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Updated vendored libs

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148
Godeps/Godeps.json сгенерированный
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@ -1,149 +1,145 @@
{
"ImportPath": "github.com/mozilla/sops",
"ImportPath": "go.mozilla.org/sops",
"GoVersion": "go1.7",
"GodepVersion": "v58",
"GodepVersion": "v74",
"Packages": [
"./..."
],
"Deps": [
{
"ImportPath": "github.com/autrilla/yaml",
"Rev": "796e49e7743194a8348a72bb32772a6b95b51126"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/awserr",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/awsutil",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/client",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/client/metadata",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/corehandlers",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/credentials",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/credentials/endpointcreds",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/credentials/stscreds",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/defaults",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/ec2metadata",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/request",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/session",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/aws/signer/v4",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/endpoints",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/json/jsonutil",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/jsonrpc",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/query",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/query/queryutil",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/rest",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/service/kms",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/service/kms/kmsiface",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/aws/aws-sdk-go/service/sts",
"Comment": "v1.3.0-1-g00e2bf9",
"Rev": "00e2bf9d1518c2b7d8a97eb05b5d2a9afd1dd34e"
"Comment": "v1.4.20-5-g8a2306a",
"Rev": "8a2306a0e7d8d4095e5f1beee530ceaee6e7d609"
},
{
"ImportPath": "github.com/davecgh/go-spew/spew",
"Comment": "v1.0.0",
"Rev": "6cf5744a041a0022271cefed95ba843f6d87fd51"
"Comment": "v1.0.0-3-g6d21280",
"Rev": "6d212800a42e8ab5c146b8ace3490ee17e5225f9"
},
{
"ImportPath": "github.com/go-ini/ini",
@ -160,8 +156,8 @@
"Rev": "bd40a432e4c76585ef6b72d3fd96fb9b6dc7b68d"
},
{
"ImportPath": "github.com/mozilla-services/yaml.v2",
"Rev": "2e2d479b8b66e65ce5a8f49afd77931628fd8f8f"
"ImportPath": "github.com/mozilla-services/yaml",
"Rev": "eaecc74be05c5d6823066298324e18e0bf04cc2d"
},
{
"ImportPath": "github.com/pmezard/go-difflib/difflib",
@ -186,30 +182,6 @@
"ImportPath": "go.mozilla.org/gopgagent",
"Rev": "da4f24003cbec8ef26fdd0761e40eab273a02832"
},
{
"ImportPath": "go.mozilla.org/sops",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "go.mozilla.org/sops/aes",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "go.mozilla.org/sops/json",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "go.mozilla.org/sops/kms",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "go.mozilla.org/sops/pgp",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "go.mozilla.org/sops/yaml",
"Rev": "09eafbcd3537287e2f3f66f641528357067e8b95"
},
{
"ImportPath": "golang.org/x/crypto/cast5",
"Rev": "e0d166c33c321d0ff863f459a5882096e334f508"
@ -242,10 +214,6 @@
"ImportPath": "golang.org/x/crypto/ssh/terminal",
"Rev": "e0d166c33c321d0ff863f459a5882096e334f508"
},
{
"ImportPath": "golang.org/x/sys/unix",
"Rev": "c200b10b5d5e122be351b67af224adc6128af5bf"
},
{
"ImportPath": "gopkg.in/urfave/cli.v1",
"Comment": "v1.18.0",

202
vendor/github.com/aws/aws-sdk-go/LICENSE.txt сгенерированный поставляемый Normal file
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@ -0,0 +1,202 @@
Apache License
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vendor/github.com/aws/aws-sdk-go/NOTICE.txt сгенерированный поставляемый Normal file
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@ -0,0 +1,3 @@
AWS SDK for Go
Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Copyright 2014-2015 Stripe, Inc.

145
vendor/github.com/aws/aws-sdk-go/aws/awserr/error.go сгенерированный поставляемый Normal file
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// Package awserr represents API error interface accessors for the SDK.
package awserr
// An Error wraps lower level errors with code, message and an original error.
// The underlying concrete error type may also satisfy other interfaces which
// can be to used to obtain more specific information about the error.
//
// Calling Error() or String() will always include the full information about
// an error based on its underlying type.
//
// Example:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if awsErr, ok := err.(awserr.Error); ok {
// // Get error details
// log.Println("Error:", awsErr.Code(), awsErr.Message())
//
// // Prints out full error message, including original error if there was one.
// log.Println("Error:", awsErr.Error())
//
// // Get original error
// if origErr := awsErr.OrigErr(); origErr != nil {
// // operate on original error.
// }
// } else {
// fmt.Println(err.Error())
// }
// }
//
type Error interface {
// Satisfy the generic error interface.
error
// Returns the short phrase depicting the classification of the error.
Code() string
// Returns the error details message.
Message() string
// Returns the original error if one was set. Nil is returned if not set.
OrigErr() error
}
// BatchError is a batch of errors which also wraps lower level errors with
// code, message, and original errors. Calling Error() will include all errors
// that occurred in the batch.
//
// Deprecated: Replaced with BatchedErrors. Only defined for backwards
// compatibility.
type BatchError interface {
// Satisfy the generic error interface.
error
// Returns the short phrase depicting the classification of the error.
Code() string
// Returns the error details message.
Message() string
// Returns the original error if one was set. Nil is returned if not set.
OrigErrs() []error
}
// BatchedErrors is a batch of errors which also wraps lower level errors with
// code, message, and original errors. Calling Error() will include all errors
// that occurred in the batch.
//
// Replaces BatchError
type BatchedErrors interface {
// Satisfy the base Error interface.
Error
// Returns the original error if one was set. Nil is returned if not set.
OrigErrs() []error
}
// New returns an Error object described by the code, message, and origErr.
//
// If origErr satisfies the Error interface it will not be wrapped within a new
// Error object and will instead be returned.
func New(code, message string, origErr error) Error {
var errs []error
if origErr != nil {
errs = append(errs, origErr)
}
return newBaseError(code, message, errs)
}
// NewBatchError returns an BatchedErrors with a collection of errors as an
// array of errors.
func NewBatchError(code, message string, errs []error) BatchedErrors {
return newBaseError(code, message, errs)
}
// A RequestFailure is an interface to extract request failure information from
// an Error such as the request ID of the failed request returned by a service.
// RequestFailures may not always have a requestID value if the request failed
// prior to reaching the service such as a connection error.
//
// Example:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if reqerr, ok := err.(RequestFailure); ok {
// log.Println("Request failed", reqerr.Code(), reqerr.Message(), reqerr.RequestID())
// } else {
// log.Println("Error:", err.Error())
// }
// }
//
// Combined with awserr.Error:
//
// output, err := s3manage.Upload(svc, input, opts)
// if err != nil {
// if awsErr, ok := err.(awserr.Error); ok {
// // Generic AWS Error with Code, Message, and original error (if any)
// fmt.Println(awsErr.Code(), awsErr.Message(), awsErr.OrigErr())
//
// if reqErr, ok := err.(awserr.RequestFailure); ok {
// // A service error occurred
// fmt.Println(reqErr.StatusCode(), reqErr.RequestID())
// }
// } else {
// fmt.Println(err.Error())
// }
// }
//
type RequestFailure interface {
Error
// The status code of the HTTP response.
StatusCode() int
// The request ID returned by the service for a request failure. This will
// be empty if no request ID is available such as the request failed due
// to a connection error.
RequestID() string
}
// NewRequestFailure returns a new request error wrapper for the given Error
// provided.
func NewRequestFailure(err Error, statusCode int, reqID string) RequestFailure {
return newRequestError(err, statusCode, reqID)
}

194
vendor/github.com/aws/aws-sdk-go/aws/awserr/types.go сгенерированный поставляемый Normal file
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package awserr
import "fmt"
// SprintError returns a string of the formatted error code.
//
// Both extra and origErr are optional. If they are included their lines
// will be added, but if they are not included their lines will be ignored.
func SprintError(code, message, extra string, origErr error) string {
msg := fmt.Sprintf("%s: %s", code, message)
if extra != "" {
msg = fmt.Sprintf("%s\n\t%s", msg, extra)
}
if origErr != nil {
msg = fmt.Sprintf("%s\ncaused by: %s", msg, origErr.Error())
}
return msg
}
// A baseError wraps the code and message which defines an error. It also
// can be used to wrap an original error object.
//
// Should be used as the root for errors satisfying the awserr.Error. Also
// for any error which does not fit into a specific error wrapper type.
type baseError struct {
// Classification of error
code string
// Detailed information about error
message string
// Optional original error this error is based off of. Allows building
// chained errors.
errs []error
}
// newBaseError returns an error object for the code, message, and errors.
//
// code is a short no whitespace phrase depicting the classification of
// the error that is being created.
//
// message is the free flow string containing detailed information about the
// error.
//
// origErrs is the error objects which will be nested under the new errors to
// be returned.
func newBaseError(code, message string, origErrs []error) *baseError {
b := &baseError{
code: code,
message: message,
errs: origErrs,
}
return b
}
// Error returns the string representation of the error.
//
// See ErrorWithExtra for formatting.
//
// Satisfies the error interface.
func (b baseError) Error() string {
size := len(b.errs)
if size > 0 {
return SprintError(b.code, b.message, "", errorList(b.errs))
}
return SprintError(b.code, b.message, "", nil)
}
// String returns the string representation of the error.
// Alias for Error to satisfy the stringer interface.
func (b baseError) String() string {
return b.Error()
}
// Code returns the short phrase depicting the classification of the error.
func (b baseError) Code() string {
return b.code
}
// Message returns the error details message.
func (b baseError) Message() string {
return b.message
}
// OrigErr returns the original error if one was set. Nil is returned if no
// error was set. This only returns the first element in the list. If the full
// list is needed, use BatchedErrors.
func (b baseError) OrigErr() error {
switch len(b.errs) {
case 0:
return nil
case 1:
return b.errs[0]
default:
if err, ok := b.errs[0].(Error); ok {
return NewBatchError(err.Code(), err.Message(), b.errs[1:])
}
return NewBatchError("BatchedErrors",
"multiple errors occurred", b.errs)
}
}
// OrigErrs returns the original errors if one was set. An empty slice is
// returned if no error was set.
func (b baseError) OrigErrs() []error {
return b.errs
}
// So that the Error interface type can be included as an anonymous field
// in the requestError struct and not conflict with the error.Error() method.
type awsError Error
// A requestError wraps a request or service error.
//
// Composed of baseError for code, message, and original error.
type requestError struct {
awsError
statusCode int
requestID string
}
// newRequestError returns a wrapped error with additional information for
// request status code, and service requestID.
//
// Should be used to wrap all request which involve service requests. Even if
// the request failed without a service response, but had an HTTP status code
// that may be meaningful.
//
// Also wraps original errors via the baseError.
func newRequestError(err Error, statusCode int, requestID string) *requestError {
return &requestError{
awsError: err,
statusCode: statusCode,
requestID: requestID,
}
}
// Error returns the string representation of the error.
// Satisfies the error interface.
func (r requestError) Error() string {
extra := fmt.Sprintf("status code: %d, request id: %s",
r.statusCode, r.requestID)
return SprintError(r.Code(), r.Message(), extra, r.OrigErr())
}
// String returns the string representation of the error.
// Alias for Error to satisfy the stringer interface.
func (r requestError) String() string {
return r.Error()
}
// StatusCode returns the wrapped status code for the error
func (r requestError) StatusCode() int {
return r.statusCode
}
// RequestID returns the wrapped requestID
func (r requestError) RequestID() string {
return r.requestID
}
// OrigErrs returns the original errors if one was set. An empty slice is
// returned if no error was set.
func (r requestError) OrigErrs() []error {
if b, ok := r.awsError.(BatchedErrors); ok {
return b.OrigErrs()
}
return []error{r.OrigErr()}
}
// An error list that satisfies the golang interface
type errorList []error
// Error returns the string representation of the error.
//
// Satisfies the error interface.
func (e errorList) Error() string {
msg := ""
// How do we want to handle the array size being zero
if size := len(e); size > 0 {
for i := 0; i < size; i++ {
msg += fmt.Sprintf("%s", e[i].Error())
// We check the next index to see if it is within the slice.
// If it is, then we append a newline. We do this, because unit tests
// could be broken with the additional '\n'
if i+1 < size {
msg += "\n"
}
}
}
return msg
}

108
vendor/github.com/aws/aws-sdk-go/aws/awsutil/copy.go сгенерированный поставляемый Normal file
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package awsutil
import (
"io"
"reflect"
"time"
)
// Copy deeply copies a src structure to dst. Useful for copying request and
// response structures.
//
// Can copy between structs of different type, but will only copy fields which
// are assignable, and exist in both structs. Fields which are not assignable,
// or do not exist in both structs are ignored.
func Copy(dst, src interface{}) {
dstval := reflect.ValueOf(dst)
if !dstval.IsValid() {
panic("Copy dst cannot be nil")
}
rcopy(dstval, reflect.ValueOf(src), true)
}
// CopyOf returns a copy of src while also allocating the memory for dst.
// src must be a pointer type or this operation will fail.
func CopyOf(src interface{}) (dst interface{}) {
dsti := reflect.New(reflect.TypeOf(src).Elem())
dst = dsti.Interface()
rcopy(dsti, reflect.ValueOf(src), true)
return
}
// rcopy performs a recursive copy of values from the source to destination.
//
// root is used to skip certain aspects of the copy which are not valid
// for the root node of a object.
func rcopy(dst, src reflect.Value, root bool) {
if !src.IsValid() {
return
}
switch src.Kind() {
case reflect.Ptr:
if _, ok := src.Interface().(io.Reader); ok {
if dst.Kind() == reflect.Ptr && dst.Elem().CanSet() {
dst.Elem().Set(src)
} else if dst.CanSet() {
dst.Set(src)
}
} else {
e := src.Type().Elem()
if dst.CanSet() && !src.IsNil() {
if _, ok := src.Interface().(*time.Time); !ok {
dst.Set(reflect.New(e))
} else {
tempValue := reflect.New(e)
tempValue.Elem().Set(src.Elem())
// Sets time.Time's unexported values
dst.Set(tempValue)
}
}
if src.Elem().IsValid() {
// Keep the current root state since the depth hasn't changed
rcopy(dst.Elem(), src.Elem(), root)
}
}
case reflect.Struct:
t := dst.Type()
for i := 0; i < t.NumField(); i++ {
name := t.Field(i).Name
srcVal := src.FieldByName(name)
dstVal := dst.FieldByName(name)
if srcVal.IsValid() && dstVal.CanSet() {
rcopy(dstVal, srcVal, false)
}
}
case reflect.Slice:
if src.IsNil() {
break
}
s := reflect.MakeSlice(src.Type(), src.Len(), src.Cap())
dst.Set(s)
for i := 0; i < src.Len(); i++ {
rcopy(dst.Index(i), src.Index(i), false)
}
case reflect.Map:
if src.IsNil() {
break
}
s := reflect.MakeMap(src.Type())
dst.Set(s)
for _, k := range src.MapKeys() {
v := src.MapIndex(k)
v2 := reflect.New(v.Type()).Elem()
rcopy(v2, v, false)
dst.SetMapIndex(k, v2)
}
default:
// Assign the value if possible. If its not assignable, the value would
// need to be converted and the impact of that may be unexpected, or is
// not compatible with the dst type.
if src.Type().AssignableTo(dst.Type()) {
dst.Set(src)
}
}
}

27
vendor/github.com/aws/aws-sdk-go/aws/awsutil/equal.go сгенерированный поставляемый Normal file
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package awsutil
import (
"reflect"
)
// DeepEqual returns if the two values are deeply equal like reflect.DeepEqual.
// In addition to this, this method will also dereference the input values if
// possible so the DeepEqual performed will not fail if one parameter is a
// pointer and the other is not.
//
// DeepEqual will not perform indirection of nested values of the input parameters.
func DeepEqual(a, b interface{}) bool {
ra := reflect.Indirect(reflect.ValueOf(a))
rb := reflect.Indirect(reflect.ValueOf(b))
if raValid, rbValid := ra.IsValid(), rb.IsValid(); !raValid && !rbValid {
// If the elements are both nil, and of the same type the are equal
// If they are of different types they are not equal
return reflect.TypeOf(a) == reflect.TypeOf(b)
} else if raValid != rbValid {
// Both values must be valid to be equal
return false
}
return reflect.DeepEqual(ra.Interface(), rb.Interface())
}

222
vendor/github.com/aws/aws-sdk-go/aws/awsutil/path_value.go сгенерированный поставляемый Normal file
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package awsutil
import (
"reflect"
"regexp"
"strconv"
"strings"
"github.com/jmespath/go-jmespath"
)
var indexRe = regexp.MustCompile(`(.+)\[(-?\d+)?\]$`)
// rValuesAtPath returns a slice of values found in value v. The values
// in v are explored recursively so all nested values are collected.
func rValuesAtPath(v interface{}, path string, createPath, caseSensitive, nilTerm bool) []reflect.Value {
pathparts := strings.Split(path, "||")
if len(pathparts) > 1 {
for _, pathpart := range pathparts {
vals := rValuesAtPath(v, pathpart, createPath, caseSensitive, nilTerm)
if len(vals) > 0 {
return vals
}
}
return nil
}
values := []reflect.Value{reflect.Indirect(reflect.ValueOf(v))}
components := strings.Split(path, ".")
for len(values) > 0 && len(components) > 0 {
var index *int64
var indexStar bool
c := strings.TrimSpace(components[0])
if c == "" { // no actual component, illegal syntax
return nil
} else if caseSensitive && c != "*" && strings.ToLower(c[0:1]) == c[0:1] {
// TODO normalize case for user
return nil // don't support unexported fields
}
// parse this component
if m := indexRe.FindStringSubmatch(c); m != nil {
c = m[1]
if m[2] == "" {
index = nil
indexStar = true
} else {
i, _ := strconv.ParseInt(m[2], 10, 32)
index = &i
indexStar = false
}
}
nextvals := []reflect.Value{}
for _, value := range values {
// pull component name out of struct member
if value.Kind() != reflect.Struct {
continue
}
if c == "*" { // pull all members
for i := 0; i < value.NumField(); i++ {
if f := reflect.Indirect(value.Field(i)); f.IsValid() {
nextvals = append(nextvals, f)
}
}
continue
}
value = value.FieldByNameFunc(func(name string) bool {
if c == name {
return true
} else if !caseSensitive && strings.ToLower(name) == strings.ToLower(c) {
return true
}
return false
})
if nilTerm && value.Kind() == reflect.Ptr && len(components[1:]) == 0 {
if !value.IsNil() {
value.Set(reflect.Zero(value.Type()))
}
return []reflect.Value{value}
}
if createPath && value.Kind() == reflect.Ptr && value.IsNil() {
// TODO if the value is the terminus it should not be created
// if the value to be set to its position is nil.
value.Set(reflect.New(value.Type().Elem()))
value = value.Elem()
} else {
value = reflect.Indirect(value)
}
if value.Kind() == reflect.Slice || value.Kind() == reflect.Map {
if !createPath && value.IsNil() {
value = reflect.ValueOf(nil)
}
}
if value.IsValid() {
nextvals = append(nextvals, value)
}
}
values = nextvals
if indexStar || index != nil {
nextvals = []reflect.Value{}
for _, valItem := range values {
value := reflect.Indirect(valItem)
if value.Kind() != reflect.Slice {
continue
}
if indexStar { // grab all indices
for i := 0; i < value.Len(); i++ {
idx := reflect.Indirect(value.Index(i))
if idx.IsValid() {
nextvals = append(nextvals, idx)
}
}
continue
}
// pull out index
i := int(*index)
if i >= value.Len() { // check out of bounds
if createPath {
// TODO resize slice
} else {
continue
}
} else if i < 0 { // support negative indexing
i = value.Len() + i
}
value = reflect.Indirect(value.Index(i))
if value.Kind() == reflect.Slice || value.Kind() == reflect.Map {
if !createPath && value.IsNil() {
value = reflect.ValueOf(nil)
}
}
if value.IsValid() {
nextvals = append(nextvals, value)
}
}
values = nextvals
}
components = components[1:]
}
return values
}
// ValuesAtPath returns a list of values at the case insensitive lexical
// path inside of a structure.
func ValuesAtPath(i interface{}, path string) ([]interface{}, error) {
result, err := jmespath.Search(path, i)
if err != nil {
return nil, err
}
v := reflect.ValueOf(result)
if !v.IsValid() || (v.Kind() == reflect.Ptr && v.IsNil()) {
return nil, nil
}
if s, ok := result.([]interface{}); ok {
return s, err
}
if v.Kind() == reflect.Map && v.Len() == 0 {
return nil, nil
}
if v.Kind() == reflect.Slice {
out := make([]interface{}, v.Len())
for i := 0; i < v.Len(); i++ {
out[i] = v.Index(i).Interface()
}
return out, nil
}
return []interface{}{result}, nil
}
// SetValueAtPath sets a value at the case insensitive lexical path inside
// of a structure.
func SetValueAtPath(i interface{}, path string, v interface{}) {
if rvals := rValuesAtPath(i, path, true, false, v == nil); rvals != nil {
for _, rval := range rvals {
if rval.Kind() == reflect.Ptr && rval.IsNil() {
continue
}
setValue(rval, v)
}
}
}
func setValue(dstVal reflect.Value, src interface{}) {
if dstVal.Kind() == reflect.Ptr {
dstVal = reflect.Indirect(dstVal)
}
srcVal := reflect.ValueOf(src)
if !srcVal.IsValid() { // src is literal nil
if dstVal.CanAddr() {
// Convert to pointer so that pointer's value can be nil'ed
// dstVal = dstVal.Addr()
}
dstVal.Set(reflect.Zero(dstVal.Type()))
} else if srcVal.Kind() == reflect.Ptr {
if srcVal.IsNil() {
srcVal = reflect.Zero(dstVal.Type())
} else {
srcVal = reflect.ValueOf(src).Elem()
}
dstVal.Set(srcVal)
} else {
dstVal.Set(srcVal)
}
}

107
vendor/github.com/aws/aws-sdk-go/aws/awsutil/prettify.go сгенерированный поставляемый Normal file
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package awsutil
import (
"bytes"
"fmt"
"io"
"reflect"
"strings"
)
// Prettify returns the string representation of a value.
func Prettify(i interface{}) string {
var buf bytes.Buffer
prettify(reflect.ValueOf(i), 0, &buf)
return buf.String()
}
// prettify will recursively walk value v to build a textual
// representation of the value.
func prettify(v reflect.Value, indent int, buf *bytes.Buffer) {
for v.Kind() == reflect.Ptr {
v = v.Elem()
}
switch v.Kind() {
case reflect.Struct:
strtype := v.Type().String()
if strtype == "time.Time" {
fmt.Fprintf(buf, "%s", v.Interface())
break
} else if strings.HasPrefix(strtype, "io.") {
buf.WriteString("<buffer>")
break
}
buf.WriteString("{\n")
names := []string{}
for i := 0; i < v.Type().NumField(); i++ {
name := v.Type().Field(i).Name
f := v.Field(i)
if name[0:1] == strings.ToLower(name[0:1]) {
continue // ignore unexported fields
}
if (f.Kind() == reflect.Ptr || f.Kind() == reflect.Slice || f.Kind() == reflect.Map) && f.IsNil() {
continue // ignore unset fields
}
names = append(names, name)
}
for i, n := range names {
val := v.FieldByName(n)
buf.WriteString(strings.Repeat(" ", indent+2))
buf.WriteString(n + ": ")
prettify(val, indent+2, buf)
if i < len(names)-1 {
buf.WriteString(",\n")
}
}
buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
case reflect.Slice:
nl, id, id2 := "", "", ""
if v.Len() > 3 {
nl, id, id2 = "\n", strings.Repeat(" ", indent), strings.Repeat(" ", indent+2)
}
buf.WriteString("[" + nl)
for i := 0; i < v.Len(); i++ {
buf.WriteString(id2)
prettify(v.Index(i), indent+2, buf)
if i < v.Len()-1 {
buf.WriteString("," + nl)
}
}
buf.WriteString(nl + id + "]")
case reflect.Map:
buf.WriteString("{\n")
for i, k := range v.MapKeys() {
buf.WriteString(strings.Repeat(" ", indent+2))
buf.WriteString(k.String() + ": ")
prettify(v.MapIndex(k), indent+2, buf)
if i < v.Len()-1 {
buf.WriteString(",\n")
}
}
buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
default:
if !v.IsValid() {
fmt.Fprint(buf, "<invalid value>")
return
}
format := "%v"
switch v.Interface().(type) {
case string:
format = "%q"
case io.ReadSeeker, io.Reader:
format = "buffer(%p)"
}
fmt.Fprintf(buf, format, v.Interface())
}
}

89
vendor/github.com/aws/aws-sdk-go/aws/awsutil/string_value.go сгенерированный поставляемый Normal file
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@ -0,0 +1,89 @@
package awsutil
import (
"bytes"
"fmt"
"reflect"
"strings"
)
// StringValue returns the string representation of a value.
func StringValue(i interface{}) string {
var buf bytes.Buffer
stringValue(reflect.ValueOf(i), 0, &buf)
return buf.String()
}
func stringValue(v reflect.Value, indent int, buf *bytes.Buffer) {
for v.Kind() == reflect.Ptr {
v = v.Elem()
}
switch v.Kind() {
case reflect.Struct:
buf.WriteString("{\n")
names := []string{}
for i := 0; i < v.Type().NumField(); i++ {
name := v.Type().Field(i).Name
f := v.Field(i)
if name[0:1] == strings.ToLower(name[0:1]) {
continue // ignore unexported fields
}
if (f.Kind() == reflect.Ptr || f.Kind() == reflect.Slice) && f.IsNil() {
continue // ignore unset fields
}
names = append(names, name)
}
for i, n := range names {
val := v.FieldByName(n)
buf.WriteString(strings.Repeat(" ", indent+2))
buf.WriteString(n + ": ")
stringValue(val, indent+2, buf)
if i < len(names)-1 {
buf.WriteString(",\n")
}
}
buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
case reflect.Slice:
nl, id, id2 := "", "", ""
if v.Len() > 3 {
nl, id, id2 = "\n", strings.Repeat(" ", indent), strings.Repeat(" ", indent+2)
}
buf.WriteString("[" + nl)
for i := 0; i < v.Len(); i++ {
buf.WriteString(id2)
stringValue(v.Index(i), indent+2, buf)
if i < v.Len()-1 {
buf.WriteString("," + nl)
}
}
buf.WriteString(nl + id + "]")
case reflect.Map:
buf.WriteString("{\n")
for i, k := range v.MapKeys() {
buf.WriteString(strings.Repeat(" ", indent+2))
buf.WriteString(k.String() + ": ")
stringValue(v.MapIndex(k), indent+2, buf)
if i < v.Len()-1 {
buf.WriteString(",\n")
}
}
buf.WriteString("\n" + strings.Repeat(" ", indent) + "}")
default:
format := "%v"
switch v.Interface().(type) {
case string:
format = "%q"
}
fmt.Fprintf(buf, format, v.Interface())
}
}

137
vendor/github.com/aws/aws-sdk-go/aws/client/client.go сгенерированный поставляемый Normal file
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package client
import (
"fmt"
"net/http/httputil"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client/metadata"
"github.com/aws/aws-sdk-go/aws/request"
)
// A Config provides configuration to a service client instance.
type Config struct {
Config *aws.Config
Handlers request.Handlers
Endpoint, SigningRegion string
}
// ConfigProvider provides a generic way for a service client to receive
// the ClientConfig without circular dependencies.
type ConfigProvider interface {
ClientConfig(serviceName string, cfgs ...*aws.Config) Config
}
// A Client implements the base client request and response handling
// used by all service clients.
type Client struct {
request.Retryer
metadata.ClientInfo
Config aws.Config
Handlers request.Handlers
}
// New will return a pointer to a new initialized service client.
func New(cfg aws.Config, info metadata.ClientInfo, handlers request.Handlers, options ...func(*Client)) *Client {
svc := &Client{
Config: cfg,
ClientInfo: info,
Handlers: handlers,
}
switch retryer, ok := cfg.Retryer.(request.Retryer); {
case ok:
svc.Retryer = retryer
case cfg.Retryer != nil && cfg.Logger != nil:
s := fmt.Sprintf("WARNING: %T does not implement request.Retryer; using DefaultRetryer instead", cfg.Retryer)
cfg.Logger.Log(s)
fallthrough
default:
maxRetries := aws.IntValue(cfg.MaxRetries)
if cfg.MaxRetries == nil || maxRetries == aws.UseServiceDefaultRetries {
maxRetries = 3
}
svc.Retryer = DefaultRetryer{NumMaxRetries: maxRetries}
}
svc.AddDebugHandlers()
for _, option := range options {
option(svc)
}
return svc
}
// NewRequest returns a new Request pointer for the service API
// operation and parameters.
func (c *Client) NewRequest(operation *request.Operation, params interface{}, data interface{}) *request.Request {
return request.New(c.Config, c.ClientInfo, c.Handlers, c.Retryer, operation, params, data)
}
// AddDebugHandlers injects debug logging handlers into the service to log request
// debug information.
func (c *Client) AddDebugHandlers() {
if !c.Config.LogLevel.AtLeast(aws.LogDebug) {
return
}
c.Handlers.Send.PushFront(logRequest)
c.Handlers.Send.PushBack(logResponse)
}
const logReqMsg = `DEBUG: Request %s/%s Details:
---[ REQUEST POST-SIGN ]-----------------------------
%s
-----------------------------------------------------`
const logReqErrMsg = `DEBUG ERROR: Request %s/%s:
---[ REQUEST DUMP ERROR ]-----------------------------
%s
-----------------------------------------------------`
func logRequest(r *request.Request) {
logBody := r.Config.LogLevel.Matches(aws.LogDebugWithHTTPBody)
dumpedBody, err := httputil.DumpRequestOut(r.HTTPRequest, logBody)
if err != nil {
r.Config.Logger.Log(fmt.Sprintf(logReqErrMsg, r.ClientInfo.ServiceName, r.Operation.Name, err))
return
}
if logBody {
// Reset the request body because dumpRequest will re-wrap the r.HTTPRequest's
// Body as a NoOpCloser and will not be reset after read by the HTTP
// client reader.
r.ResetBody()
}
r.Config.Logger.Log(fmt.Sprintf(logReqMsg, r.ClientInfo.ServiceName, r.Operation.Name, string(dumpedBody)))
}
const logRespMsg = `DEBUG: Response %s/%s Details:
---[ RESPONSE ]--------------------------------------
%s
-----------------------------------------------------`
const logRespErrMsg = `DEBUG ERROR: Response %s/%s:
---[ RESPONSE DUMP ERROR ]-----------------------------
%s
-----------------------------------------------------`
func logResponse(r *request.Request) {
var msg = "no response data"
if r.HTTPResponse != nil {
logBody := r.Config.LogLevel.Matches(aws.LogDebugWithHTTPBody)
dumpedBody, err := httputil.DumpResponse(r.HTTPResponse, logBody)
if err != nil {
r.Config.Logger.Log(fmt.Sprintf(logRespErrMsg, r.ClientInfo.ServiceName, r.Operation.Name, err))
return
}
msg = string(dumpedBody)
} else if r.Error != nil {
msg = r.Error.Error()
}
r.Config.Logger.Log(fmt.Sprintf(logRespMsg, r.ClientInfo.ServiceName, r.Operation.Name, msg))
}

90
vendor/github.com/aws/aws-sdk-go/aws/client/default_retryer.go сгенерированный поставляемый Normal file
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@ -0,0 +1,90 @@
package client
import (
"math/rand"
"sync"
"time"
"github.com/aws/aws-sdk-go/aws/request"
)
// DefaultRetryer implements basic retry logic using exponential backoff for
// most services. If you want to implement custom retry logic, implement the
// request.Retryer interface or create a structure type that composes this
// struct and override the specific methods. For example, to override only
// the MaxRetries method:
//
// type retryer struct {
// service.DefaultRetryer
// }
//
// // This implementation always has 100 max retries
// func (d retryer) MaxRetries() uint { return 100 }
type DefaultRetryer struct {
NumMaxRetries int
}
// MaxRetries returns the number of maximum returns the service will use to make
// an individual API request.
func (d DefaultRetryer) MaxRetries() int {
return d.NumMaxRetries
}
var seededRand = rand.New(&lockedSource{src: rand.NewSource(time.Now().UnixNano())})
// RetryRules returns the delay duration before retrying this request again
func (d DefaultRetryer) RetryRules(r *request.Request) time.Duration {
// Set the upper limit of delay in retrying at ~five minutes
minTime := 30
throttle := d.shouldThrottle(r)
if throttle {
minTime = 500
}
retryCount := r.RetryCount
if retryCount > 13 {
retryCount = 13
} else if throttle && retryCount > 8 {
retryCount = 8
}
delay := (1 << uint(retryCount)) * (seededRand.Intn(minTime) + minTime)
return time.Duration(delay) * time.Millisecond
}
// ShouldRetry returns true if the request should be retried.
func (d DefaultRetryer) ShouldRetry(r *request.Request) bool {
if r.HTTPResponse.StatusCode >= 500 {
return true
}
return r.IsErrorRetryable() || d.shouldThrottle(r)
}
// ShouldThrottle returns true if the request should be throttled.
func (d DefaultRetryer) shouldThrottle(r *request.Request) bool {
if r.HTTPResponse.StatusCode == 502 ||
r.HTTPResponse.StatusCode == 503 ||
r.HTTPResponse.StatusCode == 504 {
return true
}
return r.IsErrorThrottle()
}
// lockedSource is a thread-safe implementation of rand.Source
type lockedSource struct {
lk sync.Mutex
src rand.Source
}
func (r *lockedSource) Int63() (n int64) {
r.lk.Lock()
n = r.src.Int63()
r.lk.Unlock()
return
}
func (r *lockedSource) Seed(seed int64) {
r.lk.Lock()
r.src.Seed(seed)
r.lk.Unlock()
}

12
vendor/github.com/aws/aws-sdk-go/aws/client/metadata/client_info.go сгенерированный поставляемый Normal file
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@ -0,0 +1,12 @@
package metadata
// ClientInfo wraps immutable data from the client.Client structure.
type ClientInfo struct {
ServiceName string
APIVersion string
Endpoint string
SigningName string
SigningRegion string
JSONVersion string
TargetPrefix string
}

419
vendor/github.com/aws/aws-sdk-go/aws/config.go сгенерированный поставляемый Normal file
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@ -0,0 +1,419 @@
package aws
import (
"net/http"
"time"
"github.com/aws/aws-sdk-go/aws/credentials"
)
// UseServiceDefaultRetries instructs the config to use the service's own
// default number of retries. This will be the default action if
// Config.MaxRetries is nil also.
const UseServiceDefaultRetries = -1
// RequestRetryer is an alias for a type that implements the request.Retryer
// interface.
type RequestRetryer interface{}
// A Config provides service configuration for service clients. By default,
// all clients will use the defaults.DefaultConfig tructure.
//
// // Create Session with MaxRetry configuration to be shared by multiple
// // service clients.
// sess, err := session.NewSession(&aws.Config{
// MaxRetries: aws.Int(3),
// })
//
// // Create S3 service client with a specific Region.
// svc := s3.New(sess, &aws.Config{
// Region: aws.String("us-west-2"),
// })
type Config struct {
// Enables verbose error printing of all credential chain errors.
// Should be used when wanting to see all errors while attempting to
// retrieve credentials.
CredentialsChainVerboseErrors *bool
// The credentials object to use when signing requests. Defaults to a
// chain of credential providers to search for credentials in environment
// variables, shared credential file, and EC2 Instance Roles.
Credentials *credentials.Credentials
// An optional endpoint URL (hostname only or fully qualified URI)
// that overrides the default generated endpoint for a client. Set this
// to `""` to use the default generated endpoint.
//
// @note You must still provide a `Region` value when specifying an
// endpoint for a client.
Endpoint *string
// The region to send requests to. This parameter is required and must
// be configured globally or on a per-client basis unless otherwise
// noted. A full list of regions is found in the "Regions and Endpoints"
// document.
//
// @see http://docs.aws.amazon.com/general/latest/gr/rande.html
// AWS Regions and Endpoints
Region *string
// Set this to `true` to disable SSL when sending requests. Defaults
// to `false`.
DisableSSL *bool
// The HTTP client to use when sending requests. Defaults to
// `http.DefaultClient`.
HTTPClient *http.Client
// An integer value representing the logging level. The default log level
// is zero (LogOff), which represents no logging. To enable logging set
// to a LogLevel Value.
LogLevel *LogLevelType
// The logger writer interface to write logging messages to. Defaults to
// standard out.
Logger Logger
// The maximum number of times that a request will be retried for failures.
// Defaults to -1, which defers the max retry setting to the service
// specific configuration.
MaxRetries *int
// Retryer guides how HTTP requests should be retried in case of
// recoverable failures.
//
// When nil or the value does not implement the request.Retryer interface,
// the request.DefaultRetryer will be used.
//
// When both Retryer and MaxRetries are non-nil, the former is used and
// the latter ignored.
//
// To set the Retryer field in a type-safe manner and with chaining, use
// the request.WithRetryer helper function:
//
// cfg := request.WithRetryer(aws.NewConfig(), myRetryer)
//
Retryer RequestRetryer
// Disables semantic parameter validation, which validates input for
// missing required fields and/or other semantic request input errors.
DisableParamValidation *bool
// Disables the computation of request and response checksums, e.g.,
// CRC32 checksums in Amazon DynamoDB.
DisableComputeChecksums *bool
// Set this to `true` to force the request to use path-style addressing,
// i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client
// will use virtual hosted bucket addressing when possible
// (`http://BUCKET.s3.amazonaws.com/KEY`).
//
// @note This configuration option is specific to the Amazon S3 service.
// @see http://docs.aws.amazon.com/AmazonS3/latest/dev/VirtualHosting.html
// Amazon S3: Virtual Hosting of Buckets
S3ForcePathStyle *bool
// Set this to `true` to disable the SDK adding the `Expect: 100-Continue`
// header to PUT requests over 2MB of content. 100-Continue instructs the
// HTTP client not to send the body until the service responds with a
// `continue` status. This is useful to prevent sending the request body
// until after the request is authenticated, and validated.
//
// http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html
//
// 100-Continue is only enabled for Go 1.6 and above. See `http.Transport`'s
// `ExpectContinueTimeout` for information on adjusting the continue wait
// timeout. https://golang.org/pkg/net/http/#Transport
//
// You should use this flag to disble 100-Continue if you experience issues
// with proxies or third party S3 compatible services.
S3Disable100Continue *bool
// Set this to `true` to enable S3 Accelerate feature. For all operations
// compatible with S3 Accelerate will use the accelerate endpoint for
// requests. Requests not compatible will fall back to normal S3 requests.
//
// The bucket must be enable for accelerate to be used with S3 client with
// accelerate enabled. If the bucket is not enabled for accelerate an error
// will be returned. The bucket name must be DNS compatible to also work
// with accelerate.
S3UseAccelerate *bool
// Set this to `true` to disable the EC2Metadata client from overriding the
// default http.Client's Timeout. This is helpful if you do not want the
// EC2Metadata client to create a new http.Client. This options is only
// meaningful if you're not already using a custom HTTP client with the
// SDK. Enabled by default.
//
// Must be set and provided to the session.NewSession() in order to disable
// the EC2Metadata overriding the timeout for default credentials chain.
//
// Example:
// sess, err := session.NewSession(aws.NewConfig().WithEC2MetadataDiableTimeoutOverride(true))
//
// svc := s3.New(sess)
//
EC2MetadataDisableTimeoutOverride *bool
// Instructs the endpiont to be generated for a service client to
// be the dual stack endpoint. The dual stack endpoint will support
// both IPv4 and IPv6 addressing.
//
// Setting this for a service which does not support dual stack will fail
// to make requets. It is not recommended to set this value on the session
// as it will apply to all service clients created with the session. Even
// services which don't support dual stack endpoints.
//
// If the Endpoint config value is also provided the UseDualStack flag
// will be ignored.
//
// Only supported with.
//
// sess, err := session.NewSession()
//
// svc := s3.New(sess, &aws.Config{
// UseDualStack: aws.Bool(true),
// })
UseDualStack *bool
// SleepDelay is an override for the func the SDK will call when sleeping
// during the lifecycle of a request. Specifically this will be used for
// request delays. This value should only be used for testing. To adjust
// the delay of a request see the aws/client.DefaultRetryer and
// aws/request.Retryer.
SleepDelay func(time.Duration)
}
// NewConfig returns a new Config pointer that can be chained with builder
// methods to set multiple configuration values inline without using pointers.
//
// // Create Session with MaxRetry configuration to be shared by multiple
// // service clients.
// sess, err := session.NewSession(aws.NewConfig().
// WithMaxRetries(3),
// )
//
// // Create S3 service client with a specific Region.
// svc := s3.New(sess, aws.NewConfig().
// WithRegion("us-west-2"),
// )
func NewConfig() *Config {
return &Config{}
}
// WithCredentialsChainVerboseErrors sets a config verbose errors boolean and returning
// a Config pointer.
func (c *Config) WithCredentialsChainVerboseErrors(verboseErrs bool) *Config {
c.CredentialsChainVerboseErrors = &verboseErrs
return c
}
// WithCredentials sets a config Credentials value returning a Config pointer
// for chaining.
func (c *Config) WithCredentials(creds *credentials.Credentials) *Config {
c.Credentials = creds
return c
}
// WithEndpoint sets a config Endpoint value returning a Config pointer for
// chaining.
func (c *Config) WithEndpoint(endpoint string) *Config {
c.Endpoint = &endpoint
return c
}
// WithRegion sets a config Region value returning a Config pointer for
// chaining.
func (c *Config) WithRegion(region string) *Config {
c.Region = &region
return c
}
// WithDisableSSL sets a config DisableSSL value returning a Config pointer
// for chaining.
func (c *Config) WithDisableSSL(disable bool) *Config {
c.DisableSSL = &disable
return c
}
// WithHTTPClient sets a config HTTPClient value returning a Config pointer
// for chaining.
func (c *Config) WithHTTPClient(client *http.Client) *Config {
c.HTTPClient = client
return c
}
// WithMaxRetries sets a config MaxRetries value returning a Config pointer
// for chaining.
func (c *Config) WithMaxRetries(max int) *Config {
c.MaxRetries = &max
return c
}
// WithDisableParamValidation sets a config DisableParamValidation value
// returning a Config pointer for chaining.
func (c *Config) WithDisableParamValidation(disable bool) *Config {
c.DisableParamValidation = &disable
return c
}
// WithDisableComputeChecksums sets a config DisableComputeChecksums value
// returning a Config pointer for chaining.
func (c *Config) WithDisableComputeChecksums(disable bool) *Config {
c.DisableComputeChecksums = &disable
return c
}
// WithLogLevel sets a config LogLevel value returning a Config pointer for
// chaining.
func (c *Config) WithLogLevel(level LogLevelType) *Config {
c.LogLevel = &level
return c
}
// WithLogger sets a config Logger value returning a Config pointer for
// chaining.
func (c *Config) WithLogger(logger Logger) *Config {
c.Logger = logger
return c
}
// WithS3ForcePathStyle sets a config S3ForcePathStyle value returning a Config
// pointer for chaining.
func (c *Config) WithS3ForcePathStyle(force bool) *Config {
c.S3ForcePathStyle = &force
return c
}
// WithS3Disable100Continue sets a config S3Disable100Continue value returning
// a Config pointer for chaining.
func (c *Config) WithS3Disable100Continue(disable bool) *Config {
c.S3Disable100Continue = &disable
return c
}
// WithS3UseAccelerate sets a config S3UseAccelerate value returning a Config
// pointer for chaining.
func (c *Config) WithS3UseAccelerate(enable bool) *Config {
c.S3UseAccelerate = &enable
return c
}
// WithUseDualStack sets a config UseDualStack value returning a Config
// pointer for chaining.
func (c *Config) WithUseDualStack(enable bool) *Config {
c.UseDualStack = &enable
return c
}
// WithEC2MetadataDisableTimeoutOverride sets a config EC2MetadataDisableTimeoutOverride value
// returning a Config pointer for chaining.
func (c *Config) WithEC2MetadataDisableTimeoutOverride(enable bool) *Config {
c.EC2MetadataDisableTimeoutOverride = &enable
return c
}
// WithSleepDelay overrides the function used to sleep while waiting for the
// next retry. Defaults to time.Sleep.
func (c *Config) WithSleepDelay(fn func(time.Duration)) *Config {
c.SleepDelay = fn
return c
}
// MergeIn merges the passed in configs into the existing config object.
func (c *Config) MergeIn(cfgs ...*Config) {
for _, other := range cfgs {
mergeInConfig(c, other)
}
}
func mergeInConfig(dst *Config, other *Config) {
if other == nil {
return
}
if other.CredentialsChainVerboseErrors != nil {
dst.CredentialsChainVerboseErrors = other.CredentialsChainVerboseErrors
}
if other.Credentials != nil {
dst.Credentials = other.Credentials
}
if other.Endpoint != nil {
dst.Endpoint = other.Endpoint
}
if other.Region != nil {
dst.Region = other.Region
}
if other.DisableSSL != nil {
dst.DisableSSL = other.DisableSSL
}
if other.HTTPClient != nil {
dst.HTTPClient = other.HTTPClient
}
if other.LogLevel != nil {
dst.LogLevel = other.LogLevel
}
if other.Logger != nil {
dst.Logger = other.Logger
}
if other.MaxRetries != nil {
dst.MaxRetries = other.MaxRetries
}
if other.Retryer != nil {
dst.Retryer = other.Retryer
}
if other.DisableParamValidation != nil {
dst.DisableParamValidation = other.DisableParamValidation
}
if other.DisableComputeChecksums != nil {
dst.DisableComputeChecksums = other.DisableComputeChecksums
}
if other.S3ForcePathStyle != nil {
dst.S3ForcePathStyle = other.S3ForcePathStyle
}
if other.S3Disable100Continue != nil {
dst.S3Disable100Continue = other.S3Disable100Continue
}
if other.S3UseAccelerate != nil {
dst.S3UseAccelerate = other.S3UseAccelerate
}
if other.UseDualStack != nil {
dst.UseDualStack = other.UseDualStack
}
if other.EC2MetadataDisableTimeoutOverride != nil {
dst.EC2MetadataDisableTimeoutOverride = other.EC2MetadataDisableTimeoutOverride
}
if other.SleepDelay != nil {
dst.SleepDelay = other.SleepDelay
}
}
// Copy will return a shallow copy of the Config object. If any additional
// configurations are provided they will be merged into the new config returned.
func (c *Config) Copy(cfgs ...*Config) *Config {
dst := &Config{}
dst.MergeIn(c)
for _, cfg := range cfgs {
dst.MergeIn(cfg)
}
return dst
}

369
vendor/github.com/aws/aws-sdk-go/aws/convert_types.go сгенерированный поставляемый Normal file
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@ -0,0 +1,369 @@
package aws
import "time"
// String returns a pointer to the string value passed in.
func String(v string) *string {
return &v
}
// StringValue returns the value of the string pointer passed in or
// "" if the pointer is nil.
func StringValue(v *string) string {
if v != nil {
return *v
}
return ""
}
// StringSlice converts a slice of string values into a slice of
// string pointers
func StringSlice(src []string) []*string {
dst := make([]*string, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// StringValueSlice converts a slice of string pointers into a slice of
// string values
func StringValueSlice(src []*string) []string {
dst := make([]string, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// StringMap converts a string map of string values into a string
// map of string pointers
func StringMap(src map[string]string) map[string]*string {
dst := make(map[string]*string)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// StringValueMap converts a string map of string pointers into a string
// map of string values
func StringValueMap(src map[string]*string) map[string]string {
dst := make(map[string]string)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}
// Bool returns a pointer to the bool value passed in.
func Bool(v bool) *bool {
return &v
}
// BoolValue returns the value of the bool pointer passed in or
// false if the pointer is nil.
func BoolValue(v *bool) bool {
if v != nil {
return *v
}
return false
}
// BoolSlice converts a slice of bool values into a slice of
// bool pointers
func BoolSlice(src []bool) []*bool {
dst := make([]*bool, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// BoolValueSlice converts a slice of bool pointers into a slice of
// bool values
func BoolValueSlice(src []*bool) []bool {
dst := make([]bool, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// BoolMap converts a string map of bool values into a string
// map of bool pointers
func BoolMap(src map[string]bool) map[string]*bool {
dst := make(map[string]*bool)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// BoolValueMap converts a string map of bool pointers into a string
// map of bool values
func BoolValueMap(src map[string]*bool) map[string]bool {
dst := make(map[string]bool)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}
// Int returns a pointer to the int value passed in.
func Int(v int) *int {
return &v
}
// IntValue returns the value of the int pointer passed in or
// 0 if the pointer is nil.
func IntValue(v *int) int {
if v != nil {
return *v
}
return 0
}
// IntSlice converts a slice of int values into a slice of
// int pointers
func IntSlice(src []int) []*int {
dst := make([]*int, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// IntValueSlice converts a slice of int pointers into a slice of
// int values
func IntValueSlice(src []*int) []int {
dst := make([]int, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// IntMap converts a string map of int values into a string
// map of int pointers
func IntMap(src map[string]int) map[string]*int {
dst := make(map[string]*int)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// IntValueMap converts a string map of int pointers into a string
// map of int values
func IntValueMap(src map[string]*int) map[string]int {
dst := make(map[string]int)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}
// Int64 returns a pointer to the int64 value passed in.
func Int64(v int64) *int64 {
return &v
}
// Int64Value returns the value of the int64 pointer passed in or
// 0 if the pointer is nil.
func Int64Value(v *int64) int64 {
if v != nil {
return *v
}
return 0
}
// Int64Slice converts a slice of int64 values into a slice of
// int64 pointers
func Int64Slice(src []int64) []*int64 {
dst := make([]*int64, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// Int64ValueSlice converts a slice of int64 pointers into a slice of
// int64 values
func Int64ValueSlice(src []*int64) []int64 {
dst := make([]int64, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// Int64Map converts a string map of int64 values into a string
// map of int64 pointers
func Int64Map(src map[string]int64) map[string]*int64 {
dst := make(map[string]*int64)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// Int64ValueMap converts a string map of int64 pointers into a string
// map of int64 values
func Int64ValueMap(src map[string]*int64) map[string]int64 {
dst := make(map[string]int64)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}
// Float64 returns a pointer to the float64 value passed in.
func Float64(v float64) *float64 {
return &v
}
// Float64Value returns the value of the float64 pointer passed in or
// 0 if the pointer is nil.
func Float64Value(v *float64) float64 {
if v != nil {
return *v
}
return 0
}
// Float64Slice converts a slice of float64 values into a slice of
// float64 pointers
func Float64Slice(src []float64) []*float64 {
dst := make([]*float64, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// Float64ValueSlice converts a slice of float64 pointers into a slice of
// float64 values
func Float64ValueSlice(src []*float64) []float64 {
dst := make([]float64, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// Float64Map converts a string map of float64 values into a string
// map of float64 pointers
func Float64Map(src map[string]float64) map[string]*float64 {
dst := make(map[string]*float64)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// Float64ValueMap converts a string map of float64 pointers into a string
// map of float64 values
func Float64ValueMap(src map[string]*float64) map[string]float64 {
dst := make(map[string]float64)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}
// Time returns a pointer to the time.Time value passed in.
func Time(v time.Time) *time.Time {
return &v
}
// TimeValue returns the value of the time.Time pointer passed in or
// time.Time{} if the pointer is nil.
func TimeValue(v *time.Time) time.Time {
if v != nil {
return *v
}
return time.Time{}
}
// TimeUnixMilli returns a Unix timestamp in milliseconds from "January 1, 1970 UTC".
// The result is undefined if the Unix time cannot be represented by an int64.
// Which includes calling TimeUnixMilli on a zero Time is undefined.
//
// This utility is useful for service API's such as CloudWatch Logs which require
// their unix time values to be in milliseconds.
//
// See Go stdlib https://golang.org/pkg/time/#Time.UnixNano for more information.
func TimeUnixMilli(t time.Time) int64 {
return t.UnixNano() / int64(time.Millisecond/time.Nanosecond)
}
// TimeSlice converts a slice of time.Time values into a slice of
// time.Time pointers
func TimeSlice(src []time.Time) []*time.Time {
dst := make([]*time.Time, len(src))
for i := 0; i < len(src); i++ {
dst[i] = &(src[i])
}
return dst
}
// TimeValueSlice converts a slice of time.Time pointers into a slice of
// time.Time values
func TimeValueSlice(src []*time.Time) []time.Time {
dst := make([]time.Time, len(src))
for i := 0; i < len(src); i++ {
if src[i] != nil {
dst[i] = *(src[i])
}
}
return dst
}
// TimeMap converts a string map of time.Time values into a string
// map of time.Time pointers
func TimeMap(src map[string]time.Time) map[string]*time.Time {
dst := make(map[string]*time.Time)
for k, val := range src {
v := val
dst[k] = &v
}
return dst
}
// TimeValueMap converts a string map of time.Time pointers into a string
// map of time.Time values
func TimeValueMap(src map[string]*time.Time) map[string]time.Time {
dst := make(map[string]time.Time)
for k, val := range src {
if val != nil {
dst[k] = *val
}
}
return dst
}

182
vendor/github.com/aws/aws-sdk-go/aws/corehandlers/handlers.go сгенерированный поставляемый Normal file
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package corehandlers
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"regexp"
"runtime"
"strconv"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/request"
)
// Interface for matching types which also have a Len method.
type lener interface {
Len() int
}
// BuildContentLengthHandler builds the content length of a request based on the body,
// or will use the HTTPRequest.Header's "Content-Length" if defined. If unable
// to determine request body length and no "Content-Length" was specified it will panic.
//
// The Content-Length will only be aded to the request if the length of the body
// is greater than 0. If the body is empty or the current `Content-Length`
// header is <= 0, the header will also be stripped.
var BuildContentLengthHandler = request.NamedHandler{Name: "core.BuildContentLengthHandler", Fn: func(r *request.Request) {
var length int64
if slength := r.HTTPRequest.Header.Get("Content-Length"); slength != "" {
length, _ = strconv.ParseInt(slength, 10, 64)
} else {
switch body := r.Body.(type) {
case nil:
length = 0
case lener:
length = int64(body.Len())
case io.Seeker:
r.BodyStart, _ = body.Seek(0, 1)
end, _ := body.Seek(0, 2)
body.Seek(r.BodyStart, 0) // make sure to seek back to original location
length = end - r.BodyStart
default:
panic("Cannot get length of body, must provide `ContentLength`")
}
}
if length > 0 {
r.HTTPRequest.ContentLength = length
r.HTTPRequest.Header.Set("Content-Length", fmt.Sprintf("%d", length))
} else {
r.HTTPRequest.ContentLength = 0
r.HTTPRequest.Header.Del("Content-Length")
}
}}
// SDKVersionUserAgentHandler is a request handler for adding the SDK Version to the user agent.
var SDKVersionUserAgentHandler = request.NamedHandler{
Name: "core.SDKVersionUserAgentHandler",
Fn: request.MakeAddToUserAgentHandler(aws.SDKName, aws.SDKVersion,
runtime.Version(), runtime.GOOS, runtime.GOARCH),
}
var reStatusCode = regexp.MustCompile(`^(\d{3})`)
// ValidateReqSigHandler is a request handler to ensure that the request's
// signature doesn't expire before it is sent. This can happen when a request
// is built and signed signficantly before it is sent. Or signficant delays
// occur whne retrying requests that would cause the signature to expire.
var ValidateReqSigHandler = request.NamedHandler{
Name: "core.ValidateReqSigHandler",
Fn: func(r *request.Request) {
// Unsigned requests are not signed
if r.Config.Credentials == credentials.AnonymousCredentials {
return
}
signedTime := r.Time
if !r.LastSignedAt.IsZero() {
signedTime = r.LastSignedAt
}
// 10 minutes to allow for some clock skew/delays in transmission.
// Would be improved with aws/aws-sdk-go#423
if signedTime.Add(10 * time.Minute).After(time.Now()) {
return
}
fmt.Println("request expired, resigning")
r.Sign()
},
}
// SendHandler is a request handler to send service request using HTTP client.
var SendHandler = request.NamedHandler{Name: "core.SendHandler", Fn: func(r *request.Request) {
var err error
r.HTTPResponse, err = r.Config.HTTPClient.Do(r.HTTPRequest)
if err != nil {
// Prevent leaking if an HTTPResponse was returned. Clean up
// the body.
if r.HTTPResponse != nil {
r.HTTPResponse.Body.Close()
}
// Capture the case where url.Error is returned for error processing
// response. e.g. 301 without location header comes back as string
// error and r.HTTPResponse is nil. Other url redirect errors will
// comeback in a similar method.
if e, ok := err.(*url.Error); ok && e.Err != nil {
if s := reStatusCode.FindStringSubmatch(e.Err.Error()); s != nil {
code, _ := strconv.ParseInt(s[1], 10, 64)
r.HTTPResponse = &http.Response{
StatusCode: int(code),
Status: http.StatusText(int(code)),
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}
return
}
}
if r.HTTPResponse == nil {
// Add a dummy request response object to ensure the HTTPResponse
// value is consistent.
r.HTTPResponse = &http.Response{
StatusCode: int(0),
Status: http.StatusText(int(0)),
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}
}
// Catch all other request errors.
r.Error = awserr.New("RequestError", "send request failed", err)
r.Retryable = aws.Bool(true) // network errors are retryable
}
}}
// ValidateResponseHandler is a request handler to validate service response.
var ValidateResponseHandler = request.NamedHandler{Name: "core.ValidateResponseHandler", Fn: func(r *request.Request) {
if r.HTTPResponse.StatusCode == 0 || r.HTTPResponse.StatusCode >= 300 {
// this may be replaced by an UnmarshalError handler
r.Error = awserr.New("UnknownError", "unknown error", nil)
}
}}
// AfterRetryHandler performs final checks to determine if the request should
// be retried and how long to delay.
var AfterRetryHandler = request.NamedHandler{Name: "core.AfterRetryHandler", Fn: func(r *request.Request) {
// If one of the other handlers already set the retry state
// we don't want to override it based on the service's state
if r.Retryable == nil {
r.Retryable = aws.Bool(r.ShouldRetry(r))
}
if r.WillRetry() {
r.RetryDelay = r.RetryRules(r)
r.Config.SleepDelay(r.RetryDelay)
// when the expired token exception occurs the credentials
// need to be expired locally so that the next request to
// get credentials will trigger a credentials refresh.
if r.IsErrorExpired() {
r.Config.Credentials.Expire()
}
r.RetryCount++
r.Error = nil
}
}}
// ValidateEndpointHandler is a request handler to validate a request had the
// appropriate Region and Endpoint set. Will set r.Error if the endpoint or
// region is not valid.
var ValidateEndpointHandler = request.NamedHandler{Name: "core.ValidateEndpointHandler", Fn: func(r *request.Request) {
if r.ClientInfo.SigningRegion == "" && aws.StringValue(r.Config.Region) == "" {
r.Error = aws.ErrMissingRegion
} else if r.ClientInfo.Endpoint == "" {
r.Error = aws.ErrMissingEndpoint
}
}}

17
vendor/github.com/aws/aws-sdk-go/aws/corehandlers/param_validator.go сгенерированный поставляемый Normal file
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package corehandlers
import "github.com/aws/aws-sdk-go/aws/request"
// ValidateParametersHandler is a request handler to validate the input parameters.
// Validating parameters only has meaning if done prior to the request being sent.
var ValidateParametersHandler = request.NamedHandler{Name: "core.ValidateParametersHandler", Fn: func(r *request.Request) {
if !r.ParamsFilled() {
return
}
if v, ok := r.Params.(request.Validator); ok {
if err := v.Validate(); err != nil {
r.Error = err
}
}
}}

100
vendor/github.com/aws/aws-sdk-go/aws/credentials/chain_provider.go сгенерированный поставляемый Normal file
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package credentials
import (
"github.com/aws/aws-sdk-go/aws/awserr"
)
var (
// ErrNoValidProvidersFoundInChain Is returned when there are no valid
// providers in the ChainProvider.
//
// This has been deprecated. For verbose error messaging set
// aws.Config.CredentialsChainVerboseErrors to true
//
// @readonly
ErrNoValidProvidersFoundInChain = awserr.New("NoCredentialProviders",
`no valid providers in chain. Deprecated.
For verbose messaging see aws.Config.CredentialsChainVerboseErrors`,
nil)
)
// A ChainProvider will search for a provider which returns credentials
// and cache that provider until Retrieve is called again.
//
// The ChainProvider provides a way of chaining multiple providers together
// which will pick the first available using priority order of the Providers
// in the list.
//
// If none of the Providers retrieve valid credentials Value, ChainProvider's
// Retrieve() will return the error ErrNoValidProvidersFoundInChain.
//
// If a Provider is found which returns valid credentials Value ChainProvider
// will cache that Provider for all calls to IsExpired(), until Retrieve is
// called again.
//
// Example of ChainProvider to be used with an EnvProvider and EC2RoleProvider.
// In this example EnvProvider will first check if any credentials are available
// via the environment variables. If there are none ChainProvider will check
// the next Provider in the list, EC2RoleProvider in this case. If EC2RoleProvider
// does not return any credentials ChainProvider will return the error
// ErrNoValidProvidersFoundInChain
//
// creds := NewChainCredentials(
// []Provider{
// &EnvProvider{},
// &EC2RoleProvider{
// Client: ec2metadata.New(sess),
// },
// })
//
// // Usage of ChainCredentials with aws.Config
// svc := ec2.New(&aws.Config{Credentials: creds})
//
type ChainProvider struct {
Providers []Provider
curr Provider
VerboseErrors bool
}
// NewChainCredentials returns a pointer to a new Credentials object
// wrapping a chain of providers.
func NewChainCredentials(providers []Provider) *Credentials {
return NewCredentials(&ChainProvider{
Providers: append([]Provider{}, providers...),
})
}
// Retrieve returns the credentials value or error if no provider returned
// without error.
//
// If a provider is found it will be cached and any calls to IsExpired()
// will return the expired state of the cached provider.
func (c *ChainProvider) Retrieve() (Value, error) {
var errs []error
for _, p := range c.Providers {
creds, err := p.Retrieve()
if err == nil {
c.curr = p
return creds, nil
}
errs = append(errs, err)
}
c.curr = nil
var err error
err = ErrNoValidProvidersFoundInChain
if c.VerboseErrors {
err = awserr.NewBatchError("NoCredentialProviders", "no valid providers in chain", errs)
}
return Value{}, err
}
// IsExpired will returned the expired state of the currently cached provider
// if there is one. If there is no current provider, true will be returned.
func (c *ChainProvider) IsExpired() bool {
if c.curr != nil {
return c.curr.IsExpired()
}
return true
}

223
vendor/github.com/aws/aws-sdk-go/aws/credentials/credentials.go сгенерированный поставляемый Normal file
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// Package credentials provides credential retrieval and management
//
// The Credentials is the primary method of getting access to and managing
// credentials Values. Using dependency injection retrieval of the credential
// values is handled by a object which satisfies the Provider interface.
//
// By default the Credentials.Get() will cache the successful result of a
// Provider's Retrieve() until Provider.IsExpired() returns true. At which
// point Credentials will call Provider's Retrieve() to get new credential Value.
//
// The Provider is responsible for determining when credentials Value have expired.
// It is also important to note that Credentials will always call Retrieve the
// first time Credentials.Get() is called.
//
// Example of using the environment variable credentials.
//
// creds := NewEnvCredentials()
//
// // Retrieve the credentials value
// credValue, err := creds.Get()
// if err != nil {
// // handle error
// }
//
// Example of forcing credentials to expire and be refreshed on the next Get().
// This may be helpful to proactively expire credentials and refresh them sooner
// than they would naturally expire on their own.
//
// creds := NewCredentials(&EC2RoleProvider{})
// creds.Expire()
// credsValue, err := creds.Get()
// // New credentials will be retrieved instead of from cache.
//
//
// Custom Provider
//
// Each Provider built into this package also provides a helper method to generate
// a Credentials pointer setup with the provider. To use a custom Provider just
// create a type which satisfies the Provider interface and pass it to the
// NewCredentials method.
//
// type MyProvider struct{}
// func (m *MyProvider) Retrieve() (Value, error) {...}
// func (m *MyProvider) IsExpired() bool {...}
//
// creds := NewCredentials(&MyProvider{})
// credValue, err := creds.Get()
//
package credentials
import (
"sync"
"time"
)
// AnonymousCredentials is an empty Credential object that can be used as
// dummy placeholder credentials for requests that do not need signed.
//
// This Credentials can be used to configure a service to not sign requests
// when making service API calls. For example, when accessing public
// s3 buckets.
//
// svc := s3.New(&aws.Config{Credentials: AnonymousCredentials})
// // Access public S3 buckets.
//
// @readonly
var AnonymousCredentials = NewStaticCredentials("", "", "")
// A Value is the AWS credentials value for individual credential fields.
type Value struct {
// AWS Access key ID
AccessKeyID string
// AWS Secret Access Key
SecretAccessKey string
// AWS Session Token
SessionToken string
// Provider used to get credentials
ProviderName string
}
// A Provider is the interface for any component which will provide credentials
// Value. A provider is required to manage its own Expired state, and what to
// be expired means.
//
// The Provider should not need to implement its own mutexes, because
// that will be managed by Credentials.
type Provider interface {
// Refresh returns nil if it successfully retrieved the value.
// Error is returned if the value were not obtainable, or empty.
Retrieve() (Value, error)
// IsExpired returns if the credentials are no longer valid, and need
// to be retrieved.
IsExpired() bool
}
// A Expiry provides shared expiration logic to be used by credentials
// providers to implement expiry functionality.
//
// The best method to use this struct is as an anonymous field within the
// provider's struct.
//
// Example:
// type EC2RoleProvider struct {
// Expiry
// ...
// }
type Expiry struct {
// The date/time when to expire on
expiration time.Time
// If set will be used by IsExpired to determine the current time.
// Defaults to time.Now if CurrentTime is not set. Available for testing
// to be able to mock out the current time.
CurrentTime func() time.Time
}
// SetExpiration sets the expiration IsExpired will check when called.
//
// If window is greater than 0 the expiration time will be reduced by the
// window value.
//
// Using a window is helpful to trigger credentials to expire sooner than
// the expiration time given to ensure no requests are made with expired
// tokens.
func (e *Expiry) SetExpiration(expiration time.Time, window time.Duration) {
e.expiration = expiration
if window > 0 {
e.expiration = e.expiration.Add(-window)
}
}
// IsExpired returns if the credentials are expired.
func (e *Expiry) IsExpired() bool {
if e.CurrentTime == nil {
e.CurrentTime = time.Now
}
return e.expiration.Before(e.CurrentTime())
}
// A Credentials provides synchronous safe retrieval of AWS credentials Value.
// Credentials will cache the credentials value until they expire. Once the value
// expires the next Get will attempt to retrieve valid credentials.
//
// Credentials is safe to use across multiple goroutines and will manage the
// synchronous state so the Providers do not need to implement their own
// synchronization.
//
// The first Credentials.Get() will always call Provider.Retrieve() to get the
// first instance of the credentials Value. All calls to Get() after that
// will return the cached credentials Value until IsExpired() returns true.
type Credentials struct {
creds Value
forceRefresh bool
m sync.Mutex
provider Provider
}
// NewCredentials returns a pointer to a new Credentials with the provider set.
func NewCredentials(provider Provider) *Credentials {
return &Credentials{
provider: provider,
forceRefresh: true,
}
}
// Get returns the credentials value, or error if the credentials Value failed
// to be retrieved.
//
// Will return the cached credentials Value if it has not expired. If the
// credentials Value has expired the Provider's Retrieve() will be called
// to refresh the credentials.
//
// If Credentials.Expire() was called the credentials Value will be force
// expired, and the next call to Get() will cause them to be refreshed.
func (c *Credentials) Get() (Value, error) {
c.m.Lock()
defer c.m.Unlock()
if c.isExpired() {
creds, err := c.provider.Retrieve()
if err != nil {
return Value{}, err
}
c.creds = creds
c.forceRefresh = false
}
return c.creds, nil
}
// Expire expires the credentials and forces them to be retrieved on the
// next call to Get().
//
// This will override the Provider's expired state, and force Credentials
// to call the Provider's Retrieve().
func (c *Credentials) Expire() {
c.m.Lock()
defer c.m.Unlock()
c.forceRefresh = true
}
// IsExpired returns if the credentials are no longer valid, and need
// to be retrieved.
//
// If the Credentials were forced to be expired with Expire() this will
// reflect that override.
func (c *Credentials) IsExpired() bool {
c.m.Lock()
defer c.m.Unlock()
return c.isExpired()
}
// isExpired helper method wrapping the definition of expired credentials.
func (c *Credentials) isExpired() bool {
return c.forceRefresh || c.provider.IsExpired()
}

178
vendor/github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds/ec2_role_provider.go сгенерированный поставляемый Normal file
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package ec2rolecreds
import (
"bufio"
"encoding/json"
"fmt"
"path"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/ec2metadata"
)
// ProviderName provides a name of EC2Role provider
const ProviderName = "EC2RoleProvider"
// A EC2RoleProvider retrieves credentials from the EC2 service, and keeps track if
// those credentials are expired.
//
// Example how to configure the EC2RoleProvider with custom http Client, Endpoint
// or ExpiryWindow
//
// p := &ec2rolecreds.EC2RoleProvider{
// // Pass in a custom timeout to be used when requesting
// // IAM EC2 Role credentials.
// Client: ec2metadata.New(sess, aws.Config{
// HTTPClient: &http.Client{Timeout: 10 * time.Second},
// }),
//
// // Do not use early expiry of credentials. If a non zero value is
// // specified the credentials will be expired early
// ExpiryWindow: 0,
// }
type EC2RoleProvider struct {
credentials.Expiry
// Required EC2Metadata client to use when connecting to EC2 metadata service.
Client *ec2metadata.EC2Metadata
// ExpiryWindow will allow the credentials to trigger refreshing prior to
// the credentials actually expiring. This is beneficial so race conditions
// with expiring credentials do not cause request to fail unexpectedly
// due to ExpiredTokenException exceptions.
//
// So a ExpiryWindow of 10s would cause calls to IsExpired() to return true
// 10 seconds before the credentials are actually expired.
//
// If ExpiryWindow is 0 or less it will be ignored.
ExpiryWindow time.Duration
}
// NewCredentials returns a pointer to a new Credentials object wrapping
// the EC2RoleProvider. Takes a ConfigProvider to create a EC2Metadata client.
// The ConfigProvider is satisfied by the session.Session type.
func NewCredentials(c client.ConfigProvider, options ...func(*EC2RoleProvider)) *credentials.Credentials {
p := &EC2RoleProvider{
Client: ec2metadata.New(c),
}
for _, option := range options {
option(p)
}
return credentials.NewCredentials(p)
}
// NewCredentialsWithClient returns a pointer to a new Credentials object wrapping
// the EC2RoleProvider. Takes a EC2Metadata client to use when connecting to EC2
// metadata service.
func NewCredentialsWithClient(client *ec2metadata.EC2Metadata, options ...func(*EC2RoleProvider)) *credentials.Credentials {
p := &EC2RoleProvider{
Client: client,
}
for _, option := range options {
option(p)
}
return credentials.NewCredentials(p)
}
// Retrieve retrieves credentials from the EC2 service.
// Error will be returned if the request fails, or unable to extract
// the desired credentials.
func (m *EC2RoleProvider) Retrieve() (credentials.Value, error) {
credsList, err := requestCredList(m.Client)
if err != nil {
return credentials.Value{ProviderName: ProviderName}, err
}
if len(credsList) == 0 {
return credentials.Value{ProviderName: ProviderName}, awserr.New("EmptyEC2RoleList", "empty EC2 Role list", nil)
}
credsName := credsList[0]
roleCreds, err := requestCred(m.Client, credsName)
if err != nil {
return credentials.Value{ProviderName: ProviderName}, err
}
m.SetExpiration(roleCreds.Expiration, m.ExpiryWindow)
return credentials.Value{
AccessKeyID: roleCreds.AccessKeyID,
SecretAccessKey: roleCreds.SecretAccessKey,
SessionToken: roleCreds.Token,
ProviderName: ProviderName,
}, nil
}
// A ec2RoleCredRespBody provides the shape for unmarshalling credential
// request responses.
type ec2RoleCredRespBody struct {
// Success State
Expiration time.Time
AccessKeyID string
SecretAccessKey string
Token string
// Error state
Code string
Message string
}
const iamSecurityCredsPath = "/iam/security-credentials"
// requestCredList requests a list of credentials from the EC2 service.
// If there are no credentials, or there is an error making or receiving the request
func requestCredList(client *ec2metadata.EC2Metadata) ([]string, error) {
resp, err := client.GetMetadata(iamSecurityCredsPath)
if err != nil {
return nil, awserr.New("EC2RoleRequestError", "no EC2 instance role found", err)
}
credsList := []string{}
s := bufio.NewScanner(strings.NewReader(resp))
for s.Scan() {
credsList = append(credsList, s.Text())
}
if err := s.Err(); err != nil {
return nil, awserr.New("SerializationError", "failed to read EC2 instance role from metadata service", err)
}
return credsList, nil
}
// requestCred requests the credentials for a specific credentials from the EC2 service.
//
// If the credentials cannot be found, or there is an error reading the response
// and error will be returned.
func requestCred(client *ec2metadata.EC2Metadata, credsName string) (ec2RoleCredRespBody, error) {
resp, err := client.GetMetadata(path.Join(iamSecurityCredsPath, credsName))
if err != nil {
return ec2RoleCredRespBody{},
awserr.New("EC2RoleRequestError",
fmt.Sprintf("failed to get %s EC2 instance role credentials", credsName),
err)
}
respCreds := ec2RoleCredRespBody{}
if err := json.NewDecoder(strings.NewReader(resp)).Decode(&respCreds); err != nil {
return ec2RoleCredRespBody{},
awserr.New("SerializationError",
fmt.Sprintf("failed to decode %s EC2 instance role credentials", credsName),
err)
}
if respCreds.Code != "Success" {
// If an error code was returned something failed requesting the role.
return ec2RoleCredRespBody{}, awserr.New(respCreds.Code, respCreds.Message, nil)
}
return respCreds, nil
}

191
vendor/github.com/aws/aws-sdk-go/aws/credentials/endpointcreds/provider.go сгенерированный поставляемый Normal file
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// Package endpointcreds provides support for retrieving credentials from an
// arbitrary HTTP endpoint.
//
// The credentials endpoint Provider can receive both static and refreshable
// credentials that will expire. Credentials are static when an "Expiration"
// value is not provided in the endpoint's response.
//
// Static credentials will never expire once they have been retrieved. The format
// of the static credentials response:
// {
// "AccessKeyId" : "MUA...",
// "SecretAccessKey" : "/7PC5om....",
// }
//
// Refreshable credentials will expire within the "ExpiryWindow" of the Expiration
// value in the response. The format of the refreshable credentials response:
// {
// "AccessKeyId" : "MUA...",
// "SecretAccessKey" : "/7PC5om....",
// "Token" : "AQoDY....=",
// "Expiration" : "2016-02-25T06:03:31Z"
// }
//
// Errors should be returned in the following format and only returned with 400
// or 500 HTTP status codes.
// {
// "code": "ErrorCode",
// "message": "Helpful error message."
// }
package endpointcreds
import (
"encoding/json"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/client/metadata"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/request"
)
// ProviderName is the name of the credentials provider.
const ProviderName = `CredentialsEndpointProvider`
// Provider satisfies the credentials.Provider interface, and is a client to
// retrieve credentials from an arbitrary endpoint.
type Provider struct {
staticCreds bool
credentials.Expiry
// Requires a AWS Client to make HTTP requests to the endpoint with.
// the Endpoint the request will be made to is provided by the aws.Config's
// Endpoint value.
Client *client.Client
// ExpiryWindow will allow the credentials to trigger refreshing prior to
// the credentials actually expiring. This is beneficial so race conditions
// with expiring credentials do not cause request to fail unexpectedly
// due to ExpiredTokenException exceptions.
//
// So a ExpiryWindow of 10s would cause calls to IsExpired() to return true
// 10 seconds before the credentials are actually expired.
//
// If ExpiryWindow is 0 or less it will be ignored.
ExpiryWindow time.Duration
}
// NewProviderClient returns a credentials Provider for retrieving AWS credentials
// from arbitrary endpoint.
func NewProviderClient(cfg aws.Config, handlers request.Handlers, endpoint string, options ...func(*Provider)) credentials.Provider {
p := &Provider{
Client: client.New(
cfg,
metadata.ClientInfo{
ServiceName: "CredentialsEndpoint",
Endpoint: endpoint,
},
handlers,
),
}
p.Client.Handlers.Unmarshal.PushBack(unmarshalHandler)
p.Client.Handlers.UnmarshalError.PushBack(unmarshalError)
p.Client.Handlers.Validate.Clear()
p.Client.Handlers.Validate.PushBack(validateEndpointHandler)
for _, option := range options {
option(p)
}
return p
}
// NewCredentialsClient returns a Credentials wrapper for retrieving credentials
// from an arbitrary endpoint concurrently. The client will request the
func NewCredentialsClient(cfg aws.Config, handlers request.Handlers, endpoint string, options ...func(*Provider)) *credentials.Credentials {
return credentials.NewCredentials(NewProviderClient(cfg, handlers, endpoint, options...))
}
// IsExpired returns true if the credentials retrieved are expired, or not yet
// retrieved.
func (p *Provider) IsExpired() bool {
if p.staticCreds {
return false
}
return p.Expiry.IsExpired()
}
// Retrieve will attempt to request the credentials from the endpoint the Provider
// was configured for. And error will be returned if the retrieval fails.
func (p *Provider) Retrieve() (credentials.Value, error) {
resp, err := p.getCredentials()
if err != nil {
return credentials.Value{ProviderName: ProviderName},
awserr.New("CredentialsEndpointError", "failed to load credentials", err)
}
if resp.Expiration != nil {
p.SetExpiration(*resp.Expiration, p.ExpiryWindow)
} else {
p.staticCreds = true
}
return credentials.Value{
AccessKeyID: resp.AccessKeyID,
SecretAccessKey: resp.SecretAccessKey,
SessionToken: resp.Token,
ProviderName: ProviderName,
}, nil
}
type getCredentialsOutput struct {
Expiration *time.Time
AccessKeyID string
SecretAccessKey string
Token string
}
type errorOutput struct {
Code string `json:"code"`
Message string `json:"message"`
}
func (p *Provider) getCredentials() (*getCredentialsOutput, error) {
op := &request.Operation{
Name: "GetCredentials",
HTTPMethod: "GET",
}
out := &getCredentialsOutput{}
req := p.Client.NewRequest(op, nil, out)
req.HTTPRequest.Header.Set("Accept", "application/json")
return out, req.Send()
}
func validateEndpointHandler(r *request.Request) {
if len(r.ClientInfo.Endpoint) == 0 {
r.Error = aws.ErrMissingEndpoint
}
}
func unmarshalHandler(r *request.Request) {
defer r.HTTPResponse.Body.Close()
out := r.Data.(*getCredentialsOutput)
if err := json.NewDecoder(r.HTTPResponse.Body).Decode(&out); err != nil {
r.Error = awserr.New("SerializationError",
"failed to decode endpoint credentials",
err,
)
}
}
func unmarshalError(r *request.Request) {
defer r.HTTPResponse.Body.Close()
var errOut errorOutput
if err := json.NewDecoder(r.HTTPResponse.Body).Decode(&errOut); err != nil {
r.Error = awserr.New("SerializationError",
"failed to decode endpoint credentials",
err,
)
}
// Response body format is not consistent between metadata endpoints.
// Grab the error message as a string and include that as the source error
r.Error = awserr.New(errOut.Code, errOut.Message, nil)
}

77
vendor/github.com/aws/aws-sdk-go/aws/credentials/env_provider.go сгенерированный поставляемый Normal file
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package credentials
import (
"os"
"github.com/aws/aws-sdk-go/aws/awserr"
)
// EnvProviderName provides a name of Env provider
const EnvProviderName = "EnvProvider"
var (
// ErrAccessKeyIDNotFound is returned when the AWS Access Key ID can't be
// found in the process's environment.
//
// @readonly
ErrAccessKeyIDNotFound = awserr.New("EnvAccessKeyNotFound", "AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY not found in environment", nil)
// ErrSecretAccessKeyNotFound is returned when the AWS Secret Access Key
// can't be found in the process's environment.
//
// @readonly
ErrSecretAccessKeyNotFound = awserr.New("EnvSecretNotFound", "AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY not found in environment", nil)
)
// A EnvProvider retrieves credentials from the environment variables of the
// running process. Environment credentials never expire.
//
// Environment variables used:
//
// * Access Key ID: AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY
// * Secret Access Key: AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY
type EnvProvider struct {
retrieved bool
}
// NewEnvCredentials returns a pointer to a new Credentials object
// wrapping the environment variable provider.
func NewEnvCredentials() *Credentials {
return NewCredentials(&EnvProvider{})
}
// Retrieve retrieves the keys from the environment.
func (e *EnvProvider) Retrieve() (Value, error) {
e.retrieved = false
id := os.Getenv("AWS_ACCESS_KEY_ID")
if id == "" {
id = os.Getenv("AWS_ACCESS_KEY")
}
secret := os.Getenv("AWS_SECRET_ACCESS_KEY")
if secret == "" {
secret = os.Getenv("AWS_SECRET_KEY")
}
if id == "" {
return Value{ProviderName: EnvProviderName}, ErrAccessKeyIDNotFound
}
if secret == "" {
return Value{ProviderName: EnvProviderName}, ErrSecretAccessKeyNotFound
}
e.retrieved = true
return Value{
AccessKeyID: id,
SecretAccessKey: secret,
SessionToken: os.Getenv("AWS_SESSION_TOKEN"),
ProviderName: EnvProviderName,
}, nil
}
// IsExpired returns if the credentials have been retrieved.
func (e *EnvProvider) IsExpired() bool {
return !e.retrieved
}

12
vendor/github.com/aws/aws-sdk-go/aws/credentials/example.ini сгенерированный поставляемый Normal file
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[default]
aws_access_key_id = accessKey
aws_secret_access_key = secret
aws_session_token = token
[no_token]
aws_access_key_id = accessKey
aws_secret_access_key = secret
[with_colon]
aws_access_key_id: accessKey
aws_secret_access_key: secret

151
vendor/github.com/aws/aws-sdk-go/aws/credentials/shared_credentials_provider.go сгенерированный поставляемый Normal file
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package credentials
import (
"fmt"
"os"
"path/filepath"
"github.com/go-ini/ini"
"github.com/aws/aws-sdk-go/aws/awserr"
)
// SharedCredsProviderName provides a name of SharedCreds provider
const SharedCredsProviderName = "SharedCredentialsProvider"
var (
// ErrSharedCredentialsHomeNotFound is emitted when the user directory cannot be found.
//
// @readonly
ErrSharedCredentialsHomeNotFound = awserr.New("UserHomeNotFound", "user home directory not found.", nil)
)
// A SharedCredentialsProvider retrieves credentials from the current user's home
// directory, and keeps track if those credentials are expired.
//
// Profile ini file example: $HOME/.aws/credentials
type SharedCredentialsProvider struct {
// Path to the shared credentials file.
//
// If empty will look for "AWS_SHARED_CREDENTIALS_FILE" env variable. If the
// env value is empty will default to current user's home directory.
// Linux/OSX: "$HOME/.aws/credentials"
// Windows: "%USERPROFILE%\.aws\credentials"
Filename string
// AWS Profile to extract credentials from the shared credentials file. If empty
// will default to environment variable "AWS_PROFILE" or "default" if
// environment variable is also not set.
Profile string
// retrieved states if the credentials have been successfully retrieved.
retrieved bool
}
// NewSharedCredentials returns a pointer to a new Credentials object
// wrapping the Profile file provider.
func NewSharedCredentials(filename, profile string) *Credentials {
return NewCredentials(&SharedCredentialsProvider{
Filename: filename,
Profile: profile,
})
}
// Retrieve reads and extracts the shared credentials from the current
// users home directory.
func (p *SharedCredentialsProvider) Retrieve() (Value, error) {
p.retrieved = false
filename, err := p.filename()
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, err
}
creds, err := loadProfile(filename, p.profile())
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, err
}
p.retrieved = true
return creds, nil
}
// IsExpired returns if the shared credentials have expired.
func (p *SharedCredentialsProvider) IsExpired() bool {
return !p.retrieved
}
// loadProfiles loads from the file pointed to by shared credentials filename for profile.
// The credentials retrieved from the profile will be returned or error. Error will be
// returned if it fails to read from the file, or the data is invalid.
func loadProfile(filename, profile string) (Value, error) {
config, err := ini.Load(filename)
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, awserr.New("SharedCredsLoad", "failed to load shared credentials file", err)
}
iniProfile, err := config.GetSection(profile)
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, awserr.New("SharedCredsLoad", "failed to get profile", err)
}
id, err := iniProfile.GetKey("aws_access_key_id")
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, awserr.New("SharedCredsAccessKey",
fmt.Sprintf("shared credentials %s in %s did not contain aws_access_key_id", profile, filename),
err)
}
secret, err := iniProfile.GetKey("aws_secret_access_key")
if err != nil {
return Value{ProviderName: SharedCredsProviderName}, awserr.New("SharedCredsSecret",
fmt.Sprintf("shared credentials %s in %s did not contain aws_secret_access_key", profile, filename),
nil)
}
// Default to empty string if not found
token := iniProfile.Key("aws_session_token")
return Value{
AccessKeyID: id.String(),
SecretAccessKey: secret.String(),
SessionToken: token.String(),
ProviderName: SharedCredsProviderName,
}, nil
}
// filename returns the filename to use to read AWS shared credentials.
//
// Will return an error if the user's home directory path cannot be found.
func (p *SharedCredentialsProvider) filename() (string, error) {
if p.Filename == "" {
if p.Filename = os.Getenv("AWS_SHARED_CREDENTIALS_FILE"); p.Filename != "" {
return p.Filename, nil
}
homeDir := os.Getenv("HOME") // *nix
if homeDir == "" { // Windows
homeDir = os.Getenv("USERPROFILE")
}
if homeDir == "" {
return "", ErrSharedCredentialsHomeNotFound
}
p.Filename = filepath.Join(homeDir, ".aws", "credentials")
}
return p.Filename, nil
}
// profile returns the AWS shared credentials profile. If empty will read
// environment variable "AWS_PROFILE". If that is not set profile will
// return "default".
func (p *SharedCredentialsProvider) profile() string {
if p.Profile == "" {
p.Profile = os.Getenv("AWS_PROFILE")
}
if p.Profile == "" {
p.Profile = "default"
}
return p.Profile
}

57
vendor/github.com/aws/aws-sdk-go/aws/credentials/static_provider.go сгенерированный поставляемый Normal file
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package credentials
import (
"github.com/aws/aws-sdk-go/aws/awserr"
)
// StaticProviderName provides a name of Static provider
const StaticProviderName = "StaticProvider"
var (
// ErrStaticCredentialsEmpty is emitted when static credentials are empty.
//
// @readonly
ErrStaticCredentialsEmpty = awserr.New("EmptyStaticCreds", "static credentials are empty", nil)
)
// A StaticProvider is a set of credentials which are set programmatically,
// and will never expire.
type StaticProvider struct {
Value
}
// NewStaticCredentials returns a pointer to a new Credentials object
// wrapping a static credentials value provider.
func NewStaticCredentials(id, secret, token string) *Credentials {
return NewCredentials(&StaticProvider{Value: Value{
AccessKeyID: id,
SecretAccessKey: secret,
SessionToken: token,
}})
}
// NewStaticCredentialsFromCreds returns a pointer to a new Credentials object
// wrapping the static credentials value provide. Same as NewStaticCredentials
// but takes the creds Value instead of individual fields
func NewStaticCredentialsFromCreds(creds Value) *Credentials {
return NewCredentials(&StaticProvider{Value: creds})
}
// Retrieve returns the credentials or error if the credentials are invalid.
func (s *StaticProvider) Retrieve() (Value, error) {
if s.AccessKeyID == "" || s.SecretAccessKey == "" {
return Value{ProviderName: StaticProviderName}, ErrStaticCredentialsEmpty
}
if len(s.Value.ProviderName) == 0 {
s.Value.ProviderName = StaticProviderName
}
return s.Value, nil
}
// IsExpired returns if the credentials are expired.
//
// For StaticProvider, the credentials never expired.
func (s *StaticProvider) IsExpired() bool {
return false
}

161
vendor/github.com/aws/aws-sdk-go/aws/credentials/stscreds/assume_role_provider.go сгенерированный поставляемый Normal file
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// Package stscreds are credential Providers to retrieve STS AWS credentials.
//
// STS provides multiple ways to retrieve credentials which can be used when making
// future AWS service API operation calls.
package stscreds
import (
"fmt"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/service/sts"
)
// ProviderName provides a name of AssumeRole provider
const ProviderName = "AssumeRoleProvider"
// AssumeRoler represents the minimal subset of the STS client API used by this provider.
type AssumeRoler interface {
AssumeRole(input *sts.AssumeRoleInput) (*sts.AssumeRoleOutput, error)
}
// DefaultDuration is the default amount of time in minutes that the credentials
// will be valid for.
var DefaultDuration = time.Duration(15) * time.Minute
// AssumeRoleProvider retrieves temporary credentials from the STS service, and
// keeps track of their expiration time. This provider must be used explicitly,
// as it is not included in the credentials chain.
type AssumeRoleProvider struct {
credentials.Expiry
// STS client to make assume role request with.
Client AssumeRoler
// Role to be assumed.
RoleARN string
// Session name, if you wish to reuse the credentials elsewhere.
RoleSessionName string
// Expiry duration of the STS credentials. Defaults to 15 minutes if not set.
Duration time.Duration
// Optional ExternalID to pass along, defaults to nil if not set.
ExternalID *string
// The policy plain text must be 2048 bytes or shorter. However, an internal
// conversion compresses it into a packed binary format with a separate limit.
// The PackedPolicySize response element indicates by percentage how close to
// the upper size limit the policy is, with 100% equaling the maximum allowed
// size.
Policy *string
// The identification number of the MFA device that is associated with the user
// who is making the AssumeRole call. Specify this value if the trust policy
// of the role being assumed includes a condition that requires MFA authentication.
// The value is either the serial number for a hardware device (such as GAHT12345678)
// or an Amazon Resource Name (ARN) for a virtual device (such as arn:aws:iam::123456789012:mfa/user).
SerialNumber *string
// The value provided by the MFA device, if the trust policy of the role being
// assumed requires MFA (that is, if the policy includes a condition that tests
// for MFA). If the role being assumed requires MFA and if the TokenCode value
// is missing or expired, the AssumeRole call returns an "access denied" error.
TokenCode *string
// ExpiryWindow will allow the credentials to trigger refreshing prior to
// the credentials actually expiring. This is beneficial so race conditions
// with expiring credentials do not cause request to fail unexpectedly
// due to ExpiredTokenException exceptions.
//
// So a ExpiryWindow of 10s would cause calls to IsExpired() to return true
// 10 seconds before the credentials are actually expired.
//
// If ExpiryWindow is 0 or less it will be ignored.
ExpiryWindow time.Duration
}
// NewCredentials returns a pointer to a new Credentials object wrapping the
// AssumeRoleProvider. The credentials will expire every 15 minutes and the
// role will be named after a nanosecond timestamp of this operation.
//
// Takes a Config provider to create the STS client. The ConfigProvider is
// satisfied by the session.Session type.
func NewCredentials(c client.ConfigProvider, roleARN string, options ...func(*AssumeRoleProvider)) *credentials.Credentials {
p := &AssumeRoleProvider{
Client: sts.New(c),
RoleARN: roleARN,
Duration: DefaultDuration,
}
for _, option := range options {
option(p)
}
return credentials.NewCredentials(p)
}
// NewCredentialsWithClient returns a pointer to a new Credentials object wrapping the
// AssumeRoleProvider. The credentials will expire every 15 minutes and the
// role will be named after a nanosecond timestamp of this operation.
//
// Takes an AssumeRoler which can be satisfiede by the STS client.
func NewCredentialsWithClient(svc AssumeRoler, roleARN string, options ...func(*AssumeRoleProvider)) *credentials.Credentials {
p := &AssumeRoleProvider{
Client: svc,
RoleARN: roleARN,
Duration: DefaultDuration,
}
for _, option := range options {
option(p)
}
return credentials.NewCredentials(p)
}
// Retrieve generates a new set of temporary credentials using STS.
func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
// Apply defaults where parameters are not set.
if p.RoleSessionName == "" {
// Try to work out a role name that will hopefully end up unique.
p.RoleSessionName = fmt.Sprintf("%d", time.Now().UTC().UnixNano())
}
if p.Duration == 0 {
// Expire as often as AWS permits.
p.Duration = DefaultDuration
}
input := &sts.AssumeRoleInput{
DurationSeconds: aws.Int64(int64(p.Duration / time.Second)),
RoleArn: aws.String(p.RoleARN),
RoleSessionName: aws.String(p.RoleSessionName),
ExternalId: p.ExternalID,
}
if p.Policy != nil {
input.Policy = p.Policy
}
if p.SerialNumber != nil && p.TokenCode != nil {
input.SerialNumber = p.SerialNumber
input.TokenCode = p.TokenCode
}
roleOutput, err := p.Client.AssumeRole(input)
if err != nil {
return credentials.Value{ProviderName: ProviderName}, err
}
// We will proactively generate new credentials before they expire.
p.SetExpiration(*roleOutput.Credentials.Expiration, p.ExpiryWindow)
return credentials.Value{
AccessKeyID: *roleOutput.Credentials.AccessKeyId,
SecretAccessKey: *roleOutput.Credentials.SecretAccessKey,
SessionToken: *roleOutput.Credentials.SessionToken,
ProviderName: ProviderName,
}, nil
}

130
vendor/github.com/aws/aws-sdk-go/aws/defaults/defaults.go сгенерированный поставляемый Normal file
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// Package defaults is a collection of helpers to retrieve the SDK's default
// configuration and handlers.
//
// Generally this package shouldn't be used directly, but session.Session
// instead. This package is useful when you need to reset the defaults
// of a session or service client to the SDK defaults before setting
// additional parameters.
package defaults
import (
"fmt"
"net/http"
"os"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/corehandlers"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds"
"github.com/aws/aws-sdk-go/aws/credentials/endpointcreds"
"github.com/aws/aws-sdk-go/aws/ec2metadata"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/endpoints"
)
// A Defaults provides a collection of default values for SDK clients.
type Defaults struct {
Config *aws.Config
Handlers request.Handlers
}
// Get returns the SDK's default values with Config and handlers pre-configured.
func Get() Defaults {
cfg := Config()
handlers := Handlers()
cfg.Credentials = CredChain(cfg, handlers)
return Defaults{
Config: cfg,
Handlers: handlers,
}
}
// Config returns the default configuration without credentials.
// To retrieve a config with credentials also included use
// `defaults.Get().Config` instead.
//
// Generally you shouldn't need to use this method directly, but
// is available if you need to reset the configuration of an
// existing service client or session.
func Config() *aws.Config {
return aws.NewConfig().
WithCredentials(credentials.AnonymousCredentials).
WithRegion(os.Getenv("AWS_REGION")).
WithHTTPClient(http.DefaultClient).
WithMaxRetries(aws.UseServiceDefaultRetries).
WithLogger(aws.NewDefaultLogger()).
WithLogLevel(aws.LogOff).
WithSleepDelay(time.Sleep)
}
// Handlers returns the default request handlers.
//
// Generally you shouldn't need to use this method directly, but
// is available if you need to reset the request handlers of an
// existing service client or session.
func Handlers() request.Handlers {
var handlers request.Handlers
handlers.Validate.PushBackNamed(corehandlers.ValidateEndpointHandler)
handlers.Validate.AfterEachFn = request.HandlerListStopOnError
handlers.Build.PushBackNamed(corehandlers.SDKVersionUserAgentHandler)
handlers.Build.AfterEachFn = request.HandlerListStopOnError
handlers.Sign.PushBackNamed(corehandlers.BuildContentLengthHandler)
handlers.Send.PushBackNamed(corehandlers.ValidateReqSigHandler)
handlers.Send.PushBackNamed(corehandlers.SendHandler)
handlers.AfterRetry.PushBackNamed(corehandlers.AfterRetryHandler)
handlers.ValidateResponse.PushBackNamed(corehandlers.ValidateResponseHandler)
return handlers
}
// CredChain returns the default credential chain.
//
// Generally you shouldn't need to use this method directly, but
// is available if you need to reset the credentials of an
// existing service client or session's Config.
func CredChain(cfg *aws.Config, handlers request.Handlers) *credentials.Credentials {
return credentials.NewCredentials(&credentials.ChainProvider{
VerboseErrors: aws.BoolValue(cfg.CredentialsChainVerboseErrors),
Providers: []credentials.Provider{
&credentials.EnvProvider{},
&credentials.SharedCredentialsProvider{Filename: "", Profile: ""},
RemoteCredProvider(*cfg, handlers),
},
})
}
// RemoteCredProvider returns a credenitials provider for the default remote
// endpoints such as EC2 or ECS Roles.
func RemoteCredProvider(cfg aws.Config, handlers request.Handlers) credentials.Provider {
ecsCredURI := os.Getenv("AWS_CONTAINER_CREDENTIALS_RELATIVE_URI")
if len(ecsCredURI) > 0 {
return ecsCredProvider(cfg, handlers, ecsCredURI)
}
return ec2RoleProvider(cfg, handlers)
}
func ecsCredProvider(cfg aws.Config, handlers request.Handlers, uri string) credentials.Provider {
const host = `169.254.170.2`
return endpointcreds.NewProviderClient(cfg, handlers,
fmt.Sprintf("http://%s%s", host, uri),
func(p *endpointcreds.Provider) {
p.ExpiryWindow = 5 * time.Minute
},
)
}
func ec2RoleProvider(cfg aws.Config, handlers request.Handlers) credentials.Provider {
endpoint, signingRegion := endpoints.EndpointForRegion(ec2metadata.ServiceName,
aws.StringValue(cfg.Region), true, false)
return &ec2rolecreds.EC2RoleProvider{
Client: ec2metadata.NewClient(cfg, handlers, endpoint, signingRegion),
ExpiryWindow: 5 * time.Minute,
}
}

162
vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/api.go сгенерированный поставляемый Normal file
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package ec2metadata
import (
"encoding/json"
"fmt"
"net/http"
"path"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
)
// GetMetadata uses the path provided to request information from the EC2
// instance metdata service. The content will be returned as a string, or
// error if the request failed.
func (c *EC2Metadata) GetMetadata(p string) (string, error) {
op := &request.Operation{
Name: "GetMetadata",
HTTPMethod: "GET",
HTTPPath: path.Join("/", "meta-data", p),
}
output := &metadataOutput{}
req := c.NewRequest(op, nil, output)
return output.Content, req.Send()
}
// GetUserData returns the userdata that was configured for the service. If
// there is no user-data setup for the EC2 instance a "NotFoundError" error
// code will be returned.
func (c *EC2Metadata) GetUserData() (string, error) {
op := &request.Operation{
Name: "GetUserData",
HTTPMethod: "GET",
HTTPPath: path.Join("/", "user-data"),
}
output := &metadataOutput{}
req := c.NewRequest(op, nil, output)
req.Handlers.UnmarshalError.PushBack(func(r *request.Request) {
if r.HTTPResponse.StatusCode == http.StatusNotFound {
r.Error = awserr.New("NotFoundError", "user-data not found", r.Error)
}
})
return output.Content, req.Send()
}
// GetDynamicData uses the path provided to request information from the EC2
// instance metadata service for dynamic data. The content will be returned
// as a string, or error if the request failed.
func (c *EC2Metadata) GetDynamicData(p string) (string, error) {
op := &request.Operation{
Name: "GetDynamicData",
HTTPMethod: "GET",
HTTPPath: path.Join("/", "dynamic", p),
}
output := &metadataOutput{}
req := c.NewRequest(op, nil, output)
return output.Content, req.Send()
}
// GetInstanceIdentityDocument retrieves an identity document describing an
// instance. Error is returned if the request fails or is unable to parse
// the response.
func (c *EC2Metadata) GetInstanceIdentityDocument() (EC2InstanceIdentityDocument, error) {
resp, err := c.GetDynamicData("instance-identity/document")
if err != nil {
return EC2InstanceIdentityDocument{},
awserr.New("EC2MetadataRequestError",
"failed to get EC2 instance identity document", err)
}
doc := EC2InstanceIdentityDocument{}
if err := json.NewDecoder(strings.NewReader(resp)).Decode(&doc); err != nil {
return EC2InstanceIdentityDocument{},
awserr.New("SerializationError",
"failed to decode EC2 instance identity document", err)
}
return doc, nil
}
// IAMInfo retrieves IAM info from the metadata API
func (c *EC2Metadata) IAMInfo() (EC2IAMInfo, error) {
resp, err := c.GetMetadata("iam/info")
if err != nil {
return EC2IAMInfo{},
awserr.New("EC2MetadataRequestError",
"failed to get EC2 IAM info", err)
}
info := EC2IAMInfo{}
if err := json.NewDecoder(strings.NewReader(resp)).Decode(&info); err != nil {
return EC2IAMInfo{},
awserr.New("SerializationError",
"failed to decode EC2 IAM info", err)
}
if info.Code != "Success" {
errMsg := fmt.Sprintf("failed to get EC2 IAM Info (%s)", info.Code)
return EC2IAMInfo{},
awserr.New("EC2MetadataError", errMsg, nil)
}
return info, nil
}
// Region returns the region the instance is running in.
func (c *EC2Metadata) Region() (string, error) {
resp, err := c.GetMetadata("placement/availability-zone")
if err != nil {
return "", err
}
// returns region without the suffix. Eg: us-west-2a becomes us-west-2
return resp[:len(resp)-1], nil
}
// Available returns if the application has access to the EC2 Metadata service.
// Can be used to determine if application is running within an EC2 Instance and
// the metadata service is available.
func (c *EC2Metadata) Available() bool {
if _, err := c.GetMetadata("instance-id"); err != nil {
return false
}
return true
}
// An EC2IAMInfo provides the shape for unmarshalling
// an IAM info from the metadata API
type EC2IAMInfo struct {
Code string
LastUpdated time.Time
InstanceProfileArn string
InstanceProfileID string
}
// An EC2InstanceIdentityDocument provides the shape for unmarshalling
// an instance identity document
type EC2InstanceIdentityDocument struct {
DevpayProductCodes []string `json:"devpayProductCodes"`
AvailabilityZone string `json:"availabilityZone"`
PrivateIP string `json:"privateIp"`
Version string `json:"version"`
Region string `json:"region"`
InstanceID string `json:"instanceId"`
BillingProducts []string `json:"billingProducts"`
InstanceType string `json:"instanceType"`
AccountID string `json:"accountId"`
PendingTime time.Time `json:"pendingTime"`
ImageID string `json:"imageId"`
KernelID string `json:"kernelId"`
RamdiskID string `json:"ramdiskId"`
Architecture string `json:"architecture"`
}

124
vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go сгенерированный поставляемый Normal file
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// Package ec2metadata provides the client for making API calls to the
// EC2 Metadata service.
package ec2metadata
import (
"bytes"
"errors"
"io"
"net/http"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/client/metadata"
"github.com/aws/aws-sdk-go/aws/request"
)
// ServiceName is the name of the service.
const ServiceName = "ec2metadata"
// A EC2Metadata is an EC2 Metadata service Client.
type EC2Metadata struct {
*client.Client
}
// New creates a new instance of the EC2Metadata client with a session.
// This client is safe to use across multiple goroutines.
//
//
// Example:
// // Create a EC2Metadata client from just a session.
// svc := ec2metadata.New(mySession)
//
// // Create a EC2Metadata client with additional configuration
// svc := ec2metadata.New(mySession, aws.NewConfig().WithLogLevel(aws.LogDebugHTTPBody))
func New(p client.ConfigProvider, cfgs ...*aws.Config) *EC2Metadata {
c := p.ClientConfig(ServiceName, cfgs...)
return NewClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion)
}
// NewClient returns a new EC2Metadata client. Should be used to create
// a client when not using a session. Generally using just New with a session
// is preferred.
//
// If an unmodified HTTP client is provided from the stdlib default, or no client
// the EC2RoleProvider's EC2Metadata HTTP client's timeout will be shortened.
// To disable this set Config.EC2MetadataDisableTimeoutOverride to false. Enabled by default.
func NewClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion string, opts ...func(*client.Client)) *EC2Metadata {
if !aws.BoolValue(cfg.EC2MetadataDisableTimeoutOverride) && httpClientZero(cfg.HTTPClient) {
// If the http client is unmodified and this feature is not disabled
// set custom timeouts for EC2Metadata requests.
cfg.HTTPClient = &http.Client{
// use a shorter timeout than default because the metadata
// service is local if it is running, and to fail faster
// if not running on an ec2 instance.
Timeout: 5 * time.Second,
}
}
svc := &EC2Metadata{
Client: client.New(
cfg,
metadata.ClientInfo{
ServiceName: ServiceName,
Endpoint: endpoint,
APIVersion: "latest",
},
handlers,
),
}
svc.Handlers.Unmarshal.PushBack(unmarshalHandler)
svc.Handlers.UnmarshalError.PushBack(unmarshalError)
svc.Handlers.Validate.Clear()
svc.Handlers.Validate.PushBack(validateEndpointHandler)
// Add additional options to the service config
for _, option := range opts {
option(svc.Client)
}
return svc
}
func httpClientZero(c *http.Client) bool {
return c == nil || (c.Transport == nil && c.CheckRedirect == nil && c.Jar == nil && c.Timeout == 0)
}
type metadataOutput struct {
Content string
}
func unmarshalHandler(r *request.Request) {
defer r.HTTPResponse.Body.Close()
b := &bytes.Buffer{}
if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil {
r.Error = awserr.New("SerializationError", "unable to unmarshal EC2 metadata respose", err)
return
}
if data, ok := r.Data.(*metadataOutput); ok {
data.Content = b.String()
}
}
func unmarshalError(r *request.Request) {
defer r.HTTPResponse.Body.Close()
b := &bytes.Buffer{}
if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil {
r.Error = awserr.New("SerializationError", "unable to unmarshal EC2 metadata error respose", err)
return
}
// Response body format is not consistent between metadata endpoints.
// Grab the error message as a string and include that as the source error
r.Error = awserr.New("EC2MetadataError", "failed to make EC2Metadata request", errors.New(b.String()))
}
func validateEndpointHandler(r *request.Request) {
if r.ClientInfo.Endpoint == "" {
r.Error = aws.ErrMissingEndpoint
}
}

17
vendor/github.com/aws/aws-sdk-go/aws/errors.go сгенерированный поставляемый Normal file
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package aws
import "github.com/aws/aws-sdk-go/aws/awserr"
var (
// ErrMissingRegion is an error that is returned if region configuration is
// not found.
//
// @readonly
ErrMissingRegion = awserr.New("MissingRegion", "could not find region configuration", nil)
// ErrMissingEndpoint is an error that is returned if an endpoint cannot be
// resolved for a service.
//
// @readonly
ErrMissingEndpoint = awserr.New("MissingEndpoint", "'Endpoint' configuration is required for this service", nil)
)

112
vendor/github.com/aws/aws-sdk-go/aws/logger.go сгенерированный поставляемый Normal file
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package aws
import (
"log"
"os"
)
// A LogLevelType defines the level logging should be performed at. Used to instruct
// the SDK which statements should be logged.
type LogLevelType uint
// LogLevel returns the pointer to a LogLevel. Should be used to workaround
// not being able to take the address of a non-composite literal.
func LogLevel(l LogLevelType) *LogLevelType {
return &l
}
// Value returns the LogLevel value or the default value LogOff if the LogLevel
// is nil. Safe to use on nil value LogLevelTypes.
func (l *LogLevelType) Value() LogLevelType {
if l != nil {
return *l
}
return LogOff
}
// Matches returns true if the v LogLevel is enabled by this LogLevel. Should be
// used with logging sub levels. Is safe to use on nil value LogLevelTypes. If
// LogLevel is nill, will default to LogOff comparison.
func (l *LogLevelType) Matches(v LogLevelType) bool {
c := l.Value()
return c&v == v
}
// AtLeast returns true if this LogLevel is at least high enough to satisfies v.
// Is safe to use on nil value LogLevelTypes. If LogLevel is nill, will default
// to LogOff comparison.
func (l *LogLevelType) AtLeast(v LogLevelType) bool {
c := l.Value()
return c >= v
}
const (
// LogOff states that no logging should be performed by the SDK. This is the
// default state of the SDK, and should be use to disable all logging.
LogOff LogLevelType = iota * 0x1000
// LogDebug state that debug output should be logged by the SDK. This should
// be used to inspect request made and responses received.
LogDebug
)
// Debug Logging Sub Levels
const (
// LogDebugWithSigning states that the SDK should log request signing and
// presigning events. This should be used to log the signing details of
// requests for debugging. Will also enable LogDebug.
LogDebugWithSigning LogLevelType = LogDebug | (1 << iota)
// LogDebugWithHTTPBody states the SDK should log HTTP request and response
// HTTP bodys in addition to the headers and path. This should be used to
// see the body content of requests and responses made while using the SDK
// Will also enable LogDebug.
LogDebugWithHTTPBody
// LogDebugWithRequestRetries states the SDK should log when service requests will
// be retried. This should be used to log when you want to log when service
// requests are being retried. Will also enable LogDebug.
LogDebugWithRequestRetries
// LogDebugWithRequestErrors states the SDK should log when service requests fail
// to build, send, validate, or unmarshal.
LogDebugWithRequestErrors
)
// A Logger is a minimalistic interface for the SDK to log messages to. Should
// be used to provide custom logging writers for the SDK to use.
type Logger interface {
Log(...interface{})
}
// A LoggerFunc is a convenience type to convert a function taking a variadic
// list of arguments and wrap it so the Logger interface can be used.
//
// Example:
// s3.New(sess, &aws.Config{Logger: aws.LoggerFunc(func(args ...interface{}) {
// fmt.Fprintln(os.Stdout, args...)
// })})
type LoggerFunc func(...interface{})
// Log calls the wrapped function with the arguments provided
func (f LoggerFunc) Log(args ...interface{}) {
f(args...)
}
// NewDefaultLogger returns a Logger which will write log messages to stdout, and
// use same formatting runes as the stdlib log.Logger
func NewDefaultLogger() Logger {
return &defaultLogger{
logger: log.New(os.Stdout, "", log.LstdFlags),
}
}
// A defaultLogger provides a minimalistic logger satisfying the Logger interface.
type defaultLogger struct {
logger *log.Logger
}
// Log logs the parameters to the stdlib logger. See log.Println.
func (l defaultLogger) Log(args ...interface{}) {
l.logger.Println(args...)
}

187
vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go сгенерированный поставляемый Normal file
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package request
import (
"fmt"
"strings"
)
// A Handlers provides a collection of request handlers for various
// stages of handling requests.
type Handlers struct {
Validate HandlerList
Build HandlerList
Sign HandlerList
Send HandlerList
ValidateResponse HandlerList
Unmarshal HandlerList
UnmarshalMeta HandlerList
UnmarshalError HandlerList
Retry HandlerList
AfterRetry HandlerList
}
// Copy returns of this handler's lists.
func (h *Handlers) Copy() Handlers {
return Handlers{
Validate: h.Validate.copy(),
Build: h.Build.copy(),
Sign: h.Sign.copy(),
Send: h.Send.copy(),
ValidateResponse: h.ValidateResponse.copy(),
Unmarshal: h.Unmarshal.copy(),
UnmarshalError: h.UnmarshalError.copy(),
UnmarshalMeta: h.UnmarshalMeta.copy(),
Retry: h.Retry.copy(),
AfterRetry: h.AfterRetry.copy(),
}
}
// Clear removes callback functions for all handlers
func (h *Handlers) Clear() {
h.Validate.Clear()
h.Build.Clear()
h.Send.Clear()
h.Sign.Clear()
h.Unmarshal.Clear()
h.UnmarshalMeta.Clear()
h.UnmarshalError.Clear()
h.ValidateResponse.Clear()
h.Retry.Clear()
h.AfterRetry.Clear()
}
// A HandlerListRunItem represents an entry in the HandlerList which
// is being run.
type HandlerListRunItem struct {
Index int
Handler NamedHandler
Request *Request
}
// A HandlerList manages zero or more handlers in a list.
type HandlerList struct {
list []NamedHandler
// Called after each request handler in the list is called. If set
// and the func returns true the HandlerList will continue to iterate
// over the request handlers. If false is returned the HandlerList
// will stop iterating.
//
// Should be used if extra logic to be performed between each handler
// in the list. This can be used to terminate a list's iteration
// based on a condition such as error like, HandlerListStopOnError.
// Or for logging like HandlerListLogItem.
AfterEachFn func(item HandlerListRunItem) bool
}
// A NamedHandler is a struct that contains a name and function callback.
type NamedHandler struct {
Name string
Fn func(*Request)
}
// copy creates a copy of the handler list.
func (l *HandlerList) copy() HandlerList {
n := HandlerList{
AfterEachFn: l.AfterEachFn,
}
n.list = append([]NamedHandler{}, l.list...)
return n
}
// Clear clears the handler list.
func (l *HandlerList) Clear() {
l.list = []NamedHandler{}
}
// Len returns the number of handlers in the list.
func (l *HandlerList) Len() int {
return len(l.list)
}
// PushBack pushes handler f to the back of the handler list.
func (l *HandlerList) PushBack(f func(*Request)) {
l.list = append(l.list, NamedHandler{"__anonymous", f})
}
// PushFront pushes handler f to the front of the handler list.
func (l *HandlerList) PushFront(f func(*Request)) {
l.list = append([]NamedHandler{{"__anonymous", f}}, l.list...)
}
// PushBackNamed pushes named handler f to the back of the handler list.
func (l *HandlerList) PushBackNamed(n NamedHandler) {
l.list = append(l.list, n)
}
// PushFrontNamed pushes named handler f to the front of the handler list.
func (l *HandlerList) PushFrontNamed(n NamedHandler) {
l.list = append([]NamedHandler{n}, l.list...)
}
// Remove removes a NamedHandler n
func (l *HandlerList) Remove(n NamedHandler) {
newlist := []NamedHandler{}
for _, m := range l.list {
if m.Name != n.Name {
newlist = append(newlist, m)
}
}
l.list = newlist
}
// Run executes all handlers in the list with a given request object.
func (l *HandlerList) Run(r *Request) {
for i, h := range l.list {
h.Fn(r)
item := HandlerListRunItem{
Index: i, Handler: h, Request: r,
}
if l.AfterEachFn != nil && !l.AfterEachFn(item) {
return
}
}
}
// HandlerListLogItem logs the request handler and the state of the
// request's Error value. Always returns true to continue iterating
// request handlers in a HandlerList.
func HandlerListLogItem(item HandlerListRunItem) bool {
if item.Request.Config.Logger == nil {
return true
}
item.Request.Config.Logger.Log("DEBUG: RequestHandler",
item.Index, item.Handler.Name, item.Request.Error)
return true
}
// HandlerListStopOnError returns false to stop the HandlerList iterating
// over request handlers if Request.Error is not nil. True otherwise
// to continue iterating.
func HandlerListStopOnError(item HandlerListRunItem) bool {
return item.Request.Error == nil
}
// MakeAddToUserAgentHandler will add the name/version pair to the User-Agent request
// header. If the extra parameters are provided they will be added as metadata to the
// name/version pair resulting in the following format.
// "name/version (extra0; extra1; ...)"
// The user agent part will be concatenated with this current request's user agent string.
func MakeAddToUserAgentHandler(name, version string, extra ...string) func(*Request) {
ua := fmt.Sprintf("%s/%s", name, version)
if len(extra) > 0 {
ua += fmt.Sprintf(" (%s)", strings.Join(extra, "; "))
}
return func(r *Request) {
AddToUserAgent(r, ua)
}
}
// MakeAddToUserAgentFreeFormHandler adds the input to the User-Agent request header.
// The input string will be concatenated with the current request's user agent string.
func MakeAddToUserAgentFreeFormHandler(s string) func(*Request) {
return func(r *Request) {
AddToUserAgent(r, s)
}
}

24
vendor/github.com/aws/aws-sdk-go/aws/request/http_request.go сгенерированный поставляемый Normal file
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package request
import (
"io"
"net/http"
"net/url"
)
func copyHTTPRequest(r *http.Request, body io.ReadCloser) *http.Request {
req := new(http.Request)
*req = *r
req.URL = &url.URL{}
*req.URL = *r.URL
req.Body = body
req.Header = http.Header{}
for k, v := range r.Header {
for _, vv := range v {
req.Header.Add(k, vv)
}
}
return req
}

58
vendor/github.com/aws/aws-sdk-go/aws/request/offset_reader.go сгенерированный поставляемый Normal file
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package request
import (
"io"
"sync"
)
// offsetReader is a thread-safe io.ReadCloser to prevent racing
// with retrying requests
type offsetReader struct {
buf io.ReadSeeker
lock sync.Mutex
closed bool
}
func newOffsetReader(buf io.ReadSeeker, offset int64) *offsetReader {
reader := &offsetReader{}
buf.Seek(offset, 0)
reader.buf = buf
return reader
}
// Close will close the instance of the offset reader's access to
// the underlying io.ReadSeeker.
func (o *offsetReader) Close() error {
o.lock.Lock()
defer o.lock.Unlock()
o.closed = true
return nil
}
// Read is a thread-safe read of the underlying io.ReadSeeker
func (o *offsetReader) Read(p []byte) (int, error) {
o.lock.Lock()
defer o.lock.Unlock()
if o.closed {
return 0, io.EOF
}
return o.buf.Read(p)
}
// Seek is a thread-safe seeking operation.
func (o *offsetReader) Seek(offset int64, whence int) (int64, error) {
o.lock.Lock()
defer o.lock.Unlock()
return o.buf.Seek(offset, whence)
}
// CloseAndCopy will return a new offsetReader with a copy of the old buffer
// and close the old buffer.
func (o *offsetReader) CloseAndCopy(offset int64) *offsetReader {
o.Close()
return newOffsetReader(o.buf, offset)
}

344
vendor/github.com/aws/aws-sdk-go/aws/request/request.go сгенерированный поставляемый Normal file
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package request
import (
"bytes"
"fmt"
"io"
"net/http"
"net/url"
"reflect"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client/metadata"
)
// A Request is the service request to be made.
type Request struct {
Config aws.Config
ClientInfo metadata.ClientInfo
Handlers Handlers
Retryer
Time time.Time
ExpireTime time.Duration
Operation *Operation
HTTPRequest *http.Request
HTTPResponse *http.Response
Body io.ReadSeeker
BodyStart int64 // offset from beginning of Body that the request body starts
Params interface{}
Error error
Data interface{}
RequestID string
RetryCount int
Retryable *bool
RetryDelay time.Duration
NotHoist bool
SignedHeaderVals http.Header
LastSignedAt time.Time
built bool
// Need to persist an intermideant body betweend the input Body and HTTP
// request body because the HTTP Client's transport can maintain a reference
// to the HTTP request's body after the client has returned. This value is
// safe to use concurrently and rewraps the input Body for each HTTP request.
safeBody *offsetReader
}
// An Operation is the service API operation to be made.
type Operation struct {
Name string
HTTPMethod string
HTTPPath string
*Paginator
}
// Paginator keeps track of pagination configuration for an API operation.
type Paginator struct {
InputTokens []string
OutputTokens []string
LimitToken string
TruncationToken string
}
// New returns a new Request pointer for the service API
// operation and parameters.
//
// Params is any value of input parameters to be the request payload.
// Data is pointer value to an object which the request's response
// payload will be deserialized to.
func New(cfg aws.Config, clientInfo metadata.ClientInfo, handlers Handlers,
retryer Retryer, operation *Operation, params interface{}, data interface{}) *Request {
method := operation.HTTPMethod
if method == "" {
method = "POST"
}
httpReq, _ := http.NewRequest(method, "", nil)
var err error
httpReq.URL, err = url.Parse(clientInfo.Endpoint + operation.HTTPPath)
if err != nil {
httpReq.URL = &url.URL{}
err = awserr.New("InvalidEndpointURL", "invalid endpoint uri", err)
}
r := &Request{
Config: cfg,
ClientInfo: clientInfo,
Handlers: handlers.Copy(),
Retryer: retryer,
Time: time.Now(),
ExpireTime: 0,
Operation: operation,
HTTPRequest: httpReq,
Body: nil,
Params: params,
Error: err,
Data: data,
}
r.SetBufferBody([]byte{})
return r
}
// WillRetry returns if the request's can be retried.
func (r *Request) WillRetry() bool {
return r.Error != nil && aws.BoolValue(r.Retryable) && r.RetryCount < r.MaxRetries()
}
// ParamsFilled returns if the request's parameters have been populated
// and the parameters are valid. False is returned if no parameters are
// provided or invalid.
func (r *Request) ParamsFilled() bool {
return r.Params != nil && reflect.ValueOf(r.Params).Elem().IsValid()
}
// DataFilled returns true if the request's data for response deserialization
// target has been set and is a valid. False is returned if data is not
// set, or is invalid.
func (r *Request) DataFilled() bool {
return r.Data != nil && reflect.ValueOf(r.Data).Elem().IsValid()
}
// SetBufferBody will set the request's body bytes that will be sent to
// the service API.
func (r *Request) SetBufferBody(buf []byte) {
r.SetReaderBody(bytes.NewReader(buf))
}
// SetStringBody sets the body of the request to be backed by a string.
func (r *Request) SetStringBody(s string) {
r.SetReaderBody(strings.NewReader(s))
}
// SetReaderBody will set the request's body reader.
func (r *Request) SetReaderBody(reader io.ReadSeeker) {
r.Body = reader
r.ResetBody()
}
// Presign returns the request's signed URL. Error will be returned
// if the signing fails.
func (r *Request) Presign(expireTime time.Duration) (string, error) {
r.ExpireTime = expireTime
r.NotHoist = false
r.Sign()
if r.Error != nil {
return "", r.Error
}
return r.HTTPRequest.URL.String(), nil
}
// PresignRequest behaves just like presign, but hoists all headers and signs them.
// Also returns the signed hash back to the user
func (r *Request) PresignRequest(expireTime time.Duration) (string, http.Header, error) {
r.ExpireTime = expireTime
r.NotHoist = true
r.Sign()
if r.Error != nil {
return "", nil, r.Error
}
return r.HTTPRequest.URL.String(), r.SignedHeaderVals, nil
}
func debugLogReqError(r *Request, stage string, retrying bool, err error) {
if !r.Config.LogLevel.Matches(aws.LogDebugWithRequestErrors) {
return
}
retryStr := "not retrying"
if retrying {
retryStr = "will retry"
}
r.Config.Logger.Log(fmt.Sprintf("DEBUG: %s %s/%s failed, %s, error %v",
stage, r.ClientInfo.ServiceName, r.Operation.Name, retryStr, err))
}
// Build will build the request's object so it can be signed and sent
// to the service. Build will also validate all the request's parameters.
// Anny additional build Handlers set on this request will be run
// in the order they were set.
//
// The request will only be built once. Multiple calls to build will have
// no effect.
//
// If any Validate or Build errors occur the build will stop and the error
// which occurred will be returned.
func (r *Request) Build() error {
if !r.built {
r.Handlers.Validate.Run(r)
if r.Error != nil {
debugLogReqError(r, "Validate Request", false, r.Error)
return r.Error
}
r.Handlers.Build.Run(r)
if r.Error != nil {
debugLogReqError(r, "Build Request", false, r.Error)
return r.Error
}
r.built = true
}
return r.Error
}
// Sign will sign the request returning error if errors are encountered.
//
// Send will build the request prior to signing. All Sign Handlers will
// be executed in the order they were set.
func (r *Request) Sign() error {
r.Build()
if r.Error != nil {
debugLogReqError(r, "Build Request", false, r.Error)
return r.Error
}
r.Handlers.Sign.Run(r)
return r.Error
}
// ResetBody rewinds the request body backto its starting position, and
// set's the HTTP Request body reference. When the body is read prior
// to being sent in the HTTP request it will need to be rewound.
func (r *Request) ResetBody() {
if r.safeBody != nil {
r.safeBody.Close()
}
r.safeBody = newOffsetReader(r.Body, r.BodyStart)
r.HTTPRequest.Body = r.safeBody
}
// GetBody will return an io.ReadSeeker of the Request's underlying
// input body with a concurrency safe wrapper.
func (r *Request) GetBody() io.ReadSeeker {
return r.safeBody
}
// Send will send the request returning error if errors are encountered.
//
// Send will sign the request prior to sending. All Send Handlers will
// be executed in the order they were set.
//
// Canceling a request is non-deterministic. If a request has been canceled,
// then the transport will choose, randomly, one of the state channels during
// reads or getting the connection.
//
// readLoop() and getConn(req *Request, cm connectMethod)
// https://github.com/golang/go/blob/master/src/net/http/transport.go
//
// Send will not close the request.Request's body.
func (r *Request) Send() error {
for {
if aws.BoolValue(r.Retryable) {
if r.Config.LogLevel.Matches(aws.LogDebugWithRequestRetries) {
r.Config.Logger.Log(fmt.Sprintf("DEBUG: Retrying Request %s/%s, attempt %d",
r.ClientInfo.ServiceName, r.Operation.Name, r.RetryCount))
}
// The previous http.Request will have a reference to the r.Body
// and the HTTP Client's Transport may still be reading from
// the request's body even though the Client's Do returned.
r.HTTPRequest = copyHTTPRequest(r.HTTPRequest, nil)
r.ResetBody()
// Closing response body to ensure that no response body is leaked
// between retry attempts.
if r.HTTPResponse != nil && r.HTTPResponse.Body != nil {
r.HTTPResponse.Body.Close()
}
}
r.Sign()
if r.Error != nil {
return r.Error
}
r.Retryable = nil
r.Handlers.Send.Run(r)
if r.Error != nil {
if strings.Contains(r.Error.Error(), "net/http: request canceled") {
return r.Error
}
err := r.Error
r.Handlers.Retry.Run(r)
r.Handlers.AfterRetry.Run(r)
if r.Error != nil {
debugLogReqError(r, "Send Request", false, r.Error)
return r.Error
}
debugLogReqError(r, "Send Request", true, err)
continue
}
r.Handlers.UnmarshalMeta.Run(r)
r.Handlers.ValidateResponse.Run(r)
if r.Error != nil {
err := r.Error
r.Handlers.UnmarshalError.Run(r)
r.Handlers.Retry.Run(r)
r.Handlers.AfterRetry.Run(r)
if r.Error != nil {
debugLogReqError(r, "Validate Response", false, r.Error)
return r.Error
}
debugLogReqError(r, "Validate Response", true, err)
continue
}
r.Handlers.Unmarshal.Run(r)
if r.Error != nil {
err := r.Error
r.Handlers.Retry.Run(r)
r.Handlers.AfterRetry.Run(r)
if r.Error != nil {
debugLogReqError(r, "Unmarshal Response", false, r.Error)
return r.Error
}
debugLogReqError(r, "Unmarshal Response", true, err)
continue
}
break
}
return nil
}
// AddToUserAgent adds the string to the end of the request's current user agent.
func AddToUserAgent(r *Request, s string) {
curUA := r.HTTPRequest.Header.Get("User-Agent")
if len(curUA) > 0 {
s = curUA + " " + s
}
r.HTTPRequest.Header.Set("User-Agent", s)
}

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vendor/github.com/aws/aws-sdk-go/aws/request/request_pagination.go сгенерированный поставляемый Normal file
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package request
import (
"reflect"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awsutil"
)
//type Paginater interface {
// HasNextPage() bool
// NextPage() *Request
// EachPage(fn func(data interface{}, isLastPage bool) (shouldContinue bool)) error
//}
// HasNextPage returns true if this request has more pages of data available.
func (r *Request) HasNextPage() bool {
return len(r.nextPageTokens()) > 0
}
// nextPageTokens returns the tokens to use when asking for the next page of
// data.
func (r *Request) nextPageTokens() []interface{} {
if r.Operation.Paginator == nil {
return nil
}
if r.Operation.TruncationToken != "" {
tr, _ := awsutil.ValuesAtPath(r.Data, r.Operation.TruncationToken)
if len(tr) == 0 {
return nil
}
switch v := tr[0].(type) {
case *bool:
if !aws.BoolValue(v) {
return nil
}
case bool:
if v == false {
return nil
}
}
}
tokens := []interface{}{}
tokenAdded := false
for _, outToken := range r.Operation.OutputTokens {
v, _ := awsutil.ValuesAtPath(r.Data, outToken)
if len(v) > 0 {
tokens = append(tokens, v[0])
tokenAdded = true
} else {
tokens = append(tokens, nil)
}
}
if !tokenAdded {
return nil
}
return tokens
}
// NextPage returns a new Request that can be executed to return the next
// page of result data. Call .Send() on this request to execute it.
func (r *Request) NextPage() *Request {
tokens := r.nextPageTokens()
if len(tokens) == 0 {
return nil
}
data := reflect.New(reflect.TypeOf(r.Data).Elem()).Interface()
nr := New(r.Config, r.ClientInfo, r.Handlers, r.Retryer, r.Operation, awsutil.CopyOf(r.Params), data)
for i, intok := range nr.Operation.InputTokens {
awsutil.SetValueAtPath(nr.Params, intok, tokens[i])
}
return nr
}
// EachPage iterates over each page of a paginated request object. The fn
// parameter should be a function with the following sample signature:
//
// func(page *T, lastPage bool) bool {
// return true // return false to stop iterating
// }
//
// Where "T" is the structure type matching the output structure of the given
// operation. For example, a request object generated by
// DynamoDB.ListTablesRequest() would expect to see dynamodb.ListTablesOutput
// as the structure "T". The lastPage value represents whether the page is
// the last page of data or not. The return value of this function should
// return true to keep iterating or false to stop.
func (r *Request) EachPage(fn func(data interface{}, isLastPage bool) (shouldContinue bool)) error {
for page := r; page != nil; page = page.NextPage() {
if err := page.Send(); err != nil {
return err
}
if getNextPage := fn(page.Data, !page.HasNextPage()); !getNextPage {
return page.Error
}
}
return nil
}

101
vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go сгенерированный поставляемый Normal file
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package request
import (
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
)
// Retryer is an interface to control retry logic for a given service.
// The default implementation used by most services is the service.DefaultRetryer
// structure, which contains basic retry logic using exponential backoff.
type Retryer interface {
RetryRules(*Request) time.Duration
ShouldRetry(*Request) bool
MaxRetries() int
}
// WithRetryer sets a config Retryer value to the given Config returning it
// for chaining.
func WithRetryer(cfg *aws.Config, retryer Retryer) *aws.Config {
cfg.Retryer = retryer
return cfg
}
// retryableCodes is a collection of service response codes which are retry-able
// without any further action.
var retryableCodes = map[string]struct{}{
"RequestError": {},
"RequestTimeout": {},
}
var throttleCodes = map[string]struct{}{
"ProvisionedThroughputExceededException": {},
"Throttling": {},
"ThrottlingException": {},
"RequestLimitExceeded": {},
"RequestThrottled": {},
"LimitExceededException": {}, // Deleting 10+ DynamoDb tables at once
"TooManyRequestsException": {}, // Lambda functions
}
// credsExpiredCodes is a collection of error codes which signify the credentials
// need to be refreshed. Expired tokens require refreshing of credentials, and
// resigning before the request can be retried.
var credsExpiredCodes = map[string]struct{}{
"ExpiredToken": {},
"ExpiredTokenException": {},
"RequestExpired": {}, // EC2 Only
}
func isCodeThrottle(code string) bool {
_, ok := throttleCodes[code]
return ok
}
func isCodeRetryable(code string) bool {
if _, ok := retryableCodes[code]; ok {
return true
}
return isCodeExpiredCreds(code)
}
func isCodeExpiredCreds(code string) bool {
_, ok := credsExpiredCodes[code]
return ok
}
// IsErrorRetryable returns whether the error is retryable, based on its Code.
// Returns false if the request has no Error set.
func (r *Request) IsErrorRetryable() bool {
if r.Error != nil {
if err, ok := r.Error.(awserr.Error); ok {
return isCodeRetryable(err.Code())
}
}
return false
}
// IsErrorThrottle returns whether the error is to be throttled based on its code.
// Returns false if the request has no Error set
func (r *Request) IsErrorThrottle() bool {
if r.Error != nil {
if err, ok := r.Error.(awserr.Error); ok {
return isCodeThrottle(err.Code())
}
}
return false
}
// IsErrorExpired returns whether the error code is a credential expiry error.
// Returns false if the request has no Error set.
func (r *Request) IsErrorExpired() bool {
if r.Error != nil {
if err, ok := r.Error.(awserr.Error); ok {
return isCodeExpiredCreds(err.Code())
}
}
return false
}

234
vendor/github.com/aws/aws-sdk-go/aws/request/validation.go сгенерированный поставляемый Normal file
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package request
import (
"bytes"
"fmt"
"github.com/aws/aws-sdk-go/aws/awserr"
)
const (
// InvalidParameterErrCode is the error code for invalid parameters errors
InvalidParameterErrCode = "InvalidParameter"
// ParamRequiredErrCode is the error code for required parameter errors
ParamRequiredErrCode = "ParamRequiredError"
// ParamMinValueErrCode is the error code for fields with too low of a
// number value.
ParamMinValueErrCode = "ParamMinValueError"
// ParamMinLenErrCode is the error code for fields without enough elements.
ParamMinLenErrCode = "ParamMinLenError"
)
// Validator provides a way for types to perform validation logic on their
// input values that external code can use to determine if a type's values
// are valid.
type Validator interface {
Validate() error
}
// An ErrInvalidParams provides wrapping of invalid parameter errors found when
// validating API operation input parameters.
type ErrInvalidParams struct {
// Context is the base context of the invalid parameter group.
Context string
errs []ErrInvalidParam
}
// Add adds a new invalid parameter error to the collection of invalid
// parameters. The context of the invalid parameter will be updated to reflect
// this collection.
func (e *ErrInvalidParams) Add(err ErrInvalidParam) {
err.SetContext(e.Context)
e.errs = append(e.errs, err)
}
// AddNested adds the invalid parameter errors from another ErrInvalidParams
// value into this collection. The nested errors will have their nested context
// updated and base context to reflect the merging.
//
// Use for nested validations errors.
func (e *ErrInvalidParams) AddNested(nestedCtx string, nested ErrInvalidParams) {
for _, err := range nested.errs {
err.SetContext(e.Context)
err.AddNestedContext(nestedCtx)
e.errs = append(e.errs, err)
}
}
// Len returns the number of invalid parameter errors
func (e ErrInvalidParams) Len() int {
return len(e.errs)
}
// Code returns the code of the error
func (e ErrInvalidParams) Code() string {
return InvalidParameterErrCode
}
// Message returns the message of the error
func (e ErrInvalidParams) Message() string {
return fmt.Sprintf("%d validation error(s) found.", len(e.errs))
}
// Error returns the string formatted form of the invalid parameters.
func (e ErrInvalidParams) Error() string {
w := &bytes.Buffer{}
fmt.Fprintf(w, "%s: %s\n", e.Code(), e.Message())
for _, err := range e.errs {
fmt.Fprintf(w, "- %s\n", err.Message())
}
return w.String()
}
// OrigErr returns the invalid parameters as a awserr.BatchedErrors value
func (e ErrInvalidParams) OrigErr() error {
return awserr.NewBatchError(
InvalidParameterErrCode, e.Message(), e.OrigErrs())
}
// OrigErrs returns a slice of the invalid parameters
func (e ErrInvalidParams) OrigErrs() []error {
errs := make([]error, len(e.errs))
for i := 0; i < len(errs); i++ {
errs[i] = e.errs[i]
}
return errs
}
// An ErrInvalidParam represents an invalid parameter error type.
type ErrInvalidParam interface {
awserr.Error
// Field name the error occurred on.
Field() string
// SetContext updates the context of the error.
SetContext(string)
// AddNestedContext updates the error's context to include a nested level.
AddNestedContext(string)
}
type errInvalidParam struct {
context string
nestedContext string
field string
code string
msg string
}
// Code returns the error code for the type of invalid parameter.
func (e *errInvalidParam) Code() string {
return e.code
}
// Message returns the reason the parameter was invalid, and its context.
func (e *errInvalidParam) Message() string {
return fmt.Sprintf("%s, %s.", e.msg, e.Field())
}
// Error returns the string version of the invalid parameter error.
func (e *errInvalidParam) Error() string {
return fmt.Sprintf("%s: %s", e.code, e.Message())
}
// OrigErr returns nil, Implemented for awserr.Error interface.
func (e *errInvalidParam) OrigErr() error {
return nil
}
// Field Returns the field and context the error occurred.
func (e *errInvalidParam) Field() string {
field := e.context
if len(field) > 0 {
field += "."
}
if len(e.nestedContext) > 0 {
field += fmt.Sprintf("%s.", e.nestedContext)
}
field += e.field
return field
}
// SetContext updates the base context of the error.
func (e *errInvalidParam) SetContext(ctx string) {
e.context = ctx
}
// AddNestedContext prepends a context to the field's path.
func (e *errInvalidParam) AddNestedContext(ctx string) {
if len(e.nestedContext) == 0 {
e.nestedContext = ctx
} else {
e.nestedContext = fmt.Sprintf("%s.%s", ctx, e.nestedContext)
}
}
// An ErrParamRequired represents an required parameter error.
type ErrParamRequired struct {
errInvalidParam
}
// NewErrParamRequired creates a new required parameter error.
func NewErrParamRequired(field string) *ErrParamRequired {
return &ErrParamRequired{
errInvalidParam{
code: ParamRequiredErrCode,
field: field,
msg: fmt.Sprintf("missing required field"),
},
}
}
// An ErrParamMinValue represents a minimum value parameter error.
type ErrParamMinValue struct {
errInvalidParam
min float64
}
// NewErrParamMinValue creates a new minimum value parameter error.
func NewErrParamMinValue(field string, min float64) *ErrParamMinValue {
return &ErrParamMinValue{
errInvalidParam: errInvalidParam{
code: ParamMinValueErrCode,
field: field,
msg: fmt.Sprintf("minimum field value of %v", min),
},
min: min,
}
}
// MinValue returns the field's require minimum value.
//
// float64 is returned for both int and float min values.
func (e *ErrParamMinValue) MinValue() float64 {
return e.min
}
// An ErrParamMinLen represents a minimum length parameter error.
type ErrParamMinLen struct {
errInvalidParam
min int
}
// NewErrParamMinLen creates a new minimum length parameter error.
func NewErrParamMinLen(field string, min int) *ErrParamMinLen {
return &ErrParamMinLen{
errInvalidParam: errInvalidParam{
code: ParamMinValueErrCode,
field: field,
msg: fmt.Sprintf("minimum field size of %v", min),
},
min: min,
}
}
// MinLen returns the field's required minimum length.
func (e *ErrParamMinLen) MinLen() int {
return e.min
}

223
vendor/github.com/aws/aws-sdk-go/aws/session/doc.go сгенерированный поставляемый Normal file
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/*
Package session provides configuration for the SDK's service clients.
Sessions can be shared across all service clients that share the same base
configuration. The Session is built from the SDK's default configuration and
request handlers.
Sessions should be cached when possible, because creating a new Session will
load all configuration values from the environment, and config files each time
the Session is created. Sharing the Session value across all of your service
clients will ensure the configuration is loaded the fewest number of times possible.
Concurrency
Sessions are safe to use concurrently as long as the Session is not being
modified. The SDK will not modify the Session once the Session has been created.
Creating service clients concurrently from a shared Session is safe.
Sessions from Shared Config
Sessions can be created using the method above that will only load the
additional config if the AWS_SDK_LOAD_CONFIG environment variable is set.
Alternatively you can explicitly create a Session with shared config enabled.
To do this you can use NewSessionWithOptions to configure how the Session will
be created. Using the NewSessionWithOptions with SharedConfigState set to
SharedConfigEnabled will create the session as if the AWS_SDK_LOAD_CONFIG
environment variable was set.
Creating Sessions
When creating Sessions optional aws.Config values can be passed in that will
override the default, or loaded config values the Session is being created
with. This allows you to provide additional, or case based, configuration
as needed.
By default NewSession will only load credentials from the shared credentials
file (~/.aws/credentials). If the AWS_SDK_LOAD_CONFIG environment variable is
set to a truthy value the Session will be created from the configuration
values from the shared config (~/.aws/config) and shared credentials
(~/.aws/credentials) files. See the section Sessions from Shared Config for
more information.
Create a Session with the default config and request handlers. With credentials
region, and profile loaded from the environment and shared config automatically.
Requires the AWS_PROFILE to be set, or "default" is used.
// Create Session
sess, err := session.NewSession()
// Create a Session with a custom region
sess, err := session.NewSession(&aws.Config{Region: aws.String("us-east-1")})
// Create a S3 client instance from a session
sess, err := session.NewSession()
if err != nil {
// Handle Session creation error
}
svc := s3.New(sess)
Create Session With Option Overrides
In addition to NewSession, Sessions can be created using NewSessionWithOptions.
This func allows you to control and override how the Session will be created
through code instead of being driven by environment variables only.
Use NewSessionWithOptions when you want to provide the config profile, or
override the shared config state (AWS_SDK_LOAD_CONFIG).
// Equivalent to session.NewSession()
sess, err := session.NewSessionWithOptions(session.Options{})
// Specify profile to load for the session's config
sess, err := session.NewSessionWithOptions(session.Options{
Profile: "profile_name",
})
// Specify profile for config and region for requests
sess, err := session.NewSessionWithOptions(session.Options{
Config: aws.Config{Region: aws.String("us-east-1")},
Profile: "profile_name",
})
// Force enable Shared Config support
sess, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: SharedConfigEnable,
})
Adding Handlers
You can add handlers to a session for processing HTTP requests. All service
clients that use the session inherit the handlers. For example, the following
handler logs every request and its payload made by a service client:
// Create a session, and add additional handlers for all service
// clients created with the Session to inherit. Adds logging handler.
sess, err := session.NewSession()
sess.Handlers.Send.PushFront(func(r *request.Request) {
// Log every request made and its payload
logger.Println("Request: %s/%s, Payload: %s",
r.ClientInfo.ServiceName, r.Operation, r.Params)
})
Deprecated "New" function
The New session function has been deprecated because it does not provide good
way to return errors that occur when loading the configuration files and values.
Because of this, NewSession was created so errors can be retrieved when
creating a session fails.
Shared Config Fields
By default the SDK will only load the shared credentials file's (~/.aws/credentials)
credentials values, and all other config is provided by the environment variables,
SDK defaults, and user provided aws.Config values.
If the AWS_SDK_LOAD_CONFIG environment variable is set, or SharedConfigEnable
option is used to create the Session the full shared config values will be
loaded. This includes credentials, region, and support for assume role. In
addition the Session will load its configuration from both the shared config
file (~/.aws/config) and shared credentials file (~/.aws/credentials). Both
files have the same format.
If both config files are present the configuration from both files will be
read. The Session will be created from configuration values from the shared
credentials file (~/.aws/credentials) over those in the shared credentials
file (~/.aws/config).
Credentials are the values the SDK should use for authenticating requests with
AWS Services. They arfrom a configuration file will need to include both
aws_access_key_id and aws_secret_access_key must be provided together in the
same file to be considered valid. The values will be ignored if not a complete
group. aws_session_token is an optional field that can be provided if both of
the other two fields are also provided.
aws_access_key_id = AKID
aws_secret_access_key = SECRET
aws_session_token = TOKEN
Assume Role values allow you to configure the SDK to assume an IAM role using
a set of credentials provided in a config file via the source_profile field.
Both "role_arn" and "source_profile" are required. The SDK does not support
assuming a role with MFA token Via the Session's constructor. You can use the
stscreds.AssumeRoleProvider credentials provider to specify custom
configuration and support for MFA.
role_arn = arn:aws:iam::<account_number>:role/<role_name>
source_profile = profile_with_creds
external_id = 1234
mfa_serial = not supported!
role_session_name = session_name
Region is the region the SDK should use for looking up AWS service endpoints
and signing requests.
region = us-east-1
Environment Variables
When a Session is created several environment variables can be set to adjust
how the SDK functions, and what configuration data it loads when creating
Sessions. All environment values are optional, but some values like credentials
require multiple of the values to set or the partial values will be ignored.
All environment variable values are strings unless otherwise noted.
Environment configuration values. If set both Access Key ID and Secret Access
Key must be provided. Session Token and optionally also be provided, but is
not required.
# Access Key ID
AWS_ACCESS_KEY_ID=AKID
AWS_ACCESS_KEY=AKID # only read if AWS_ACCESS_KEY_ID is not set.
# Secret Access Key
AWS_SECRET_ACCESS_KEY=SECRET
AWS_SECRET_KEY=SECRET=SECRET # only read if AWS_SECRET_ACCESS_KEY is not set.
# Session Token
AWS_SESSION_TOKEN=TOKEN
Region value will instruct the SDK where to make service API requests to. If is
not provided in the environment the region must be provided before a service
client request is made.
AWS_REGION=us-east-1
# AWS_DEFAULT_REGION is only read if AWS_SDK_LOAD_CONFIG is also set,
# and AWS_REGION is not also set.
AWS_DEFAULT_REGION=us-east-1
Profile name the SDK should load use when loading shared config from the
configuration files. If not provided "default" will be used as the profile name.
AWS_PROFILE=my_profile
# AWS_DEFAULT_PROFILE is only read if AWS_SDK_LOAD_CONFIG is also set,
# and AWS_PROFILE is not also set.
AWS_DEFAULT_PROFILE=my_profile
SDK load config instructs the SDK to load the shared config in addition to
shared credentials. This also expands the configuration loaded so the shared
credentials will have parity with the shared config file. This also enables
Region and Profile support for the AWS_DEFAULT_REGION and AWS_DEFAULT_PROFILE
env values as well.
AWS_SDK_LOAD_CONFIG=1
Shared credentials file path can be set to instruct the SDK to use an alternative
file for the shared credentials. If not set the file will be loaded from
$HOME/.aws/credentials on Linux/Unix based systems, and
%USERPROFILE%\.aws\credentials on Windows.
AWS_SHARED_CREDENTIALS_FILE=$HOME/my_shared_credentials
Shared config file path can be set to instruct the SDK to use an alternative
file for the shared config. If not set the file will be loaded from
$HOME/.aws/config on Linux/Unix based systems, and
%USERPROFILE%\.aws\config on Windows.
AWS_CONFIG_FILE=$HOME/my_shared_config
*/
package session

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vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go сгенерированный поставляемый Normal file
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package session
import (
"os"
"path/filepath"
"strconv"
"github.com/aws/aws-sdk-go/aws/credentials"
)
// envConfig is a collection of environment values the SDK will read
// setup config from. All environment values are optional. But some values
// such as credentials require multiple values to be complete or the values
// will be ignored.
type envConfig struct {
// Environment configuration values. If set both Access Key ID and Secret Access
// Key must be provided. Session Token and optionally also be provided, but is
// not required.
//
// # Access Key ID
// AWS_ACCESS_KEY_ID=AKID
// AWS_ACCESS_KEY=AKID # only read if AWS_ACCESS_KEY_ID is not set.
//
// # Secret Access Key
// AWS_SECRET_ACCESS_KEY=SECRET
// AWS_SECRET_KEY=SECRET=SECRET # only read if AWS_SECRET_ACCESS_KEY is not set.
//
// # Session Token
// AWS_SESSION_TOKEN=TOKEN
Creds credentials.Value
// Region value will instruct the SDK where to make service API requests to. If is
// not provided in the environment the region must be provided before a service
// client request is made.
//
// AWS_REGION=us-east-1
//
// # AWS_DEFAULT_REGION is only read if AWS_SDK_LOAD_CONFIG is also set,
// # and AWS_REGION is not also set.
// AWS_DEFAULT_REGION=us-east-1
Region string
// Profile name the SDK should load use when loading shared configuration from the
// shared configuration files. If not provided "default" will be used as the
// profile name.
//
// AWS_PROFILE=my_profile
//
// # AWS_DEFAULT_PROFILE is only read if AWS_SDK_LOAD_CONFIG is also set,
// # and AWS_PROFILE is not also set.
// AWS_DEFAULT_PROFILE=my_profile
Profile string
// SDK load config instructs the SDK to load the shared config in addition to
// shared credentials. This also expands the configuration loaded from the shared
// credentials to have parity with the shared config file. This also enables
// Region and Profile support for the AWS_DEFAULT_REGION and AWS_DEFAULT_PROFILE
// env values as well.
//
// AWS_SDK_LOAD_CONFIG=1
EnableSharedConfig bool
// Shared credentials file path can be set to instruct the SDK to use an alternate
// file for the shared credentials. If not set the file will be loaded from
// $HOME/.aws/credentials on Linux/Unix based systems, and
// %USERPROFILE%\.aws\credentials on Windows.
//
// AWS_SHARED_CREDENTIALS_FILE=$HOME/my_shared_credentials
SharedCredentialsFile string
// Shared config file path can be set to instruct the SDK to use an alternate
// file for the shared config. If not set the file will be loaded from
// $HOME/.aws/config on Linux/Unix based systems, and
// %USERPROFILE%\.aws\config on Windows.
//
// AWS_CONFIG_FILE=$HOME/my_shared_config
SharedConfigFile string
}
var (
credAccessEnvKey = []string{
"AWS_ACCESS_KEY_ID",
"AWS_ACCESS_KEY",
}
credSecretEnvKey = []string{
"AWS_SECRET_ACCESS_KEY",
"AWS_SECRET_KEY",
}
credSessionEnvKey = []string{
"AWS_SESSION_TOKEN",
}
regionEnvKeys = []string{
"AWS_REGION",
"AWS_DEFAULT_REGION", // Only read if AWS_SDK_LOAD_CONFIG is also set
}
profileEnvKeys = []string{
"AWS_PROFILE",
"AWS_DEFAULT_PROFILE", // Only read if AWS_SDK_LOAD_CONFIG is also set
}
)
// loadEnvConfig retrieves the SDK's environment configuration.
// See `envConfig` for the values that will be retrieved.
//
// If the environment variable `AWS_SDK_LOAD_CONFIG` is set to a truthy value
// the shared SDK config will be loaded in addition to the SDK's specific
// configuration values.
func loadEnvConfig() envConfig {
enableSharedConfig, _ := strconv.ParseBool(os.Getenv("AWS_SDK_LOAD_CONFIG"))
return envConfigLoad(enableSharedConfig)
}
// loadEnvSharedConfig retrieves the SDK's environment configuration, and the
// SDK shared config. See `envConfig` for the values that will be retrieved.
//
// Loads the shared configuration in addition to the SDK's specific configuration.
// This will load the same values as `loadEnvConfig` if the `AWS_SDK_LOAD_CONFIG`
// environment variable is set.
func loadSharedEnvConfig() envConfig {
return envConfigLoad(true)
}
func envConfigLoad(enableSharedConfig bool) envConfig {
cfg := envConfig{}
cfg.EnableSharedConfig = enableSharedConfig
setFromEnvVal(&cfg.Creds.AccessKeyID, credAccessEnvKey)
setFromEnvVal(&cfg.Creds.SecretAccessKey, credSecretEnvKey)
setFromEnvVal(&cfg.Creds.SessionToken, credSessionEnvKey)
// Require logical grouping of credentials
if len(cfg.Creds.AccessKeyID) == 0 || len(cfg.Creds.SecretAccessKey) == 0 {
cfg.Creds = credentials.Value{}
} else {
cfg.Creds.ProviderName = "EnvConfigCredentials"
}
regionKeys := regionEnvKeys
profileKeys := profileEnvKeys
if !cfg.EnableSharedConfig {
regionKeys = regionKeys[:1]
profileKeys = profileKeys[:1]
}
setFromEnvVal(&cfg.Region, regionKeys)
setFromEnvVal(&cfg.Profile, profileKeys)
cfg.SharedCredentialsFile = sharedCredentialsFilename()
cfg.SharedConfigFile = sharedConfigFilename()
return cfg
}
func setFromEnvVal(dst *string, keys []string) {
for _, k := range keys {
if v := os.Getenv(k); len(v) > 0 {
*dst = v
break
}
}
}
func sharedCredentialsFilename() string {
if name := os.Getenv("AWS_SHARED_CREDENTIALS_FILE"); len(name) > 0 {
return name
}
return filepath.Join(userHomeDir(), ".aws", "credentials")
}
func sharedConfigFilename() string {
if name := os.Getenv("AWS_CONFIG_FILE"); len(name) > 0 {
return name
}
return filepath.Join(userHomeDir(), ".aws", "config")
}
func userHomeDir() string {
homeDir := os.Getenv("HOME") // *nix
if len(homeDir) == 0 { // windows
homeDir = os.Getenv("USERPROFILE")
}
return homeDir
}

393
vendor/github.com/aws/aws-sdk-go/aws/session/session.go сгенерированный поставляемый Normal file
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package session
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/corehandlers"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
"github.com/aws/aws-sdk-go/aws/defaults"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/endpoints"
)
// A Session provides a central location to create service clients from and
// store configurations and request handlers for those services.
//
// Sessions are safe to create service clients concurrently, but it is not safe
// to mutate the Session concurrently.
//
// The Session satisfies the service client's client.ClientConfigProvider.
type Session struct {
Config *aws.Config
Handlers request.Handlers
}
// New creates a new instance of the handlers merging in the provided configs
// on top of the SDK's default configurations. Once the Session is created it
// can be mutated to modify the Config or Handlers. The Session is safe to be
// read concurrently, but it should not be written to concurrently.
//
// If the AWS_SDK_LOAD_CONFIG environment is set to a truthy value, the New
// method could now encounter an error when loading the configuration. When
// The environment variable is set, and an error occurs, New will return a
// session that will fail all requests reporting the error that occured while
// loading the session. Use NewSession to get the error when creating the
// session.
//
// If the AWS_SDK_LOAD_CONFIG environment variable is set to a truthy value
// the shared config file (~/.aws/config) will also be loaded, in addition to
// the shared credentials file (~/.aws/config). Values set in both the
// shared config, and shared credentials will be taken from the shared
// credentials file.
//
// Deprecated: Use NewSession functiions to create sessions instead. NewSession
// has the same functionality as New except an error can be returned when the
// func is called instead of waiting to receive an error until a request is made.
func New(cfgs ...*aws.Config) *Session {
// load initial config from environment
envCfg := loadEnvConfig()
if envCfg.EnableSharedConfig {
s, err := newSession(envCfg, cfgs...)
if err != nil {
// Old session.New expected all errors to be discovered when
// a request is made, and would report the errors then. This
// needs to be replicated if an error occurs while creating
// the session.
msg := "failed to create session with AWS_SDK_LOAD_CONFIG enabled. " +
"Use session.NewSession to handle errors occuring during session creation."
// Session creation failed, need to report the error and prevent
// any requests from succeeding.
s = &Session{Config: defaults.Config()}
s.Config.MergeIn(cfgs...)
s.Config.Logger.Log("ERROR:", msg, "Error:", err)
s.Handlers.Validate.PushBack(func(r *request.Request) {
r.Error = err
})
}
return s
}
return oldNewSession(cfgs...)
}
// NewSession returns a new Session created from SDK defaults, config files,
// environment, and user provided config files. Once the Session is created
// it can be mutated to modify the Config or Handlers. The Session is safe to
// be read concurrently, but it should not be written to concurrently.
//
// If the AWS_SDK_LOAD_CONFIG environment variable is set to a truthy value
// the shared config file (~/.aws/config) will also be loaded in addition to
// the shared credentials file (~/.aws/config). Values set in both the
// shared config, and shared credentials will be taken from the shared
// credentials file. Enabling the Shared Config will also allow the Session
// to be built with retrieving credentials with AssumeRole set in the config.
//
// See the NewSessionWithOptions func for information on how to override or
// control through code how the Session will be created. Such as specifing the
// config profile, and controlling if shared config is enabled or not.
func NewSession(cfgs ...*aws.Config) (*Session, error) {
envCfg := loadEnvConfig()
return newSession(envCfg, cfgs...)
}
// SharedConfigState provides the ability to optionally override the state
// of the session's creation based on the shared config being enabled or
// disabled.
type SharedConfigState int
const (
// SharedConfigStateFromEnv does not override any state of the
// AWS_SDK_LOAD_CONFIG env var. It is the default value of the
// SharedConfigState type.
SharedConfigStateFromEnv SharedConfigState = iota
// SharedConfigDisable overrides the AWS_SDK_LOAD_CONFIG env var value
// and disables the shared config functionality.
SharedConfigDisable
// SharedConfigEnable overrides the AWS_SDK_LOAD_CONFIG env var value
// and enables the shared config functionality.
SharedConfigEnable
)
// Options provides the means to control how a Session is created and what
// configuration values will be loaded.
//
type Options struct {
// Provides config values for the SDK to use when creating service clients
// and making API requests to services. Any value set in with this field
// will override the associated value provided by the SDK defaults,
// environment or config files where relevent.
//
// If not set, configuration values from from SDK defaults, environment,
// config will be used.
Config aws.Config
// Overrides the config profile the Session should be created from. If not
// set the value of the environment variable will be loaded (AWS_PROFILE,
// or AWS_DEFAULT_PROFILE if the Shared Config is enabled).
//
// If not set and environment variables are not set the "default"
// (DefaultSharedConfigProfile) will be used as the profile to load the
// session config from.
Profile string
// Instructs how the Session will be created based on the AWS_SDK_LOAD_CONFIG
// environment variable. By default a Session will be created using the
// value provided by the AWS_SDK_LOAD_CONFIG environment variable.
//
// Setting this value to SharedConfigEnable or SharedConfigDisable
// will allow you to override the AWS_SDK_LOAD_CONFIG environment variable
// and enable or disable the shared config functionality.
SharedConfigState SharedConfigState
}
// NewSessionWithOptions returns a new Session created from SDK defaults, config files,
// environment, and user provided config files. This func uses the Options
// values to configure how the Session is created.
//
// If the AWS_SDK_LOAD_CONFIG environment variable is set to a truthy value
// the shared config file (~/.aws/config) will also be loaded in addition to
// the shared credentials file (~/.aws/config). Values set in both the
// shared config, and shared credentials will be taken from the shared
// credentials file. Enabling the Shared Config will also allow the Session
// to be built with retrieving credentials with AssumeRole set in the config.
//
// // Equivalent to session.New
// sess, err := session.NewSessionWithOptions(session.Options{})
//
// // Specify profile to load for the session's config
// sess, err := session.NewSessionWithOptions(session.Options{
// Profile: "profile_name",
// })
//
// // Specify profile for config and region for requests
// sess, err := session.NewSessionWithOptions(session.Options{
// Config: aws.Config{Region: aws.String("us-east-1")},
// Profile: "profile_name",
// })
//
// // Force enable Shared Config support
// sess, err := session.NewSessionWithOptions(session.Options{
// SharedConfigState: SharedConfigEnable,
// })
func NewSessionWithOptions(opts Options) (*Session, error) {
var envCfg envConfig
if opts.SharedConfigState == SharedConfigEnable {
envCfg = loadSharedEnvConfig()
} else {
envCfg = loadEnvConfig()
}
if len(opts.Profile) > 0 {
envCfg.Profile = opts.Profile
}
switch opts.SharedConfigState {
case SharedConfigDisable:
envCfg.EnableSharedConfig = false
case SharedConfigEnable:
envCfg.EnableSharedConfig = true
}
return newSession(envCfg, &opts.Config)
}
// Must is a helper function to ensure the Session is valid and there was no
// error when calling a NewSession function.
//
// This helper is intended to be used in variable initialization to load the
// Session and configuration at startup. Such as:
//
// var sess = session.Must(session.NewSession())
func Must(sess *Session, err error) *Session {
if err != nil {
panic(err)
}
return sess
}
func oldNewSession(cfgs ...*aws.Config) *Session {
cfg := defaults.Config()
handlers := defaults.Handlers()
// Apply the passed in configs so the configuration can be applied to the
// default credential chain
cfg.MergeIn(cfgs...)
cfg.Credentials = defaults.CredChain(cfg, handlers)
// Reapply any passed in configs to override credentials if set
cfg.MergeIn(cfgs...)
s := &Session{
Config: cfg,
Handlers: handlers,
}
initHandlers(s)
return s
}
func newSession(envCfg envConfig, cfgs ...*aws.Config) (*Session, error) {
cfg := defaults.Config()
handlers := defaults.Handlers()
// Get a merged version of the user provided config to determine if
// credentials were.
userCfg := &aws.Config{}
userCfg.MergeIn(cfgs...)
// Order config files will be loaded in with later files overwriting
// previous config file values.
cfgFiles := []string{envCfg.SharedConfigFile, envCfg.SharedCredentialsFile}
if !envCfg.EnableSharedConfig {
// The shared config file (~/.aws/config) is only loaded if instructed
// to load via the envConfig.EnableSharedConfig (AWS_SDK_LOAD_CONFIG).
cfgFiles = cfgFiles[1:]
}
// Load additional config from file(s)
sharedCfg, err := loadSharedConfig(envCfg.Profile, cfgFiles)
if err != nil {
return nil, err
}
mergeConfigSrcs(cfg, userCfg, envCfg, sharedCfg, handlers)
s := &Session{
Config: cfg,
Handlers: handlers,
}
initHandlers(s)
return s, nil
}
func mergeConfigSrcs(cfg, userCfg *aws.Config, envCfg envConfig, sharedCfg sharedConfig, handlers request.Handlers) {
// Merge in user provided configuration
cfg.MergeIn(userCfg)
// Region if not already set by user
if len(aws.StringValue(cfg.Region)) == 0 {
if len(envCfg.Region) > 0 {
cfg.WithRegion(envCfg.Region)
} else if envCfg.EnableSharedConfig && len(sharedCfg.Region) > 0 {
cfg.WithRegion(sharedCfg.Region)
}
}
// Configure credentials if not already set
if cfg.Credentials == credentials.AnonymousCredentials && userCfg.Credentials == nil {
if len(envCfg.Creds.AccessKeyID) > 0 {
cfg.Credentials = credentials.NewStaticCredentialsFromCreds(
envCfg.Creds,
)
} else if envCfg.EnableSharedConfig && len(sharedCfg.AssumeRole.RoleARN) > 0 && sharedCfg.AssumeRoleSource != nil {
cfgCp := *cfg
cfgCp.Credentials = credentials.NewStaticCredentialsFromCreds(
sharedCfg.AssumeRoleSource.Creds,
)
cfg.Credentials = stscreds.NewCredentials(
&Session{
Config: &cfgCp,
Handlers: handlers.Copy(),
},
sharedCfg.AssumeRole.RoleARN,
func(opt *stscreds.AssumeRoleProvider) {
opt.RoleSessionName = sharedCfg.AssumeRole.RoleSessionName
if len(sharedCfg.AssumeRole.ExternalID) > 0 {
opt.ExternalID = aws.String(sharedCfg.AssumeRole.ExternalID)
}
// MFA not supported
},
)
} else if len(sharedCfg.Creds.AccessKeyID) > 0 {
cfg.Credentials = credentials.NewStaticCredentialsFromCreds(
sharedCfg.Creds,
)
} else {
// Fallback to default credentials provider, include mock errors
// for the credential chain so user can identify why credentials
// failed to be retrieved.
cfg.Credentials = credentials.NewCredentials(&credentials.ChainProvider{
VerboseErrors: aws.BoolValue(cfg.CredentialsChainVerboseErrors),
Providers: []credentials.Provider{
&credProviderError{Err: awserr.New("EnvAccessKeyNotFound", "failed to find credentials in the environment.", nil)},
&credProviderError{Err: awserr.New("SharedCredsLoad", fmt.Sprintf("failed to load profile, %s.", envCfg.Profile), nil)},
defaults.RemoteCredProvider(*cfg, handlers),
},
})
}
}
}
type credProviderError struct {
Err error
}
var emptyCreds = credentials.Value{}
func (c credProviderError) Retrieve() (credentials.Value, error) {
return credentials.Value{}, c.Err
}
func (c credProviderError) IsExpired() bool {
return true
}
func initHandlers(s *Session) {
// Add the Validate parameter handler if it is not disabled.
s.Handlers.Validate.Remove(corehandlers.ValidateParametersHandler)
if !aws.BoolValue(s.Config.DisableParamValidation) {
s.Handlers.Validate.PushBackNamed(corehandlers.ValidateParametersHandler)
}
}
// Copy creates and returns a copy of the current Session, coping the config
// and handlers. If any additional configs are provided they will be merged
// on top of the Session's copied config.
//
// // Create a copy of the current Session, configured for the us-west-2 region.
// sess.Copy(&aws.Config{Region: aws.String("us-west-2")})
func (s *Session) Copy(cfgs ...*aws.Config) *Session {
newSession := &Session{
Config: s.Config.Copy(cfgs...),
Handlers: s.Handlers.Copy(),
}
initHandlers(newSession)
return newSession
}
// ClientConfig satisfies the client.ConfigProvider interface and is used to
// configure the service client instances. Passing the Session to the service
// client's constructor (New) will use this method to configure the client.
func (s *Session) ClientConfig(serviceName string, cfgs ...*aws.Config) client.Config {
s = s.Copy(cfgs...)
endpoint, signingRegion := endpoints.NormalizeEndpoint(
aws.StringValue(s.Config.Endpoint),
serviceName,
aws.StringValue(s.Config.Region),
aws.BoolValue(s.Config.DisableSSL),
aws.BoolValue(s.Config.UseDualStack),
)
return client.Config{
Config: s.Config,
Handlers: s.Handlers,
Endpoint: endpoint,
SigningRegion: signingRegion,
}
}

295
vendor/github.com/aws/aws-sdk-go/aws/session/shared_config.go сгенерированный поставляемый Normal file
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package session
import (
"fmt"
"io/ioutil"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/go-ini/ini"
)
const (
// Static Credentials group
accessKeyIDKey = `aws_access_key_id` // group required
secretAccessKey = `aws_secret_access_key` // group required
sessionTokenKey = `aws_session_token` // optional
// Assume Role Credentials group
roleArnKey = `role_arn` // group required
sourceProfileKey = `source_profile` // group required
externalIDKey = `external_id` // optional
mfaSerialKey = `mfa_serial` // optional
roleSessionNameKey = `role_session_name` // optional
// Additional Config fields
regionKey = `region`
// DefaultSharedConfigProfile is the default profile to be used when
// loading configuration from the config files if another profile name
// is not provided.
DefaultSharedConfigProfile = `default`
)
type assumeRoleConfig struct {
RoleARN string
SourceProfile string
ExternalID string
MFASerial string
RoleSessionName string
}
// sharedConfig represents the configuration fields of the SDK config files.
type sharedConfig struct {
// Credentials values from the config file. Both aws_access_key_id
// and aws_secret_access_key must be provided together in the same file
// to be considered valid. The values will be ignored if not a complete group.
// aws_session_token is an optional field that can be provided if both of the
// other two fields are also provided.
//
// aws_access_key_id
// aws_secret_access_key
// aws_session_token
Creds credentials.Value
AssumeRole assumeRoleConfig
AssumeRoleSource *sharedConfig
// Region is the region the SDK should use for looking up AWS service endpoints
// and signing requests.
//
// region
Region string
}
type sharedConfigFile struct {
Filename string
IniData *ini.File
}
// loadSharedConfig retrieves the configuration from the list of files
// using the profile provided. The order the files are listed will determine
// precedence. Values in subsequent files will overwrite values defined in
// earlier files.
//
// For example, given two files A and B. Both define credentials. If the order
// of the files are A then B, B's credential values will be used instead of A's.
//
// See sharedConfig.setFromFile for information how the config files
// will be loaded.
func loadSharedConfig(profile string, filenames []string) (sharedConfig, error) {
if len(profile) == 0 {
profile = DefaultSharedConfigProfile
}
files, err := loadSharedConfigIniFiles(filenames)
if err != nil {
return sharedConfig{}, err
}
cfg := sharedConfig{}
if err = cfg.setFromIniFiles(profile, files); err != nil {
return sharedConfig{}, err
}
if len(cfg.AssumeRole.SourceProfile) > 0 {
if err := cfg.setAssumeRoleSource(profile, files); err != nil {
return sharedConfig{}, err
}
}
return cfg, nil
}
func loadSharedConfigIniFiles(filenames []string) ([]sharedConfigFile, error) {
files := make([]sharedConfigFile, 0, len(filenames))
for _, filename := range filenames {
b, err := ioutil.ReadFile(filename)
if err != nil {
// Skip files which can't be opened and read for whatever reason
continue
}
f, err := ini.Load(b)
if err != nil {
return nil, SharedConfigLoadError{Filename: filename}
}
files = append(files, sharedConfigFile{
Filename: filename, IniData: f,
})
}
return files, nil
}
func (cfg *sharedConfig) setAssumeRoleSource(origProfile string, files []sharedConfigFile) error {
var assumeRoleSrc sharedConfig
// Multiple level assume role chains are not support
if cfg.AssumeRole.SourceProfile == origProfile {
assumeRoleSrc = *cfg
assumeRoleSrc.AssumeRole = assumeRoleConfig{}
} else {
err := assumeRoleSrc.setFromIniFiles(cfg.AssumeRole.SourceProfile, files)
if err != nil {
return err
}
}
if len(assumeRoleSrc.Creds.AccessKeyID) == 0 {
return SharedConfigAssumeRoleError{RoleARN: cfg.AssumeRole.RoleARN}
}
cfg.AssumeRoleSource = &assumeRoleSrc
return nil
}
func (cfg *sharedConfig) setFromIniFiles(profile string, files []sharedConfigFile) error {
// Trim files from the list that don't exist.
for _, f := range files {
if err := cfg.setFromIniFile(profile, f); err != nil {
if _, ok := err.(SharedConfigProfileNotExistsError); ok {
// Ignore proviles missings
continue
}
return err
}
}
return nil
}
// setFromFile loads the configuration from the file using
// the profile provided. A sharedConfig pointer type value is used so that
// multiple config file loadings can be chained.
//
// Only loads complete logically grouped values, and will not set fields in cfg
// for incomplete grouped values in the config. Such as credentials. For example
// if a config file only includes aws_access_key_id but no aws_secret_access_key
// the aws_access_key_id will be ignored.
func (cfg *sharedConfig) setFromIniFile(profile string, file sharedConfigFile) error {
section, err := file.IniData.GetSection(profile)
if err != nil {
// Fallback to to alternate profile name: profile <name>
section, err = file.IniData.GetSection(fmt.Sprintf("profile %s", profile))
if err != nil {
return SharedConfigProfileNotExistsError{Profile: profile, Err: err}
}
}
// Shared Credentials
akid := section.Key(accessKeyIDKey).String()
secret := section.Key(secretAccessKey).String()
if len(akid) > 0 && len(secret) > 0 {
cfg.Creds = credentials.Value{
AccessKeyID: akid,
SecretAccessKey: secret,
SessionToken: section.Key(sessionTokenKey).String(),
ProviderName: fmt.Sprintf("SharedConfigCredentials: %s", file.Filename),
}
}
// Assume Role
roleArn := section.Key(roleArnKey).String()
srcProfile := section.Key(sourceProfileKey).String()
if len(roleArn) > 0 && len(srcProfile) > 0 {
cfg.AssumeRole = assumeRoleConfig{
RoleARN: roleArn,
SourceProfile: srcProfile,
ExternalID: section.Key(externalIDKey).String(),
MFASerial: section.Key(mfaSerialKey).String(),
RoleSessionName: section.Key(roleSessionNameKey).String(),
}
}
// Region
if v := section.Key(regionKey).String(); len(v) > 0 {
cfg.Region = v
}
return nil
}
// SharedConfigLoadError is an error for the shared config file failed to load.
type SharedConfigLoadError struct {
Filename string
Err error
}
// Code is the short id of the error.
func (e SharedConfigLoadError) Code() string {
return "SharedConfigLoadError"
}
// Message is the description of the error
func (e SharedConfigLoadError) Message() string {
return fmt.Sprintf("failed to load config file, %s", e.Filename)
}
// OrigErr is the underlying error that caused the failure.
func (e SharedConfigLoadError) OrigErr() error {
return e.Err
}
// Error satisfies the error interface.
func (e SharedConfigLoadError) Error() string {
return awserr.SprintError(e.Code(), e.Message(), "", e.Err)
}
// SharedConfigProfileNotExistsError is an error for the shared config when
// the profile was not find in the config file.
type SharedConfigProfileNotExistsError struct {
Profile string
Err error
}
// Code is the short id of the error.
func (e SharedConfigProfileNotExistsError) Code() string {
return "SharedConfigProfileNotExistsError"
}
// Message is the description of the error
func (e SharedConfigProfileNotExistsError) Message() string {
return fmt.Sprintf("failed to get profile, %s", e.Profile)
}
// OrigErr is the underlying error that caused the failure.
func (e SharedConfigProfileNotExistsError) OrigErr() error {
return e.Err
}
// Error satisfies the error interface.
func (e SharedConfigProfileNotExistsError) Error() string {
return awserr.SprintError(e.Code(), e.Message(), "", e.Err)
}
// SharedConfigAssumeRoleError is an error for the shared config when the
// profile contains assume role information, but that information is invalid
// or not complete.
type SharedConfigAssumeRoleError struct {
RoleARN string
}
// Code is the short id of the error.
func (e SharedConfigAssumeRoleError) Code() string {
return "SharedConfigAssumeRoleError"
}
// Message is the description of the error
func (e SharedConfigAssumeRoleError) Message() string {
return fmt.Sprintf("failed to load assume role for %s, source profile has no shared credentials",
e.RoleARN)
}
// OrigErr is the underlying error that caused the failure.
func (e SharedConfigAssumeRoleError) OrigErr() error {
return nil
}
// Error satisfies the error interface.
func (e SharedConfigAssumeRoleError) Error() string {
return awserr.SprintError(e.Code(), e.Message(), "", nil)
}

82
vendor/github.com/aws/aws-sdk-go/aws/signer/v4/header_rules.go сгенерированный поставляемый Normal file
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package v4
import (
"net/http"
"strings"
)
// validator houses a set of rule needed for validation of a
// string value
type rules []rule
// rule interface allows for more flexible rules and just simply
// checks whether or not a value adheres to that rule
type rule interface {
IsValid(value string) bool
}
// IsValid will iterate through all rules and see if any rules
// apply to the value and supports nested rules
func (r rules) IsValid(value string) bool {
for _, rule := range r {
if rule.IsValid(value) {
return true
}
}
return false
}
// mapRule generic rule for maps
type mapRule map[string]struct{}
// IsValid for the map rule satisfies whether it exists in the map
func (m mapRule) IsValid(value string) bool {
_, ok := m[value]
return ok
}
// whitelist is a generic rule for whitelisting
type whitelist struct {
rule
}
// IsValid for whitelist checks if the value is within the whitelist
func (w whitelist) IsValid(value string) bool {
return w.rule.IsValid(value)
}
// blacklist is a generic rule for blacklisting
type blacklist struct {
rule
}
// IsValid for whitelist checks if the value is within the whitelist
func (b blacklist) IsValid(value string) bool {
return !b.rule.IsValid(value)
}
type patterns []string
// IsValid for patterns checks each pattern and returns if a match has
// been found
func (p patterns) IsValid(value string) bool {
for _, pattern := range p {
if strings.HasPrefix(http.CanonicalHeaderKey(value), pattern) {
return true
}
}
return false
}
// inclusiveRules rules allow for rules to depend on one another
type inclusiveRules []rule
// IsValid will return true if all rules are true
func (r inclusiveRules) IsValid(value string) bool {
for _, rule := range r {
if !rule.IsValid(value) {
return false
}
}
return true
}

24
vendor/github.com/aws/aws-sdk-go/aws/signer/v4/uri_path.go сгенерированный поставляемый Normal file
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@ -0,0 +1,24 @@
// +build go1.5
package v4
import (
"net/url"
"strings"
)
func getURIPath(u *url.URL) string {
var uri string
if len(u.Opaque) > 0 {
uri = "/" + strings.Join(strings.Split(u.Opaque, "/")[3:], "/")
} else {
uri = u.EscapedPath()
}
if len(uri) == 0 {
uri = "/"
}
return uri
}

24
vendor/github.com/aws/aws-sdk-go/aws/signer/v4/uri_path_1_4.go сгенерированный поставляемый Normal file
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@ -0,0 +1,24 @@
// +build !go1.5
package v4
import (
"net/url"
"strings"
)
func getURIPath(u *url.URL) string {
var uri string
if len(u.Opaque) > 0 {
uri = "/" + strings.Join(strings.Split(u.Opaque, "/")[3:], "/")
} else {
uri = u.Path
}
if len(uri) == 0 {
uri = "/"
}
return uri
}

713
vendor/github.com/aws/aws-sdk-go/aws/signer/v4/v4.go сгенерированный поставляемый Normal file
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// Package v4 implements signing for AWS V4 signer
//
// Provides request signing for request that need to be signed with
// AWS V4 Signatures.
//
// Standalone Signer
//
// Generally using the signer outside of the SDK should not require any additional
// logic when using Go v1.5 or higher. The signer does this by taking advantage
// of the URL.EscapedPath method. If your request URI requires additional escaping
// you many need to use the URL.Opaque to define what the raw URI should be sent
// to the service as.
//
// The signer will first check the URL.Opaque field, and use its value if set.
// The signer does require the URL.Opaque field to be set in the form of:
//
// "//<hostname>/<path>"
//
// // e.g.
// "//example.com/some/path"
//
// The leading "//" and hostname are required or the URL.Opaque escaping will
// not work correctly.
//
// If URL.Opaque is not set the signer will fallback to the URL.EscapedPath()
// method and using the returned value. If you're using Go v1.4 you must set
// URL.Opaque if the URI path needs escaping. If URL.Opaque is not set with
// Go v1.5 the signer will fallback to URL.Path.
//
// AWS v4 signature validation requires that the canonical string's URI path
// element must be the URI escaped form of the HTTP request's path.
// http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
//
// The Go HTTP client will perform escaping automatically on the request. Some
// of these escaping may cause signature validation errors because the HTTP
// request differs from the URI path or query that the signature was generated.
// https://golang.org/pkg/net/url/#URL.EscapedPath
//
// Because of this, it is recommended that when using the signer outside of the
// SDK that explicitly escaping the request prior to being signed is preferable,
// and will help prevent signature validation errors. This can be done by setting
// the URL.Opaque or URL.RawPath. The SDK will use URL.Opaque first and then
// call URL.EscapedPath() if Opaque is not set.
//
// Test `TestStandaloneSign` provides a complete example of using the signer
// outside of the SDK and pre-escaping the URI path.
package v4
import (
"bytes"
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol/rest"
)
const (
authHeaderPrefix = "AWS4-HMAC-SHA256"
timeFormat = "20060102T150405Z"
shortTimeFormat = "20060102"
// emptyStringSHA256 is a SHA256 of an empty string
emptyStringSHA256 = `e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855`
)
var ignoredHeaders = rules{
blacklist{
mapRule{
"Authorization": struct{}{},
"User-Agent": struct{}{},
},
},
}
// requiredSignedHeaders is a whitelist for build canonical headers.
var requiredSignedHeaders = rules{
whitelist{
mapRule{
"Cache-Control": struct{}{},
"Content-Disposition": struct{}{},
"Content-Encoding": struct{}{},
"Content-Language": struct{}{},
"Content-Md5": struct{}{},
"Content-Type": struct{}{},
"Expires": struct{}{},
"If-Match": struct{}{},
"If-Modified-Since": struct{}{},
"If-None-Match": struct{}{},
"If-Unmodified-Since": struct{}{},
"Range": struct{}{},
"X-Amz-Acl": struct{}{},
"X-Amz-Copy-Source": struct{}{},
"X-Amz-Copy-Source-If-Match": struct{}{},
"X-Amz-Copy-Source-If-Modified-Since": struct{}{},
"X-Amz-Copy-Source-If-None-Match": struct{}{},
"X-Amz-Copy-Source-If-Unmodified-Since": struct{}{},
"X-Amz-Copy-Source-Range": struct{}{},
"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm": struct{}{},
"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key": struct{}{},
"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key-Md5": struct{}{},
"X-Amz-Grant-Full-control": struct{}{},
"X-Amz-Grant-Read": struct{}{},
"X-Amz-Grant-Read-Acp": struct{}{},
"X-Amz-Grant-Write": struct{}{},
"X-Amz-Grant-Write-Acp": struct{}{},
"X-Amz-Metadata-Directive": struct{}{},
"X-Amz-Mfa": struct{}{},
"X-Amz-Request-Payer": struct{}{},
"X-Amz-Server-Side-Encryption": struct{}{},
"X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id": struct{}{},
"X-Amz-Server-Side-Encryption-Customer-Algorithm": struct{}{},
"X-Amz-Server-Side-Encryption-Customer-Key": struct{}{},
"X-Amz-Server-Side-Encryption-Customer-Key-Md5": struct{}{},
"X-Amz-Storage-Class": struct{}{},
"X-Amz-Website-Redirect-Location": struct{}{},
},
},
patterns{"X-Amz-Meta-"},
}
// allowedHoisting is a whitelist for build query headers. The boolean value
// represents whether or not it is a pattern.
var allowedQueryHoisting = inclusiveRules{
blacklist{requiredSignedHeaders},
patterns{"X-Amz-"},
}
// Signer applies AWS v4 signing to given request. Use this to sign requests
// that need to be signed with AWS V4 Signatures.
type Signer struct {
// The authentication credentials the request will be signed against.
// This value must be set to sign requests.
Credentials *credentials.Credentials
// Sets the log level the signer should use when reporting information to
// the logger. If the logger is nil nothing will be logged. See
// aws.LogLevelType for more information on available logging levels
//
// By default nothing will be logged.
Debug aws.LogLevelType
// The logger loging information will be written to. If there the logger
// is nil, nothing will be logged.
Logger aws.Logger
// Disables the Signer's moving HTTP header key/value pairs from the HTTP
// request header to the request's query string. This is most commonly used
// with pre-signed requests preventing headers from being added to the
// request's query string.
DisableHeaderHoisting bool
// Disables the automatic escaping of the URI path of the request for the
// siganture's canonical string's path. For services that do not need additional
// escaping then use this to disable the signer escaping the path.
//
// S3 is an example of a service that does not need additional escaping.
//
// http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
DisableURIPathEscaping bool
// currentTimeFn returns the time value which represents the current time.
// This value should only be used for testing. If it is nil the default
// time.Now will be used.
currentTimeFn func() time.Time
}
// NewSigner returns a Signer pointer configured with the credentials and optional
// option values provided. If not options are provided the Signer will use its
// default configuration.
func NewSigner(credentials *credentials.Credentials, options ...func(*Signer)) *Signer {
v4 := &Signer{
Credentials: credentials,
}
for _, option := range options {
option(v4)
}
return v4
}
type signingCtx struct {
ServiceName string
Region string
Request *http.Request
Body io.ReadSeeker
Query url.Values
Time time.Time
ExpireTime time.Duration
SignedHeaderVals http.Header
DisableURIPathEscaping bool
credValues credentials.Value
isPresign bool
formattedTime string
formattedShortTime string
bodyDigest string
signedHeaders string
canonicalHeaders string
canonicalString string
credentialString string
stringToSign string
signature string
authorization string
}
// Sign signs AWS v4 requests with the provided body, service name, region the
// request is made to, and time the request is signed at. The signTime allows
// you to specify that a request is signed for the future, and cannot be
// used until then.
//
// Returns a list of HTTP headers that were included in the signature or an
// error if signing the request failed. Generally for signed requests this value
// is not needed as the full request context will be captured by the http.Request
// value. It is included for reference though.
//
// Sign will set the request's Body to be the `body` parameter passed in. If
// the body is not already an io.ReadCloser, it will be wrapped within one. If
// a `nil` body parameter passed to Sign, the request's Body field will be
// also set to nil. Its important to note that this functionality will not
// change the request's ContentLength of the request.
//
// Sign differs from Presign in that it will sign the request using HTTP
// header values. This type of signing is intended for http.Request values that
// will not be shared, or are shared in a way the header values on the request
// will not be lost.
//
// The requests body is an io.ReadSeeker so the SHA256 of the body can be
// generated. To bypass the signer computing the hash you can set the
// "X-Amz-Content-Sha256" header with a precomputed value. The signer will
// only compute the hash if the request header value is empty.
func (v4 Signer) Sign(r *http.Request, body io.ReadSeeker, service, region string, signTime time.Time) (http.Header, error) {
return v4.signWithBody(r, body, service, region, 0, signTime)
}
// Presign signs AWS v4 requests with the provided body, service name, region
// the request is made to, and time the request is signed at. The signTime
// allows you to specify that a request is signed for the future, and cannot
// be used until then.
//
// Returns a list of HTTP headers that were included in the signature or an
// error if signing the request failed. For presigned requests these headers
// and their values must be included on the HTTP request when it is made. This
// is helpful to know what header values need to be shared with the party the
// presigned request will be distributed to.
//
// Presign differs from Sign in that it will sign the request using query string
// instead of header values. This allows you to share the Presigned Request's
// URL with third parties, or distribute it throughout your system with minimal
// dependencies.
//
// Presign also takes an exp value which is the duration the
// signed request will be valid after the signing time. This is allows you to
// set when the request will expire.
//
// The requests body is an io.ReadSeeker so the SHA256 of the body can be
// generated. To bypass the signer computing the hash you can set the
// "X-Amz-Content-Sha256" header with a precomputed value. The signer will
// only compute the hash if the request header value is empty.
//
// Presigning a S3 request will not compute the body's SHA256 hash by default.
// This is done due to the general use case for S3 presigned URLs is to share
// PUT/GET capabilities. If you would like to include the body's SHA256 in the
// presigned request's signature you can set the "X-Amz-Content-Sha256"
// HTTP header and that will be included in the request's signature.
func (v4 Signer) Presign(r *http.Request, body io.ReadSeeker, service, region string, exp time.Duration, signTime time.Time) (http.Header, error) {
return v4.signWithBody(r, body, service, region, exp, signTime)
}
func (v4 Signer) signWithBody(r *http.Request, body io.ReadSeeker, service, region string, exp time.Duration, signTime time.Time) (http.Header, error) {
currentTimeFn := v4.currentTimeFn
if currentTimeFn == nil {
currentTimeFn = time.Now
}
ctx := &signingCtx{
Request: r,
Body: body,
Query: r.URL.Query(),
Time: signTime,
ExpireTime: exp,
isPresign: exp != 0,
ServiceName: service,
Region: region,
DisableURIPathEscaping: v4.DisableURIPathEscaping,
}
if ctx.isRequestSigned() {
ctx.Time = currentTimeFn()
ctx.handlePresignRemoval()
}
var err error
ctx.credValues, err = v4.Credentials.Get()
if err != nil {
return http.Header{}, err
}
ctx.assignAmzQueryValues()
ctx.build(v4.DisableHeaderHoisting)
// If the request is not presigned the body should be attached to it. This
// prevents the confusion of wanting to send a signed request without
// the body the request was signed for attached.
if !ctx.isPresign {
var reader io.ReadCloser
if body != nil {
var ok bool
if reader, ok = body.(io.ReadCloser); !ok {
reader = ioutil.NopCloser(body)
}
}
r.Body = reader
}
if v4.Debug.Matches(aws.LogDebugWithSigning) {
v4.logSigningInfo(ctx)
}
return ctx.SignedHeaderVals, nil
}
func (ctx *signingCtx) handlePresignRemoval() {
if !ctx.isPresign {
return
}
// The credentials have expired for this request. The current signing
// is invalid, and needs to be request because the request will fail.
ctx.removePresign()
// Update the request's query string to ensure the values stays in
// sync in the case retrieving the new credentials fails.
ctx.Request.URL.RawQuery = ctx.Query.Encode()
}
func (ctx *signingCtx) assignAmzQueryValues() {
if ctx.isPresign {
ctx.Query.Set("X-Amz-Algorithm", authHeaderPrefix)
if ctx.credValues.SessionToken != "" {
ctx.Query.Set("X-Amz-Security-Token", ctx.credValues.SessionToken)
} else {
ctx.Query.Del("X-Amz-Security-Token")
}
return
}
if ctx.credValues.SessionToken != "" {
ctx.Request.Header.Set("X-Amz-Security-Token", ctx.credValues.SessionToken)
}
}
// SignRequestHandler is a named request handler the SDK will use to sign
// service client request with using the V4 signature.
var SignRequestHandler = request.NamedHandler{
Name: "v4.SignRequestHandler", Fn: SignSDKRequest,
}
// SignSDKRequest signs an AWS request with the V4 signature. This
// request handler is bested used only with the SDK's built in service client's
// API operation requests.
//
// This function should not be used on its on its own, but in conjunction with
// an AWS service client's API operation call. To sign a standalone request
// not created by a service client's API operation method use the "Sign" or
// "Presign" functions of the "Signer" type.
//
// If the credentials of the request's config are set to
// credentials.AnonymousCredentials the request will not be signed.
func SignSDKRequest(req *request.Request) {
signSDKRequestWithCurrTime(req, time.Now)
}
func signSDKRequestWithCurrTime(req *request.Request, curTimeFn func() time.Time) {
// If the request does not need to be signed ignore the signing of the
// request if the AnonymousCredentials object is used.
if req.Config.Credentials == credentials.AnonymousCredentials {
return
}
region := req.ClientInfo.SigningRegion
if region == "" {
region = aws.StringValue(req.Config.Region)
}
name := req.ClientInfo.SigningName
if name == "" {
name = req.ClientInfo.ServiceName
}
v4 := NewSigner(req.Config.Credentials, func(v4 *Signer) {
v4.Debug = req.Config.LogLevel.Value()
v4.Logger = req.Config.Logger
v4.DisableHeaderHoisting = req.NotHoist
v4.currentTimeFn = curTimeFn
if name == "s3" {
// S3 service should not have any escaping applied
v4.DisableURIPathEscaping = true
}
})
signingTime := req.Time
if !req.LastSignedAt.IsZero() {
signingTime = req.LastSignedAt
}
signedHeaders, err := v4.signWithBody(req.HTTPRequest, req.GetBody(),
name, region, req.ExpireTime, signingTime,
)
if err != nil {
req.Error = err
req.SignedHeaderVals = nil
return
}
req.SignedHeaderVals = signedHeaders
req.LastSignedAt = curTimeFn()
}
const logSignInfoMsg = `DEBUG: Request Signature:
---[ CANONICAL STRING ]-----------------------------
%s
---[ STRING TO SIGN ]--------------------------------
%s%s
-----------------------------------------------------`
const logSignedURLMsg = `
---[ SIGNED URL ]------------------------------------
%s`
func (v4 *Signer) logSigningInfo(ctx *signingCtx) {
signedURLMsg := ""
if ctx.isPresign {
signedURLMsg = fmt.Sprintf(logSignedURLMsg, ctx.Request.URL.String())
}
msg := fmt.Sprintf(logSignInfoMsg, ctx.canonicalString, ctx.stringToSign, signedURLMsg)
v4.Logger.Log(msg)
}
func (ctx *signingCtx) build(disableHeaderHoisting bool) {
ctx.buildTime() // no depends
ctx.buildCredentialString() // no depends
unsignedHeaders := ctx.Request.Header
if ctx.isPresign {
if !disableHeaderHoisting {
urlValues := url.Values{}
urlValues, unsignedHeaders = buildQuery(allowedQueryHoisting, unsignedHeaders) // no depends
for k := range urlValues {
ctx.Query[k] = urlValues[k]
}
}
}
ctx.buildBodyDigest()
ctx.buildCanonicalHeaders(ignoredHeaders, unsignedHeaders)
ctx.buildCanonicalString() // depends on canon headers / signed headers
ctx.buildStringToSign() // depends on canon string
ctx.buildSignature() // depends on string to sign
if ctx.isPresign {
ctx.Request.URL.RawQuery += "&X-Amz-Signature=" + ctx.signature
} else {
parts := []string{
authHeaderPrefix + " Credential=" + ctx.credValues.AccessKeyID + "/" + ctx.credentialString,
"SignedHeaders=" + ctx.signedHeaders,
"Signature=" + ctx.signature,
}
ctx.Request.Header.Set("Authorization", strings.Join(parts, ", "))
}
}
func (ctx *signingCtx) buildTime() {
ctx.formattedTime = ctx.Time.UTC().Format(timeFormat)
ctx.formattedShortTime = ctx.Time.UTC().Format(shortTimeFormat)
if ctx.isPresign {
duration := int64(ctx.ExpireTime / time.Second)
ctx.Query.Set("X-Amz-Date", ctx.formattedTime)
ctx.Query.Set("X-Amz-Expires", strconv.FormatInt(duration, 10))
} else {
ctx.Request.Header.Set("X-Amz-Date", ctx.formattedTime)
}
}
func (ctx *signingCtx) buildCredentialString() {
ctx.credentialString = strings.Join([]string{
ctx.formattedShortTime,
ctx.Region,
ctx.ServiceName,
"aws4_request",
}, "/")
if ctx.isPresign {
ctx.Query.Set("X-Amz-Credential", ctx.credValues.AccessKeyID+"/"+ctx.credentialString)
}
}
func buildQuery(r rule, header http.Header) (url.Values, http.Header) {
query := url.Values{}
unsignedHeaders := http.Header{}
for k, h := range header {
if r.IsValid(k) {
query[k] = h
} else {
unsignedHeaders[k] = h
}
}
return query, unsignedHeaders
}
func (ctx *signingCtx) buildCanonicalHeaders(r rule, header http.Header) {
var headers []string
headers = append(headers, "host")
for k, v := range header {
canonicalKey := http.CanonicalHeaderKey(k)
if !r.IsValid(canonicalKey) {
continue // ignored header
}
if ctx.SignedHeaderVals == nil {
ctx.SignedHeaderVals = make(http.Header)
}
lowerCaseKey := strings.ToLower(k)
if _, ok := ctx.SignedHeaderVals[lowerCaseKey]; ok {
// include additional values
ctx.SignedHeaderVals[lowerCaseKey] = append(ctx.SignedHeaderVals[lowerCaseKey], v...)
continue
}
headers = append(headers, lowerCaseKey)
ctx.SignedHeaderVals[lowerCaseKey] = v
}
sort.Strings(headers)
ctx.signedHeaders = strings.Join(headers, ";")
if ctx.isPresign {
ctx.Query.Set("X-Amz-SignedHeaders", ctx.signedHeaders)
}
headerValues := make([]string, len(headers))
for i, k := range headers {
if k == "host" {
headerValues[i] = "host:" + ctx.Request.URL.Host
} else {
headerValues[i] = k + ":" +
strings.Join(ctx.SignedHeaderVals[k], ",")
}
}
ctx.canonicalHeaders = strings.Join(stripExcessSpaces(headerValues), "\n")
}
func (ctx *signingCtx) buildCanonicalString() {
ctx.Request.URL.RawQuery = strings.Replace(ctx.Query.Encode(), "+", "%20", -1)
uri := getURIPath(ctx.Request.URL)
if !ctx.DisableURIPathEscaping {
uri = rest.EscapePath(uri, false)
}
ctx.canonicalString = strings.Join([]string{
ctx.Request.Method,
uri,
ctx.Request.URL.RawQuery,
ctx.canonicalHeaders + "\n",
ctx.signedHeaders,
ctx.bodyDigest,
}, "\n")
}
func (ctx *signingCtx) buildStringToSign() {
ctx.stringToSign = strings.Join([]string{
authHeaderPrefix,
ctx.formattedTime,
ctx.credentialString,
hex.EncodeToString(makeSha256([]byte(ctx.canonicalString))),
}, "\n")
}
func (ctx *signingCtx) buildSignature() {
secret := ctx.credValues.SecretAccessKey
date := makeHmac([]byte("AWS4"+secret), []byte(ctx.formattedShortTime))
region := makeHmac(date, []byte(ctx.Region))
service := makeHmac(region, []byte(ctx.ServiceName))
credentials := makeHmac(service, []byte("aws4_request"))
signature := makeHmac(credentials, []byte(ctx.stringToSign))
ctx.signature = hex.EncodeToString(signature)
}
func (ctx *signingCtx) buildBodyDigest() {
hash := ctx.Request.Header.Get("X-Amz-Content-Sha256")
if hash == "" {
if ctx.isPresign && ctx.ServiceName == "s3" {
hash = "UNSIGNED-PAYLOAD"
} else if ctx.Body == nil {
hash = emptyStringSHA256
} else {
hash = hex.EncodeToString(makeSha256Reader(ctx.Body))
}
if ctx.ServiceName == "s3" || ctx.ServiceName == "glacier" {
ctx.Request.Header.Set("X-Amz-Content-Sha256", hash)
}
}
ctx.bodyDigest = hash
}
// isRequestSigned returns if the request is currently signed or presigned
func (ctx *signingCtx) isRequestSigned() bool {
if ctx.isPresign && ctx.Query.Get("X-Amz-Signature") != "" {
return true
}
if ctx.Request.Header.Get("Authorization") != "" {
return true
}
return false
}
// unsign removes signing flags for both signed and presigned requests.
func (ctx *signingCtx) removePresign() {
ctx.Query.Del("X-Amz-Algorithm")
ctx.Query.Del("X-Amz-Signature")
ctx.Query.Del("X-Amz-Security-Token")
ctx.Query.Del("X-Amz-Date")
ctx.Query.Del("X-Amz-Expires")
ctx.Query.Del("X-Amz-Credential")
ctx.Query.Del("X-Amz-SignedHeaders")
}
func makeHmac(key []byte, data []byte) []byte {
hash := hmac.New(sha256.New, key)
hash.Write(data)
return hash.Sum(nil)
}
func makeSha256(data []byte) []byte {
hash := sha256.New()
hash.Write(data)
return hash.Sum(nil)
}
func makeSha256Reader(reader io.ReadSeeker) []byte {
hash := sha256.New()
start, _ := reader.Seek(0, 1)
defer reader.Seek(start, 0)
io.Copy(hash, reader)
return hash.Sum(nil)
}
const doubleSpaces = " "
var doubleSpaceBytes = []byte(doubleSpaces)
func stripExcessSpaces(headerVals []string) []string {
vals := make([]string, len(headerVals))
for i, str := range headerVals {
// Trim leading and trailing spaces
trimmed := strings.TrimSpace(str)
idx := strings.Index(trimmed, doubleSpaces)
var buf []byte
for idx > -1 {
// Multiple adjacent spaces found
if buf == nil {
// first time create the buffer
buf = []byte(trimmed)
}
stripToIdx := -1
for j := idx + 1; j < len(buf); j++ {
if buf[j] != ' ' {
buf = append(buf[:idx+1], buf[j:]...)
stripToIdx = j
break
}
}
if stripToIdx >= 0 {
idx = bytes.Index(buf[stripToIdx:], doubleSpaceBytes)
if idx >= 0 {
idx += stripToIdx
}
} else {
idx = -1
}
}
if buf != nil {
vals[i] = string(buf)
} else {
vals[i] = trimmed
}
}
return vals
}

106
vendor/github.com/aws/aws-sdk-go/aws/types.go сгенерированный поставляемый Normal file
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package aws
import (
"io"
"sync"
)
// ReadSeekCloser wraps a io.Reader returning a ReaderSeekerCloser
func ReadSeekCloser(r io.Reader) ReaderSeekerCloser {
return ReaderSeekerCloser{r}
}
// ReaderSeekerCloser represents a reader that can also delegate io.Seeker and
// io.Closer interfaces to the underlying object if they are available.
type ReaderSeekerCloser struct {
r io.Reader
}
// Read reads from the reader up to size of p. The number of bytes read, and
// error if it occurred will be returned.
//
// If the reader is not an io.Reader zero bytes read, and nil error will be returned.
//
// Performs the same functionality as io.Reader Read
func (r ReaderSeekerCloser) Read(p []byte) (int, error) {
switch t := r.r.(type) {
case io.Reader:
return t.Read(p)
}
return 0, nil
}
// Seek sets the offset for the next Read to offset, interpreted according to
// whence: 0 means relative to the origin of the file, 1 means relative to the
// current offset, and 2 means relative to the end. Seek returns the new offset
// and an error, if any.
//
// If the ReaderSeekerCloser is not an io.Seeker nothing will be done.
func (r ReaderSeekerCloser) Seek(offset int64, whence int) (int64, error) {
switch t := r.r.(type) {
case io.Seeker:
return t.Seek(offset, whence)
}
return int64(0), nil
}
// Close closes the ReaderSeekerCloser.
//
// If the ReaderSeekerCloser is not an io.Closer nothing will be done.
func (r ReaderSeekerCloser) Close() error {
switch t := r.r.(type) {
case io.Closer:
return t.Close()
}
return nil
}
// A WriteAtBuffer provides a in memory buffer supporting the io.WriterAt interface
// Can be used with the s3manager.Downloader to download content to a buffer
// in memory. Safe to use concurrently.
type WriteAtBuffer struct {
buf []byte
m sync.Mutex
// GrowthCoeff defines the growth rate of the internal buffer. By
// default, the growth rate is 1, where expanding the internal
// buffer will allocate only enough capacity to fit the new expected
// length.
GrowthCoeff float64
}
// NewWriteAtBuffer creates a WriteAtBuffer with an internal buffer
// provided by buf.
func NewWriteAtBuffer(buf []byte) *WriteAtBuffer {
return &WriteAtBuffer{buf: buf}
}
// WriteAt writes a slice of bytes to a buffer starting at the position provided
// The number of bytes written will be returned, or error. Can overwrite previous
// written slices if the write ats overlap.
func (b *WriteAtBuffer) WriteAt(p []byte, pos int64) (n int, err error) {
pLen := len(p)
expLen := pos + int64(pLen)
b.m.Lock()
defer b.m.Unlock()
if int64(len(b.buf)) < expLen {
if int64(cap(b.buf)) < expLen {
if b.GrowthCoeff < 1 {
b.GrowthCoeff = 1
}
newBuf := make([]byte, expLen, int64(b.GrowthCoeff*float64(expLen)))
copy(newBuf, b.buf)
b.buf = newBuf
}
b.buf = b.buf[:expLen]
}
copy(b.buf[pos:], p)
return pLen, nil
}
// Bytes returns a slice of bytes written to the buffer.
func (b *WriteAtBuffer) Bytes() []byte {
b.m.Lock()
defer b.m.Unlock()
return b.buf[:len(b.buf):len(b.buf)]
}

8
vendor/github.com/aws/aws-sdk-go/aws/version.go сгенерированный поставляемый Normal file
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@ -0,0 +1,8 @@
// Package aws provides core functionality for making requests to AWS services.
package aws
// SDKName is the name of this AWS SDK
const SDKName = "aws-sdk-go"
// SDKVersion is the version of this SDK
const SDKVersion = "1.4.22"

70
vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.go сгенерированный поставляемый Normal file
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@ -0,0 +1,70 @@
// Package endpoints validates regional endpoints for services.
package endpoints
//go:generate go run -tags codegen ../model/cli/gen-endpoints/main.go endpoints.json endpoints_map.go
//go:generate gofmt -s -w endpoints_map.go
import (
"fmt"
"regexp"
"strings"
)
// NormalizeEndpoint takes and endpoint and service API information to return a
// normalized endpoint and signing region. If the endpoint is not an empty string
// the service name and region will be used to look up the service's API endpoint.
// If the endpoint is provided the scheme will be added if it is not present.
func NormalizeEndpoint(endpoint, serviceName, region string, disableSSL, useDualStack bool) (normEndpoint, signingRegion string) {
if endpoint == "" {
return EndpointForRegion(serviceName, region, disableSSL, useDualStack)
}
return AddScheme(endpoint, disableSSL), ""
}
// EndpointForRegion returns an endpoint and its signing region for a service and region.
// if the service and region pair are not found endpoint and signingRegion will be empty.
func EndpointForRegion(svcName, region string, disableSSL, useDualStack bool) (endpoint, signingRegion string) {
dualStackField := ""
if useDualStack {
dualStackField = "/dualstack"
}
derivedKeys := []string{
region + "/" + svcName + dualStackField,
region + "/*" + dualStackField,
"*/" + svcName + dualStackField,
"*/*" + dualStackField,
}
for _, key := range derivedKeys {
if val, ok := endpointsMap.Endpoints[key]; ok {
ep := val.Endpoint
ep = strings.Replace(ep, "{region}", region, -1)
ep = strings.Replace(ep, "{service}", svcName, -1)
endpoint = ep
signingRegion = val.SigningRegion
break
}
}
return AddScheme(endpoint, disableSSL), signingRegion
}
// Regular expression to determine if the endpoint string is prefixed with a scheme.
var schemeRE = regexp.MustCompile("^([^:]+)://")
// AddScheme adds the HTTP or HTTPS schemes to a endpoint URL if there is no
// scheme. If disableSSL is true HTTP will be added instead of the default HTTPS.
func AddScheme(endpoint string, disableSSL bool) string {
if endpoint != "" && !schemeRE.MatchString(endpoint) {
scheme := "https"
if disableSSL {
scheme = "http"
}
endpoint = fmt.Sprintf("%s://%s", scheme, endpoint)
}
return endpoint
}

82
vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints.json сгенерированный поставляемый Normal file
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@ -0,0 +1,82 @@
{
"version": 2,
"endpoints": {
"*/*": {
"endpoint": "{service}.{region}.amazonaws.com"
},
"cn-north-1/*": {
"endpoint": "{service}.{region}.amazonaws.com.cn",
"signatureVersion": "v4"
},
"cn-north-1/ec2metadata": {
"endpoint": "http://169.254.169.254/latest"
},
"us-gov-west-1/iam": {
"endpoint": "iam.us-gov.amazonaws.com"
},
"us-gov-west-1/sts": {
"endpoint": "sts.us-gov-west-1.amazonaws.com"
},
"us-gov-west-1/s3": {
"endpoint": "s3-{region}.amazonaws.com"
},
"us-gov-west-1/ec2metadata": {
"endpoint": "http://169.254.169.254/latest"
},
"*/budgets": {
"endpoint": "budgets.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/cloudfront": {
"endpoint": "cloudfront.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/cloudsearchdomain": {
"endpoint": "",
"signingRegion": "us-east-1"
},
"*/data.iot": {
"endpoint": "",
"signingRegion": "us-east-1"
},
"*/ec2metadata": {
"endpoint": "http://169.254.169.254/latest"
},
"*/iam": {
"endpoint": "iam.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/importexport": {
"endpoint": "importexport.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/route53": {
"endpoint": "route53.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/sts": {
"endpoint": "sts.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/waf": {
"endpoint": "waf.amazonaws.com",
"signingRegion": "us-east-1"
},
"us-east-1/sdb": {
"endpoint": "sdb.amazonaws.com",
"signingRegion": "us-east-1"
},
"*/s3": {
"endpoint": "s3-{region}.amazonaws.com"
},
"*/s3/dualstack": {
"endpoint": "s3.dualstack.{region}.amazonaws.com"
},
"us-east-1/s3": {
"endpoint": "s3.amazonaws.com"
},
"eu-central-1/s3": {
"endpoint": "{service}.{region}.amazonaws.com"
}
}
}

95
vendor/github.com/aws/aws-sdk-go/private/endpoints/endpoints_map.go сгенерированный поставляемый Normal file
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@ -0,0 +1,95 @@
package endpoints
// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
type endpointStruct struct {
Version int
Endpoints map[string]endpointEntry
}
type endpointEntry struct {
Endpoint string
SigningRegion string
}
var endpointsMap = endpointStruct{
Version: 2,
Endpoints: map[string]endpointEntry{
"*/*": {
Endpoint: "{service}.{region}.amazonaws.com",
},
"*/budgets": {
Endpoint: "budgets.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/cloudfront": {
Endpoint: "cloudfront.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/cloudsearchdomain": {
Endpoint: "",
SigningRegion: "us-east-1",
},
"*/data.iot": {
Endpoint: "",
SigningRegion: "us-east-1",
},
"*/ec2metadata": {
Endpoint: "http://169.254.169.254/latest",
},
"*/iam": {
Endpoint: "iam.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/importexport": {
Endpoint: "importexport.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/route53": {
Endpoint: "route53.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/s3": {
Endpoint: "s3-{region}.amazonaws.com",
},
"*/s3/dualstack": {
Endpoint: "s3.dualstack.{region}.amazonaws.com",
},
"*/sts": {
Endpoint: "sts.amazonaws.com",
SigningRegion: "us-east-1",
},
"*/waf": {
Endpoint: "waf.amazonaws.com",
SigningRegion: "us-east-1",
},
"cn-north-1/*": {
Endpoint: "{service}.{region}.amazonaws.com.cn",
},
"cn-north-1/ec2metadata": {
Endpoint: "http://169.254.169.254/latest",
},
"eu-central-1/s3": {
Endpoint: "{service}.{region}.amazonaws.com",
},
"us-east-1/s3": {
Endpoint: "s3.amazonaws.com",
},
"us-east-1/sdb": {
Endpoint: "sdb.amazonaws.com",
SigningRegion: "us-east-1",
},
"us-gov-west-1/ec2metadata": {
Endpoint: "http://169.254.169.254/latest",
},
"us-gov-west-1/iam": {
Endpoint: "iam.us-gov.amazonaws.com",
},
"us-gov-west-1/s3": {
Endpoint: "s3-{region}.amazonaws.com",
},
"us-gov-west-1/sts": {
Endpoint: "sts.us-gov-west-1.amazonaws.com",
},
},
}

75
vendor/github.com/aws/aws-sdk-go/private/protocol/idempotency.go сгенерированный поставляемый Normal file
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@ -0,0 +1,75 @@
package protocol
import (
"crypto/rand"
"fmt"
"reflect"
)
// RandReader is the random reader the protocol package will use to read
// random bytes from. This is exported for testing, and should not be used.
var RandReader = rand.Reader
const idempotencyTokenFillTag = `idempotencyToken`
// CanSetIdempotencyToken returns true if the struct field should be
// automatically populated with a Idempotency token.
//
// Only *string and string type fields that are tagged with idempotencyToken
// which are not already set can be auto filled.
func CanSetIdempotencyToken(v reflect.Value, f reflect.StructField) bool {
switch u := v.Interface().(type) {
// To auto fill an Idempotency token the field must be a string,
// tagged for auto fill, and have a zero value.
case *string:
return u == nil && len(f.Tag.Get(idempotencyTokenFillTag)) != 0
case string:
return len(u) == 0 && len(f.Tag.Get(idempotencyTokenFillTag)) != 0
}
return false
}
// GetIdempotencyToken returns a randomly generated idempotency token.
func GetIdempotencyToken() string {
b := make([]byte, 16)
RandReader.Read(b)
return UUIDVersion4(b)
}
// SetIdempotencyToken will set the value provided with a Idempotency Token.
// Given that the value can be set. Will panic if value is not setable.
func SetIdempotencyToken(v reflect.Value) {
if v.Kind() == reflect.Ptr {
if v.IsNil() && v.CanSet() {
v.Set(reflect.New(v.Type().Elem()))
}
v = v.Elem()
}
v = reflect.Indirect(v)
if !v.CanSet() {
panic(fmt.Sprintf("unable to set idempotnecy token %v", v))
}
b := make([]byte, 16)
_, err := rand.Read(b)
if err != nil {
// TODO handle error
return
}
v.Set(reflect.ValueOf(UUIDVersion4(b)))
}
// UUIDVersion4 returns a Version 4 random UUID from the byte slice provided
func UUIDVersion4(u []byte) string {
// https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_.28random.29
// 13th character is "4"
u[6] = (u[6] | 0x40) & 0x4F
// 17th character is "8", "9", "a", or "b"
u[8] = (u[8] | 0x80) & 0xBF
return fmt.Sprintf(`%X-%X-%X-%X-%X`, u[0:4], u[4:6], u[6:8], u[8:10], u[10:])
}

254
vendor/github.com/aws/aws-sdk-go/private/protocol/json/jsonutil/build.go сгенерированный поставляемый Normal file
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@ -0,0 +1,254 @@
// Package jsonutil provides JSON serialization of AWS requests and responses.
package jsonutil
import (
"bytes"
"encoding/base64"
"fmt"
"reflect"
"sort"
"strconv"
"time"
"github.com/aws/aws-sdk-go/private/protocol"
)
var timeType = reflect.ValueOf(time.Time{}).Type()
var byteSliceType = reflect.ValueOf([]byte{}).Type()
// BuildJSON builds a JSON string for a given object v.
func BuildJSON(v interface{}) ([]byte, error) {
var buf bytes.Buffer
err := buildAny(reflect.ValueOf(v), &buf, "")
return buf.Bytes(), err
}
func buildAny(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
value = reflect.Indirect(value)
if !value.IsValid() {
return nil
}
vtype := value.Type()
t := tag.Get("type")
if t == "" {
switch vtype.Kind() {
case reflect.Struct:
// also it can't be a time object
if value.Type() != timeType {
t = "structure"
}
case reflect.Slice:
// also it can't be a byte slice
if _, ok := value.Interface().([]byte); !ok {
t = "list"
}
case reflect.Map:
t = "map"
}
}
switch t {
case "structure":
if field, ok := vtype.FieldByName("_"); ok {
tag = field.Tag
}
return buildStruct(value, buf, tag)
case "list":
return buildList(value, buf, tag)
case "map":
return buildMap(value, buf, tag)
default:
return buildScalar(value, buf, tag)
}
}
func buildStruct(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
if !value.IsValid() {
return nil
}
// unwrap payloads
if payload := tag.Get("payload"); payload != "" {
field, _ := value.Type().FieldByName(payload)
tag = field.Tag
value = elemOf(value.FieldByName(payload))
if !value.IsValid() {
return nil
}
}
buf.WriteByte('{')
t := value.Type()
first := true
for i := 0; i < t.NumField(); i++ {
member := value.Field(i)
field := t.Field(i)
if field.PkgPath != "" {
continue // ignore unexported fields
}
if field.Tag.Get("json") == "-" {
continue
}
if field.Tag.Get("location") != "" {
continue // ignore non-body elements
}
if protocol.CanSetIdempotencyToken(member, field) {
token := protocol.GetIdempotencyToken()
member = reflect.ValueOf(&token)
}
if (member.Kind() == reflect.Ptr || member.Kind() == reflect.Slice || member.Kind() == reflect.Map) && member.IsNil() {
continue // ignore unset fields
}
if first {
first = false
} else {
buf.WriteByte(',')
}
// figure out what this field is called
name := field.Name
if locName := field.Tag.Get("locationName"); locName != "" {
name = locName
}
writeString(name, buf)
buf.WriteString(`:`)
err := buildAny(member, buf, field.Tag)
if err != nil {
return err
}
}
buf.WriteString("}")
return nil
}
func buildList(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
buf.WriteString("[")
for i := 0; i < value.Len(); i++ {
buildAny(value.Index(i), buf, "")
if i < value.Len()-1 {
buf.WriteString(",")
}
}
buf.WriteString("]")
return nil
}
type sortedValues []reflect.Value
func (sv sortedValues) Len() int { return len(sv) }
func (sv sortedValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] }
func (sv sortedValues) Less(i, j int) bool { return sv[i].String() < sv[j].String() }
func buildMap(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
buf.WriteString("{")
sv := sortedValues(value.MapKeys())
sort.Sort(sv)
for i, k := range sv {
if i > 0 {
buf.WriteByte(',')
}
writeString(k.String(), buf)
buf.WriteString(`:`)
buildAny(value.MapIndex(k), buf, "")
}
buf.WriteString("}")
return nil
}
func buildScalar(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
switch value.Kind() {
case reflect.String:
writeString(value.String(), buf)
case reflect.Bool:
buf.WriteString(strconv.FormatBool(value.Bool()))
case reflect.Int64:
buf.WriteString(strconv.FormatInt(value.Int(), 10))
case reflect.Float64:
buf.WriteString(strconv.FormatFloat(value.Float(), 'f', -1, 64))
default:
switch value.Type() {
case timeType:
converted := value.Interface().(time.Time)
buf.WriteString(strconv.FormatInt(converted.UTC().Unix(), 10))
case byteSliceType:
if !value.IsNil() {
converted := value.Interface().([]byte)
buf.WriteByte('"')
if len(converted) < 1024 {
// for small buffers, using Encode directly is much faster.
dst := make([]byte, base64.StdEncoding.EncodedLen(len(converted)))
base64.StdEncoding.Encode(dst, converted)
buf.Write(dst)
} else {
// for large buffers, avoid unnecessary extra temporary
// buffer space.
enc := base64.NewEncoder(base64.StdEncoding, buf)
enc.Write(converted)
enc.Close()
}
buf.WriteByte('"')
}
default:
return fmt.Errorf("unsupported JSON value %v (%s)", value.Interface(), value.Type())
}
}
return nil
}
func writeString(s string, buf *bytes.Buffer) {
buf.WriteByte('"')
for _, r := range s {
if r == '"' {
buf.WriteString(`\"`)
} else if r == '\\' {
buf.WriteString(`\\`)
} else if r == '\b' {
buf.WriteString(`\b`)
} else if r == '\f' {
buf.WriteString(`\f`)
} else if r == '\r' {
buf.WriteString(`\r`)
} else if r == '\t' {
buf.WriteString(`\t`)
} else if r == '\n' {
buf.WriteString(`\n`)
} else if r < 32 {
fmt.Fprintf(buf, "\\u%0.4x", r)
} else {
buf.WriteRune(r)
}
}
buf.WriteByte('"')
}
// Returns the reflection element of a value, if it is a pointer.
func elemOf(value reflect.Value) reflect.Value {
for value.Kind() == reflect.Ptr {
value = value.Elem()
}
return value
}

213
vendor/github.com/aws/aws-sdk-go/private/protocol/json/jsonutil/unmarshal.go сгенерированный поставляемый Normal file
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@ -0,0 +1,213 @@
package jsonutil
import (
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"reflect"
"time"
)
// UnmarshalJSON reads a stream and unmarshals the results in object v.
func UnmarshalJSON(v interface{}, stream io.Reader) error {
var out interface{}
b, err := ioutil.ReadAll(stream)
if err != nil {
return err
}
if len(b) == 0 {
return nil
}
if err := json.Unmarshal(b, &out); err != nil {
return err
}
return unmarshalAny(reflect.ValueOf(v), out, "")
}
func unmarshalAny(value reflect.Value, data interface{}, tag reflect.StructTag) error {
vtype := value.Type()
if vtype.Kind() == reflect.Ptr {
vtype = vtype.Elem() // check kind of actual element type
}
t := tag.Get("type")
if t == "" {
switch vtype.Kind() {
case reflect.Struct:
// also it can't be a time object
if _, ok := value.Interface().(*time.Time); !ok {
t = "structure"
}
case reflect.Slice:
// also it can't be a byte slice
if _, ok := value.Interface().([]byte); !ok {
t = "list"
}
case reflect.Map:
t = "map"
}
}
switch t {
case "structure":
if field, ok := vtype.FieldByName("_"); ok {
tag = field.Tag
}
return unmarshalStruct(value, data, tag)
case "list":
return unmarshalList(value, data, tag)
case "map":
return unmarshalMap(value, data, tag)
default:
return unmarshalScalar(value, data, tag)
}
}
func unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTag) error {
if data == nil {
return nil
}
mapData, ok := data.(map[string]interface{})
if !ok {
return fmt.Errorf("JSON value is not a structure (%#v)", data)
}
t := value.Type()
if value.Kind() == reflect.Ptr {
if value.IsNil() { // create the structure if it's nil
s := reflect.New(value.Type().Elem())
value.Set(s)
value = s
}
value = value.Elem()
t = t.Elem()
}
// unwrap any payloads
if payload := tag.Get("payload"); payload != "" {
field, _ := t.FieldByName(payload)
return unmarshalAny(value.FieldByName(payload), data, field.Tag)
}
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
if field.PkgPath != "" {
continue // ignore unexported fields
}
// figure out what this field is called
name := field.Name
if locName := field.Tag.Get("locationName"); locName != "" {
name = locName
}
member := value.FieldByIndex(field.Index)
err := unmarshalAny(member, mapData[name], field.Tag)
if err != nil {
return err
}
}
return nil
}
func unmarshalList(value reflect.Value, data interface{}, tag reflect.StructTag) error {
if data == nil {
return nil
}
listData, ok := data.([]interface{})
if !ok {
return fmt.Errorf("JSON value is not a list (%#v)", data)
}
if value.IsNil() {
l := len(listData)
value.Set(reflect.MakeSlice(value.Type(), l, l))
}
for i, c := range listData {
err := unmarshalAny(value.Index(i), c, "")
if err != nil {
return err
}
}
return nil
}
func unmarshalMap(value reflect.Value, data interface{}, tag reflect.StructTag) error {
if data == nil {
return nil
}
mapData, ok := data.(map[string]interface{})
if !ok {
return fmt.Errorf("JSON value is not a map (%#v)", data)
}
if value.IsNil() {
value.Set(reflect.MakeMap(value.Type()))
}
for k, v := range mapData {
kvalue := reflect.ValueOf(k)
vvalue := reflect.New(value.Type().Elem()).Elem()
unmarshalAny(vvalue, v, "")
value.SetMapIndex(kvalue, vvalue)
}
return nil
}
func unmarshalScalar(value reflect.Value, data interface{}, tag reflect.StructTag) error {
errf := func() error {
return fmt.Errorf("unsupported value: %v (%s)", value.Interface(), value.Type())
}
switch d := data.(type) {
case nil:
return nil // nothing to do here
case string:
switch value.Interface().(type) {
case *string:
value.Set(reflect.ValueOf(&d))
case []byte:
b, err := base64.StdEncoding.DecodeString(d)
if err != nil {
return err
}
value.Set(reflect.ValueOf(b))
default:
return errf()
}
case float64:
switch value.Interface().(type) {
case *int64:
di := int64(d)
value.Set(reflect.ValueOf(&di))
case *float64:
value.Set(reflect.ValueOf(&d))
case *time.Time:
t := time.Unix(int64(d), 0).UTC()
value.Set(reflect.ValueOf(&t))
default:
return errf()
}
case bool:
switch value.Interface().(type) {
case *bool:
value.Set(reflect.ValueOf(&d))
default:
return errf()
}
default:
return fmt.Errorf("unsupported JSON value (%v)", data)
}
return nil
}

111
vendor/github.com/aws/aws-sdk-go/private/protocol/jsonrpc/jsonrpc.go сгенерированный поставляемый Normal file
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// Package jsonrpc provides JSON RPC utilities for serialization of AWS
// requests and responses.
package jsonrpc
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/input/json.json build_test.go
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/output/json.json unmarshal_test.go
import (
"encoding/json"
"io/ioutil"
"strings"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol/json/jsonutil"
"github.com/aws/aws-sdk-go/private/protocol/rest"
)
var emptyJSON = []byte("{}")
// BuildHandler is a named request handler for building jsonrpc protocol requests
var BuildHandler = request.NamedHandler{Name: "awssdk.jsonrpc.Build", Fn: Build}
// UnmarshalHandler is a named request handler for unmarshaling jsonrpc protocol requests
var UnmarshalHandler = request.NamedHandler{Name: "awssdk.jsonrpc.Unmarshal", Fn: Unmarshal}
// UnmarshalMetaHandler is a named request handler for unmarshaling jsonrpc protocol request metadata
var UnmarshalMetaHandler = request.NamedHandler{Name: "awssdk.jsonrpc.UnmarshalMeta", Fn: UnmarshalMeta}
// UnmarshalErrorHandler is a named request handler for unmarshaling jsonrpc protocol request errors
var UnmarshalErrorHandler = request.NamedHandler{Name: "awssdk.jsonrpc.UnmarshalError", Fn: UnmarshalError}
// Build builds a JSON payload for a JSON RPC request.
func Build(req *request.Request) {
var buf []byte
var err error
if req.ParamsFilled() {
buf, err = jsonutil.BuildJSON(req.Params)
if err != nil {
req.Error = awserr.New("SerializationError", "failed encoding JSON RPC request", err)
return
}
} else {
buf = emptyJSON
}
if req.ClientInfo.TargetPrefix != "" || string(buf) != "{}" {
req.SetBufferBody(buf)
}
if req.ClientInfo.TargetPrefix != "" {
target := req.ClientInfo.TargetPrefix + "." + req.Operation.Name
req.HTTPRequest.Header.Add("X-Amz-Target", target)
}
if req.ClientInfo.JSONVersion != "" {
jsonVersion := req.ClientInfo.JSONVersion
req.HTTPRequest.Header.Add("Content-Type", "application/x-amz-json-"+jsonVersion)
}
}
// Unmarshal unmarshals a response for a JSON RPC service.
func Unmarshal(req *request.Request) {
defer req.HTTPResponse.Body.Close()
if req.DataFilled() {
err := jsonutil.UnmarshalJSON(req.Data, req.HTTPResponse.Body)
if err != nil {
req.Error = awserr.New("SerializationError", "failed decoding JSON RPC response", err)
}
}
return
}
// UnmarshalMeta unmarshals headers from a response for a JSON RPC service.
func UnmarshalMeta(req *request.Request) {
rest.UnmarshalMeta(req)
}
// UnmarshalError unmarshals an error response for a JSON RPC service.
func UnmarshalError(req *request.Request) {
defer req.HTTPResponse.Body.Close()
bodyBytes, err := ioutil.ReadAll(req.HTTPResponse.Body)
if err != nil {
req.Error = awserr.New("SerializationError", "failed reading JSON RPC error response", err)
return
}
if len(bodyBytes) == 0 {
req.Error = awserr.NewRequestFailure(
awserr.New("SerializationError", req.HTTPResponse.Status, nil),
req.HTTPResponse.StatusCode,
"",
)
return
}
var jsonErr jsonErrorResponse
if err := json.Unmarshal(bodyBytes, &jsonErr); err != nil {
req.Error = awserr.New("SerializationError", "failed decoding JSON RPC error response", err)
return
}
codes := strings.SplitN(jsonErr.Code, "#", 2)
req.Error = awserr.NewRequestFailure(
awserr.New(codes[len(codes)-1], jsonErr.Message, nil),
req.HTTPResponse.StatusCode,
req.RequestID,
)
}
type jsonErrorResponse struct {
Code string `json:"__type"`
Message string `json:"message"`
}

36
vendor/github.com/aws/aws-sdk-go/private/protocol/query/build.go сгенерированный поставляемый Normal file
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// Package query provides serialization of AWS query requests, and responses.
package query
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/input/query.json build_test.go
import (
"net/url"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol/query/queryutil"
)
// BuildHandler is a named request handler for building query protocol requests
var BuildHandler = request.NamedHandler{Name: "awssdk.query.Build", Fn: Build}
// Build builds a request for an AWS Query service.
func Build(r *request.Request) {
body := url.Values{
"Action": {r.Operation.Name},
"Version": {r.ClientInfo.APIVersion},
}
if err := queryutil.Parse(body, r.Params, false); err != nil {
r.Error = awserr.New("SerializationError", "failed encoding Query request", err)
return
}
if r.ExpireTime == 0 {
r.HTTPRequest.Method = "POST"
r.HTTPRequest.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
r.SetBufferBody([]byte(body.Encode()))
} else { // This is a pre-signed request
r.HTTPRequest.Method = "GET"
r.HTTPRequest.URL.RawQuery = body.Encode()
}
}

230
vendor/github.com/aws/aws-sdk-go/private/protocol/query/queryutil/queryutil.go сгенерированный поставляемый Normal file
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@ -0,0 +1,230 @@
package queryutil
import (
"encoding/base64"
"fmt"
"net/url"
"reflect"
"sort"
"strconv"
"strings"
"time"
"github.com/aws/aws-sdk-go/private/protocol"
)
// Parse parses an object i and fills a url.Values object. The isEC2 flag
// indicates if this is the EC2 Query sub-protocol.
func Parse(body url.Values, i interface{}, isEC2 bool) error {
q := queryParser{isEC2: isEC2}
return q.parseValue(body, reflect.ValueOf(i), "", "")
}
func elemOf(value reflect.Value) reflect.Value {
for value.Kind() == reflect.Ptr {
value = value.Elem()
}
return value
}
type queryParser struct {
isEC2 bool
}
func (q *queryParser) parseValue(v url.Values, value reflect.Value, prefix string, tag reflect.StructTag) error {
value = elemOf(value)
// no need to handle zero values
if !value.IsValid() {
return nil
}
t := tag.Get("type")
if t == "" {
switch value.Kind() {
case reflect.Struct:
t = "structure"
case reflect.Slice:
t = "list"
case reflect.Map:
t = "map"
}
}
switch t {
case "structure":
return q.parseStruct(v, value, prefix)
case "list":
return q.parseList(v, value, prefix, tag)
case "map":
return q.parseMap(v, value, prefix, tag)
default:
return q.parseScalar(v, value, prefix, tag)
}
}
func (q *queryParser) parseStruct(v url.Values, value reflect.Value, prefix string) error {
if !value.IsValid() {
return nil
}
t := value.Type()
for i := 0; i < value.NumField(); i++ {
elemValue := elemOf(value.Field(i))
field := t.Field(i)
if field.PkgPath != "" {
continue // ignore unexported fields
}
if protocol.CanSetIdempotencyToken(value.Field(i), field) {
token := protocol.GetIdempotencyToken()
elemValue = reflect.ValueOf(token)
}
var name string
if q.isEC2 {
name = field.Tag.Get("queryName")
}
if name == "" {
if field.Tag.Get("flattened") != "" && field.Tag.Get("locationNameList") != "" {
name = field.Tag.Get("locationNameList")
} else if locName := field.Tag.Get("locationName"); locName != "" {
name = locName
}
if name != "" && q.isEC2 {
name = strings.ToUpper(name[0:1]) + name[1:]
}
}
if name == "" {
name = field.Name
}
if prefix != "" {
name = prefix + "." + name
}
if err := q.parseValue(v, elemValue, name, field.Tag); err != nil {
return err
}
}
return nil
}
func (q *queryParser) parseList(v url.Values, value reflect.Value, prefix string, tag reflect.StructTag) error {
// If it's empty, generate an empty value
if !value.IsNil() && value.Len() == 0 {
v.Set(prefix, "")
return nil
}
// check for unflattened list member
if !q.isEC2 && tag.Get("flattened") == "" {
prefix += ".member"
}
for i := 0; i < value.Len(); i++ {
slicePrefix := prefix
if slicePrefix == "" {
slicePrefix = strconv.Itoa(i + 1)
} else {
slicePrefix = slicePrefix + "." + strconv.Itoa(i+1)
}
if err := q.parseValue(v, value.Index(i), slicePrefix, ""); err != nil {
return err
}
}
return nil
}
func (q *queryParser) parseMap(v url.Values, value reflect.Value, prefix string, tag reflect.StructTag) error {
// If it's empty, generate an empty value
if !value.IsNil() && value.Len() == 0 {
v.Set(prefix, "")
return nil
}
// check for unflattened list member
if !q.isEC2 && tag.Get("flattened") == "" {
prefix += ".entry"
}
// sort keys for improved serialization consistency.
// this is not strictly necessary for protocol support.
mapKeyValues := value.MapKeys()
mapKeys := map[string]reflect.Value{}
mapKeyNames := make([]string, len(mapKeyValues))
for i, mapKey := range mapKeyValues {
name := mapKey.String()
mapKeys[name] = mapKey
mapKeyNames[i] = name
}
sort.Strings(mapKeyNames)
for i, mapKeyName := range mapKeyNames {
mapKey := mapKeys[mapKeyName]
mapValue := value.MapIndex(mapKey)
kname := tag.Get("locationNameKey")
if kname == "" {
kname = "key"
}
vname := tag.Get("locationNameValue")
if vname == "" {
vname = "value"
}
// serialize key
var keyName string
if prefix == "" {
keyName = strconv.Itoa(i+1) + "." + kname
} else {
keyName = prefix + "." + strconv.Itoa(i+1) + "." + kname
}
if err := q.parseValue(v, mapKey, keyName, ""); err != nil {
return err
}
// serialize value
var valueName string
if prefix == "" {
valueName = strconv.Itoa(i+1) + "." + vname
} else {
valueName = prefix + "." + strconv.Itoa(i+1) + "." + vname
}
if err := q.parseValue(v, mapValue, valueName, ""); err != nil {
return err
}
}
return nil
}
func (q *queryParser) parseScalar(v url.Values, r reflect.Value, name string, tag reflect.StructTag) error {
switch value := r.Interface().(type) {
case string:
v.Set(name, value)
case []byte:
if !r.IsNil() {
v.Set(name, base64.StdEncoding.EncodeToString(value))
}
case bool:
v.Set(name, strconv.FormatBool(value))
case int64:
v.Set(name, strconv.FormatInt(value, 10))
case int:
v.Set(name, strconv.Itoa(value))
case float64:
v.Set(name, strconv.FormatFloat(value, 'f', -1, 64))
case float32:
v.Set(name, strconv.FormatFloat(float64(value), 'f', -1, 32))
case time.Time:
const ISO8601UTC = "2006-01-02T15:04:05Z"
v.Set(name, value.UTC().Format(ISO8601UTC))
default:
return fmt.Errorf("unsupported value for param %s: %v (%s)", name, r.Interface(), r.Type().Name())
}
return nil
}

35
vendor/github.com/aws/aws-sdk-go/private/protocol/query/unmarshal.go сгенерированный поставляемый Normal file
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@ -0,0 +1,35 @@
package query
//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/output/query.json unmarshal_test.go
import (
"encoding/xml"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil"
)
// UnmarshalHandler is a named request handler for unmarshaling query protocol requests
var UnmarshalHandler = request.NamedHandler{Name: "awssdk.query.Unmarshal", Fn: Unmarshal}
// UnmarshalMetaHandler is a named request handler for unmarshaling query protocol request metadata
var UnmarshalMetaHandler = request.NamedHandler{Name: "awssdk.query.UnmarshalMeta", Fn: UnmarshalMeta}
// Unmarshal unmarshals a response for an AWS Query service.
func Unmarshal(r *request.Request) {
defer r.HTTPResponse.Body.Close()
if r.DataFilled() {
decoder := xml.NewDecoder(r.HTTPResponse.Body)
err := xmlutil.UnmarshalXML(r.Data, decoder, r.Operation.Name+"Result")
if err != nil {
r.Error = awserr.New("SerializationError", "failed decoding Query response", err)
return
}
}
}
// UnmarshalMeta unmarshals header response values for an AWS Query service.
func UnmarshalMeta(r *request.Request) {
r.RequestID = r.HTTPResponse.Header.Get("X-Amzn-Requestid")
}

66
vendor/github.com/aws/aws-sdk-go/private/protocol/query/unmarshal_error.go сгенерированный поставляемый Normal file
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@ -0,0 +1,66 @@
package query
import (
"encoding/xml"
"io/ioutil"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
)
type xmlErrorResponse struct {
XMLName xml.Name `xml:"ErrorResponse"`
Code string `xml:"Error>Code"`
Message string `xml:"Error>Message"`
RequestID string `xml:"RequestId"`
}
type xmlServiceUnavailableResponse struct {
XMLName xml.Name `xml:"ServiceUnavailableException"`
}
// UnmarshalErrorHandler is a name request handler to unmarshal request errors
var UnmarshalErrorHandler = request.NamedHandler{Name: "awssdk.query.UnmarshalError", Fn: UnmarshalError}
// UnmarshalError unmarshals an error response for an AWS Query service.
func UnmarshalError(r *request.Request) {
defer r.HTTPResponse.Body.Close()
bodyBytes, err := ioutil.ReadAll(r.HTTPResponse.Body)
if err != nil {
r.Error = awserr.New("SerializationError", "failed to read from query HTTP response body", err)
return
}
// First check for specific error
resp := xmlErrorResponse{}
decodeErr := xml.Unmarshal(bodyBytes, &resp)
if decodeErr == nil {
reqID := resp.RequestID
if reqID == "" {
reqID = r.RequestID
}
r.Error = awserr.NewRequestFailure(
awserr.New(resp.Code, resp.Message, nil),
r.HTTPResponse.StatusCode,
reqID,
)
return
}
// Check for unhandled error
servUnavailResp := xmlServiceUnavailableResponse{}
unavailErr := xml.Unmarshal(bodyBytes, &servUnavailResp)
if unavailErr == nil {
r.Error = awserr.NewRequestFailure(
awserr.New("ServiceUnavailableException", "service is unavailable", nil),
r.HTTPResponse.StatusCode,
r.RequestID,
)
return
}
// Failed to retrieve any error message from the response body
r.Error = awserr.New("SerializationError",
"failed to decode query XML error response", decodeErr)
}

256
vendor/github.com/aws/aws-sdk-go/private/protocol/rest/build.go сгенерированный поставляемый Normal file
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@ -0,0 +1,256 @@
// Package rest provides RESTful serialization of AWS requests and responses.
package rest
import (
"bytes"
"encoding/base64"
"fmt"
"io"
"net/http"
"net/url"
"path"
"reflect"
"strconv"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
)
// RFC822 returns an RFC822 formatted timestamp for AWS protocols
const RFC822 = "Mon, 2 Jan 2006 15:04:05 GMT"
// Whether the byte value can be sent without escaping in AWS URLs
var noEscape [256]bool
var errValueNotSet = fmt.Errorf("value not set")
func init() {
for i := 0; i < len(noEscape); i++ {
// AWS expects every character except these to be escaped
noEscape[i] = (i >= 'A' && i <= 'Z') ||
(i >= 'a' && i <= 'z') ||
(i >= '0' && i <= '9') ||
i == '-' ||
i == '.' ||
i == '_' ||
i == '~'
}
}
// BuildHandler is a named request handler for building rest protocol requests
var BuildHandler = request.NamedHandler{Name: "awssdk.rest.Build", Fn: Build}
// Build builds the REST component of a service request.
func Build(r *request.Request) {
if r.ParamsFilled() {
v := reflect.ValueOf(r.Params).Elem()
buildLocationElements(r, v)
buildBody(r, v)
}
}
func buildLocationElements(r *request.Request, v reflect.Value) {
query := r.HTTPRequest.URL.Query()
for i := 0; i < v.NumField(); i++ {
m := v.Field(i)
if n := v.Type().Field(i).Name; n[0:1] == strings.ToLower(n[0:1]) {
continue
}
if m.IsValid() {
field := v.Type().Field(i)
name := field.Tag.Get("locationName")
if name == "" {
name = field.Name
}
if m.Kind() == reflect.Ptr {
m = m.Elem()
}
if !m.IsValid() {
continue
}
var err error
switch field.Tag.Get("location") {
case "headers": // header maps
err = buildHeaderMap(&r.HTTPRequest.Header, m, field.Tag.Get("locationName"))
case "header":
err = buildHeader(&r.HTTPRequest.Header, m, name)
case "uri":
err = buildURI(r.HTTPRequest.URL, m, name)
case "querystring":
err = buildQueryString(query, m, name)
}
r.Error = err
}
if r.Error != nil {
return
}
}
r.HTTPRequest.URL.RawQuery = query.Encode()
updatePath(r.HTTPRequest.URL, r.HTTPRequest.URL.Path)
}
func buildBody(r *request.Request, v reflect.Value) {
if field, ok := v.Type().FieldByName("_"); ok {
if payloadName := field.Tag.Get("payload"); payloadName != "" {
pfield, _ := v.Type().FieldByName(payloadName)
if ptag := pfield.Tag.Get("type"); ptag != "" && ptag != "structure" {
payload := reflect.Indirect(v.FieldByName(payloadName))
if payload.IsValid() && payload.Interface() != nil {
switch reader := payload.Interface().(type) {
case io.ReadSeeker:
r.SetReaderBody(reader)
case []byte:
r.SetBufferBody(reader)
case string:
r.SetStringBody(reader)
default:
r.Error = awserr.New("SerializationError",
"failed to encode REST request",
fmt.Errorf("unknown payload type %s", payload.Type()))
}
}
}
}
}
}
func buildHeader(header *http.Header, v reflect.Value, name string) error {
str, err := convertType(v)
if err == errValueNotSet {
return nil
} else if err != nil {
return awserr.New("SerializationError", "failed to encode REST request", err)
}
header.Add(name, str)
return nil
}
func buildHeaderMap(header *http.Header, v reflect.Value, prefix string) error {
for _, key := range v.MapKeys() {
str, err := convertType(v.MapIndex(key))
if err == errValueNotSet {
continue
} else if err != nil {
return awserr.New("SerializationError", "failed to encode REST request", err)
}
header.Add(prefix+key.String(), str)
}
return nil
}
func buildURI(u *url.URL, v reflect.Value, name string) error {
value, err := convertType(v)
if err == errValueNotSet {
return nil
} else if err != nil {
return awserr.New("SerializationError", "failed to encode REST request", err)
}
uri := u.Path
uri = strings.Replace(uri, "{"+name+"}", EscapePath(value, true), -1)
uri = strings.Replace(uri, "{"+name+"+}", EscapePath(value, false), -1)
u.Path = uri
return nil
}
func buildQueryString(query url.Values, v reflect.Value, name string) error {
switch value := v.Interface().(type) {
case []*string:
for _, item := range value {
query.Add(name, *item)
}
case map[string]*string:
for key, item := range value {
query.Add(key, *item)
}
case map[string][]*string:
for key, items := range value {
for _, item := range items {
query.Add(key, *item)
}
}
default:
str, err := convertType(v)
if err == errValueNotSet {
return nil
} else if err != nil {
return awserr.New("SerializationError", "failed to encode REST request", err)
}
query.Set(name, str)
}
return nil
}
func updatePath(url *url.URL, urlPath string) {
scheme, query := url.Scheme, url.RawQuery
hasSlash := strings.HasSuffix(urlPath, "/")
// clean up path
urlPath = path.Clean(urlPath)
if hasSlash && !strings.HasSuffix(urlPath, "/") {
urlPath += "/"
}
// get formatted URL minus scheme so we can build this into Opaque
url.Scheme, url.Path, url.RawQuery = "", "", ""
s := url.String()
url.Scheme = scheme
url.RawQuery = query
// build opaque URI
url.Opaque = s + urlPath
}
// EscapePath escapes part of a URL path in Amazon style
func EscapePath(path string, encodeSep bool) string {
var buf bytes.Buffer
for i := 0; i < len(path); i++ {
c := path[i]
if noEscape[c] || (c == '/' && !encodeSep) {
buf.WriteByte(c)
} else {
fmt.Fprintf(&buf, "%%%02X", c)
}
}
return buf.String()
}
func convertType(v reflect.Value) (string, error) {
v = reflect.Indirect(v)
if !v.IsValid() {
return "", errValueNotSet
}
var str string
switch value := v.Interface().(type) {
case string:
str = value
case []byte:
str = base64.StdEncoding.EncodeToString(value)
case bool:
str = strconv.FormatBool(value)
case int64:
str = strconv.FormatInt(value, 10)
case float64:
str = strconv.FormatFloat(value, 'f', -1, 64)
case time.Time:
str = value.UTC().Format(RFC822)
default:
err := fmt.Errorf("Unsupported value for param %v (%s)", v.Interface(), v.Type())
return "", err
}
return str, nil
}

45
vendor/github.com/aws/aws-sdk-go/private/protocol/rest/payload.go сгенерированный поставляемый Normal file
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@ -0,0 +1,45 @@
package rest
import "reflect"
// PayloadMember returns the payload field member of i if there is one, or nil.
func PayloadMember(i interface{}) interface{} {
if i == nil {
return nil
}
v := reflect.ValueOf(i).Elem()
if !v.IsValid() {
return nil
}
if field, ok := v.Type().FieldByName("_"); ok {
if payloadName := field.Tag.Get("payload"); payloadName != "" {
field, _ := v.Type().FieldByName(payloadName)
if field.Tag.Get("type") != "structure" {
return nil
}
payload := v.FieldByName(payloadName)
if payload.IsValid() || (payload.Kind() == reflect.Ptr && !payload.IsNil()) {
return payload.Interface()
}
}
}
return nil
}
// PayloadType returns the type of a payload field member of i if there is one, or "".
func PayloadType(i interface{}) string {
v := reflect.Indirect(reflect.ValueOf(i))
if !v.IsValid() {
return ""
}
if field, ok := v.Type().FieldByName("_"); ok {
if payloadName := field.Tag.Get("payload"); payloadName != "" {
if member, ok := v.Type().FieldByName(payloadName); ok {
return member.Tag.Get("type")
}
}
}
return ""
}

198
vendor/github.com/aws/aws-sdk-go/private/protocol/rest/unmarshal.go сгенерированный поставляемый Normal file
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@ -0,0 +1,198 @@
package rest
import (
"encoding/base64"
"fmt"
"io"
"io/ioutil"
"net/http"
"reflect"
"strconv"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/request"
)
// UnmarshalHandler is a named request handler for unmarshaling rest protocol requests
var UnmarshalHandler = request.NamedHandler{Name: "awssdk.rest.Unmarshal", Fn: Unmarshal}
// UnmarshalMetaHandler is a named request handler for unmarshaling rest protocol request metadata
var UnmarshalMetaHandler = request.NamedHandler{Name: "awssdk.rest.UnmarshalMeta", Fn: UnmarshalMeta}
// Unmarshal unmarshals the REST component of a response in a REST service.
func Unmarshal(r *request.Request) {
if r.DataFilled() {
v := reflect.Indirect(reflect.ValueOf(r.Data))
unmarshalBody(r, v)
}
}
// UnmarshalMeta unmarshals the REST metadata of a response in a REST service
func UnmarshalMeta(r *request.Request) {
r.RequestID = r.HTTPResponse.Header.Get("X-Amzn-Requestid")
if r.RequestID == "" {
// Alternative version of request id in the header
r.RequestID = r.HTTPResponse.Header.Get("X-Amz-Request-Id")
}
if r.DataFilled() {
v := reflect.Indirect(reflect.ValueOf(r.Data))
unmarshalLocationElements(r, v)
}
}
func unmarshalBody(r *request.Request, v reflect.Value) {
if field, ok := v.Type().FieldByName("_"); ok {
if payloadName := field.Tag.Get("payload"); payloadName != "" {
pfield, _ := v.Type().FieldByName(payloadName)
if ptag := pfield.Tag.Get("type"); ptag != "" && ptag != "structure" {
payload := v.FieldByName(payloadName)
if payload.IsValid() {
switch payload.Interface().(type) {
case []byte:
defer r.HTTPResponse.Body.Close()
b, err := ioutil.ReadAll(r.HTTPResponse.Body)
if err != nil {
r.Error = awserr.New("SerializationError", "failed to decode REST response", err)
} else {
payload.Set(reflect.ValueOf(b))
}
case *string:
defer r.HTTPResponse.Body.Close()
b, err := ioutil.ReadAll(r.HTTPResponse.Body)
if err != nil {
r.Error = awserr.New("SerializationError", "failed to decode REST response", err)
} else {
str := string(b)
payload.Set(reflect.ValueOf(&str))
}
default:
switch payload.Type().String() {
case "io.ReadSeeker":
payload.Set(reflect.ValueOf(aws.ReadSeekCloser(r.HTTPResponse.Body)))
case "aws.ReadSeekCloser", "io.ReadCloser":
payload.Set(reflect.ValueOf(r.HTTPResponse.Body))
default:
io.Copy(ioutil.Discard, r.HTTPResponse.Body)
defer r.HTTPResponse.Body.Close()
r.Error = awserr.New("SerializationError",
"failed to decode REST response",
fmt.Errorf("unknown payload type %s", payload.Type()))
}
}
}
}
}
}
}
func unmarshalLocationElements(r *request.Request, v reflect.Value) {
for i := 0; i < v.NumField(); i++ {
m, field := v.Field(i), v.Type().Field(i)
if n := field.Name; n[0:1] == strings.ToLower(n[0:1]) {
continue
}
if m.IsValid() {
name := field.Tag.Get("locationName")
if name == "" {
name = field.Name
}
switch field.Tag.Get("location") {
case "statusCode":
unmarshalStatusCode(m, r.HTTPResponse.StatusCode)
case "header":
err := unmarshalHeader(m, r.HTTPResponse.Header.Get(name))
if err != nil {
r.Error = awserr.New("SerializationError", "failed to decode REST response", err)
break
}
case "headers":
prefix := field.Tag.Get("locationName")
err := unmarshalHeaderMap(m, r.HTTPResponse.Header, prefix)
if err != nil {
r.Error = awserr.New("SerializationError", "failed to decode REST response", err)
break
}
}
}
if r.Error != nil {
return
}
}
}
func unmarshalStatusCode(v reflect.Value, statusCode int) {
if !v.IsValid() {
return
}
switch v.Interface().(type) {
case *int64:
s := int64(statusCode)
v.Set(reflect.ValueOf(&s))
}
}
func unmarshalHeaderMap(r reflect.Value, headers http.Header, prefix string) error {
switch r.Interface().(type) {
case map[string]*string: // we only support string map value types
out := map[string]*string{}
for k, v := range headers {
k = http.CanonicalHeaderKey(k)
if strings.HasPrefix(strings.ToLower(k), strings.ToLower(prefix)) {
out[k[len(prefix):]] = &v[0]
}
}
r.Set(reflect.ValueOf(out))
}
return nil
}
func unmarshalHeader(v reflect.Value, header string) error {
if !v.IsValid() || (header == "" && v.Elem().Kind() != reflect.String) {
return nil
}
switch v.Interface().(type) {
case *string:
v.Set(reflect.ValueOf(&header))
case []byte:
b, err := base64.StdEncoding.DecodeString(header)
if err != nil {
return err
}
v.Set(reflect.ValueOf(&b))
case *bool:
b, err := strconv.ParseBool(header)
if err != nil {
return err
}
v.Set(reflect.ValueOf(&b))
case *int64:
i, err := strconv.ParseInt(header, 10, 64)
if err != nil {
return err
}
v.Set(reflect.ValueOf(&i))
case *float64:
f, err := strconv.ParseFloat(header, 64)
if err != nil {
return err
}
v.Set(reflect.ValueOf(&f))
case *time.Time:
t, err := time.Parse(RFC822, header)
if err != nil {
return err
}
v.Set(reflect.ValueOf(&t))
default:
err := fmt.Errorf("Unsupported value for param %v (%s)", v.Interface(), v.Type())
return err
}
return nil
}

21
vendor/github.com/aws/aws-sdk-go/private/protocol/unmarshal.go сгенерированный поставляемый Normal file
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@ -0,0 +1,21 @@
package protocol
import (
"io"
"io/ioutil"
"github.com/aws/aws-sdk-go/aws/request"
)
// UnmarshalDiscardBodyHandler is a named request handler to empty and close a response's body
var UnmarshalDiscardBodyHandler = request.NamedHandler{Name: "awssdk.shared.UnmarshalDiscardBody", Fn: UnmarshalDiscardBody}
// UnmarshalDiscardBody is a request handler to empty a response's body and closing it.
func UnmarshalDiscardBody(r *request.Request) {
if r.HTTPResponse == nil || r.HTTPResponse.Body == nil {
return
}
io.Copy(ioutil.Discard, r.HTTPResponse.Body)
r.HTTPResponse.Body.Close()
}

293
vendor/github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil/build.go сгенерированный поставляемый Normal file
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@ -0,0 +1,293 @@
// Package xmlutil provides XML serialization of AWS requests and responses.
package xmlutil
import (
"encoding/base64"
"encoding/xml"
"fmt"
"reflect"
"sort"
"strconv"
"time"
"github.com/aws/aws-sdk-go/private/protocol"
)
// BuildXML will serialize params into an xml.Encoder.
// Error will be returned if the serialization of any of the params or nested values fails.
func BuildXML(params interface{}, e *xml.Encoder) error {
b := xmlBuilder{encoder: e, namespaces: map[string]string{}}
root := NewXMLElement(xml.Name{})
if err := b.buildValue(reflect.ValueOf(params), root, ""); err != nil {
return err
}
for _, c := range root.Children {
for _, v := range c {
return StructToXML(e, v, false)
}
}
return nil
}
// Returns the reflection element of a value, if it is a pointer.
func elemOf(value reflect.Value) reflect.Value {
for value.Kind() == reflect.Ptr {
value = value.Elem()
}
return value
}
// A xmlBuilder serializes values from Go code to XML
type xmlBuilder struct {
encoder *xml.Encoder
namespaces map[string]string
}
// buildValue generic XMLNode builder for any type. Will build value for their specific type
// struct, list, map, scalar.
//
// Also takes a "type" tag value to set what type a value should be converted to XMLNode as. If
// type is not provided reflect will be used to determine the value's type.
func (b *xmlBuilder) buildValue(value reflect.Value, current *XMLNode, tag reflect.StructTag) error {
value = elemOf(value)
if !value.IsValid() { // no need to handle zero values
return nil
} else if tag.Get("location") != "" { // don't handle non-body location values
return nil
}
t := tag.Get("type")
if t == "" {
switch value.Kind() {
case reflect.Struct:
t = "structure"
case reflect.Slice:
t = "list"
case reflect.Map:
t = "map"
}
}
switch t {
case "structure":
if field, ok := value.Type().FieldByName("_"); ok {
tag = tag + reflect.StructTag(" ") + field.Tag
}
return b.buildStruct(value, current, tag)
case "list":
return b.buildList(value, current, tag)
case "map":
return b.buildMap(value, current, tag)
default:
return b.buildScalar(value, current, tag)
}
}
// buildStruct adds a struct and its fields to the current XMLNode. All fields any any nested
// types are converted to XMLNodes also.
func (b *xmlBuilder) buildStruct(value reflect.Value, current *XMLNode, tag reflect.StructTag) error {
if !value.IsValid() {
return nil
}
fieldAdded := false
// unwrap payloads
if payload := tag.Get("payload"); payload != "" {
field, _ := value.Type().FieldByName(payload)
tag = field.Tag
value = elemOf(value.FieldByName(payload))
if !value.IsValid() {
return nil
}
}
child := NewXMLElement(xml.Name{Local: tag.Get("locationName")})
// there is an xmlNamespace associated with this struct
if prefix, uri := tag.Get("xmlPrefix"), tag.Get("xmlURI"); uri != "" {
ns := xml.Attr{
Name: xml.Name{Local: "xmlns"},
Value: uri,
}
if prefix != "" {
b.namespaces[prefix] = uri // register the namespace
ns.Name.Local = "xmlns:" + prefix
}
child.Attr = append(child.Attr, ns)
}
t := value.Type()
for i := 0; i < value.NumField(); i++ {
member := elemOf(value.Field(i))
field := t.Field(i)
if field.PkgPath != "" {
continue // ignore unexported fields
}
mTag := field.Tag
if mTag.Get("location") != "" { // skip non-body members
continue
}
if protocol.CanSetIdempotencyToken(value.Field(i), field) {
token := protocol.GetIdempotencyToken()
member = reflect.ValueOf(token)
}
memberName := mTag.Get("locationName")
if memberName == "" {
memberName = field.Name
mTag = reflect.StructTag(string(mTag) + ` locationName:"` + memberName + `"`)
}
if err := b.buildValue(member, child, mTag); err != nil {
return err
}
fieldAdded = true
}
if fieldAdded { // only append this child if we have one ore more valid members
current.AddChild(child)
}
return nil
}
// buildList adds the value's list items to the current XMLNode as children nodes. All
// nested values in the list are converted to XMLNodes also.
func (b *xmlBuilder) buildList(value reflect.Value, current *XMLNode, tag reflect.StructTag) error {
if value.IsNil() { // don't build omitted lists
return nil
}
// check for unflattened list member
flattened := tag.Get("flattened") != ""
xname := xml.Name{Local: tag.Get("locationName")}
if flattened {
for i := 0; i < value.Len(); i++ {
child := NewXMLElement(xname)
current.AddChild(child)
if err := b.buildValue(value.Index(i), child, ""); err != nil {
return err
}
}
} else {
list := NewXMLElement(xname)
current.AddChild(list)
for i := 0; i < value.Len(); i++ {
iname := tag.Get("locationNameList")
if iname == "" {
iname = "member"
}
child := NewXMLElement(xml.Name{Local: iname})
list.AddChild(child)
if err := b.buildValue(value.Index(i), child, ""); err != nil {
return err
}
}
}
return nil
}
// buildMap adds the value's key/value pairs to the current XMLNode as children nodes. All
// nested values in the map are converted to XMLNodes also.
//
// Error will be returned if it is unable to build the map's values into XMLNodes
func (b *xmlBuilder) buildMap(value reflect.Value, current *XMLNode, tag reflect.StructTag) error {
if value.IsNil() { // don't build omitted maps
return nil
}
maproot := NewXMLElement(xml.Name{Local: tag.Get("locationName")})
current.AddChild(maproot)
current = maproot
kname, vname := "key", "value"
if n := tag.Get("locationNameKey"); n != "" {
kname = n
}
if n := tag.Get("locationNameValue"); n != "" {
vname = n
}
// sorting is not required for compliance, but it makes testing easier
keys := make([]string, value.Len())
for i, k := range value.MapKeys() {
keys[i] = k.String()
}
sort.Strings(keys)
for _, k := range keys {
v := value.MapIndex(reflect.ValueOf(k))
mapcur := current
if tag.Get("flattened") == "" { // add "entry" tag to non-flat maps
child := NewXMLElement(xml.Name{Local: "entry"})
mapcur.AddChild(child)
mapcur = child
}
kchild := NewXMLElement(xml.Name{Local: kname})
kchild.Text = k
vchild := NewXMLElement(xml.Name{Local: vname})
mapcur.AddChild(kchild)
mapcur.AddChild(vchild)
if err := b.buildValue(v, vchild, ""); err != nil {
return err
}
}
return nil
}
// buildScalar will convert the value into a string and append it as a attribute or child
// of the current XMLNode.
//
// The value will be added as an attribute if tag contains a "xmlAttribute" attribute value.
//
// Error will be returned if the value type is unsupported.
func (b *xmlBuilder) buildScalar(value reflect.Value, current *XMLNode, tag reflect.StructTag) error {
var str string
switch converted := value.Interface().(type) {
case string:
str = converted
case []byte:
if !value.IsNil() {
str = base64.StdEncoding.EncodeToString(converted)
}
case bool:
str = strconv.FormatBool(converted)
case int64:
str = strconv.FormatInt(converted, 10)
case int:
str = strconv.Itoa(converted)
case float64:
str = strconv.FormatFloat(converted, 'f', -1, 64)
case float32:
str = strconv.FormatFloat(float64(converted), 'f', -1, 32)
case time.Time:
const ISO8601UTC = "2006-01-02T15:04:05Z"
str = converted.UTC().Format(ISO8601UTC)
default:
return fmt.Errorf("unsupported value for param %s: %v (%s)",
tag.Get("locationName"), value.Interface(), value.Type().Name())
}
xname := xml.Name{Local: tag.Get("locationName")}
if tag.Get("xmlAttribute") != "" { // put into current node's attribute list
attr := xml.Attr{Name: xname, Value: str}
current.Attr = append(current.Attr, attr)
} else { // regular text node
current.AddChild(&XMLNode{Name: xname, Text: str})
}
return nil
}

260
vendor/github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil/unmarshal.go сгенерированный поставляемый Normal file
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@ -0,0 +1,260 @@
package xmlutil
import (
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"reflect"
"strconv"
"strings"
"time"
)
// UnmarshalXML deserializes an xml.Decoder into the container v. V
// needs to match the shape of the XML expected to be decoded.
// If the shape doesn't match unmarshaling will fail.
func UnmarshalXML(v interface{}, d *xml.Decoder, wrapper string) error {
n, _ := XMLToStruct(d, nil)
if n.Children != nil {
for _, root := range n.Children {
for _, c := range root {
if wrappedChild, ok := c.Children[wrapper]; ok {
c = wrappedChild[0] // pull out wrapped element
}
err := parse(reflect.ValueOf(v), c, "")
if err != nil {
if err == io.EOF {
return nil
}
return err
}
}
}
return nil
}
return nil
}
// parse deserializes any value from the XMLNode. The type tag is used to infer the type, or reflect
// will be used to determine the type from r.
func parse(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
rtype := r.Type()
if rtype.Kind() == reflect.Ptr {
rtype = rtype.Elem() // check kind of actual element type
}
t := tag.Get("type")
if t == "" {
switch rtype.Kind() {
case reflect.Struct:
t = "structure"
case reflect.Slice:
t = "list"
case reflect.Map:
t = "map"
}
}
switch t {
case "structure":
if field, ok := rtype.FieldByName("_"); ok {
tag = field.Tag
}
return parseStruct(r, node, tag)
case "list":
return parseList(r, node, tag)
case "map":
return parseMap(r, node, tag)
default:
return parseScalar(r, node, tag)
}
}
// parseStruct deserializes a structure and its fields from an XMLNode. Any nested
// types in the structure will also be deserialized.
func parseStruct(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
t := r.Type()
if r.Kind() == reflect.Ptr {
if r.IsNil() { // create the structure if it's nil
s := reflect.New(r.Type().Elem())
r.Set(s)
r = s
}
r = r.Elem()
t = t.Elem()
}
// unwrap any payloads
if payload := tag.Get("payload"); payload != "" {
field, _ := t.FieldByName(payload)
return parseStruct(r.FieldByName(payload), node, field.Tag)
}
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
if c := field.Name[0:1]; strings.ToLower(c) == c {
continue // ignore unexported fields
}
// figure out what this field is called
name := field.Name
if field.Tag.Get("flattened") != "" && field.Tag.Get("locationNameList") != "" {
name = field.Tag.Get("locationNameList")
} else if locName := field.Tag.Get("locationName"); locName != "" {
name = locName
}
// try to find the field by name in elements
elems := node.Children[name]
if elems == nil { // try to find the field in attributes
for _, a := range node.Attr {
if name == a.Name.Local {
// turn this into a text node for de-serializing
elems = []*XMLNode{{Text: a.Value}}
}
}
}
member := r.FieldByName(field.Name)
for _, elem := range elems {
err := parse(member, elem, field.Tag)
if err != nil {
return err
}
}
}
return nil
}
// parseList deserializes a list of values from an XML node. Each list entry
// will also be deserialized.
func parseList(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
t := r.Type()
if tag.Get("flattened") == "" { // look at all item entries
mname := "member"
if name := tag.Get("locationNameList"); name != "" {
mname = name
}
if Children, ok := node.Children[mname]; ok {
if r.IsNil() {
r.Set(reflect.MakeSlice(t, len(Children), len(Children)))
}
for i, c := range Children {
err := parse(r.Index(i), c, "")
if err != nil {
return err
}
}
}
} else { // flattened list means this is a single element
if r.IsNil() {
r.Set(reflect.MakeSlice(t, 0, 0))
}
childR := reflect.Zero(t.Elem())
r.Set(reflect.Append(r, childR))
err := parse(r.Index(r.Len()-1), node, "")
if err != nil {
return err
}
}
return nil
}
// parseMap deserializes a map from an XMLNode. The direct children of the XMLNode
// will also be deserialized as map entries.
func parseMap(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
if r.IsNil() {
r.Set(reflect.MakeMap(r.Type()))
}
if tag.Get("flattened") == "" { // look at all child entries
for _, entry := range node.Children["entry"] {
parseMapEntry(r, entry, tag)
}
} else { // this element is itself an entry
parseMapEntry(r, node, tag)
}
return nil
}
// parseMapEntry deserializes a map entry from a XML node.
func parseMapEntry(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
kname, vname := "key", "value"
if n := tag.Get("locationNameKey"); n != "" {
kname = n
}
if n := tag.Get("locationNameValue"); n != "" {
vname = n
}
keys, ok := node.Children[kname]
values := node.Children[vname]
if ok {
for i, key := range keys {
keyR := reflect.ValueOf(key.Text)
value := values[i]
valueR := reflect.New(r.Type().Elem()).Elem()
parse(valueR, value, "")
r.SetMapIndex(keyR, valueR)
}
}
return nil
}
// parseScaller deserializes an XMLNode value into a concrete type based on the
// interface type of r.
//
// Error is returned if the deserialization fails due to invalid type conversion,
// or unsupported interface type.
func parseScalar(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
switch r.Interface().(type) {
case *string:
r.Set(reflect.ValueOf(&node.Text))
return nil
case []byte:
b, err := base64.StdEncoding.DecodeString(node.Text)
if err != nil {
return err
}
r.Set(reflect.ValueOf(b))
case *bool:
v, err := strconv.ParseBool(node.Text)
if err != nil {
return err
}
r.Set(reflect.ValueOf(&v))
case *int64:
v, err := strconv.ParseInt(node.Text, 10, 64)
if err != nil {
return err
}
r.Set(reflect.ValueOf(&v))
case *float64:
v, err := strconv.ParseFloat(node.Text, 64)
if err != nil {
return err
}
r.Set(reflect.ValueOf(&v))
case *time.Time:
const ISO8601UTC = "2006-01-02T15:04:05Z"
t, err := time.Parse(ISO8601UTC, node.Text)
if err != nil {
return err
}
r.Set(reflect.ValueOf(&t))
default:
return fmt.Errorf("unsupported value: %v (%s)", r.Interface(), r.Type())
}
return nil
}

105
vendor/github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil/xml_to_struct.go сгенерированный поставляемый Normal file
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@ -0,0 +1,105 @@
package xmlutil
import (
"encoding/xml"
"io"
"sort"
)
// A XMLNode contains the values to be encoded or decoded.
type XMLNode struct {
Name xml.Name `json:",omitempty"`
Children map[string][]*XMLNode `json:",omitempty"`
Text string `json:",omitempty"`
Attr []xml.Attr `json:",omitempty"`
}
// NewXMLElement returns a pointer to a new XMLNode initialized to default values.
func NewXMLElement(name xml.Name) *XMLNode {
return &XMLNode{
Name: name,
Children: map[string][]*XMLNode{},
Attr: []xml.Attr{},
}
}
// AddChild adds child to the XMLNode.
func (n *XMLNode) AddChild(child *XMLNode) {
if _, ok := n.Children[child.Name.Local]; !ok {
n.Children[child.Name.Local] = []*XMLNode{}
}
n.Children[child.Name.Local] = append(n.Children[child.Name.Local], child)
}
// XMLToStruct converts a xml.Decoder stream to XMLNode with nested values.
func XMLToStruct(d *xml.Decoder, s *xml.StartElement) (*XMLNode, error) {
out := &XMLNode{}
for {
tok, err := d.Token()
if tok == nil || err == io.EOF {
break
}
if err != nil {
return out, err
}
switch typed := tok.(type) {
case xml.CharData:
out.Text = string(typed.Copy())
case xml.StartElement:
el := typed.Copy()
out.Attr = el.Attr
if out.Children == nil {
out.Children = map[string][]*XMLNode{}
}
name := typed.Name.Local
slice := out.Children[name]
if slice == nil {
slice = []*XMLNode{}
}
node, e := XMLToStruct(d, &el)
if e != nil {
return out, e
}
node.Name = typed.Name
slice = append(slice, node)
out.Children[name] = slice
case xml.EndElement:
if s != nil && s.Name.Local == typed.Name.Local { // matching end token
return out, nil
}
}
}
return out, nil
}
// StructToXML writes an XMLNode to a xml.Encoder as tokens.
func StructToXML(e *xml.Encoder, node *XMLNode, sorted bool) error {
e.EncodeToken(xml.StartElement{Name: node.Name, Attr: node.Attr})
if node.Text != "" {
e.EncodeToken(xml.CharData([]byte(node.Text)))
} else if sorted {
sortedNames := []string{}
for k := range node.Children {
sortedNames = append(sortedNames, k)
}
sort.Strings(sortedNames)
for _, k := range sortedNames {
for _, v := range node.Children[k] {
StructToXML(e, v, sorted)
}
}
} else {
for _, c := range node.Children {
for _, v := range c {
StructToXML(e, v, sorted)
}
}
}
e.EncodeToken(xml.EndElement{Name: node.Name})
return e.Flush()
}

5907
vendor/github.com/aws/aws-sdk-go/service/kms/api.go сгенерированный поставляемый Normal file
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199
vendor/github.com/aws/aws-sdk-go/service/kms/kmsiface/interface.go сгенерированный поставляемый Normal file
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// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
// Package kmsiface provides an interface to enable mocking the AWS Key Management Service service client
// for testing your code.
//
// It is important to note that this interface will have breaking changes
// when the service model is updated and adds new API operations, paginators,
// and waiters.
package kmsiface
import (
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/service/kms"
)
// KMSAPI provides an interface to enable mocking the
// kms.KMS service client's API operation,
// paginators, and waiters. This make unit testing your code that calls out
// to the SDK's service client's calls easier.
//
// The best way to use this interface is so the SDK's service client's calls
// can be stubbed out for unit testing your code with the SDK without needing
// to inject custom request handlers into the the SDK's request pipeline.
//
// // myFunc uses an SDK service client to make a request to
// // AWS Key Management Service.
// func myFunc(svc kmsiface.KMSAPI) bool {
// // Make svc.CancelKeyDeletion request
// }
//
// func main() {
// sess := session.New()
// svc := kms.New(sess)
//
// myFunc(svc)
// }
//
// In your _test.go file:
//
// // Define a mock struct to be used in your unit tests of myFunc.
// type mockKMSClient struct {
// kmsiface.KMSAPI
// }
// func (m *mockKMSClient) CancelKeyDeletion(input *kms.CancelKeyDeletionInput) (*kms.CancelKeyDeletionOutput, error) {
// // mock response/functionality
// }
//
// TestMyFunc(t *testing.T) {
// // Setup Test
// mockSvc := &mockKMSClient{}
//
// myfunc(mockSvc)
//
// // Verify myFunc's functionality
// }
//
// It is important to note that this interface will have breaking changes
// when the service model is updated and adds new API operations, paginators,
// and waiters. Its suggested to use the pattern above for testing, or using
// tooling to generate mocks to satisfy the interfaces.
type KMSAPI interface {
CancelKeyDeletionRequest(*kms.CancelKeyDeletionInput) (*request.Request, *kms.CancelKeyDeletionOutput)
CancelKeyDeletion(*kms.CancelKeyDeletionInput) (*kms.CancelKeyDeletionOutput, error)
CreateAliasRequest(*kms.CreateAliasInput) (*request.Request, *kms.CreateAliasOutput)
CreateAlias(*kms.CreateAliasInput) (*kms.CreateAliasOutput, error)
CreateGrantRequest(*kms.CreateGrantInput) (*request.Request, *kms.CreateGrantOutput)
CreateGrant(*kms.CreateGrantInput) (*kms.CreateGrantOutput, error)
CreateKeyRequest(*kms.CreateKeyInput) (*request.Request, *kms.CreateKeyOutput)
CreateKey(*kms.CreateKeyInput) (*kms.CreateKeyOutput, error)
DecryptRequest(*kms.DecryptInput) (*request.Request, *kms.DecryptOutput)
Decrypt(*kms.DecryptInput) (*kms.DecryptOutput, error)
DeleteAliasRequest(*kms.DeleteAliasInput) (*request.Request, *kms.DeleteAliasOutput)
DeleteAlias(*kms.DeleteAliasInput) (*kms.DeleteAliasOutput, error)
DeleteImportedKeyMaterialRequest(*kms.DeleteImportedKeyMaterialInput) (*request.Request, *kms.DeleteImportedKeyMaterialOutput)
DeleteImportedKeyMaterial(*kms.DeleteImportedKeyMaterialInput) (*kms.DeleteImportedKeyMaterialOutput, error)
DescribeKeyRequest(*kms.DescribeKeyInput) (*request.Request, *kms.DescribeKeyOutput)
DescribeKey(*kms.DescribeKeyInput) (*kms.DescribeKeyOutput, error)
DisableKeyRequest(*kms.DisableKeyInput) (*request.Request, *kms.DisableKeyOutput)
DisableKey(*kms.DisableKeyInput) (*kms.DisableKeyOutput, error)
DisableKeyRotationRequest(*kms.DisableKeyRotationInput) (*request.Request, *kms.DisableKeyRotationOutput)
DisableKeyRotation(*kms.DisableKeyRotationInput) (*kms.DisableKeyRotationOutput, error)
EnableKeyRequest(*kms.EnableKeyInput) (*request.Request, *kms.EnableKeyOutput)
EnableKey(*kms.EnableKeyInput) (*kms.EnableKeyOutput, error)
EnableKeyRotationRequest(*kms.EnableKeyRotationInput) (*request.Request, *kms.EnableKeyRotationOutput)
EnableKeyRotation(*kms.EnableKeyRotationInput) (*kms.EnableKeyRotationOutput, error)
EncryptRequest(*kms.EncryptInput) (*request.Request, *kms.EncryptOutput)
Encrypt(*kms.EncryptInput) (*kms.EncryptOutput, error)
GenerateDataKeyRequest(*kms.GenerateDataKeyInput) (*request.Request, *kms.GenerateDataKeyOutput)
GenerateDataKey(*kms.GenerateDataKeyInput) (*kms.GenerateDataKeyOutput, error)
GenerateDataKeyWithoutPlaintextRequest(*kms.GenerateDataKeyWithoutPlaintextInput) (*request.Request, *kms.GenerateDataKeyWithoutPlaintextOutput)
GenerateDataKeyWithoutPlaintext(*kms.GenerateDataKeyWithoutPlaintextInput) (*kms.GenerateDataKeyWithoutPlaintextOutput, error)
GenerateRandomRequest(*kms.GenerateRandomInput) (*request.Request, *kms.GenerateRandomOutput)
GenerateRandom(*kms.GenerateRandomInput) (*kms.GenerateRandomOutput, error)
GetKeyPolicyRequest(*kms.GetKeyPolicyInput) (*request.Request, *kms.GetKeyPolicyOutput)
GetKeyPolicy(*kms.GetKeyPolicyInput) (*kms.GetKeyPolicyOutput, error)
GetKeyRotationStatusRequest(*kms.GetKeyRotationStatusInput) (*request.Request, *kms.GetKeyRotationStatusOutput)
GetKeyRotationStatus(*kms.GetKeyRotationStatusInput) (*kms.GetKeyRotationStatusOutput, error)
GetParametersForImportRequest(*kms.GetParametersForImportInput) (*request.Request, *kms.GetParametersForImportOutput)
GetParametersForImport(*kms.GetParametersForImportInput) (*kms.GetParametersForImportOutput, error)
ImportKeyMaterialRequest(*kms.ImportKeyMaterialInput) (*request.Request, *kms.ImportKeyMaterialOutput)
ImportKeyMaterial(*kms.ImportKeyMaterialInput) (*kms.ImportKeyMaterialOutput, error)
ListAliasesRequest(*kms.ListAliasesInput) (*request.Request, *kms.ListAliasesOutput)
ListAliases(*kms.ListAliasesInput) (*kms.ListAliasesOutput, error)
ListAliasesPages(*kms.ListAliasesInput, func(*kms.ListAliasesOutput, bool) bool) error
ListGrantsRequest(*kms.ListGrantsInput) (*request.Request, *kms.ListGrantsResponse)
ListGrants(*kms.ListGrantsInput) (*kms.ListGrantsResponse, error)
ListGrantsPages(*kms.ListGrantsInput, func(*kms.ListGrantsResponse, bool) bool) error
ListKeyPoliciesRequest(*kms.ListKeyPoliciesInput) (*request.Request, *kms.ListKeyPoliciesOutput)
ListKeyPolicies(*kms.ListKeyPoliciesInput) (*kms.ListKeyPoliciesOutput, error)
ListKeyPoliciesPages(*kms.ListKeyPoliciesInput, func(*kms.ListKeyPoliciesOutput, bool) bool) error
ListKeysRequest(*kms.ListKeysInput) (*request.Request, *kms.ListKeysOutput)
ListKeys(*kms.ListKeysInput) (*kms.ListKeysOutput, error)
ListKeysPages(*kms.ListKeysInput, func(*kms.ListKeysOutput, bool) bool) error
ListRetirableGrantsRequest(*kms.ListRetirableGrantsInput) (*request.Request, *kms.ListGrantsResponse)
ListRetirableGrants(*kms.ListRetirableGrantsInput) (*kms.ListGrantsResponse, error)
PutKeyPolicyRequest(*kms.PutKeyPolicyInput) (*request.Request, *kms.PutKeyPolicyOutput)
PutKeyPolicy(*kms.PutKeyPolicyInput) (*kms.PutKeyPolicyOutput, error)
ReEncryptRequest(*kms.ReEncryptInput) (*request.Request, *kms.ReEncryptOutput)
ReEncrypt(*kms.ReEncryptInput) (*kms.ReEncryptOutput, error)
RetireGrantRequest(*kms.RetireGrantInput) (*request.Request, *kms.RetireGrantOutput)
RetireGrant(*kms.RetireGrantInput) (*kms.RetireGrantOutput, error)
RevokeGrantRequest(*kms.RevokeGrantInput) (*request.Request, *kms.RevokeGrantOutput)
RevokeGrant(*kms.RevokeGrantInput) (*kms.RevokeGrantOutput, error)
ScheduleKeyDeletionRequest(*kms.ScheduleKeyDeletionInput) (*request.Request, *kms.ScheduleKeyDeletionOutput)
ScheduleKeyDeletion(*kms.ScheduleKeyDeletionInput) (*kms.ScheduleKeyDeletionOutput, error)
UpdateAliasRequest(*kms.UpdateAliasInput) (*request.Request, *kms.UpdateAliasOutput)
UpdateAlias(*kms.UpdateAliasInput) (*kms.UpdateAliasOutput, error)
UpdateKeyDescriptionRequest(*kms.UpdateKeyDescriptionInput) (*request.Request, *kms.UpdateKeyDescriptionOutput)
UpdateKeyDescription(*kms.UpdateKeyDescriptionInput) (*kms.UpdateKeyDescriptionOutput, error)
}
var _ KMSAPI = (*kms.KMS)(nil)

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vendor/github.com/aws/aws-sdk-go/service/kms/service.go сгенерированный поставляемый Normal file
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// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
package kms
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/client/metadata"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/aws/signer/v4"
"github.com/aws/aws-sdk-go/private/protocol/jsonrpc"
)
// AWS Key Management Service (AWS KMS) is an encryption and key management
// web service. This guide describes the AWS KMS operations that you can call
// programmatically. For general information about AWS KMS, see the AWS Key
// Management Service Developer Guide (http://docs.aws.amazon.com/kms/latest/developerguide/).
//
// AWS provides SDKs that consist of libraries and sample code for various programming
// languages and platforms (Java, Ruby, .Net, iOS, Android, etc.). The SDKs
// provide a convenient way to create programmatic access to AWS KMS and other
// AWS services. For example, the SDKs take care of tasks such as signing requests
// (see below), managing errors, and retrying requests automatically. For more
// information about the AWS SDKs, including how to download and install them,
// see Tools for Amazon Web Services (http://aws.amazon.com/tools/).
//
// We recommend that you use the AWS SDKs to make programmatic API calls to
// AWS KMS.
//
// Clients must support TLS (Transport Layer Security) 1.0. We recommend TLS
// 1.2. Clients must also support cipher suites with Perfect Forward Secrecy
// (PFS) such as Ephemeral Diffie-Hellman (DHE) or Elliptic Curve Ephemeral
// Diffie-Hellman (ECDHE). Most modern systems such as Java 7 and later support
// these modes.
//
// Signing Requests
//
// Requests must be signed by using an access key ID and a secret access key.
// We strongly recommend that you do not use your AWS account (root) access
// key ID and secret key for everyday work with AWS KMS. Instead, use the access
// key ID and secret access key for an IAM user, or you can use the AWS Security
// Token Service to generate temporary security credentials that you can use
// to sign requests.
//
// All AWS KMS operations require Signature Version 4 (http://docs.aws.amazon.com/general/latest/gr/signature-version-4.html).
//
// Logging API Requests
//
// AWS KMS supports AWS CloudTrail, a service that logs AWS API calls and related
// events for your AWS account and delivers them to an Amazon S3 bucket that
// you specify. By using the information collected by CloudTrail, you can determine
// what requests were made to AWS KMS, who made the request, when it was made,
// and so on. To learn more about CloudTrail, including how to turn it on and
// find your log files, see the AWS CloudTrail User Guide (http://docs.aws.amazon.com/awscloudtrail/latest/userguide/).
//
// Additional Resources
//
// For more information about credentials and request signing, see the following:
//
// * AWS Security Credentials (http://docs.aws.amazon.com/general/latest/gr/aws-security-credentials.html)
// - This topic provides general information about the types of credentials
// used for accessing AWS.
//
// * Temporary Security Credentials (http://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp.html)
// - This section of the IAM User Guide describes how to create and use temporary
// security credentials.
//
// * Signature Version 4 Signing Process (http://docs.aws.amazon.com/general/latest/gr/signature-version-4.html)
// - This set of topics walks you through the process of signing a request
// using an access key ID and a secret access key.
//
// Commonly Used APIs
//
// Of the APIs discussed in this guide, the following will prove the most useful
// for most applications. You will likely perform actions other than these,
// such as creating keys and assigning policies, by using the console.
//
// * Encrypt
//
// * Decrypt
//
// * GenerateDataKey
//
// * GenerateDataKeyWithoutPlaintext
//The service client's operations are safe to be used concurrently.
// It is not safe to mutate any of the client's properties though.
type KMS struct {
*client.Client
}
// Used for custom client initialization logic
var initClient func(*client.Client)
// Used for custom request initialization logic
var initRequest func(*request.Request)
// A ServiceName is the name of the service the client will make API calls to.
const ServiceName = "kms"
// New creates a new instance of the KMS client with a session.
// If additional configuration is needed for the client instance use the optional
// aws.Config parameter to add your extra config.
//
// Example:
// // Create a KMS client from just a session.
// svc := kms.New(mySession)
//
// // Create a KMS client with additional configuration
// svc := kms.New(mySession, aws.NewConfig().WithRegion("us-west-2"))
func New(p client.ConfigProvider, cfgs ...*aws.Config) *KMS {
c := p.ClientConfig(ServiceName, cfgs...)
return newClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion)
}
// newClient creates, initializes and returns a new service client instance.
func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion string) *KMS {
svc := &KMS{
Client: client.New(
cfg,
metadata.ClientInfo{
ServiceName: ServiceName,
SigningRegion: signingRegion,
Endpoint: endpoint,
APIVersion: "2014-11-01",
JSONVersion: "1.1",
TargetPrefix: "TrentService",
},
handlers,
),
}
// Handlers
svc.Handlers.Sign.PushBackNamed(v4.SignRequestHandler)
svc.Handlers.Build.PushBackNamed(jsonrpc.BuildHandler)
svc.Handlers.Unmarshal.PushBackNamed(jsonrpc.UnmarshalHandler)
svc.Handlers.UnmarshalMeta.PushBackNamed(jsonrpc.UnmarshalMetaHandler)
svc.Handlers.UnmarshalError.PushBackNamed(jsonrpc.UnmarshalErrorHandler)
// Run custom client initialization if present
if initClient != nil {
initClient(svc.Client)
}
return svc
}
// newRequest creates a new request for a KMS operation and runs any
// custom request initialization.
func (c *KMS) newRequest(op *request.Operation, params, data interface{}) *request.Request {
req := c.NewRequest(op, params, data)
// Run custom request initialization if present
if initRequest != nil {
initRequest(req)
}
return req
}

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vendor/github.com/aws/aws-sdk-go/service/sts/api.go сгенерированный поставляемый Normal file
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12
vendor/github.com/aws/aws-sdk-go/service/sts/customizations.go сгенерированный поставляемый Normal file
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package sts
import "github.com/aws/aws-sdk-go/aws/request"
func init() {
initRequest = func(r *request.Request) {
switch r.Operation.Name {
case opAssumeRoleWithSAML, opAssumeRoleWithWebIdentity:
r.Handlers.Sign.Clear() // these operations are unsigned
}
}
}

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vendor/github.com/aws/aws-sdk-go/service/sts/service.go сгенерированный поставляемый Normal file
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// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
package sts
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/client/metadata"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/aws/signer/v4"
"github.com/aws/aws-sdk-go/private/protocol/query"
)
// The AWS Security Token Service (STS) is a web service that enables you to
// request temporary, limited-privilege credentials for AWS Identity and Access
// Management (IAM) users or for users that you authenticate (federated users).
// This guide provides descriptions of the STS API. For more detailed information
// about using this service, go to Temporary Security Credentials (http://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp.html).
//
// As an alternative to using the API, you can use one of the AWS SDKs, which
// consist of libraries and sample code for various programming languages and
// platforms (Java, Ruby, .NET, iOS, Android, etc.). The SDKs provide a convenient
// way to create programmatic access to STS. For example, the SDKs take care
// of cryptographically signing requests, managing errors, and retrying requests
// automatically. For information about the AWS SDKs, including how to download
// and install them, see the Tools for Amazon Web Services page (http://aws.amazon.com/tools/).
//
// For information about setting up signatures and authorization through the
// API, go to Signing AWS API Requests (http://docs.aws.amazon.com/general/latest/gr/signing_aws_api_requests.html)
// in the AWS General Reference. For general information about the Query API,
// go to Making Query Requests (http://docs.aws.amazon.com/IAM/latest/UserGuide/IAM_UsingQueryAPI.html)
// in Using IAM. For information about using security tokens with other AWS
// products, go to AWS Services That Work with IAM (http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_aws-services-that-work-with-iam.html)
// in the IAM User Guide.
//
// If you're new to AWS and need additional technical information about a specific
// AWS product, you can find the product's technical documentation at http://aws.amazon.com/documentation/
// (http://aws.amazon.com/documentation/).
//
// Endpoints
//
// The AWS Security Token Service (STS) has a default endpoint of https://sts.amazonaws.com
// that maps to the US East (N. Virginia) region. Additional regions are available
// and are activated by default. For more information, see Activating and Deactivating
// AWS STS in an AWS Region (http://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
// in the IAM User Guide.
//
// For information about STS endpoints, see Regions and Endpoints (http://docs.aws.amazon.com/general/latest/gr/rande.html#sts_region)
// in the AWS General Reference.
//
// Recording API requests
//
// STS supports AWS CloudTrail, which is a service that records AWS calls for
// your AWS account and delivers log files to an Amazon S3 bucket. By using
// information collected by CloudTrail, you can determine what requests were
// successfully made to STS, who made the request, when it was made, and so
// on. To learn more about CloudTrail, including how to turn it on and find
// your log files, see the AWS CloudTrail User Guide (http://docs.aws.amazon.com/awscloudtrail/latest/userguide/what_is_cloud_trail_top_level.html).
//The service client's operations are safe to be used concurrently.
// It is not safe to mutate any of the client's properties though.
type STS struct {
*client.Client
}
// Used for custom client initialization logic
var initClient func(*client.Client)
// Used for custom request initialization logic
var initRequest func(*request.Request)
// A ServiceName is the name of the service the client will make API calls to.
const ServiceName = "sts"
// New creates a new instance of the STS client with a session.
// If additional configuration is needed for the client instance use the optional
// aws.Config parameter to add your extra config.
//
// Example:
// // Create a STS client from just a session.
// svc := sts.New(mySession)
//
// // Create a STS client with additional configuration
// svc := sts.New(mySession, aws.NewConfig().WithRegion("us-west-2"))
func New(p client.ConfigProvider, cfgs ...*aws.Config) *STS {
c := p.ClientConfig(ServiceName, cfgs...)
return newClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion)
}
// newClient creates, initializes and returns a new service client instance.
func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion string) *STS {
svc := &STS{
Client: client.New(
cfg,
metadata.ClientInfo{
ServiceName: ServiceName,
SigningRegion: signingRegion,
Endpoint: endpoint,
APIVersion: "2011-06-15",
},
handlers,
),
}
// Handlers
svc.Handlers.Sign.PushBackNamed(v4.SignRequestHandler)
svc.Handlers.Build.PushBackNamed(query.BuildHandler)
svc.Handlers.Unmarshal.PushBackNamed(query.UnmarshalHandler)
svc.Handlers.UnmarshalMeta.PushBackNamed(query.UnmarshalMetaHandler)
svc.Handlers.UnmarshalError.PushBackNamed(query.UnmarshalErrorHandler)
// Run custom client initialization if present
if initClient != nil {
initClient(svc.Client)
}
return svc
}
// newRequest creates a new request for a STS operation and runs any
// custom request initialization.
func (c *STS) newRequest(op *request.Operation, params, data interface{}) *request.Request {
req := c.NewRequest(op, params, data)
// Run custom request initialization if present
if initRequest != nil {
initRequest(req)
}
return req
}

15
vendor/github.com/davecgh/go-spew/LICENSE сгенерированный поставляемый Normal file
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ISC License
Copyright (c) 2012-2013 Dave Collins <dave@davec.name>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

152
vendor/github.com/davecgh/go-spew/spew/bypass.go сгенерированный поставляемый Normal file
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// Copyright (c) 2015 Dave Collins <dave@davec.name>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
// NOTE: Due to the following build constraints, this file will only be compiled
// when the code is not running on Google App Engine, compiled by GopherJS, and
// "-tags safe" is not added to the go build command line. The "disableunsafe"
// tag is deprecated and thus should not be used.
// +build !js,!appengine,!safe,!disableunsafe
package spew
import (
"reflect"
"unsafe"
)
const (
// UnsafeDisabled is a build-time constant which specifies whether or
// not access to the unsafe package is available.
UnsafeDisabled = false
// ptrSize is the size of a pointer on the current arch.
ptrSize = unsafe.Sizeof((*byte)(nil))
)
var (
// offsetPtr, offsetScalar, and offsetFlag are the offsets for the
// internal reflect.Value fields. These values are valid before golang
// commit ecccf07e7f9d which changed the format. The are also valid
// after commit 82f48826c6c7 which changed the format again to mirror
// the original format. Code in the init function updates these offsets
// as necessary.
offsetPtr = uintptr(ptrSize)
offsetScalar = uintptr(0)
offsetFlag = uintptr(ptrSize * 2)
// flagKindWidth and flagKindShift indicate various bits that the
// reflect package uses internally to track kind information.
//
// flagRO indicates whether or not the value field of a reflect.Value is
// read-only.
//
// flagIndir indicates whether the value field of a reflect.Value is
// the actual data or a pointer to the data.
//
// These values are valid before golang commit 90a7c3c86944 which
// changed their positions. Code in the init function updates these
// flags as necessary.
flagKindWidth = uintptr(5)
flagKindShift = uintptr(flagKindWidth - 1)
flagRO = uintptr(1 << 0)
flagIndir = uintptr(1 << 1)
)
func init() {
// Older versions of reflect.Value stored small integers directly in the
// ptr field (which is named val in the older versions). Versions
// between commits ecccf07e7f9d and 82f48826c6c7 added a new field named
// scalar for this purpose which unfortunately came before the flag
// field, so the offset of the flag field is different for those
// versions.
//
// This code constructs a new reflect.Value from a known small integer
// and checks if the size of the reflect.Value struct indicates it has
// the scalar field. When it does, the offsets are updated accordingly.
vv := reflect.ValueOf(0xf00)
if unsafe.Sizeof(vv) == (ptrSize * 4) {
offsetScalar = ptrSize * 2
offsetFlag = ptrSize * 3
}
// Commit 90a7c3c86944 changed the flag positions such that the low
// order bits are the kind. This code extracts the kind from the flags
// field and ensures it's the correct type. When it's not, the flag
// order has been changed to the newer format, so the flags are updated
// accordingly.
upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag)
upfv := *(*uintptr)(upf)
flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift)
if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) {
flagKindShift = 0
flagRO = 1 << 5
flagIndir = 1 << 6
// Commit adf9b30e5594 modified the flags to separate the
// flagRO flag into two bits which specifies whether or not the
// field is embedded. This causes flagIndir to move over a bit
// and means that flagRO is the combination of either of the
// original flagRO bit and the new bit.
//
// This code detects the change by extracting what used to be
// the indirect bit to ensure it's set. When it's not, the flag
// order has been changed to the newer format, so the flags are
// updated accordingly.
if upfv&flagIndir == 0 {
flagRO = 3 << 5
flagIndir = 1 << 7
}
}
}
// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
// the typical safety restrictions preventing access to unaddressable and
// unexported data. It works by digging the raw pointer to the underlying
// value out of the protected value and generating a new unprotected (unsafe)
// reflect.Value to it.
//
// This allows us to check for implementations of the Stringer and error
// interfaces to be used for pretty printing ordinarily unaddressable and
// inaccessible values such as unexported struct fields.
func unsafeReflectValue(v reflect.Value) (rv reflect.Value) {
indirects := 1
vt := v.Type()
upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr)
rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag))
if rvf&flagIndir != 0 {
vt = reflect.PtrTo(v.Type())
indirects++
} else if offsetScalar != 0 {
// The value is in the scalar field when it's not one of the
// reference types.
switch vt.Kind() {
case reflect.Uintptr:
case reflect.Chan:
case reflect.Func:
case reflect.Map:
case reflect.Ptr:
case reflect.UnsafePointer:
default:
upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) +
offsetScalar)
}
}
pv := reflect.NewAt(vt, upv)
rv = pv
for i := 0; i < indirects; i++ {
rv = rv.Elem()
}
return rv
}

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// Copyright (c) 2015 Dave Collins <dave@davec.name>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
// NOTE: Due to the following build constraints, this file will only be compiled
// when the code is running on Google App Engine, compiled by GopherJS, or
// "-tags safe" is added to the go build command line. The "disableunsafe"
// tag is deprecated and thus should not be used.
// +build js appengine safe disableunsafe
package spew
import "reflect"
const (
// UnsafeDisabled is a build-time constant which specifies whether or
// not access to the unsafe package is available.
UnsafeDisabled = true
)
// unsafeReflectValue typically converts the passed reflect.Value into a one
// that bypasses the typical safety restrictions preventing access to
// unaddressable and unexported data. However, doing this relies on access to
// the unsafe package. This is a stub version which simply returns the passed
// reflect.Value when the unsafe package is not available.
func unsafeReflectValue(v reflect.Value) reflect.Value {
return v
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"io"
"reflect"
"sort"
"strconv"
)
// Some constants in the form of bytes to avoid string overhead. This mirrors
// the technique used in the fmt package.
var (
panicBytes = []byte("(PANIC=")
plusBytes = []byte("+")
iBytes = []byte("i")
trueBytes = []byte("true")
falseBytes = []byte("false")
interfaceBytes = []byte("(interface {})")
commaNewlineBytes = []byte(",\n")
newlineBytes = []byte("\n")
openBraceBytes = []byte("{")
openBraceNewlineBytes = []byte("{\n")
closeBraceBytes = []byte("}")
asteriskBytes = []byte("*")
colonBytes = []byte(":")
colonSpaceBytes = []byte(": ")
openParenBytes = []byte("(")
closeParenBytes = []byte(")")
spaceBytes = []byte(" ")
pointerChainBytes = []byte("->")
nilAngleBytes = []byte("<nil>")
maxNewlineBytes = []byte("<max depth reached>\n")
maxShortBytes = []byte("<max>")
circularBytes = []byte("<already shown>")
circularShortBytes = []byte("<shown>")
invalidAngleBytes = []byte("<invalid>")
openBracketBytes = []byte("[")
closeBracketBytes = []byte("]")
percentBytes = []byte("%")
precisionBytes = []byte(".")
openAngleBytes = []byte("<")
closeAngleBytes = []byte(">")
openMapBytes = []byte("map[")
closeMapBytes = []byte("]")
lenEqualsBytes = []byte("len=")
capEqualsBytes = []byte("cap=")
)
// hexDigits is used to map a decimal value to a hex digit.
var hexDigits = "0123456789abcdef"
// catchPanic handles any panics that might occur during the handleMethods
// calls.
func catchPanic(w io.Writer, v reflect.Value) {
if err := recover(); err != nil {
w.Write(panicBytes)
fmt.Fprintf(w, "%v", err)
w.Write(closeParenBytes)
}
}
// handleMethods attempts to call the Error and String methods on the underlying
// type the passed reflect.Value represents and outputes the result to Writer w.
//
// It handles panics in any called methods by catching and displaying the error
// as the formatted value.
func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
// We need an interface to check if the type implements the error or
// Stringer interface. However, the reflect package won't give us an
// interface on certain things like unexported struct fields in order
// to enforce visibility rules. We use unsafe, when it's available,
// to bypass these restrictions since this package does not mutate the
// values.
if !v.CanInterface() {
if UnsafeDisabled {
return false
}
v = unsafeReflectValue(v)
}
// Choose whether or not to do error and Stringer interface lookups against
// the base type or a pointer to the base type depending on settings.
// Technically calling one of these methods with a pointer receiver can
// mutate the value, however, types which choose to satisify an error or
// Stringer interface with a pointer receiver should not be mutating their
// state inside these interface methods.
if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
v = unsafeReflectValue(v)
}
if v.CanAddr() {
v = v.Addr()
}
// Is it an error or Stringer?
switch iface := v.Interface().(type) {
case error:
defer catchPanic(w, v)
if cs.ContinueOnMethod {
w.Write(openParenBytes)
w.Write([]byte(iface.Error()))
w.Write(closeParenBytes)
w.Write(spaceBytes)
return false
}
w.Write([]byte(iface.Error()))
return true
case fmt.Stringer:
defer catchPanic(w, v)
if cs.ContinueOnMethod {
w.Write(openParenBytes)
w.Write([]byte(iface.String()))
w.Write(closeParenBytes)
w.Write(spaceBytes)
return false
}
w.Write([]byte(iface.String()))
return true
}
return false
}
// printBool outputs a boolean value as true or false to Writer w.
func printBool(w io.Writer, val bool) {
if val {
w.Write(trueBytes)
} else {
w.Write(falseBytes)
}
}
// printInt outputs a signed integer value to Writer w.
func printInt(w io.Writer, val int64, base int) {
w.Write([]byte(strconv.FormatInt(val, base)))
}
// printUint outputs an unsigned integer value to Writer w.
func printUint(w io.Writer, val uint64, base int) {
w.Write([]byte(strconv.FormatUint(val, base)))
}
// printFloat outputs a floating point value using the specified precision,
// which is expected to be 32 or 64bit, to Writer w.
func printFloat(w io.Writer, val float64, precision int) {
w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
}
// printComplex outputs a complex value using the specified float precision
// for the real and imaginary parts to Writer w.
func printComplex(w io.Writer, c complex128, floatPrecision int) {
r := real(c)
w.Write(openParenBytes)
w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
i := imag(c)
if i >= 0 {
w.Write(plusBytes)
}
w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
w.Write(iBytes)
w.Write(closeParenBytes)
}
// printHexPtr outputs a uintptr formatted as hexidecimal with a leading '0x'
// prefix to Writer w.
func printHexPtr(w io.Writer, p uintptr) {
// Null pointer.
num := uint64(p)
if num == 0 {
w.Write(nilAngleBytes)
return
}
// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
buf := make([]byte, 18)
// It's simpler to construct the hex string right to left.
base := uint64(16)
i := len(buf) - 1
for num >= base {
buf[i] = hexDigits[num%base]
num /= base
i--
}
buf[i] = hexDigits[num]
// Add '0x' prefix.
i--
buf[i] = 'x'
i--
buf[i] = '0'
// Strip unused leading bytes.
buf = buf[i:]
w.Write(buf)
}
// valuesSorter implements sort.Interface to allow a slice of reflect.Value
// elements to be sorted.
type valuesSorter struct {
values []reflect.Value
strings []string // either nil or same len and values
cs *ConfigState
}
// newValuesSorter initializes a valuesSorter instance, which holds a set of
// surrogate keys on which the data should be sorted. It uses flags in
// ConfigState to decide if and how to populate those surrogate keys.
func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
vs := &valuesSorter{values: values, cs: cs}
if canSortSimply(vs.values[0].Kind()) {
return vs
}
if !cs.DisableMethods {
vs.strings = make([]string, len(values))
for i := range vs.values {
b := bytes.Buffer{}
if !handleMethods(cs, &b, vs.values[i]) {
vs.strings = nil
break
}
vs.strings[i] = b.String()
}
}
if vs.strings == nil && cs.SpewKeys {
vs.strings = make([]string, len(values))
for i := range vs.values {
vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
}
}
return vs
}
// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
// directly, or whether it should be considered for sorting by surrogate keys
// (if the ConfigState allows it).
func canSortSimply(kind reflect.Kind) bool {
// This switch parallels valueSortLess, except for the default case.
switch kind {
case reflect.Bool:
return true
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return true
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
return true
case reflect.Float32, reflect.Float64:
return true
case reflect.String:
return true
case reflect.Uintptr:
return true
case reflect.Array:
return true
}
return false
}
// Len returns the number of values in the slice. It is part of the
// sort.Interface implementation.
func (s *valuesSorter) Len() int {
return len(s.values)
}
// Swap swaps the values at the passed indices. It is part of the
// sort.Interface implementation.
func (s *valuesSorter) Swap(i, j int) {
s.values[i], s.values[j] = s.values[j], s.values[i]
if s.strings != nil {
s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
}
}
// valueSortLess returns whether the first value should sort before the second
// value. It is used by valueSorter.Less as part of the sort.Interface
// implementation.
func valueSortLess(a, b reflect.Value) bool {
switch a.Kind() {
case reflect.Bool:
return !a.Bool() && b.Bool()
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return a.Int() < b.Int()
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
return a.Uint() < b.Uint()
case reflect.Float32, reflect.Float64:
return a.Float() < b.Float()
case reflect.String:
return a.String() < b.String()
case reflect.Uintptr:
return a.Uint() < b.Uint()
case reflect.Array:
// Compare the contents of both arrays.
l := a.Len()
for i := 0; i < l; i++ {
av := a.Index(i)
bv := b.Index(i)
if av.Interface() == bv.Interface() {
continue
}
return valueSortLess(av, bv)
}
}
return a.String() < b.String()
}
// Less returns whether the value at index i should sort before the
// value at index j. It is part of the sort.Interface implementation.
func (s *valuesSorter) Less(i, j int) bool {
if s.strings == nil {
return valueSortLess(s.values[i], s.values[j])
}
return s.strings[i] < s.strings[j]
}
// sortValues is a sort function that handles both native types and any type that
// can be converted to error or Stringer. Other inputs are sorted according to
// their Value.String() value to ensure display stability.
func sortValues(values []reflect.Value, cs *ConfigState) {
if len(values) == 0 {
return
}
sort.Sort(newValuesSorter(values, cs))
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"io"
"os"
)
// ConfigState houses the configuration options used by spew to format and
// display values. There is a global instance, Config, that is used to control
// all top-level Formatter and Dump functionality. Each ConfigState instance
// provides methods equivalent to the top-level functions.
//
// The zero value for ConfigState provides no indentation. You would typically
// want to set it to a space or a tab.
//
// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
// with default settings. See the documentation of NewDefaultConfig for default
// values.
type ConfigState struct {
// Indent specifies the string to use for each indentation level. The
// global config instance that all top-level functions use set this to a
// single space by default. If you would like more indentation, you might
// set this to a tab with "\t" or perhaps two spaces with " ".
Indent string
// MaxDepth controls the maximum number of levels to descend into nested
// data structures. The default, 0, means there is no limit.
//
// NOTE: Circular data structures are properly detected, so it is not
// necessary to set this value unless you specifically want to limit deeply
// nested data structures.
MaxDepth int
// DisableMethods specifies whether or not error and Stringer interfaces are
// invoked for types that implement them.
DisableMethods bool
// DisablePointerMethods specifies whether or not to check for and invoke
// error and Stringer interfaces on types which only accept a pointer
// receiver when the current type is not a pointer.
//
// NOTE: This might be an unsafe action since calling one of these methods
// with a pointer receiver could technically mutate the value, however,
// in practice, types which choose to satisify an error or Stringer
// interface with a pointer receiver should not be mutating their state
// inside these interface methods. As a result, this option relies on
// access to the unsafe package, so it will not have any effect when
// running in environments without access to the unsafe package such as
// Google App Engine or with the "safe" build tag specified.
DisablePointerMethods bool
// ContinueOnMethod specifies whether or not recursion should continue once
// a custom error or Stringer interface is invoked. The default, false,
// means it will print the results of invoking the custom error or Stringer
// interface and return immediately instead of continuing to recurse into
// the internals of the data type.
//
// NOTE: This flag does not have any effect if method invocation is disabled
// via the DisableMethods or DisablePointerMethods options.
ContinueOnMethod bool
// SortKeys specifies map keys should be sorted before being printed. Use
// this to have a more deterministic, diffable output. Note that only
// native types (bool, int, uint, floats, uintptr and string) and types
// that support the error or Stringer interfaces (if methods are
// enabled) are supported, with other types sorted according to the
// reflect.Value.String() output which guarantees display stability.
SortKeys bool
// SpewKeys specifies that, as a last resort attempt, map keys should
// be spewed to strings and sorted by those strings. This is only
// considered if SortKeys is true.
SpewKeys bool
}
// Config is the active configuration of the top-level functions.
// The configuration can be changed by modifying the contents of spew.Config.
var Config = ConfigState{Indent: " "}
// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the formatted string as a value that satisfies error. See NewFormatter
// for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
return fmt.Errorf(format, c.convertArgs(a)...)
}
// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprint(w, c.convertArgs(a)...)
}
// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
return fmt.Fprintf(w, format, c.convertArgs(a)...)
}
// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
// passed with a Formatter interface returned by c.NewFormatter. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprintln(w, c.convertArgs(a)...)
}
// Print is a wrapper for fmt.Print that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
return fmt.Print(c.convertArgs(a)...)
}
// Printf is a wrapper for fmt.Printf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
return fmt.Printf(format, c.convertArgs(a)...)
}
// Println is a wrapper for fmt.Println that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
return fmt.Println(c.convertArgs(a)...)
}
// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprint(a ...interface{}) string {
return fmt.Sprint(c.convertArgs(a)...)
}
// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
// passed with a Formatter interface returned by c.NewFormatter. It returns
// the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
return fmt.Sprintf(format, c.convertArgs(a)...)
}
// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
// were passed with a Formatter interface returned by c.NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
func (c *ConfigState) Sprintln(a ...interface{}) string {
return fmt.Sprintln(c.convertArgs(a)...)
}
/*
NewFormatter returns a custom formatter that satisfies the fmt.Formatter
interface. As a result, it integrates cleanly with standard fmt package
printing functions. The formatter is useful for inline printing of smaller data
types similar to the standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Typically this function shouldn't be called directly. It is much easier to make
use of the custom formatter by calling one of the convenience functions such as
c.Printf, c.Println, or c.Printf.
*/
func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
return newFormatter(c, v)
}
// Fdump formats and displays the passed arguments to io.Writer w. It formats
// exactly the same as Dump.
func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
fdump(c, w, a...)
}
/*
Dump displays the passed parameters to standard out with newlines, customizable
indentation, and additional debug information such as complete types and all
pointer addresses used to indirect to the final value. It provides the
following features over the built-in printing facilities provided by the fmt
package:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output
The configuration options are controlled by modifying the public members
of c. See ConfigState for options documentation.
See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
get the formatted result as a string.
*/
func (c *ConfigState) Dump(a ...interface{}) {
fdump(c, os.Stdout, a...)
}
// Sdump returns a string with the passed arguments formatted exactly the same
// as Dump.
func (c *ConfigState) Sdump(a ...interface{}) string {
var buf bytes.Buffer
fdump(c, &buf, a...)
return buf.String()
}
// convertArgs accepts a slice of arguments and returns a slice of the same
// length with each argument converted to a spew Formatter interface using
// the ConfigState associated with s.
func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
formatters = make([]interface{}, len(args))
for index, arg := range args {
formatters[index] = newFormatter(c, arg)
}
return formatters
}
// NewDefaultConfig returns a ConfigState with the following default settings.
//
// Indent: " "
// MaxDepth: 0
// DisableMethods: false
// DisablePointerMethods: false
// ContinueOnMethod: false
// SortKeys: false
func NewDefaultConfig() *ConfigState {
return &ConfigState{Indent: " "}
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
Package spew implements a deep pretty printer for Go data structures to aid in
debugging.
A quick overview of the additional features spew provides over the built-in
printing facilities for Go data types are as follows:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output (only when using
Dump style)
There are two different approaches spew allows for dumping Go data structures:
* Dump style which prints with newlines, customizable indentation,
and additional debug information such as types and all pointer addresses
used to indirect to the final value
* A custom Formatter interface that integrates cleanly with the standard fmt
package and replaces %v, %+v, %#v, and %#+v to provide inline printing
similar to the default %v while providing the additional functionality
outlined above and passing unsupported format verbs such as %x and %q
along to fmt
Quick Start
This section demonstrates how to quickly get started with spew. See the
sections below for further details on formatting and configuration options.
To dump a variable with full newlines, indentation, type, and pointer
information use Dump, Fdump, or Sdump:
spew.Dump(myVar1, myVar2, ...)
spew.Fdump(someWriter, myVar1, myVar2, ...)
str := spew.Sdump(myVar1, myVar2, ...)
Alternatively, if you would prefer to use format strings with a compacted inline
printing style, use the convenience wrappers Printf, Fprintf, etc with
%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
%#+v (adds types and pointer addresses):
spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
Configuration Options
Configuration of spew is handled by fields in the ConfigState type. For
convenience, all of the top-level functions use a global state available
via the spew.Config global.
It is also possible to create a ConfigState instance that provides methods
equivalent to the top-level functions. This allows concurrent configuration
options. See the ConfigState documentation for more details.
The following configuration options are available:
* Indent
String to use for each indentation level for Dump functions.
It is a single space by default. A popular alternative is "\t".
* MaxDepth
Maximum number of levels to descend into nested data structures.
There is no limit by default.
* DisableMethods
Disables invocation of error and Stringer interface methods.
Method invocation is enabled by default.
* DisablePointerMethods
Disables invocation of error and Stringer interface methods on types
which only accept pointer receivers from non-pointer variables.
Pointer method invocation is enabled by default.
* ContinueOnMethod
Enables recursion into types after invoking error and Stringer interface
methods. Recursion after method invocation is disabled by default.
* SortKeys
Specifies map keys should be sorted before being printed. Use
this to have a more deterministic, diffable output. Note that
only native types (bool, int, uint, floats, uintptr and string)
and types which implement error or Stringer interfaces are
supported with other types sorted according to the
reflect.Value.String() output which guarantees display
stability. Natural map order is used by default.
* SpewKeys
Specifies that, as a last resort attempt, map keys should be
spewed to strings and sorted by those strings. This is only
considered if SortKeys is true.
Dump Usage
Simply call spew.Dump with a list of variables you want to dump:
spew.Dump(myVar1, myVar2, ...)
You may also call spew.Fdump if you would prefer to output to an arbitrary
io.Writer. For example, to dump to standard error:
spew.Fdump(os.Stderr, myVar1, myVar2, ...)
A third option is to call spew.Sdump to get the formatted output as a string:
str := spew.Sdump(myVar1, myVar2, ...)
Sample Dump Output
See the Dump example for details on the setup of the types and variables being
shown here.
(main.Foo) {
unexportedField: (*main.Bar)(0xf84002e210)({
flag: (main.Flag) flagTwo,
data: (uintptr) <nil>
}),
ExportedField: (map[interface {}]interface {}) (len=1) {
(string) (len=3) "one": (bool) true
}
}
Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
command as shown.
([]uint8) (len=32 cap=32) {
00000000 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 |............... |
00000010 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 |!"#$%&'()*+,-./0|
00000020 31 32 |12|
}
Custom Formatter
Spew provides a custom formatter that implements the fmt.Formatter interface
so that it integrates cleanly with standard fmt package printing functions. The
formatter is useful for inline printing of smaller data types similar to the
standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Custom Formatter Usage
The simplest way to make use of the spew custom formatter is to call one of the
convenience functions such as spew.Printf, spew.Println, or spew.Printf. The
functions have syntax you are most likely already familiar with:
spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
spew.Println(myVar, myVar2)
spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
See the Index for the full list convenience functions.
Sample Formatter Output
Double pointer to a uint8:
%v: <**>5
%+v: <**>(0xf8400420d0->0xf8400420c8)5
%#v: (**uint8)5
%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
Pointer to circular struct with a uint8 field and a pointer to itself:
%v: <*>{1 <*><shown>}
%+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
%#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
See the Printf example for details on the setup of variables being shown
here.
Errors
Since it is possible for custom Stringer/error interfaces to panic, spew
detects them and handles them internally by printing the panic information
inline with the output. Since spew is intended to provide deep pretty printing
capabilities on structures, it intentionally does not return any errors.
*/
package spew

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"os"
"reflect"
"regexp"
"strconv"
"strings"
)
var (
// uint8Type is a reflect.Type representing a uint8. It is used to
// convert cgo types to uint8 slices for hexdumping.
uint8Type = reflect.TypeOf(uint8(0))
// cCharRE is a regular expression that matches a cgo char.
// It is used to detect character arrays to hexdump them.
cCharRE = regexp.MustCompile("^.*\\._Ctype_char$")
// cUnsignedCharRE is a regular expression that matches a cgo unsigned
// char. It is used to detect unsigned character arrays to hexdump
// them.
cUnsignedCharRE = regexp.MustCompile("^.*\\._Ctype_unsignedchar$")
// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
// It is used to detect uint8_t arrays to hexdump them.
cUint8tCharRE = regexp.MustCompile("^.*\\._Ctype_uint8_t$")
)
// dumpState contains information about the state of a dump operation.
type dumpState struct {
w io.Writer
depth int
pointers map[uintptr]int
ignoreNextType bool
ignoreNextIndent bool
cs *ConfigState
}
// indent performs indentation according to the depth level and cs.Indent
// option.
func (d *dumpState) indent() {
if d.ignoreNextIndent {
d.ignoreNextIndent = false
return
}
d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
}
// unpackValue returns values inside of non-nil interfaces when possible.
// This is useful for data types like structs, arrays, slices, and maps which
// can contain varying types packed inside an interface.
func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
if v.Kind() == reflect.Interface && !v.IsNil() {
v = v.Elem()
}
return v
}
// dumpPtr handles formatting of pointers by indirecting them as necessary.
func (d *dumpState) dumpPtr(v reflect.Value) {
// Remove pointers at or below the current depth from map used to detect
// circular refs.
for k, depth := range d.pointers {
if depth >= d.depth {
delete(d.pointers, k)
}
}
// Keep list of all dereferenced pointers to show later.
pointerChain := make([]uintptr, 0)
// Figure out how many levels of indirection there are by dereferencing
// pointers and unpacking interfaces down the chain while detecting circular
// references.
nilFound := false
cycleFound := false
indirects := 0
ve := v
for ve.Kind() == reflect.Ptr {
if ve.IsNil() {
nilFound = true
break
}
indirects++
addr := ve.Pointer()
pointerChain = append(pointerChain, addr)
if pd, ok := d.pointers[addr]; ok && pd < d.depth {
cycleFound = true
indirects--
break
}
d.pointers[addr] = d.depth
ve = ve.Elem()
if ve.Kind() == reflect.Interface {
if ve.IsNil() {
nilFound = true
break
}
ve = ve.Elem()
}
}
// Display type information.
d.w.Write(openParenBytes)
d.w.Write(bytes.Repeat(asteriskBytes, indirects))
d.w.Write([]byte(ve.Type().String()))
d.w.Write(closeParenBytes)
// Display pointer information.
if len(pointerChain) > 0 {
d.w.Write(openParenBytes)
for i, addr := range pointerChain {
if i > 0 {
d.w.Write(pointerChainBytes)
}
printHexPtr(d.w, addr)
}
d.w.Write(closeParenBytes)
}
// Display dereferenced value.
d.w.Write(openParenBytes)
switch {
case nilFound == true:
d.w.Write(nilAngleBytes)
case cycleFound == true:
d.w.Write(circularBytes)
default:
d.ignoreNextType = true
d.dump(ve)
}
d.w.Write(closeParenBytes)
}
// dumpSlice handles formatting of arrays and slices. Byte (uint8 under
// reflection) arrays and slices are dumped in hexdump -C fashion.
func (d *dumpState) dumpSlice(v reflect.Value) {
// Determine whether this type should be hex dumped or not. Also,
// for types which should be hexdumped, try to use the underlying data
// first, then fall back to trying to convert them to a uint8 slice.
var buf []uint8
doConvert := false
doHexDump := false
numEntries := v.Len()
if numEntries > 0 {
vt := v.Index(0).Type()
vts := vt.String()
switch {
// C types that need to be converted.
case cCharRE.MatchString(vts):
fallthrough
case cUnsignedCharRE.MatchString(vts):
fallthrough
case cUint8tCharRE.MatchString(vts):
doConvert = true
// Try to use existing uint8 slices and fall back to converting
// and copying if that fails.
case vt.Kind() == reflect.Uint8:
// We need an addressable interface to convert the type
// to a byte slice. However, the reflect package won't
// give us an interface on certain things like
// unexported struct fields in order to enforce
// visibility rules. We use unsafe, when available, to
// bypass these restrictions since this package does not
// mutate the values.
vs := v
if !vs.CanInterface() || !vs.CanAddr() {
vs = unsafeReflectValue(vs)
}
if !UnsafeDisabled {
vs = vs.Slice(0, numEntries)
// Use the existing uint8 slice if it can be
// type asserted.
iface := vs.Interface()
if slice, ok := iface.([]uint8); ok {
buf = slice
doHexDump = true
break
}
}
// The underlying data needs to be converted if it can't
// be type asserted to a uint8 slice.
doConvert = true
}
// Copy and convert the underlying type if needed.
if doConvert && vt.ConvertibleTo(uint8Type) {
// Convert and copy each element into a uint8 byte
// slice.
buf = make([]uint8, numEntries)
for i := 0; i < numEntries; i++ {
vv := v.Index(i)
buf[i] = uint8(vv.Convert(uint8Type).Uint())
}
doHexDump = true
}
}
// Hexdump the entire slice as needed.
if doHexDump {
indent := strings.Repeat(d.cs.Indent, d.depth)
str := indent + hex.Dump(buf)
str = strings.Replace(str, "\n", "\n"+indent, -1)
str = strings.TrimRight(str, d.cs.Indent)
d.w.Write([]byte(str))
return
}
// Recursively call dump for each item.
for i := 0; i < numEntries; i++ {
d.dump(d.unpackValue(v.Index(i)))
if i < (numEntries - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
// dump is the main workhorse for dumping a value. It uses the passed reflect
// value to figure out what kind of object we are dealing with and formats it
// appropriately. It is a recursive function, however circular data structures
// are detected and handled properly.
func (d *dumpState) dump(v reflect.Value) {
// Handle invalid reflect values immediately.
kind := v.Kind()
if kind == reflect.Invalid {
d.w.Write(invalidAngleBytes)
return
}
// Handle pointers specially.
if kind == reflect.Ptr {
d.indent()
d.dumpPtr(v)
return
}
// Print type information unless already handled elsewhere.
if !d.ignoreNextType {
d.indent()
d.w.Write(openParenBytes)
d.w.Write([]byte(v.Type().String()))
d.w.Write(closeParenBytes)
d.w.Write(spaceBytes)
}
d.ignoreNextType = false
// Display length and capacity if the built-in len and cap functions
// work with the value's kind and the len/cap itself is non-zero.
valueLen, valueCap := 0, 0
switch v.Kind() {
case reflect.Array, reflect.Slice, reflect.Chan:
valueLen, valueCap = v.Len(), v.Cap()
case reflect.Map, reflect.String:
valueLen = v.Len()
}
if valueLen != 0 || valueCap != 0 {
d.w.Write(openParenBytes)
if valueLen != 0 {
d.w.Write(lenEqualsBytes)
printInt(d.w, int64(valueLen), 10)
}
if valueCap != 0 {
if valueLen != 0 {
d.w.Write(spaceBytes)
}
d.w.Write(capEqualsBytes)
printInt(d.w, int64(valueCap), 10)
}
d.w.Write(closeParenBytes)
d.w.Write(spaceBytes)
}
// Call Stringer/error interfaces if they exist and the handle methods flag
// is enabled
if !d.cs.DisableMethods {
if (kind != reflect.Invalid) && (kind != reflect.Interface) {
if handled := handleMethods(d.cs, d.w, v); handled {
return
}
}
}
switch kind {
case reflect.Invalid:
// Do nothing. We should never get here since invalid has already
// been handled above.
case reflect.Bool:
printBool(d.w, v.Bool())
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
printInt(d.w, v.Int(), 10)
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
printUint(d.w, v.Uint(), 10)
case reflect.Float32:
printFloat(d.w, v.Float(), 32)
case reflect.Float64:
printFloat(d.w, v.Float(), 64)
case reflect.Complex64:
printComplex(d.w, v.Complex(), 32)
case reflect.Complex128:
printComplex(d.w, v.Complex(), 64)
case reflect.Slice:
if v.IsNil() {
d.w.Write(nilAngleBytes)
break
}
fallthrough
case reflect.Array:
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
d.dumpSlice(v)
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.String:
d.w.Write([]byte(strconv.Quote(v.String())))
case reflect.Interface:
// The only time we should get here is for nil interfaces due to
// unpackValue calls.
if v.IsNil() {
d.w.Write(nilAngleBytes)
}
case reflect.Ptr:
// Do nothing. We should never get here since pointers have already
// been handled above.
case reflect.Map:
// nil maps should be indicated as different than empty maps
if v.IsNil() {
d.w.Write(nilAngleBytes)
break
}
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
numEntries := v.Len()
keys := v.MapKeys()
if d.cs.SortKeys {
sortValues(keys, d.cs)
}
for i, key := range keys {
d.dump(d.unpackValue(key))
d.w.Write(colonSpaceBytes)
d.ignoreNextIndent = true
d.dump(d.unpackValue(v.MapIndex(key)))
if i < (numEntries - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.Struct:
d.w.Write(openBraceNewlineBytes)
d.depth++
if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
d.indent()
d.w.Write(maxNewlineBytes)
} else {
vt := v.Type()
numFields := v.NumField()
for i := 0; i < numFields; i++ {
d.indent()
vtf := vt.Field(i)
d.w.Write([]byte(vtf.Name))
d.w.Write(colonSpaceBytes)
d.ignoreNextIndent = true
d.dump(d.unpackValue(v.Field(i)))
if i < (numFields - 1) {
d.w.Write(commaNewlineBytes)
} else {
d.w.Write(newlineBytes)
}
}
}
d.depth--
d.indent()
d.w.Write(closeBraceBytes)
case reflect.Uintptr:
printHexPtr(d.w, uintptr(v.Uint()))
case reflect.UnsafePointer, reflect.Chan, reflect.Func:
printHexPtr(d.w, v.Pointer())
// There were not any other types at the time this code was written, but
// fall back to letting the default fmt package handle it in case any new
// types are added.
default:
if v.CanInterface() {
fmt.Fprintf(d.w, "%v", v.Interface())
} else {
fmt.Fprintf(d.w, "%v", v.String())
}
}
}
// fdump is a helper function to consolidate the logic from the various public
// methods which take varying writers and config states.
func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
for _, arg := range a {
if arg == nil {
w.Write(interfaceBytes)
w.Write(spaceBytes)
w.Write(nilAngleBytes)
w.Write(newlineBytes)
continue
}
d := dumpState{w: w, cs: cs}
d.pointers = make(map[uintptr]int)
d.dump(reflect.ValueOf(arg))
d.w.Write(newlineBytes)
}
}
// Fdump formats and displays the passed arguments to io.Writer w. It formats
// exactly the same as Dump.
func Fdump(w io.Writer, a ...interface{}) {
fdump(&Config, w, a...)
}
// Sdump returns a string with the passed arguments formatted exactly the same
// as Dump.
func Sdump(a ...interface{}) string {
var buf bytes.Buffer
fdump(&Config, &buf, a...)
return buf.String()
}
/*
Dump displays the passed parameters to standard out with newlines, customizable
indentation, and additional debug information such as complete types and all
pointer addresses used to indirect to the final value. It provides the
following features over the built-in printing facilities provided by the fmt
package:
* Pointers are dereferenced and followed
* Circular data structures are detected and handled properly
* Custom Stringer/error interfaces are optionally invoked, including
on unexported types
* Custom types which only implement the Stringer/error interfaces via
a pointer receiver are optionally invoked when passing non-pointer
variables
* Byte arrays and slices are dumped like the hexdump -C command which
includes offsets, byte values in hex, and ASCII output
The configuration options are controlled by an exported package global,
spew.Config. See ConfigState for options documentation.
See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
get the formatted result as a string.
*/
func Dump(a ...interface{}) {
fdump(&Config, os.Stdout, a...)
}

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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"bytes"
"fmt"
"reflect"
"strconv"
"strings"
)
// supportedFlags is a list of all the character flags supported by fmt package.
const supportedFlags = "0-+# "
// formatState implements the fmt.Formatter interface and contains information
// about the state of a formatting operation. The NewFormatter function can
// be used to get a new Formatter which can be used directly as arguments
// in standard fmt package printing calls.
type formatState struct {
value interface{}
fs fmt.State
depth int
pointers map[uintptr]int
ignoreNextType bool
cs *ConfigState
}
// buildDefaultFormat recreates the original format string without precision
// and width information to pass in to fmt.Sprintf in the case of an
// unrecognized type. Unless new types are added to the language, this
// function won't ever be called.
func (f *formatState) buildDefaultFormat() (format string) {
buf := bytes.NewBuffer(percentBytes)
for _, flag := range supportedFlags {
if f.fs.Flag(int(flag)) {
buf.WriteRune(flag)
}
}
buf.WriteRune('v')
format = buf.String()
return format
}
// constructOrigFormat recreates the original format string including precision
// and width information to pass along to the standard fmt package. This allows
// automatic deferral of all format strings this package doesn't support.
func (f *formatState) constructOrigFormat(verb rune) (format string) {
buf := bytes.NewBuffer(percentBytes)
for _, flag := range supportedFlags {
if f.fs.Flag(int(flag)) {
buf.WriteRune(flag)
}
}
if width, ok := f.fs.Width(); ok {
buf.WriteString(strconv.Itoa(width))
}
if precision, ok := f.fs.Precision(); ok {
buf.Write(precisionBytes)
buf.WriteString(strconv.Itoa(precision))
}
buf.WriteRune(verb)
format = buf.String()
return format
}
// unpackValue returns values inside of non-nil interfaces when possible and
// ensures that types for values which have been unpacked from an interface
// are displayed when the show types flag is also set.
// This is useful for data types like structs, arrays, slices, and maps which
// can contain varying types packed inside an interface.
func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
if v.Kind() == reflect.Interface {
f.ignoreNextType = false
if !v.IsNil() {
v = v.Elem()
}
}
return v
}
// formatPtr handles formatting of pointers by indirecting them as necessary.
func (f *formatState) formatPtr(v reflect.Value) {
// Display nil if top level pointer is nil.
showTypes := f.fs.Flag('#')
if v.IsNil() && (!showTypes || f.ignoreNextType) {
f.fs.Write(nilAngleBytes)
return
}
// Remove pointers at or below the current depth from map used to detect
// circular refs.
for k, depth := range f.pointers {
if depth >= f.depth {
delete(f.pointers, k)
}
}
// Keep list of all dereferenced pointers to possibly show later.
pointerChain := make([]uintptr, 0)
// Figure out how many levels of indirection there are by derferencing
// pointers and unpacking interfaces down the chain while detecting circular
// references.
nilFound := false
cycleFound := false
indirects := 0
ve := v
for ve.Kind() == reflect.Ptr {
if ve.IsNil() {
nilFound = true
break
}
indirects++
addr := ve.Pointer()
pointerChain = append(pointerChain, addr)
if pd, ok := f.pointers[addr]; ok && pd < f.depth {
cycleFound = true
indirects--
break
}
f.pointers[addr] = f.depth
ve = ve.Elem()
if ve.Kind() == reflect.Interface {
if ve.IsNil() {
nilFound = true
break
}
ve = ve.Elem()
}
}
// Display type or indirection level depending on flags.
if showTypes && !f.ignoreNextType {
f.fs.Write(openParenBytes)
f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
f.fs.Write([]byte(ve.Type().String()))
f.fs.Write(closeParenBytes)
} else {
if nilFound || cycleFound {
indirects += strings.Count(ve.Type().String(), "*")
}
f.fs.Write(openAngleBytes)
f.fs.Write([]byte(strings.Repeat("*", indirects)))
f.fs.Write(closeAngleBytes)
}
// Display pointer information depending on flags.
if f.fs.Flag('+') && (len(pointerChain) > 0) {
f.fs.Write(openParenBytes)
for i, addr := range pointerChain {
if i > 0 {
f.fs.Write(pointerChainBytes)
}
printHexPtr(f.fs, addr)
}
f.fs.Write(closeParenBytes)
}
// Display dereferenced value.
switch {
case nilFound == true:
f.fs.Write(nilAngleBytes)
case cycleFound == true:
f.fs.Write(circularShortBytes)
default:
f.ignoreNextType = true
f.format(ve)
}
}
// format is the main workhorse for providing the Formatter interface. It
// uses the passed reflect value to figure out what kind of object we are
// dealing with and formats it appropriately. It is a recursive function,
// however circular data structures are detected and handled properly.
func (f *formatState) format(v reflect.Value) {
// Handle invalid reflect values immediately.
kind := v.Kind()
if kind == reflect.Invalid {
f.fs.Write(invalidAngleBytes)
return
}
// Handle pointers specially.
if kind == reflect.Ptr {
f.formatPtr(v)
return
}
// Print type information unless already handled elsewhere.
if !f.ignoreNextType && f.fs.Flag('#') {
f.fs.Write(openParenBytes)
f.fs.Write([]byte(v.Type().String()))
f.fs.Write(closeParenBytes)
}
f.ignoreNextType = false
// Call Stringer/error interfaces if they exist and the handle methods
// flag is enabled.
if !f.cs.DisableMethods {
if (kind != reflect.Invalid) && (kind != reflect.Interface) {
if handled := handleMethods(f.cs, f.fs, v); handled {
return
}
}
}
switch kind {
case reflect.Invalid:
// Do nothing. We should never get here since invalid has already
// been handled above.
case reflect.Bool:
printBool(f.fs, v.Bool())
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
printInt(f.fs, v.Int(), 10)
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
printUint(f.fs, v.Uint(), 10)
case reflect.Float32:
printFloat(f.fs, v.Float(), 32)
case reflect.Float64:
printFloat(f.fs, v.Float(), 64)
case reflect.Complex64:
printComplex(f.fs, v.Complex(), 32)
case reflect.Complex128:
printComplex(f.fs, v.Complex(), 64)
case reflect.Slice:
if v.IsNil() {
f.fs.Write(nilAngleBytes)
break
}
fallthrough
case reflect.Array:
f.fs.Write(openBracketBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
numEntries := v.Len()
for i := 0; i < numEntries; i++ {
if i > 0 {
f.fs.Write(spaceBytes)
}
f.ignoreNextType = true
f.format(f.unpackValue(v.Index(i)))
}
}
f.depth--
f.fs.Write(closeBracketBytes)
case reflect.String:
f.fs.Write([]byte(v.String()))
case reflect.Interface:
// The only time we should get here is for nil interfaces due to
// unpackValue calls.
if v.IsNil() {
f.fs.Write(nilAngleBytes)
}
case reflect.Ptr:
// Do nothing. We should never get here since pointers have already
// been handled above.
case reflect.Map:
// nil maps should be indicated as different than empty maps
if v.IsNil() {
f.fs.Write(nilAngleBytes)
break
}
f.fs.Write(openMapBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
keys := v.MapKeys()
if f.cs.SortKeys {
sortValues(keys, f.cs)
}
for i, key := range keys {
if i > 0 {
f.fs.Write(spaceBytes)
}
f.ignoreNextType = true
f.format(f.unpackValue(key))
f.fs.Write(colonBytes)
f.ignoreNextType = true
f.format(f.unpackValue(v.MapIndex(key)))
}
}
f.depth--
f.fs.Write(closeMapBytes)
case reflect.Struct:
numFields := v.NumField()
f.fs.Write(openBraceBytes)
f.depth++
if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
f.fs.Write(maxShortBytes)
} else {
vt := v.Type()
for i := 0; i < numFields; i++ {
if i > 0 {
f.fs.Write(spaceBytes)
}
vtf := vt.Field(i)
if f.fs.Flag('+') || f.fs.Flag('#') {
f.fs.Write([]byte(vtf.Name))
f.fs.Write(colonBytes)
}
f.format(f.unpackValue(v.Field(i)))
}
}
f.depth--
f.fs.Write(closeBraceBytes)
case reflect.Uintptr:
printHexPtr(f.fs, uintptr(v.Uint()))
case reflect.UnsafePointer, reflect.Chan, reflect.Func:
printHexPtr(f.fs, v.Pointer())
// There were not any other types at the time this code was written, but
// fall back to letting the default fmt package handle it if any get added.
default:
format := f.buildDefaultFormat()
if v.CanInterface() {
fmt.Fprintf(f.fs, format, v.Interface())
} else {
fmt.Fprintf(f.fs, format, v.String())
}
}
}
// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
// details.
func (f *formatState) Format(fs fmt.State, verb rune) {
f.fs = fs
// Use standard formatting for verbs that are not v.
if verb != 'v' {
format := f.constructOrigFormat(verb)
fmt.Fprintf(fs, format, f.value)
return
}
if f.value == nil {
if fs.Flag('#') {
fs.Write(interfaceBytes)
}
fs.Write(nilAngleBytes)
return
}
f.format(reflect.ValueOf(f.value))
}
// newFormatter is a helper function to consolidate the logic from the various
// public methods which take varying config states.
func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
fs := &formatState{value: v, cs: cs}
fs.pointers = make(map[uintptr]int)
return fs
}
/*
NewFormatter returns a custom formatter that satisfies the fmt.Formatter
interface. As a result, it integrates cleanly with standard fmt package
printing functions. The formatter is useful for inline printing of smaller data
types similar to the standard %v format specifier.
The custom formatter only responds to the %v (most compact), %+v (adds pointer
addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
combinations. Any other verbs such as %x and %q will be sent to the the
standard fmt package for formatting. In addition, the custom formatter ignores
the width and precision arguments (however they will still work on the format
specifiers not handled by the custom formatter).
Typically this function shouldn't be called directly. It is much easier to make
use of the custom formatter by calling one of the convenience functions such as
Printf, Println, or Fprintf.
*/
func NewFormatter(v interface{}) fmt.Formatter {
return newFormatter(&Config, v)
}

148
vendor/github.com/davecgh/go-spew/spew/spew.go сгенерированный поставляемый Normal file
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/*
* Copyright (c) 2013 Dave Collins <dave@davec.name>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package spew
import (
"fmt"
"io"
)
// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the formatted string as a value that satisfies error. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Errorf(format string, a ...interface{}) (err error) {
return fmt.Errorf(format, convertArgs(a)...)
}
// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprint(w, convertArgs(a)...)
}
// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
return fmt.Fprintf(w, format, convertArgs(a)...)
}
// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
// passed with a default Formatter interface returned by NewFormatter. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
return fmt.Fprintln(w, convertArgs(a)...)
}
// Print is a wrapper for fmt.Print that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
func Print(a ...interface{}) (n int, err error) {
return fmt.Print(convertArgs(a)...)
}
// Printf is a wrapper for fmt.Printf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Printf(format string, a ...interface{}) (n int, err error) {
return fmt.Printf(format, convertArgs(a)...)
}
// Println is a wrapper for fmt.Println that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the number of bytes written and any write error encountered. See
// NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
func Println(a ...interface{}) (n int, err error) {
return fmt.Println(convertArgs(a)...)
}
// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
func Sprint(a ...interface{}) string {
return fmt.Sprint(convertArgs(a)...)
}
// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
// passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
func Sprintf(format string, a ...interface{}) string {
return fmt.Sprintf(format, convertArgs(a)...)
}
// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
// were passed with a default Formatter interface returned by NewFormatter. It
// returns the resulting string. See NewFormatter for formatting details.
//
// This function is shorthand for the following syntax:
//
// fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
func Sprintln(a ...interface{}) string {
return fmt.Sprintln(convertArgs(a)...)
}
// convertArgs accepts a slice of arguments and returns a slice of the same
// length with each argument converted to a default spew Formatter interface.
func convertArgs(args []interface{}) (formatters []interface{}) {
formatters = make([]interface{}, len(args))
for index, arg := range args {
formatters[index] = NewFormatter(arg)
}
return formatters
}

5
vendor/github.com/go-ini/ini/.gitignore сгенерированный поставляемый Normal file
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testdata/conf_out.ini
ini.sublime-project
ini.sublime-workspace
testdata/conf_reflect.ini
.idea

16
vendor/github.com/go-ini/ini/.travis.yml сгенерированный поставляемый Normal file
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sudo: false
language: go
go:
- 1.4
- 1.5
- 1.6
- tip
script:
- go get -v github.com/smartystreets/goconvey
- go test -v -cover -race
notifications:
email:
- u@gogs.io

191
vendor/github.com/go-ini/ini/LICENSE сгенерированный поставляемый Normal file
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
indirect, to cause the direction or management of such entity, whether by
contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including
but not limited to software source code, documentation source, and configuration
files.
"Object" form shall mean any form resulting from mechanical transformation or
translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
annotations, elaborations, or other modifications represent, as a whole, an
original work of authorship. For the purposes of this License, Derivative Works
shall not include works that remain separable from, or merely link (or bind by
name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,
"submitted" means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems, and
issue tracking systems that are managed by, or on behalf of, the Licensor for
the purpose of discussing and improving the Work, but excluding communication
that is conspicuously marked or otherwise designated in writing by the copyright
owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
of whom a Contribution has been received by Licensor and subsequently
incorporated within the Work.
2. Grant of Copyright License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the Work and such
Derivative Works in Source or Object form.
3. Grant of Patent License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to make, have
made, use, offer to sell, sell, import, and otherwise transfer the Work, where
such license applies only to those patent claims licensable by such Contributor
that are necessarily infringed by their Contribution(s) alone or by combination
of their Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work or a
Contribution incorporated within the Work constitutes direct or contributory
patent infringement, then any patent licenses granted to You under this License
for that Work shall terminate as of the date such litigation is filed.
4. Redistribution.
You may reproduce and distribute copies of the Work or Derivative Works thereof
in any medium, with or without modifications, and in Source or Object form,
provided that You meet the following conditions:
You must give any other recipients of the Work or Derivative Works a copy of
this License; and
You must cause any modified files to carry prominent notices stating that You
changed the files; and
You must retain, in the Source form of any Derivative Works that You distribute,
all copyright, patent, trademark, and attribution notices from the Source form
of the Work, excluding those notices that do not pertain to any part of the
Derivative Works; and
If the Work includes a "NOTICE" text file as part of its distribution, then any
Derivative Works that You distribute must include a readable copy of the
attribution notices contained within such NOTICE file, excluding those notices
that do not pertain to any part of the Derivative Works, in at least one of the
following places: within a NOTICE text file distributed as part of the
Derivative Works; within the Source form or documentation, if provided along
with the Derivative Works; or, within a display generated by the Derivative
Works, if and wherever such third-party notices normally appear. The contents of
the NOTICE file are for informational purposes only and do not modify the
License. You may add Your own attribution notices within Derivative Works that
You distribute, alongside or as an addendum to the NOTICE text from the Work,
provided that such additional attribution notices cannot be construed as
modifying the License.
You may add Your own copyright statement to Your modifications and may provide
additional or different license terms and conditions for use, reproduction, or
distribution of Your modifications, or for any such Derivative Works as a whole,
provided Your use, reproduction, and distribution of the Work otherwise complies
with the conditions stated in this License.
5. Submission of Contributions.
Unless You explicitly state otherwise, any Contribution intentionally submitted
for inclusion in the Work by You to the Licensor shall be under the terms and
conditions of this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify the terms of
any separate license agreement you may have executed with Licensor regarding
such Contributions.
6. Trademarks.
This License does not grant permission to use the trade names, trademarks,
service marks, or product names of the Licensor, except as required for
reasonable and customary use in describing the origin of the Work and
reproducing the content of the NOTICE file.
7. Disclaimer of Warranty.
Unless required by applicable law or agreed to in writing, Licensor provides the
Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
including, without limitation, any warranties or conditions of TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
solely responsible for determining the appropriateness of using or
redistributing the Work and assume any risks associated with Your exercise of
permissions under this License.
8. Limitation of Liability.
In no event and under no legal theory, whether in tort (including negligence),
contract, or otherwise, unless required by applicable law (such as deliberate
and grossly negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special, incidental,
or consequential damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not limited to
damages for loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such Contributor has
been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability.
While redistributing the Work or Derivative Works thereof, You may choose to
offer, and charge a fee for, acceptance of support, warranty, indemnity, or
other liability obligations and/or rights consistent with this License. However,
in accepting such obligations, You may act only on Your own behalf and on Your
sole responsibility, not on behalf of any other Contributor, and only if You
agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

12
vendor/github.com/go-ini/ini/Makefile сгенерированный поставляемый Normal file
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.PHONY: build test bench vet
build: vet bench
test:
go test -v -cover -race
bench:
go test -v -cover -race -test.bench=. -test.benchmem
vet:
go vet

664
vendor/github.com/go-ini/ini/README.md сгенерированный поставляемый Normal file
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INI [![Build Status](https://travis-ci.org/go-ini/ini.svg?branch=master)](https://travis-ci.org/go-ini/ini)
===
![](https://avatars0.githubusercontent.com/u/10216035?v=3&s=200)
Package ini provides INI file read and write functionality in Go.
[简体中文](README_ZH.md)
## Feature
- Load multiple data sources(`[]byte` or file) with overwrites.
- Read with recursion values.
- Read with parent-child sections.
- Read with auto-increment key names.
- Read with multiple-line values.
- Read with tons of helper methods.
- Read and convert values to Go types.
- Read and **WRITE** comments of sections and keys.
- Manipulate sections, keys and comments with ease.
- Keep sections and keys in order as you parse and save.
## Installation
To use a tagged revision:
go get gopkg.in/ini.v1
To use with latest changes:
go get github.com/go-ini/ini
Please add `-u` flag to update in the future.
### Testing
If you want to test on your machine, please apply `-t` flag:
go get -t gopkg.in/ini.v1
Please add `-u` flag to update in the future.
## Getting Started
### Loading from data sources
A **Data Source** is either raw data in type `[]byte` or a file name with type `string` and you can load **as many data sources as you want**. Passing other types will simply return an error.
```go
cfg, err := ini.Load([]byte("raw data"), "filename")
```
Or start with an empty object:
```go
cfg := ini.Empty()
```
When you cannot decide how many data sources to load at the beginning, you will still be able to **Append()** them later.
```go
err := cfg.Append("other file", []byte("other raw data"))
```
If you have a list of files with possibilities that some of them may not available at the time, and you don't know exactly which ones, you can use `LooseLoad` to ignore nonexistent files without returning error.
```go
cfg, err := ini.LooseLoad("filename", "filename_404")
```
The cool thing is, whenever the file is available to load while you're calling `Reload` method, it will be counted as usual.
When you do not care about cases of section and key names, you can use `InsensitiveLoad` to force all names to be lowercased while parsing.
```go
cfg, err := ini.InsensitiveLoad("filename")
//...
// sec1 and sec2 are the exactly same section object
sec1, err := cfg.GetSection("Section")
sec2, err := cfg.GetSection("SecTIOn")
// key1 and key2 are the exactly same key object
key1, err := cfg.GetKey("Key")
key2, err := cfg.GetKey("KeY")
```
If you want to give more advanced load options, use `LoadSources` and take a look at [`LoadOptions`](https://github.com/go-ini/ini/blob/v1.16.1/ini.go#L156).
### Working with sections
To get a section, you would need to:
```go
section, err := cfg.GetSection("section name")
```
For a shortcut for default section, just give an empty string as name:
```go
section, err := cfg.GetSection("")
```
When you're pretty sure the section exists, following code could make your life easier:
```go
section := cfg.Section("")
```
What happens when the section somehow does not exist? Don't panic, it automatically creates and returns a new section to you.
To create a new section:
```go
err := cfg.NewSection("new section")
```
To get a list of sections or section names:
```go
sections := cfg.Sections()
names := cfg.SectionStrings()
```
### Working with keys
To get a key under a section:
```go
key, err := cfg.Section("").GetKey("key name")
```
Same rule applies to key operations:
```go
key := cfg.Section("").Key("key name")
```
To check if a key exists:
```go
yes := cfg.Section("").HasKey("key name")
```
To create a new key:
```go
err := cfg.Section("").NewKey("name", "value")
```
To get a list of keys or key names:
```go
keys := cfg.Section("").Keys()
names := cfg.Section("").KeyStrings()
```
To get a clone hash of keys and corresponding values:
```go
hash := cfg.Section("").KeysHash()
```
### Working with values
To get a string value:
```go
val := cfg.Section("").Key("key name").String()
```
To validate key value on the fly:
```go
val := cfg.Section("").Key("key name").Validate(func(in string) string {
if len(in) == 0 {
return "default"
}
return in
})
```
If you do not want any auto-transformation (such as recursive read) for the values, you can get raw value directly (this way you get much better performance):
```go
val := cfg.Section("").Key("key name").Value()
```
To check if raw value exists:
```go
yes := cfg.Section("").HasValue("test value")
```
To get value with types:
```go
// For boolean values:
// true when value is: 1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On
// false when value is: 0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off
v, err = cfg.Section("").Key("BOOL").Bool()
v, err = cfg.Section("").Key("FLOAT64").Float64()
v, err = cfg.Section("").Key("INT").Int()
v, err = cfg.Section("").Key("INT64").Int64()
v, err = cfg.Section("").Key("UINT").Uint()
v, err = cfg.Section("").Key("UINT64").Uint64()
v, err = cfg.Section("").Key("TIME").TimeFormat(time.RFC3339)
v, err = cfg.Section("").Key("TIME").Time() // RFC3339
v = cfg.Section("").Key("BOOL").MustBool()
v = cfg.Section("").Key("FLOAT64").MustFloat64()
v = cfg.Section("").Key("INT").MustInt()
v = cfg.Section("").Key("INT64").MustInt64()
v = cfg.Section("").Key("UINT").MustUint()
v = cfg.Section("").Key("UINT64").MustUint64()
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339)
v = cfg.Section("").Key("TIME").MustTime() // RFC3339
// Methods start with Must also accept one argument for default value
// when key not found or fail to parse value to given type.
// Except method MustString, which you have to pass a default value.
v = cfg.Section("").Key("String").MustString("default")
v = cfg.Section("").Key("BOOL").MustBool(true)
v = cfg.Section("").Key("FLOAT64").MustFloat64(1.25)
v = cfg.Section("").Key("INT").MustInt(10)
v = cfg.Section("").Key("INT64").MustInt64(99)
v = cfg.Section("").Key("UINT").MustUint(3)
v = cfg.Section("").Key("UINT64").MustUint64(6)
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339, time.Now())
v = cfg.Section("").Key("TIME").MustTime(time.Now()) // RFC3339
```
What if my value is three-line long?
```ini
[advance]
ADDRESS = """404 road,
NotFound, State, 5000
Earth"""
```
Not a problem!
```go
cfg.Section("advance").Key("ADDRESS").String()
/* --- start ---
404 road,
NotFound, State, 5000
Earth
------ end --- */
```
That's cool, how about continuation lines?
```ini
[advance]
two_lines = how about \
continuation lines?
lots_of_lines = 1 \
2 \
3 \
4
```
Piece of cake!
```go
cfg.Section("advance").Key("two_lines").String() // how about continuation lines?
cfg.Section("advance").Key("lots_of_lines").String() // 1 2 3 4
```
Well, I hate continuation lines, how do I disable that?
```go
cfg, err := ini.LoadSources(ini.LoadOptions{
IgnoreContinuation: true,
}, "filename")
```
Holy crap!
Note that single quotes around values will be stripped:
```ini
foo = "some value" // foo: some value
bar = 'some value' // bar: some value
```
That's all? Hmm, no.
#### Helper methods of working with values
To get value with given candidates:
```go
v = cfg.Section("").Key("STRING").In("default", []string{"str", "arr", "types"})
v = cfg.Section("").Key("FLOAT64").InFloat64(1.1, []float64{1.25, 2.5, 3.75})
v = cfg.Section("").Key("INT").InInt(5, []int{10, 20, 30})
v = cfg.Section("").Key("INT64").InInt64(10, []int64{10, 20, 30})
v = cfg.Section("").Key("UINT").InUint(4, []int{3, 6, 9})
v = cfg.Section("").Key("UINT64").InUint64(8, []int64{3, 6, 9})
v = cfg.Section("").Key("TIME").InTimeFormat(time.RFC3339, time.Now(), []time.Time{time1, time2, time3})
v = cfg.Section("").Key("TIME").InTime(time.Now(), []time.Time{time1, time2, time3}) // RFC3339
```
Default value will be presented if value of key is not in candidates you given, and default value does not need be one of candidates.
To validate value in a given range:
```go
vals = cfg.Section("").Key("FLOAT64").RangeFloat64(0.0, 1.1, 2.2)
vals = cfg.Section("").Key("INT").RangeInt(0, 10, 20)
vals = cfg.Section("").Key("INT64").RangeInt64(0, 10, 20)
vals = cfg.Section("").Key("UINT").RangeUint(0, 3, 9)
vals = cfg.Section("").Key("UINT64").RangeUint64(0, 3, 9)
vals = cfg.Section("").Key("TIME").RangeTimeFormat(time.RFC3339, time.Now(), minTime, maxTime)
vals = cfg.Section("").Key("TIME").RangeTime(time.Now(), minTime, maxTime) // RFC3339
```
##### Auto-split values into a slice
To use zero value of type for invalid inputs:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [0.0 2.2 0.0 0.0]
vals = cfg.Section("").Key("STRINGS").Strings(",")
vals = cfg.Section("").Key("FLOAT64S").Float64s(",")
vals = cfg.Section("").Key("INTS").Ints(",")
vals = cfg.Section("").Key("INT64S").Int64s(",")
vals = cfg.Section("").Key("UINTS").Uints(",")
vals = cfg.Section("").Key("UINT64S").Uint64s(",")
vals = cfg.Section("").Key("TIMES").Times(",")
```
To exclude invalid values out of result slice:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [2.2]
vals = cfg.Section("").Key("FLOAT64S").ValidFloat64s(",")
vals = cfg.Section("").Key("INTS").ValidInts(",")
vals = cfg.Section("").Key("INT64S").ValidInt64s(",")
vals = cfg.Section("").Key("UINTS").ValidUints(",")
vals = cfg.Section("").Key("UINT64S").ValidUint64s(",")
vals = cfg.Section("").Key("TIMES").ValidTimes(",")
```
Or to return nothing but error when have invalid inputs:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> error
vals = cfg.Section("").Key("FLOAT64S").StrictFloat64s(",")
vals = cfg.Section("").Key("INTS").StrictInts(",")
vals = cfg.Section("").Key("INT64S").StrictInt64s(",")
vals = cfg.Section("").Key("UINTS").StrictUints(",")
vals = cfg.Section("").Key("UINT64S").StrictUint64s(",")
vals = cfg.Section("").Key("TIMES").StrictTimes(",")
```
### Save your configuration
Finally, it's time to save your configuration to somewhere.
A typical way to save configuration is writing it to a file:
```go
// ...
err = cfg.SaveTo("my.ini")
err = cfg.SaveToIndent("my.ini", "\t")
```
Another way to save is writing to a `io.Writer` interface:
```go
// ...
cfg.WriteTo(writer)
cfg.WriteToIndent(writer, "\t")
```
## Advanced Usage
### Recursive Values
For all value of keys, there is a special syntax `%(<name>)s`, where `<name>` is the key name in same section or default section, and `%(<name>)s` will be replaced by corresponding value(empty string if key not found). You can use this syntax at most 99 level of recursions.
```ini
NAME = ini
[author]
NAME = Unknwon
GITHUB = https://github.com/%(NAME)s
[package]
FULL_NAME = github.com/go-ini/%(NAME)s
```
```go
cfg.Section("author").Key("GITHUB").String() // https://github.com/Unknwon
cfg.Section("package").Key("FULL_NAME").String() // github.com/go-ini/ini
```
### Parent-child Sections
You can use `.` in section name to indicate parent-child relationship between two or more sections. If the key not found in the child section, library will try again on its parent section until there is no parent section.
```ini
NAME = ini
VERSION = v1
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
```
```go
cfg.Section("package.sub").Key("CLONE_URL").String() // https://gopkg.in/ini.v1
```
#### Retrieve parent keys available to a child section
```go
cfg.Section("package.sub").ParentKeys() // ["CLONE_URL"]
```
### Auto-increment Key Names
If key name is `-` in data source, then it would be seen as special syntax for auto-increment key name start from 1, and every section is independent on counter.
```ini
[features]
-: Support read/write comments of keys and sections
-: Support auto-increment of key names
-: Support load multiple files to overwrite key values
```
```go
cfg.Section("features").KeyStrings() // []{"#1", "#2", "#3"}
```
### Map To Struct
Want more objective way to play with INI? Cool.
```ini
Name = Unknwon
age = 21
Male = true
Born = 1993-01-01T20:17:05Z
[Note]
Content = Hi is a good man!
Cities = HangZhou, Boston
```
```go
type Note struct {
Content string
Cities []string
}
type Person struct {
Name string
Age int `ini:"age"`
Male bool
Born time.Time
Note
Created time.Time `ini:"-"`
}
func main() {
cfg, err := ini.Load("path/to/ini")
// ...
p := new(Person)
err = cfg.MapTo(p)
// ...
// Things can be simpler.
err = ini.MapTo(p, "path/to/ini")
// ...
// Just map a section? Fine.
n := new(Note)
err = cfg.Section("Note").MapTo(n)
// ...
}
```
Can I have default value for field? Absolutely.
Assign it before you map to struct. It will keep the value as it is if the key is not presented or got wrong type.
```go
// ...
p := &Person{
Name: "Joe",
}
// ...
```
It's really cool, but what's the point if you can't give me my file back from struct?
### Reflect From Struct
Why not?
```go
type Embeded struct {
Dates []time.Time `delim:"|"`
Places []string `ini:"places,omitempty"`
None []int `ini:",omitempty"`
}
type Author struct {
Name string `ini:"NAME"`
Male bool
Age int
GPA float64
NeverMind string `ini:"-"`
*Embeded
}
func main() {
a := &Author{"Unknwon", true, 21, 2.8, "",
&Embeded{
[]time.Time{time.Now(), time.Now()},
[]string{"HangZhou", "Boston"},
[]int{},
}}
cfg := ini.Empty()
err = ini.ReflectFrom(cfg, a)
// ...
}
```
So, what do I get?
```ini
NAME = Unknwon
Male = true
Age = 21
GPA = 2.8
[Embeded]
Dates = 2015-08-07T22:14:22+08:00|2015-08-07T22:14:22+08:00
places = HangZhou,Boston
```
#### Name Mapper
To save your time and make your code cleaner, this library supports [`NameMapper`](https://gowalker.org/gopkg.in/ini.v1#NameMapper) between struct field and actual section and key name.
There are 2 built-in name mappers:
- `AllCapsUnderscore`: it converts to format `ALL_CAPS_UNDERSCORE` then match section or key.
- `TitleUnderscore`: it converts to format `title_underscore` then match section or key.
To use them:
```go
type Info struct {
PackageName string
}
func main() {
err = ini.MapToWithMapper(&Info{}, ini.TitleUnderscore, []byte("package_name=ini"))
// ...
cfg, err := ini.Load([]byte("PACKAGE_NAME=ini"))
// ...
info := new(Info)
cfg.NameMapper = ini.AllCapsUnderscore
err = cfg.MapTo(info)
// ...
}
```
Same rules of name mapper apply to `ini.ReflectFromWithMapper` function.
#### Other Notes On Map/Reflect
Any embedded struct is treated as a section by default, and there is no automatic parent-child relations in map/reflect feature:
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child
}
type Config struct {
City string
Parent
}
```
Example configuration:
```ini
City = Boston
[Parent]
Name = Unknwon
[Child]
Age = 21
```
What if, yes, I'm paranoid, I want embedded struct to be in the same section. Well, all roads lead to Rome.
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child `ini:"Parent"`
}
type Config struct {
City string
Parent
}
```
Example configuration:
```ini
City = Boston
[Parent]
Name = Unknwon
Age = 21
```
## Getting Help
- [API Documentation](https://gowalker.org/gopkg.in/ini.v1)
- [File An Issue](https://github.com/go-ini/ini/issues/new)
## FAQs
### What does `BlockMode` field do?
By default, library lets you read and write values so we need a locker to make sure your data is safe. But in cases that you are very sure about only reading data through the library, you can set `cfg.BlockMode = false` to speed up read operations about **50-70%** faster.
### Why another INI library?
Many people are using my another INI library [goconfig](https://github.com/Unknwon/goconfig), so the reason for this one is I would like to make more Go style code. Also when you set `cfg.BlockMode = false`, this one is about **10-30%** faster.
To make those changes I have to confirm API broken, so it's safer to keep it in another place and start using `gopkg.in` to version my package at this time.(PS: shorter import path)
## License
This project is under Apache v2 License. See the [LICENSE](LICENSE) file for the full license text.

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本包提供了 Go 语言中读写 INI 文件的功能。
## 功能特性
- 支持覆盖加载多个数据源（`[]byte` 或文件）
- 支持递归读取键值
- 支持读取父子分区
- 支持读取自增键名
- 支持读取多行的键值
- 支持大量辅助方法
- 支持在读取时直接转换为 Go 语言类型
- 支持读取和 **写入** 分区和键的注释
- 轻松操作分区、键值和注释
- 在保存文件时分区和键值会保持原有的顺序
## 下载安装
使用一个特定版本：
go get gopkg.in/ini.v1
使用最新版：
go get github.com/go-ini/ini
如需更新请添加 `-u` 选项。
### 测试安装
如果您想要在自己的机器上运行测试，请使用 `-t` 标记：
go get -t gopkg.in/ini.v1
如需更新请添加 `-u` 选项。
## 开始使用
### 从数据源加载
一个 **数据源** 可以是 `[]byte` 类型的原始数据，或 `string` 类型的文件路径。您可以加载 **任意多个** 数据源。如果您传递其它类型的数据源，则会直接返回错误。
```go
cfg, err := ini.Load([]byte("raw data"), "filename")
```
或者从一个空白的文件开始：
```go
cfg := ini.Empty()
```
当您在一开始无法决定需要加载哪些数据源时，仍可以使用 **Append()** 在需要的时候加载它们。
```go
err := cfg.Append("other file", []byte("other raw data"))
```
当您想要加载一系列文件，但是不能够确定其中哪些文件是不存在的，可以通过调用函数 `LooseLoad` 来忽略它们（`Load` 会因为文件不存在而返回错误）：
```go
cfg, err := ini.LooseLoad("filename", "filename_404")
```
更牛逼的是，当那些之前不存在的文件在重新调用 `Reload` 方法的时候突然出现了，那么它们会被正常加载。
有时候分区和键的名称大小写混合非常烦人，这个时候就可以通过 `InsensitiveLoad` 将所有分区和键名在读取里强制转换为小写：
```go
cfg, err := ini.InsensitiveLoad("filename")
//...
// sec1 和 sec2 指向同一个分区对象
sec1, err := cfg.GetSection("Section")
sec2, err := cfg.GetSection("SecTIOn")
// key1 和 key2 指向同一个键对象
key1, err := cfg.GetKey("Key")
key2, err := cfg.GetKey("KeY")
```
如果您想要更加自定义的加载选项，可以使用 `LoadSources` 方法并参见 [`LoadOptions`](https://github.com/go-ini/ini/blob/v1.16.1/ini.go#L156)。
### 操作分区（Section）
获取指定分区：
```go
section, err := cfg.GetSection("section name")
```
如果您想要获取默认分区，则可以用空字符串代替分区名：
```go
section, err := cfg.GetSection("")
```
当您非常确定某个分区是存在的，可以使用以下简便方法：
```go
section := cfg.Section("")
```
如果不小心判断错了，要获取的分区其实是不存在的，那会发生什么呢？没事的，它会自动创建并返回一个对应的分区对象给您。
创建一个分区：
```go
err := cfg.NewSection("new section")
```
获取所有分区对象或名称：
```go
sections := cfg.Sections()
names := cfg.SectionStrings()
```
### 操作键（Key）
获取某个分区下的键：
```go
key, err := cfg.Section("").GetKey("key name")
```
和分区一样，您也可以直接获取键而忽略错误处理：
```go
key := cfg.Section("").Key("key name")
```
判断某个键是否存在：
```go
yes := cfg.Section("").HasKey("key name")
```
创建一个新的键：
```go
err := cfg.Section("").NewKey("name", "value")
```
获取分区下的所有键或键名：
```go
keys := cfg.Section("").Keys()
names := cfg.Section("").KeyStrings()
```
获取分区下的所有键值对的克隆：
```go
hash := cfg.Section("").KeysHash()
```
### 操作键值（Value）
获取一个类型为字符串（string）的值：
```go
val := cfg.Section("").Key("key name").String()
```
获取值的同时通过自定义函数进行处理验证：
```go
val := cfg.Section("").Key("key name").Validate(func(in string) string {
if len(in) == 0 {
return "default"
}
return in
})
```
如果您不需要任何对值的自动转变功能（例如递归读取），可以直接获取原值（这种方式性能最佳）：
```go
val := cfg.Section("").Key("key name").Value()
```
判断某个原值是否存在：
```go
yes := cfg.Section("").HasValue("test value")
```
获取其它类型的值：
```go
// 布尔值的规则：
// true 当值为：1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On
// false 当值为：0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off
v, err = cfg.Section("").Key("BOOL").Bool()
v, err = cfg.Section("").Key("FLOAT64").Float64()
v, err = cfg.Section("").Key("INT").Int()
v, err = cfg.Section("").Key("INT64").Int64()
v, err = cfg.Section("").Key("UINT").Uint()
v, err = cfg.Section("").Key("UINT64").Uint64()
v, err = cfg.Section("").Key("TIME").TimeFormat(time.RFC3339)
v, err = cfg.Section("").Key("TIME").Time() // RFC3339
v = cfg.Section("").Key("BOOL").MustBool()
v = cfg.Section("").Key("FLOAT64").MustFloat64()
v = cfg.Section("").Key("INT").MustInt()
v = cfg.Section("").Key("INT64").MustInt64()
v = cfg.Section("").Key("UINT").MustUint()
v = cfg.Section("").Key("UINT64").MustUint64()
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339)
v = cfg.Section("").Key("TIME").MustTime() // RFC3339
// 由 Must 开头的方法名允许接收一个相同类型的参数来作为默认值，
// 当键不存在或者转换失败时，则会直接返回该默认值。
// 但是，MustString 方法必须传递一个默认值。
v = cfg.Seciont("").Key("String").MustString("default")
v = cfg.Section("").Key("BOOL").MustBool(true)
v = cfg.Section("").Key("FLOAT64").MustFloat64(1.25)
v = cfg.Section("").Key("INT").MustInt(10)
v = cfg.Section("").Key("INT64").MustInt64(99)
v = cfg.Section("").Key("UINT").MustUint(3)
v = cfg.Section("").Key("UINT64").MustUint64(6)
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339, time.Now())
v = cfg.Section("").Key("TIME").MustTime(time.Now()) // RFC3339
```
如果我的值有好多行怎么办？
```ini
[advance]
ADDRESS = """404 road,
NotFound, State, 5000
Earth"""
```
嗯哼？小 case！
```go
cfg.Section("advance").Key("ADDRESS").String()
/* --- start ---
404 road,
NotFound, State, 5000
Earth
------ end --- */
```
赞爆了！那要是我属于一行的内容写不下想要写到第二行怎么办？
```ini
[advance]
two_lines = how about \
continuation lines?
lots_of_lines = 1 \
2 \
3 \
4
```
简直是小菜一碟！
```go
cfg.Section("advance").Key("two_lines").String() // how about continuation lines?
cfg.Section("advance").Key("lots_of_lines").String() // 1 2 3 4
```
可是我有时候觉得两行连在一起特别没劲，怎么才能不自动连接两行呢？
```go
cfg, err := ini.LoadSources(ini.LoadOptions{
IgnoreContinuation: true,
}, "filename")
```
哇靠给力啊！
需要注意的是，值两侧的单引号会被自动剔除：
```ini
foo = "some value" // foo: some value
bar = 'some value' // bar: some value
```
这就是全部了？哈哈，当然不是。
#### 操作键值的辅助方法
获取键值时设定候选值：
```go
v = cfg.Section("").Key("STRING").In("default", []string{"str", "arr", "types"})
v = cfg.Section("").Key("FLOAT64").InFloat64(1.1, []float64{1.25, 2.5, 3.75})
v = cfg.Section("").Key("INT").InInt(5, []int{10, 20, 30})
v = cfg.Section("").Key("INT64").InInt64(10, []int64{10, 20, 30})
v = cfg.Section("").Key("UINT").InUint(4, []int{3, 6, 9})
v = cfg.Section("").Key("UINT64").InUint64(8, []int64{3, 6, 9})
v = cfg.Section("").Key("TIME").InTimeFormat(time.RFC3339, time.Now(), []time.Time{time1, time2, time3})
v = cfg.Section("").Key("TIME").InTime(time.Now(), []time.Time{time1, time2, time3}) // RFC3339
```
如果获取到的值不是候选值的任意一个，则会返回默认值，而默认值不需要是候选值中的一员。
验证获取的值是否在指定范围内：
```go
vals = cfg.Section("").Key("FLOAT64").RangeFloat64(0.0, 1.1, 2.2)
vals = cfg.Section("").Key("INT").RangeInt(0, 10, 20)
vals = cfg.Section("").Key("INT64").RangeInt64(0, 10, 20)
vals = cfg.Section("").Key("UINT").RangeUint(0, 3, 9)
vals = cfg.Section("").Key("UINT64").RangeUint64(0, 3, 9)
vals = cfg.Section("").Key("TIME").RangeTimeFormat(time.RFC3339, time.Now(), minTime, maxTime)
vals = cfg.Section("").Key("TIME").RangeTime(time.Now(), minTime, maxTime) // RFC3339
```
##### 自动分割键值到切片（slice）
当存在无效输入时，使用零值代替：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [0.0 2.2 0.0 0.0]
vals = cfg.Section("").Key("STRINGS").Strings(",")
vals = cfg.Section("").Key("FLOAT64S").Float64s(",")
vals = cfg.Section("").Key("INTS").Ints(",")
vals = cfg.Section("").Key("INT64S").Int64s(",")
vals = cfg.Section("").Key("UINTS").Uints(",")
vals = cfg.Section("").Key("UINT64S").Uint64s(",")
vals = cfg.Section("").Key("TIMES").Times(",")
```
从结果切片中剔除无效输入：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [2.2]
vals = cfg.Section("").Key("FLOAT64S").ValidFloat64s(",")
vals = cfg.Section("").Key("INTS").ValidInts(",")
vals = cfg.Section("").Key("INT64S").ValidInt64s(",")
vals = cfg.Section("").Key("UINTS").ValidUints(",")
vals = cfg.Section("").Key("UINT64S").ValidUint64s(",")
vals = cfg.Section("").Key("TIMES").ValidTimes(",")
```
当存在无效输入时，直接返回错误：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> error
vals = cfg.Section("").Key("FLOAT64S").StrictFloat64s(",")
vals = cfg.Section("").Key("INTS").StrictInts(",")
vals = cfg.Section("").Key("INT64S").StrictInt64s(",")
vals = cfg.Section("").Key("UINTS").StrictUints(",")
vals = cfg.Section("").Key("UINT64S").StrictUint64s(",")
vals = cfg.Section("").Key("TIMES").StrictTimes(",")
```
### 保存配置
终于到了这个时刻，是时候保存一下配置了。
比较原始的做法是输出配置到某个文件：
```go
// ...
err = cfg.SaveTo("my.ini")
err = cfg.SaveToIndent("my.ini", "\t")
```
另一个比较高级的做法是写入到任何实现 `io.Writer` 接口的对象中：
```go
// ...
cfg.WriteTo(writer)
cfg.WriteToIndent(writer, "\t")
```
### 高级用法
#### 递归读取键值
在获取所有键值的过程中，特殊语法 `%(<name>)s` 会被应用，其中 `<name>` 可以是相同分区或者默认分区下的键名。字符串 `%(<name>)s` 会被相应的键值所替代，如果指定的键不存在，则会用空字符串替代。您可以最多使用 99 层的递归嵌套。
```ini
NAME = ini
[author]
NAME = Unknwon
GITHUB = https://github.com/%(NAME)s
[package]
FULL_NAME = github.com/go-ini/%(NAME)s
```
```go
cfg.Section("author").Key("GITHUB").String() // https://github.com/Unknwon
cfg.Section("package").Key("FULL_NAME").String() // github.com/go-ini/ini
```
#### 读取父子分区
您可以在分区名称中使用 `.` 来表示两个或多个分区之间的父子关系。如果某个键在子分区中不存在，则会去它的父分区中再次寻找，直到没有父分区为止。
```ini
NAME = ini
VERSION = v1
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
```
```go
cfg.Section("package.sub").Key("CLONE_URL").String() // https://gopkg.in/ini.v1
```
#### 获取上级父分区下的所有键名
```go
cfg.Section("package.sub").ParentKeys() // ["CLONE_URL"]
```
#### 读取自增键名
如果数据源中的键名为 `-`，则认为该键使用了自增键名的特殊语法。计数器从 1 开始，并且分区之间是相互独立的。
```ini
[features]
-: Support read/write comments of keys and sections
-: Support auto-increment of key names
-: Support load multiple files to overwrite key values
```
```go
cfg.Section("features").KeyStrings() // []{"#1", "#2", "#3"}
```
### 映射到结构
想要使用更加面向对象的方式玩转 INI 吗？好主意。
```ini
Name = Unknwon
age = 21
Male = true
Born = 1993-01-01T20:17:05Z
[Note]
Content = Hi is a good man!
Cities = HangZhou, Boston
```
```go
type Note struct {
Content string
Cities []string
}
type Person struct {
Name string
Age int `ini:"age"`
Male bool
Born time.Time
Note
Created time.Time `ini:"-"`
}
func main() {
cfg, err := ini.Load("path/to/ini")
// ...
p := new(Person)
err = cfg.MapTo(p)
// ...
// 一切竟可以如此的简单。
err = ini.MapTo(p, "path/to/ini")
// ...
// 嗯哼？只需要映射一个分区吗？
n := new(Note)
err = cfg.Section("Note").MapTo(n)
// ...
}
```
结构的字段怎么设置默认值呢？很简单，只要在映射之前对指定字段进行赋值就可以了。如果键未找到或者类型错误，该值不会发生改变。
```go
// ...
p := &Person{
Name: "Joe",
}
// ...
```
这样玩 INI 真的好酷啊！然而，如果不能还给我原来的配置文件，有什么卵用？
### 从结构反射
可是，我有说不能吗？
```go
type Embeded struct {
Dates []time.Time `delim:"|"`
Places []string `ini:"places,omitempty"`
None []int `ini:",omitempty"`
}
type Author struct {
Name string `ini:"NAME"`
Male bool
Age int
GPA float64
NeverMind string `ini:"-"`
*Embeded
}
func main() {
a := &Author{"Unknwon", true, 21, 2.8, "",
&Embeded{
[]time.Time{time.Now(), time.Now()},
[]string{"HangZhou", "Boston"},
[]int{},
}}
cfg := ini.Empty()
err = ini.ReflectFrom(cfg, a)
// ...
}
```
瞧瞧，奇迹发生了。
```ini
NAME = Unknwon
Male = true
Age = 21
GPA = 2.8
[Embeded]
Dates = 2015-08-07T22:14:22+08:00|2015-08-07T22:14:22+08:00
places = HangZhou,Boston
```
#### 名称映射器（Name Mapper）
为了节省您的时间并简化代码，本库支持类型为 [`NameMapper`](https://gowalker.org/gopkg.in/ini.v1#NameMapper) 的名称映射器，该映射器负责结构字段名与分区名和键名之间的映射。
目前有 2 款内置的映射器：
- `AllCapsUnderscore`：该映射器将字段名转换至格式 `ALL_CAPS_UNDERSCORE` 后再去匹配分区名和键名。
- `TitleUnderscore`：该映射器将字段名转换至格式 `title_underscore` 后再去匹配分区名和键名。
使用方法：
```go
type Info struct{
PackageName string
}
func main() {
err = ini.MapToWithMapper(&Info{}, ini.TitleUnderscore, []byte("package_name=ini"))
// ...
cfg, err := ini.Load([]byte("PACKAGE_NAME=ini"))
// ...
info := new(Info)
cfg.NameMapper = ini.AllCapsUnderscore
err = cfg.MapTo(info)
// ...
}
```
使用函数 `ini.ReflectFromWithMapper` 时也可应用相同的规则。
#### 映射/反射的其它说明
任何嵌入的结构都会被默认认作一个不同的分区，并且不会自动产生所谓的父子分区关联：
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child
}
type Config struct {
City string
Parent
}
```
示例配置文件：
```ini
City = Boston
[Parent]
Name = Unknwon
[Child]
Age = 21
```
很好，但是，我就是要嵌入结构也在同一个分区。好吧，你爹是李刚！
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child `ini:"Parent"`
}
type Config struct {
City string
Parent
}
```
示例配置文件：
```ini
City = Boston
[Parent]
Name = Unknwon
Age = 21
```
## 获取帮助
- [API 文档](https://gowalker.org/gopkg.in/ini.v1)
- [创建工单](https://github.com/go-ini/ini/issues/new)
## 常见问题
### 字段 `BlockMode` 是什么？
默认情况下，本库会在您进行读写操作时采用锁机制来确保数据时间。但在某些情况下，您非常确定只进行读操作。此时，您可以通过设置 `cfg.BlockMode = false` 来将读操作提升大约 **50-70%** 的性能。
### 为什么要写另一个 INI 解析库？
许多人都在使用我的 [goconfig](https://github.com/Unknwon/goconfig) 来完成对 INI 文件的操作，但我希望使用更加 Go 风格的代码。并且当您设置 `cfg.BlockMode = false` 时，会有大约 **10-30%** 的性能提升。
为了做出这些改变，我必须对 API 进行破坏，所以新开一个仓库是最安全的做法。除此之外，本库直接使用 `gopkg.in` 来进行版本化发布。（其实真相是导入路径更短了）

493
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// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
// Package ini provides INI file read and write functionality in Go.
package ini
import (
"bytes"
"errors"
"fmt"
"io"
"os"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
"time"
)
const (
// Name for default section. You can use this constant or the string literal.
// In most of cases, an empty string is all you need to access the section.
DEFAULT_SECTION = "DEFAULT"
// Maximum allowed depth when recursively substituing variable names.
_DEPTH_VALUES = 99
_VERSION = "1.19.1"
)
// Version returns current package version literal.
func Version() string {
return _VERSION
}
var (
// Delimiter to determine or compose a new line.
// This variable will be changed to "\r\n" automatically on Windows
// at package init time.
LineBreak = "\n"
// Variable regexp pattern: %(variable)s
varPattern = regexp.MustCompile(`%\(([^\)]+)\)s`)
// Indicate whether to align "=" sign with spaces to produce pretty output
// or reduce all possible spaces for compact format.
PrettyFormat = true
// Explicitly write DEFAULT section header
DefaultHeader = false
)
func init() {
if runtime.GOOS == "windows" {
LineBreak = "\r\n"
}
}
func inSlice(str string, s []string) bool {
for _, v := range s {
if str == v {
return true
}
}
return false
}
// dataSource is an interface that returns object which can be read and closed.
type dataSource interface {
ReadCloser() (io.ReadCloser, error)
}
// sourceFile represents an object that contains content on the local file system.
type sourceFile struct {
name string
}
func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
return os.Open(s.name)
}
type bytesReadCloser struct {
reader io.Reader
}
func (rc *bytesReadCloser) Read(p []byte) (n int, err error) {
return rc.reader.Read(p)
}
func (rc *bytesReadCloser) Close() error {
return nil
}
// sourceData represents an object that contains content in memory.
type sourceData struct {
data []byte
}
func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
return &bytesReadCloser{bytes.NewReader(s.data)}, nil
}
// File represents a combination of a or more INI file(s) in memory.
type File struct {
// Should make things safe, but sometimes doesn't matter.
BlockMode bool
// Make sure data is safe in multiple goroutines.
lock sync.RWMutex
// Allow combination of multiple data sources.
dataSources []dataSource
// Actual data is stored here.
sections map[string]*Section
// To keep data in order.
sectionList []string
options LoadOptions
NameMapper
}
// newFile initializes File object with given data sources.
func newFile(dataSources []dataSource, opts LoadOptions) *File {
return &File{
BlockMode: true,
dataSources: dataSources,
sections: make(map[string]*Section),
sectionList: make([]string, 0, 10),
options: opts,
}
}
func parseDataSource(source interface{}) (dataSource, error) {
switch s := source.(type) {
case string:
return sourceFile{s}, nil
case []byte:
return &sourceData{s}, nil
default:
return nil, fmt.Errorf("error parsing data source: unknown type '%s'", s)
}
}
type LoadOptions struct {
// Loose indicates whether the parser should ignore nonexistent files or return error.
Loose bool
// Insensitive indicates whether the parser forces all section and key names to lowercase.
Insensitive bool
// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
IgnoreContinuation bool
}
func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {
sources := make([]dataSource, len(others)+1)
sources[0], err = parseDataSource(source)
if err != nil {
return nil, err
}
for i := range others {
sources[i+1], err = parseDataSource(others[i])
if err != nil {
return nil, err
}
}
f := newFile(sources, opts)
if err = f.Reload(); err != nil {
return nil, err
}
return f, nil
}
// Load loads and parses from INI data sources.
// Arguments can be mixed of file name with string type, or raw data in []byte.
// It will return error if list contains nonexistent files.
func Load(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{}, source, others...)
}
// LooseLoad has exactly same functionality as Load function
// except it ignores nonexistent files instead of returning error.
func LooseLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Loose: true}, source, others...)
}
// InsensitiveLoad has exactly same functionality as Load function
// except it forces all section and key names to be lowercased.
func InsensitiveLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Insensitive: true}, source, others...)
}
// Empty returns an empty file object.
func Empty() *File {
// Ignore error here, we sure our data is good.
f, _ := Load([]byte(""))
return f
}
// NewSection creates a new section.
func (f *File) NewSection(name string) (*Section, error) {
if len(name) == 0 {
return nil, errors.New("error creating new section: empty section name")
} else if f.options.Insensitive && name != DEFAULT_SECTION {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if inSlice(name, f.sectionList) {
return f.sections[name], nil
}
f.sectionList = append(f.sectionList, name)
f.sections[name] = newSection(f, name)
return f.sections[name], nil
}
// NewSections creates a list of sections.
func (f *File) NewSections(names ...string) (err error) {
for _, name := range names {
if _, err = f.NewSection(name); err != nil {
return err
}
}
return nil
}
// GetSection returns section by given name.
func (f *File) GetSection(name string) (*Section, error) {
if len(name) == 0 {
name = DEFAULT_SECTION
} else if f.options.Insensitive {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.RLock()
defer f.lock.RUnlock()
}
sec := f.sections[name]
if sec == nil {
return nil, fmt.Errorf("section '%s' does not exist", name)
}
return sec, nil
}
// Section assumes named section exists and returns a zero-value when not.
func (f *File) Section(name string) *Section {
sec, err := f.GetSection(name)
if err != nil {
// Note: It's OK here because the only possible error is empty section name,
// but if it's empty, this piece of code won't be executed.
sec, _ = f.NewSection(name)
return sec
}
return sec
}
// Section returns list of Section.
func (f *File) Sections() []*Section {
sections := make([]*Section, len(f.sectionList))
for i := range f.sectionList {
sections[i] = f.Section(f.sectionList[i])
}
return sections
}
// SectionStrings returns list of section names.
func (f *File) SectionStrings() []string {
list := make([]string, len(f.sectionList))
copy(list, f.sectionList)
return list
}
// DeleteSection deletes a section.
func (f *File) DeleteSection(name string) {
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if len(name) == 0 {
name = DEFAULT_SECTION
}
for i, s := range f.sectionList {
if s == name {
f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
delete(f.sections, name)
return
}
}
}
func (f *File) reload(s dataSource) error {
r, err := s.ReadCloser()
if err != nil {
return err
}
defer r.Close()
return f.parse(r)
}
// Reload reloads and parses all data sources.
func (f *File) Reload() (err error) {
for _, s := range f.dataSources {
if err = f.reload(s); err != nil {
// In loose mode, we create an empty default section for nonexistent files.
if os.IsNotExist(err) && f.options.Loose {
f.parse(bytes.NewBuffer(nil))
continue
}
return err
}
}
return nil
}
// Append appends one or more data sources and reloads automatically.
func (f *File) Append(source interface{}, others ...interface{}) error {
ds, err := parseDataSource(source)
if err != nil {
return err
}
f.dataSources = append(f.dataSources, ds)
for _, s := range others {
ds, err = parseDataSource(s)
if err != nil {
return err
}
f.dataSources = append(f.dataSources, ds)
}
return f.Reload()
}
// WriteToIndent writes content into io.Writer with given indention.
// If PrettyFormat has been set to be true,
// it will align "=" sign with spaces under each section.
func (f *File) WriteToIndent(w io.Writer, indent string) (n int64, err error) {
equalSign := "="
if PrettyFormat {
equalSign = " = "
}
// Use buffer to make sure target is safe until finish encoding.
buf := bytes.NewBuffer(nil)
for i, sname := range f.sectionList {
sec := f.Section(sname)
if len(sec.Comment) > 0 {
if sec.Comment[0] != '#' && sec.Comment[0] != ';' {
sec.Comment = "; " + sec.Comment
}
if _, err = buf.WriteString(sec.Comment + LineBreak); err != nil {
return 0, err
}
}
if i > 0 || DefaultHeader {
if _, err = buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
return 0, err
}
} else {
// Write nothing if default section is empty
if len(sec.keyList) == 0 {
continue
}
}
// Count and generate alignment length and buffer spaces using the
// longest key. Keys may be modifed if they contain certain characters so
// we need to take that into account in our calculation.
alignLength := 0
if PrettyFormat {
for _, kname := range sec.keyList {
keyLength := len(kname)
// First case will surround key by ` and second by """
if strings.ContainsAny(kname, "\"=:") {
keyLength += 2
} else if strings.Contains(kname, "`") {
keyLength += 6
}
if keyLength > alignLength {
alignLength = keyLength
}
}
}
alignSpaces := bytes.Repeat([]byte(" "), alignLength)
for _, kname := range sec.keyList {
key := sec.Key(kname)
if len(key.Comment) > 0 {
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
if key.Comment[0] != '#' && key.Comment[0] != ';' {
key.Comment = "; " + key.Comment
}
if _, err = buf.WriteString(key.Comment + LineBreak); err != nil {
return 0, err
}
}
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
switch {
case key.isAutoIncr:
kname = "-"
case strings.ContainsAny(kname, "\"=:"):
kname = "`" + kname + "`"
case strings.Contains(kname, "`"):
kname = `"""` + kname + `"""`
}
if _, err = buf.WriteString(kname); err != nil {
return 0, err
}
// Write out alignment spaces before "=" sign
if PrettyFormat {
buf.Write(alignSpaces[:alignLength-len(kname)])
}
val := key.value
// In case key value contains "\n", "`", "\"", "#" or ";"
if strings.ContainsAny(val, "\n`") {
val = `"""` + val + `"""`
} else if strings.ContainsAny(val, "#;") {
val = "`" + val + "`"
}
if _, err = buf.WriteString(equalSign + val + LineBreak); err != nil {
return 0, err
}
}
// Put a line between sections
if _, err = buf.WriteString(LineBreak); err != nil {
return 0, err
}
}
return buf.WriteTo(w)
}
// WriteTo writes file content into io.Writer.
func (f *File) WriteTo(w io.Writer) (int64, error) {
return f.WriteToIndent(w, "")
}
// SaveToIndent writes content to file system with given value indention.
func (f *File) SaveToIndent(filename, indent string) error {
// Note: Because we are truncating with os.Create,
// so it's safer to save to a temporary file location and rename afte done.
tmpPath := filename + "." + strconv.Itoa(time.Now().Nanosecond()) + ".tmp"
defer os.Remove(tmpPath)
fw, err := os.Create(tmpPath)
if err != nil {
return err
}
if _, err = f.WriteToIndent(fw, indent); err != nil {
fw.Close()
return err
}
fw.Close()
// Remove old file and rename the new one.
os.Remove(filename)
return os.Rename(tmpPath, filename)
}
// SaveTo writes content to file system.
func (f *File) SaveTo(filename string) error {
return f.SaveToIndent(filename, "")
}

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// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"fmt"
"strconv"
"strings"
"time"
)
// Key represents a key under a section.
type Key struct {
s *Section
Comment string
name string
value string
isAutoIncr bool
}
// Name returns name of key.
func (k *Key) Name() string {
return k.name
}
// Value returns raw value of key for performance purpose.
func (k *Key) Value() string {
return k.value
}
// String returns string representation of value.
func (k *Key) String() string {
val := k.value
if strings.Index(val, "%") == -1 {
return val
}
for i := 0; i < _DEPTH_VALUES; i++ {
vr := varPattern.FindString(val)
if len(vr) == 0 {
break
}
// Take off leading '%(' and trailing ')s'.
noption := strings.TrimLeft(vr, "%(")
noption = strings.TrimRight(noption, ")s")
// Search in the same section.
nk, err := k.s.GetKey(noption)
if err != nil {
// Search again in default section.
nk, _ = k.s.f.Section("").GetKey(noption)
}
// Substitute by new value and take off leading '%(' and trailing ')s'.
val = strings.Replace(val, vr, nk.value, -1)
}
return val
}
// Validate accepts a validate function which can
// return modifed result as key value.
func (k *Key) Validate(fn func(string) string) string {
return fn(k.String())
}
// parseBool returns the boolean value represented by the string.
//
// It accepts 1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On,
// 0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off.
// Any other value returns an error.
func parseBool(str string) (value bool, err error) {
switch str {
case "1", "t", "T", "true", "TRUE", "True", "YES", "yes", "Yes", "y", "ON", "on", "On":
return true, nil
case "0", "f", "F", "false", "FALSE", "False", "NO", "no", "No", "n", "OFF", "off", "Off":
return false, nil
}
return false, fmt.Errorf("parsing \"%s\": invalid syntax", str)
}
// Bool returns bool type value.
func (k *Key) Bool() (bool, error) {
return parseBool(k.String())
}
// Float64 returns float64 type value.
func (k *Key) Float64() (float64, error) {
return strconv.ParseFloat(k.String(), 64)
}
// Int returns int type value.
func (k *Key) Int() (int, error) {
return strconv.Atoi(k.String())
}
// Int64 returns int64 type value.
func (k *Key) Int64() (int64, error) {
return strconv.ParseInt(k.String(), 10, 64)
}
// Uint returns uint type valued.
func (k *Key) Uint() (uint, error) {
u, e := strconv.ParseUint(k.String(), 10, 64)
return uint(u), e
}
// Uint64 returns uint64 type value.
func (k *Key) Uint64() (uint64, error) {
return strconv.ParseUint(k.String(), 10, 64)
}
// Duration returns time.Duration type value.
func (k *Key) Duration() (time.Duration, error) {
return time.ParseDuration(k.String())
}
// TimeFormat parses with given format and returns time.Time type value.
func (k *Key) TimeFormat(format string) (time.Time, error) {
return time.Parse(format, k.String())
}
// Time parses with RFC3339 format and returns time.Time type value.
func (k *Key) Time() (time.Time, error) {
return k.TimeFormat(time.RFC3339)
}
// MustString returns default value if key value is empty.
func (k *Key) MustString(defaultVal string) string {
val := k.String()
if len(val) == 0 {
k.value = defaultVal
return defaultVal
}
return val
}
// MustBool always returns value without error,
// it returns false if error occurs.
func (k *Key) MustBool(defaultVal ...bool) bool {
val, err := k.Bool()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatBool(defaultVal[0])
return defaultVal[0]
}
return val
}
// MustFloat64 always returns value without error,
// it returns 0.0 if error occurs.
func (k *Key) MustFloat64(defaultVal ...float64) float64 {
val, err := k.Float64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatFloat(defaultVal[0], 'f', -1, 64)
return defaultVal[0]
}
return val
}
// MustInt always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt(defaultVal ...int) int {
val, err := k.Int()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(int64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustInt64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt64(defaultVal ...int64) int64 {
val, err := k.Int64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustUint always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint(defaultVal ...uint) uint {
val, err := k.Uint()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(uint64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustUint64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint64(defaultVal ...uint64) uint64 {
val, err := k.Uint64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustDuration always returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustDuration(defaultVal ...time.Duration) time.Duration {
val, err := k.Duration()
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].String()
return defaultVal[0]
}
return val
}
// MustTimeFormat always parses with given format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTimeFormat(format string, defaultVal ...time.Time) time.Time {
val, err := k.TimeFormat(format)
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].Format(format)
return defaultVal[0]
}
return val
}
// MustTime always parses with RFC3339 format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTime(defaultVal ...time.Time) time.Time {
return k.MustTimeFormat(time.RFC3339, defaultVal...)
}
// In always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) In(defaultVal string, candidates []string) string {
val := k.String()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InFloat64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InFloat64(defaultVal float64, candidates []float64) float64 {
val := k.MustFloat64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt(defaultVal int, candidates []int) int {
val := k.MustInt()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt64(defaultVal int64, candidates []int64) int64 {
val := k.MustInt64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint(defaultVal uint, candidates []uint) uint {
val := k.MustUint()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint64(defaultVal uint64, candidates []uint64) uint64 {
val := k.MustUint64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTimeFormat always parses with given format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTimeFormat(format string, defaultVal time.Time, candidates []time.Time) time.Time {
val := k.MustTimeFormat(format)
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTime always parses with RFC3339 format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTime(defaultVal time.Time, candidates []time.Time) time.Time {
return k.InTimeFormat(time.RFC3339, defaultVal, candidates)
}
// RangeFloat64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeFloat64(defaultVal, min, max float64) float64 {
val := k.MustFloat64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt(defaultVal, min, max int) int {
val := k.MustInt()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt64(defaultVal, min, max int64) int64 {
val := k.MustInt64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeTimeFormat checks if value with given format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTimeFormat(format string, defaultVal, min, max time.Time) time.Time {
val := k.MustTimeFormat(format)
if val.Unix() < min.Unix() || val.Unix() > max.Unix() {
return defaultVal
}
return val
}
// RangeTime checks if value with RFC3339 format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTime(defaultVal, min, max time.Time) time.Time {
return k.RangeTimeFormat(time.RFC3339, defaultVal, min, max)
}
// Strings returns list of string divided by given delimiter.
func (k *Key) Strings(delim string) []string {
str := k.String()
if len(str) == 0 {
return []string{}
}
vals := strings.Split(str, delim)
for i := range vals {
vals[i] = strings.TrimSpace(vals[i])
}
return vals
}
// Float64s returns list of float64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Float64s(delim string) []float64 {
vals, _ := k.getFloat64s(delim, true, false)
return vals
}
// Ints returns list of int divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Ints(delim string) []int {
vals, _ := k.getInts(delim, true, false)
return vals
}
// Int64s returns list of int64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Int64s(delim string) []int64 {
vals, _ := k.getInt64s(delim, true, false)
return vals
}
// Uints returns list of uint divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uints(delim string) []uint {
vals, _ := k.getUints(delim, true, false)
return vals
}
// Uint64s returns list of uint64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uint64s(delim string) []uint64 {
vals, _ := k.getUint64s(delim, true, false)
return vals
}
// TimesFormat parses with given format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) TimesFormat(format, delim string) []time.Time {
vals, _ := k.getTimesFormat(format, delim, true, false)
return vals
}
// Times parses with RFC3339 format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) Times(delim string) []time.Time {
return k.TimesFormat(time.RFC3339, delim)
}
// ValidFloat64s returns list of float64 divided by given delimiter. If some value is not float, then
// it will not be included to result list.
func (k *Key) ValidFloat64s(delim string) []float64 {
vals, _ := k.getFloat64s(delim, false, false)
return vals
}
// ValidInts returns list of int divided by given delimiter. If some value is not integer, then it will
// not be included to result list.
func (k *Key) ValidInts(delim string) []int {
vals, _ := k.getInts(delim, false, false)
return vals
}
// ValidInt64s returns list of int64 divided by given delimiter. If some value is not 64-bit integer,
// then it will not be included to result list.
func (k *Key) ValidInt64s(delim string) []int64 {
vals, _ := k.getInt64s(delim, false, false)
return vals
}
// ValidUints returns list of uint divided by given delimiter. If some value is not unsigned integer,
// then it will not be included to result list.
func (k *Key) ValidUints(delim string) []uint {
vals, _ := k.getUints(delim, false, false)
return vals
}
// ValidUint64s returns list of uint64 divided by given delimiter. If some value is not 64-bit unsigned
// integer, then it will not be included to result list.
func (k *Key) ValidUint64s(delim string) []uint64 {
vals, _ := k.getUint64s(delim, false, false)
return vals
}
// ValidTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimesFormat(format, delim string) []time.Time {
vals, _ := k.getTimesFormat(format, delim, false, false)
return vals
}
// ValidTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimes(delim string) []time.Time {
return k.ValidTimesFormat(time.RFC3339, delim)
}
// StrictFloat64s returns list of float64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictFloat64s(delim string) ([]float64, error) {
return k.getFloat64s(delim, false, true)
}
// StrictInts returns list of int divided by given delimiter or error on first invalid input.
func (k *Key) StrictInts(delim string) ([]int, error) {
return k.getInts(delim, false, true)
}
// StrictInt64s returns list of int64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictInt64s(delim string) ([]int64, error) {
return k.getInt64s(delim, false, true)
}
// StrictUints returns list of uint divided by given delimiter or error on first invalid input.
func (k *Key) StrictUints(delim string) ([]uint, error) {
return k.getUints(delim, false, true)
}
// StrictUint64s returns list of uint64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictUint64s(delim string) ([]uint64, error) {
return k.getUint64s(delim, false, true)
}
// StrictTimesFormat parses with given format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimesFormat(format, delim string) ([]time.Time, error) {
return k.getTimesFormat(format, delim, false, true)
}
// StrictTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimes(delim string) ([]time.Time, error) {
return k.StrictTimesFormat(time.RFC3339, delim)
}
// getFloat64s returns list of float64 divided by given delimiter.
func (k *Key) getFloat64s(delim string, addInvalid, returnOnInvalid bool) ([]float64, error) {
strs := k.Strings(delim)
vals := make([]float64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseFloat(str, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getInts returns list of int divided by given delimiter.
func (k *Key) getInts(delim string, addInvalid, returnOnInvalid bool) ([]int, error) {
strs := k.Strings(delim)
vals := make([]int, 0, len(strs))
for _, str := range strs {
val, err := strconv.Atoi(str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getInt64s returns list of int64 divided by given delimiter.
func (k *Key) getInt64s(delim string, addInvalid, returnOnInvalid bool) ([]int64, error) {
strs := k.Strings(delim)
vals := make([]int64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseInt(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getUints returns list of uint divided by given delimiter.
func (k *Key) getUints(delim string, addInvalid, returnOnInvalid bool) ([]uint, error) {
strs := k.Strings(delim)
vals := make([]uint, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 0)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, uint(val))
}
}
return vals, nil
}
// getUint64s returns list of uint64 divided by given delimiter.
func (k *Key) getUint64s(delim string, addInvalid, returnOnInvalid bool) ([]uint64, error) {
strs := k.Strings(delim)
vals := make([]uint64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// getTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
func (k *Key) getTimesFormat(format, delim string, addInvalid, returnOnInvalid bool) ([]time.Time, error) {
strs := k.Strings(delim)
vals := make([]time.Time, 0, len(strs))
for _, str := range strs {
val, err := time.Parse(format, str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// SetValue changes key value.
func (k *Key) SetValue(v string) {
if k.s.f.BlockMode {
k.s.f.lock.Lock()
defer k.s.f.lock.Unlock()
}
k.value = v
k.s.keysHash[k.name] = v
}

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vendor/github.com/go-ini/ini/parser.go сгенерированный поставляемый Normal file
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@ -0,0 +1,314 @@
// Copyright 2015 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"unicode"
)
type tokenType int
const (
_TOKEN_INVALID tokenType = iota
_TOKEN_COMMENT
_TOKEN_SECTION
_TOKEN_KEY
)
type parser struct {
buf *bufio.Reader
isEOF bool
count int
comment *bytes.Buffer
}
func newParser(r io.Reader) *parser {
return &parser{
buf: bufio.NewReader(r),
count: 1,
comment: &bytes.Buffer{},
}
}
// BOM handles header of BOM-UTF8 format.
// http://en.wikipedia.org/wiki/Byte_order_mark#Representations_of_byte_order_marks_by_encoding
func (p *parser) BOM() error {
mask, err := p.buf.Peek(3)
if err != nil && err != io.EOF {
return err
} else if len(mask) < 3 {
return nil
} else if mask[0] == 239 && mask[1] == 187 && mask[2] == 191 {
p.buf.Read(mask)
}
return nil
}
func (p *parser) readUntil(delim byte) ([]byte, error) {
data, err := p.buf.ReadBytes(delim)
if err != nil {
if err == io.EOF {
p.isEOF = true
} else {
return nil, err
}
}
return data, nil
}
func cleanComment(in []byte) ([]byte, bool) {
i := bytes.IndexAny(in, "#;")
if i == -1 {
return nil, false
}
return in[i:], true
}
func readKeyName(in []byte) (string, int, error) {
line := string(in)
// Check if key name surrounded by quotes.
var keyQuote string
if line[0] == '"' {
if len(line) > 6 && string(line[0:3]) == `"""` {
keyQuote = `"""`
} else {
keyQuote = `"`
}
} else if line[0] == '`' {
keyQuote = "`"
}
// Get out key name
endIdx := -1
if len(keyQuote) > 0 {
startIdx := len(keyQuote)
// FIXME: fail case -> """"""name"""=value
pos := strings.Index(line[startIdx:], keyQuote)
if pos == -1 {
return "", -1, fmt.Errorf("missing closing key quote: %s", line)
}
pos += startIdx
// Find key-value delimiter
i := strings.IndexAny(line[pos+startIdx:], "=:")
if i < 0 {
return "", -1, fmt.Errorf("key-value delimiter not found: %s", line)
}
endIdx = pos + i
return strings.TrimSpace(line[startIdx:pos]), endIdx + startIdx + 1, nil
}
endIdx = strings.IndexAny(line, "=:")
if endIdx < 0 {
return "", -1, fmt.Errorf("key-value delimiter not found: %s", line)
}
return strings.TrimSpace(line[0:endIdx]), endIdx + 1, nil
}
func (p *parser) readMultilines(line, val, valQuote string) (string, error) {
for {
data, err := p.readUntil('\n')
if err != nil {
return "", err
}
next := string(data)
pos := strings.LastIndex(next, valQuote)
if pos > -1 {
val += next[:pos]
comment, has := cleanComment([]byte(next[pos:]))
if has {
p.comment.Write(bytes.TrimSpace(comment))
}
break
}
val += next
if p.isEOF {
return "", fmt.Errorf("missing closing key quote from '%s' to '%s'", line, next)
}
}
return val, nil
}
func (p *parser) readContinuationLines(val string) (string, error) {
for {
data, err := p.readUntil('\n')
if err != nil {
return "", err
}
next := strings.TrimSpace(string(data))
if len(next) == 0 {
break
}
val += next
if val[len(val)-1] != '\\' {
break
}
val = val[:len(val)-1]
}
return val, nil
}
// hasSurroundedQuote check if and only if the first and last characters
// are quotes \" or \'.
// It returns false if any other parts also contain same kind of quotes.
func hasSurroundedQuote(in string, quote byte) bool {
return len(in) > 2 && in[0] == quote && in[len(in)-1] == quote &&
strings.IndexByte(in[1:], quote) == len(in)-2
}
func (p *parser) readValue(in []byte, ignoreContinuation bool) (string, error) {
line := strings.TrimLeftFunc(string(in), unicode.IsSpace)
if len(line) == 0 {
return "", nil
}
var valQuote string
if len(line) > 3 && string(line[0:3]) == `"""` {
valQuote = `"""`
} else if line[0] == '`' {
valQuote = "`"
}
if len(valQuote) > 0 {
startIdx := len(valQuote)
pos := strings.LastIndex(line[startIdx:], valQuote)
// Check for multi-line value
if pos == -1 {
return p.readMultilines(line, line[startIdx:], valQuote)
}
return line[startIdx : pos+startIdx], nil
}
// Won't be able to reach here if value only contains whitespace.
line = strings.TrimSpace(line)
// Check continuation lines when desired.
if !ignoreContinuation && line[len(line)-1] == '\\' {
return p.readContinuationLines(line[:len(line)-1])
}
i := strings.IndexAny(line, "#;")
if i > -1 {
p.comment.WriteString(line[i:])
line = strings.TrimSpace(line[:i])
}
// Trim single quotes
if hasSurroundedQuote(line, '\'') ||
hasSurroundedQuote(line, '"') {
line = line[1 : len(line)-1]
}
return line, nil
}
// parse parses data through an io.Reader.
func (f *File) parse(reader io.Reader) (err error) {
p := newParser(reader)
if err = p.BOM(); err != nil {
return fmt.Errorf("BOM: %v", err)
}
// Ignore error because default section name is never empty string.
section, _ := f.NewSection(DEFAULT_SECTION)
var line []byte
for !p.isEOF {
line, err = p.readUntil('\n')
if err != nil {
return err
}
line = bytes.TrimLeftFunc(line, unicode.IsSpace)
if len(line) == 0 {
continue
}
// Comments
if line[0] == '#' || line[0] == ';' {
// Note: we do not care ending line break,
// it is needed for adding second line,
// so just clean it once at the end when set to value.
p.comment.Write(line)
continue
}
// Section
if line[0] == '[' {
// Read to the next ']' (TODO: support quoted strings)
// TODO(unknwon): use LastIndexByte when stop supporting Go1.4
closeIdx := bytes.LastIndex(line, []byte("]"))
if closeIdx == -1 {
return fmt.Errorf("unclosed section: %s", line)
}
name := string(line[1:closeIdx])
section, err = f.NewSection(name)
if err != nil {
return err
}
comment, has := cleanComment(line[closeIdx+1:])
if has {
p.comment.Write(comment)
}
section.Comment = strings.TrimSpace(p.comment.String())
// Reset aotu-counter and comments
p.comment.Reset()
p.count = 1
continue
}
kname, offset, err := readKeyName(line)
if err != nil {
return err
}
// Auto increment.
isAutoIncr := false
if kname == "-" {
isAutoIncr = true
kname = "#" + strconv.Itoa(p.count)
p.count++
}
key, err := section.NewKey(kname, "")
if err != nil {
return err
}
key.isAutoIncr = isAutoIncr
value, err := p.readValue(line[offset:], f.options.IgnoreContinuation)
if err != nil {
return err
}
key.SetValue(value)
key.Comment = strings.TrimSpace(p.comment.String())
p.comment.Reset()
}
return nil
}

202
vendor/github.com/go-ini/ini/section.go сгенерированный поставляемый Normal file
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// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"errors"
"fmt"
"strings"
)
// Section represents a config section.
type Section struct {
f *File
Comment string
name string
keys map[string]*Key
keyList []string
keysHash map[string]string
}
func newSection(f *File, name string) *Section {
return &Section{f, "", name, make(map[string]*Key), make([]string, 0, 10), make(map[string]string)}
}
// Name returns name of Section.
func (s *Section) Name() string {
return s.name
}
// NewKey creates a new key to given section.
func (s *Section) NewKey(name, val string) (*Key, error) {
if len(name) == 0 {
return nil, errors.New("error creating new key: empty key name")
} else if s.f.options.Insensitive {
name = strings.ToLower(name)
}
if s.f.BlockMode {
s.f.lock.Lock()
defer s.f.lock.Unlock()
}
if inSlice(name, s.keyList) {
s.keys[name].value = val
return s.keys[name], nil
}
s.keyList = append(s.keyList, name)
s.keys[name] = &Key{s, "", name, val, false}
s.keysHash[name] = val
return s.keys[name], nil
}
// GetKey returns key in section by given name.
func (s *Section) GetKey(name string) (*Key, error) {
// FIXME: change to section level lock?
if s.f.BlockMode {
s.f.lock.RLock()
}
if s.f.options.Insensitive {
name = strings.ToLower(name)
}
key := s.keys[name]
if s.f.BlockMode {
s.f.lock.RUnlock()
}
if key == nil {
// Check if it is a child-section.
sname := s.name
for {
if i := strings.LastIndex(sname, "."); i > -1 {
sname = sname[:i]
sec, err := s.f.GetSection(sname)
if err != nil {
continue
}
return sec.GetKey(name)
} else {
break
}
}
return nil, fmt.Errorf("error when getting key of section '%s': key '%s' not exists", s.name, name)
}
return key, nil
}
// HasKey returns true if section contains a key with given name.
func (s *Section) HasKey(name string) bool {
key, _ := s.GetKey(name)
return key != nil
}
// Haskey is a backwards-compatible name for HasKey.
func (s *Section) Haskey(name string) bool {
return s.HasKey(name)
}
// HasValue returns true if section contains given raw value.
func (s *Section) HasValue(value string) bool {
if s.f.BlockMode {
s.f.lock.RLock()
defer s.f.lock.RUnlock()
}
for _, k := range s.keys {
if value == k.value {
return true
}
}
return false
}
// Key assumes named Key exists in section and returns a zero-value when not.
func (s *Section) Key(name string) *Key {
key, err := s.GetKey(name)
if err != nil {
// It's OK here because the only possible error is empty key name,
// but if it's empty, this piece of code won't be executed.
key, _ = s.NewKey(name, "")
return key
}
return key
}
// Keys returns list of keys of section.
func (s *Section) Keys() []*Key {
keys := make([]*Key, len(s.keyList))
for i := range s.keyList {
keys[i] = s.Key(s.keyList[i])
}
return keys
}
// ParentKeys returns list of keys of parent section.
func (s *Section) ParentKeys() []*Key {
var parentKeys []*Key
sname := s.name
for {
if i := strings.LastIndex(sname, "."); i > -1 {
sname = sname[:i]
sec, err := s.f.GetSection(sname)
if err != nil {
continue
}
parentKeys = append(parentKeys, sec.Keys()...)
} else {
break
}
}
return parentKeys
}
// KeyStrings returns list of key names of section.
func (s *Section) KeyStrings() []string {
list := make([]string, len(s.keyList))
copy(list, s.keyList)
return list
}
// KeysHash returns keys hash consisting of names and values.
func (s *Section) KeysHash() map[string]string {
if s.f.BlockMode {
s.f.lock.RLock()
defer s.f.lock.RUnlock()
}
hash := map[string]string{}
for key, value := range s.keysHash {
hash[key] = value
}
return hash
}
// DeleteKey deletes a key from section.
func (s *Section) DeleteKey(name string) {
if s.f.BlockMode {
s.f.lock.Lock()
defer s.f.lock.Unlock()
}
for i, k := range s.keyList {
if k == name {
s.keyList = append(s.keyList[:i], s.keyList[i+1:]...)
delete(s.keys, name)
return
}
}
}

429
vendor/github.com/go-ini/ini/struct.go сгенерированный поставляемый Normal file
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@ -0,0 +1,429 @@
// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"bytes"
"errors"
"fmt"
"reflect"
"strings"
"time"
"unicode"
)
// NameMapper represents a ini tag name mapper.
type NameMapper func(string) string
// Built-in name getters.
var (
// AllCapsUnderscore converts to format ALL_CAPS_UNDERSCORE.
AllCapsUnderscore NameMapper = func(raw string) string {
newstr := make([]rune, 0, len(raw))
for i, chr := range raw {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if i > 0 {
newstr = append(newstr, '_')
}
}
newstr = append(newstr, unicode.ToUpper(chr))
}
return string(newstr)
}
// TitleUnderscore converts to format title_underscore.
TitleUnderscore NameMapper = func(raw string) string {
newstr := make([]rune, 0, len(raw))
for i, chr := range raw {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if i > 0 {
newstr = append(newstr, '_')
}
chr -= ('A' - 'a')
}
newstr = append(newstr, chr)
}
return string(newstr)
}
)
func (s *Section) parseFieldName(raw, actual string) string {
if len(actual) > 0 {
return actual
}
if s.f.NameMapper != nil {
return s.f.NameMapper(raw)
}
return raw
}
func parseDelim(actual string) string {
if len(actual) > 0 {
return actual
}
return ","
}
var reflectTime = reflect.TypeOf(time.Now()).Kind()
// setSliceWithProperType sets proper values to slice based on its type.
func setSliceWithProperType(key *Key, field reflect.Value, delim string) error {
strs := key.Strings(delim)
numVals := len(strs)
if numVals == 0 {
return nil
}
var vals interface{}
sliceOf := field.Type().Elem().Kind()
switch sliceOf {
case reflect.String:
vals = strs
case reflect.Int:
vals = key.Ints(delim)
case reflect.Int64:
vals = key.Int64s(delim)
case reflect.Uint:
vals = key.Uints(delim)
case reflect.Uint64:
vals = key.Uint64s(delim)
case reflect.Float64:
vals = key.Float64s(delim)
case reflectTime:
vals = key.Times(delim)
default:
return fmt.Errorf("unsupported type '[]%s'", sliceOf)
}
slice := reflect.MakeSlice(field.Type(), numVals, numVals)
for i := 0; i < numVals; i++ {
switch sliceOf {
case reflect.String:
slice.Index(i).Set(reflect.ValueOf(vals.([]string)[i]))
case reflect.Int:
slice.Index(i).Set(reflect.ValueOf(vals.([]int)[i]))
case reflect.Int64:
slice.Index(i).Set(reflect.ValueOf(vals.([]int64)[i]))
case reflect.Uint:
slice.Index(i).Set(reflect.ValueOf(vals.([]uint)[i]))
case reflect.Uint64:
slice.Index(i).Set(reflect.ValueOf(vals.([]uint64)[i]))
case reflect.Float64:
slice.Index(i).Set(reflect.ValueOf(vals.([]float64)[i]))
case reflectTime:
slice.Index(i).Set(reflect.ValueOf(vals.([]time.Time)[i]))
}
}
field.Set(slice)
return nil
}
// setWithProperType sets proper value to field based on its type,
// but it does not return error for failing parsing,
// because we want to use default value that is already assigned to strcut.
func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
switch t.Kind() {
case reflect.String:
if len(key.String()) == 0 {
return nil
}
field.SetString(key.String())
case reflect.Bool:
boolVal, err := key.Bool()
if err != nil {
return nil
}
field.SetBool(boolVal)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
durationVal, err := key.Duration()
// Skip zero value
if err == nil && int(durationVal) > 0 {
field.Set(reflect.ValueOf(durationVal))
return nil
}
intVal, err := key.Int64()
if err != nil || intVal == 0 {
return nil
}
field.SetInt(intVal)
// byte is an alias for uint8, so supporting uint8 breaks support for byte
case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
durationVal, err := key.Duration()
if err == nil {
field.Set(reflect.ValueOf(durationVal))
return nil
}
uintVal, err := key.Uint64()
if err != nil {
return nil
}
field.SetUint(uintVal)
case reflect.Float64:
floatVal, err := key.Float64()
if err != nil {
return nil
}
field.SetFloat(floatVal)
case reflectTime:
timeVal, err := key.Time()
if err != nil {
return nil
}
field.Set(reflect.ValueOf(timeVal))
case reflect.Slice:
return setSliceWithProperType(key, field, delim)
default:
return fmt.Errorf("unsupported type '%s'", t)
}
return nil
}
func (s *Section) mapTo(val reflect.Value) error {
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
typ := val.Type()
for i := 0; i < typ.NumField(); i++ {
field := val.Field(i)
tpField := typ.Field(i)
tag := tpField.Tag.Get("ini")
if tag == "-" {
continue
}
fieldName := s.parseFieldName(tpField.Name, tag)
if len(fieldName) == 0 || !field.CanSet() {
continue
}
isAnonymous := tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous
isStruct := tpField.Type.Kind() == reflect.Struct
if isAnonymous {
field.Set(reflect.New(tpField.Type.Elem()))
}
if isAnonymous || isStruct {
if sec, err := s.f.GetSection(fieldName); err == nil {
if err = sec.mapTo(field); err != nil {
return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
}
continue
}
}
if key, err := s.GetKey(fieldName); err == nil {
if err = setWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim"))); err != nil {
return fmt.Errorf("error mapping field(%s): %v", fieldName, err)
}
}
}
return nil
}
// MapTo maps section to given struct.
func (s *Section) MapTo(v interface{}) error {
typ := reflect.TypeOf(v)
val := reflect.ValueOf(v)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
} else {
return errors.New("cannot map to non-pointer struct")
}
return s.mapTo(val)
}
// MapTo maps file to given struct.
func (f *File) MapTo(v interface{}) error {
return f.Section("").MapTo(v)
}
// MapTo maps data sources to given struct with name mapper.
func MapToWithMapper(v interface{}, mapper NameMapper, source interface{}, others ...interface{}) error {
cfg, err := Load(source, others...)
if err != nil {
return err
}
cfg.NameMapper = mapper
return cfg.MapTo(v)
}
// MapTo maps data sources to given struct.
func MapTo(v, source interface{}, others ...interface{}) error {
return MapToWithMapper(v, nil, source, others...)
}
// reflectSliceWithProperType does the opposite thing as setSliceWithProperType.
func reflectSliceWithProperType(key *Key, field reflect.Value, delim string) error {
slice := field.Slice(0, field.Len())
if field.Len() == 0 {
return nil
}
var buf bytes.Buffer
sliceOf := field.Type().Elem().Kind()
for i := 0; i < field.Len(); i++ {
switch sliceOf {
case reflect.String:
buf.WriteString(slice.Index(i).String())
case reflect.Int, reflect.Int64:
buf.WriteString(fmt.Sprint(slice.Index(i).Int()))
case reflect.Uint, reflect.Uint64:
buf.WriteString(fmt.Sprint(slice.Index(i).Uint()))
case reflect.Float64:
buf.WriteString(fmt.Sprint(slice.Index(i).Float()))
case reflectTime:
buf.WriteString(slice.Index(i).Interface().(time.Time).Format(time.RFC3339))
default:
return fmt.Errorf("unsupported type '[]%s'", sliceOf)
}
buf.WriteString(delim)
}
key.SetValue(buf.String()[:buf.Len()-1])
return nil
}
// reflectWithProperType does the opposite thing as setWithProperType.
func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
switch t.Kind() {
case reflect.String:
key.SetValue(field.String())
case reflect.Bool:
key.SetValue(fmt.Sprint(field.Bool()))
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
key.SetValue(fmt.Sprint(field.Int()))
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
key.SetValue(fmt.Sprint(field.Uint()))
case reflect.Float32, reflect.Float64:
key.SetValue(fmt.Sprint(field.Float()))
case reflectTime:
key.SetValue(fmt.Sprint(field.Interface().(time.Time).Format(time.RFC3339)))
case reflect.Slice:
return reflectSliceWithProperType(key, field, delim)
default:
return fmt.Errorf("unsupported type '%s'", t)
}
return nil
}
// CR: copied from encoding/json/encode.go with modifications of time.Time support.
// TODO: add more test coverage.
func isEmptyValue(v reflect.Value) bool {
switch v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflectTime:
return v.Interface().(time.Time).IsZero()
case reflect.Interface, reflect.Ptr:
return v.IsNil()
}
return false
}
func (s *Section) reflectFrom(val reflect.Value) error {
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
typ := val.Type()
for i := 0; i < typ.NumField(); i++ {
field := val.Field(i)
tpField := typ.Field(i)
tag := tpField.Tag.Get("ini")
if tag == "-" {
continue
}
opts := strings.SplitN(tag, ",", 2)
if len(opts) == 2 && opts[1] == "omitempty" && isEmptyValue(field) {
continue
}
fieldName := s.parseFieldName(tpField.Name, opts[0])
if len(fieldName) == 0 || !field.CanSet() {
continue
}
if (tpField.Type.Kind() == reflect.Ptr && tpField.Anonymous) ||
(tpField.Type.Kind() == reflect.Struct && tpField.Type.Name() != "Time") {
// Note: The only error here is section doesn't exist.
sec, err := s.f.GetSection(fieldName)
if err != nil {
// Note: fieldName can never be empty here, ignore error.
sec, _ = s.f.NewSection(fieldName)
}
if err = sec.reflectFrom(field); err != nil {
return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
}
continue
}
// Note: Same reason as secion.
key, err := s.GetKey(fieldName)
if err != nil {
key, _ = s.NewKey(fieldName, "")
}
if err = reflectWithProperType(tpField.Type, key, field, parseDelim(tpField.Tag.Get("delim"))); err != nil {
return fmt.Errorf("error reflecting field (%s): %v", fieldName, err)
}
}
return nil
}
// ReflectFrom reflects secion from given struct.
func (s *Section) ReflectFrom(v interface{}) error {
typ := reflect.TypeOf(v)
val := reflect.ValueOf(v)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
} else {
return errors.New("cannot reflect from non-pointer struct")
}
return s.reflectFrom(val)
}
// ReflectFrom reflects file from given struct.
func (f *File) ReflectFrom(v interface{}) error {
return f.Section("").ReflectFrom(v)
}
// ReflectFrom reflects data sources from given struct with name mapper.
func ReflectFromWithMapper(cfg *File, v interface{}, mapper NameMapper) error {
cfg.NameMapper = mapper
return cfg.ReflectFrom(v)
}
// ReflectFrom reflects data sources from given struct.
func ReflectFrom(cfg *File, v interface{}) error {
return ReflectFromWithMapper(cfg, v, nil)
}

11
vendor/github.com/howeyc/gopass/.travis.yml сгенерированный поставляемый Normal file
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language: go
os:
- linux
- osx
go:
- 1.3
- 1.4
- 1.5
- tip

15
vendor/github.com/howeyc/gopass/LICENSE.txt сгенерированный поставляемый Normal file
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ISC License
Copyright (c) 2012 Chris Howey
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

27
vendor/github.com/howeyc/gopass/README.md сгенерированный поставляемый Normal file
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# getpasswd in Go [![GoDoc](https://godoc.org/github.com/howeyc/gopass?status.svg)](https://godoc.org/github.com/howeyc/gopass) [![Build Status](https://secure.travis-ci.org/howeyc/gopass.png?branch=master)](http://travis-ci.org/howeyc/gopass)
Retrieve password from user terminal or piped input without echo.
Verified on BSD, Linux, and Windows.
Example:
```go
package main
import "fmt"
import "github.com/howeyc/gopass"
func main() {
fmt.Printf("Password: ")
// Silent. For printing *'s use gopass.GetPasswdMasked()
pass, err := gopass.GetPasswd()
if err != nil {
// Handle gopass.ErrInterrupted or getch() read error
}
// Do something with pass
}
```
Caution: Multi-byte characters not supported!

93
vendor/github.com/howeyc/gopass/pass.go сгенерированный поставляемый Normal file
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package gopass
import (
"errors"
"fmt"
"io"
"os"
"golang.org/x/crypto/ssh/terminal"
)
var defaultGetCh = func() (byte, error) {
buf := make([]byte, 1)
if n, err := os.Stdin.Read(buf); n == 0 || err != nil {
if err != nil {
return 0, err
}
return 0, io.EOF
}
return buf[0], nil
}
var (
maxLength = 512
ErrInterrupted = errors.New("interrupted")
ErrMaxLengthExceeded = fmt.Errorf("maximum byte limit (%v) exceeded", maxLength)
// Provide variable so that tests can provide a mock implementation.
getch = defaultGetCh
)
// getPasswd returns the input read from terminal.
// If masked is true, typing will be matched by asterisks on the screen.
// Otherwise, typing will echo nothing.
func getPasswd(masked bool) ([]byte, error) {
var err error
var pass, bs, mask []byte
if masked {
bs = []byte("\b \b")
mask = []byte("*")
}
if terminal.IsTerminal(int(os.Stdin.Fd())) {
if oldState, err := terminal.MakeRaw(int(os.Stdin.Fd())); err != nil {
return pass, err
} else {
defer terminal.Restore(int(os.Stdin.Fd()), oldState)
}
}
// Track total bytes read, not just bytes in the password. This ensures any
// errors that might flood the console with nil or -1 bytes infinitely are
// capped.
var counter int
for counter = 0; counter <= maxLength; counter++ {
if v, e := getch(); e != nil {
err = e
break
} else if v == 127 || v == 8 {
if l := len(pass); l > 0 {
pass = pass[:l-1]
fmt.Print(string(bs))
}
} else if v == 13 || v == 10 {
break
} else if v == 3 {
err = ErrInterrupted
break
} else if v != 0 {
pass = append(pass, v)
fmt.Print(string(mask))
}
}
if counter > maxLength {
err = ErrMaxLengthExceeded
}
fmt.Println()
return pass, err
}
// GetPasswd returns the password read from the terminal without echoing input.
// The returned byte array does not include end-of-line characters.
func GetPasswd() ([]byte, error) {
return getPasswd(false)
}
// GetPasswdMasked returns the password read from the terminal, echoing asterisks.
// The returned byte array does not include end-of-line characters.
func GetPasswdMasked() ([]byte, error) {
return getPasswd(true)
}

4
vendor/github.com/jmespath/go-jmespath/.gitignore сгенерированный поставляемый Normal file
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@ -0,0 +1,4 @@
/jpgo
jmespath-fuzz.zip
cpu.out
go-jmespath.test

9
vendor/github.com/jmespath/go-jmespath/.travis.yml сгенерированный поставляемый Normal file
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@ -0,0 +1,9 @@
language: go
sudo: false
go:
- 1.4
install: go get -v -t ./...
script: make test

13
vendor/github.com/jmespath/go-jmespath/LICENSE сгенерированный поставляемый Normal file
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@ -0,0 +1,13 @@
Copyright 2015 James Saryerwinnie
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

44
vendor/github.com/jmespath/go-jmespath/Makefile сгенерированный поставляемый Normal file
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CMD = jpgo
help:
@echo "Please use \`make <target>' where <target> is one of"
@echo " test to run all the tests"
@echo " build to build the library and jp executable"
@echo " generate to run codegen"
generate:
go generate ./...
build:
rm -f $(CMD)
go build ./...
rm -f cmd/$(CMD)/$(CMD) && cd cmd/$(CMD)/ && go build ./...
mv cmd/$(CMD)/$(CMD) .
test:
go test -v ./...
check:
go vet ./...
@echo "golint ./..."
@lint=`golint ./...`; \
lint=`echo "$$lint" | grep -v "astnodetype_string.go" | grep -v "toktype_string.go"`; \
echo "$$lint"; \
if [ "$$lint" != "" ]; then exit 1; fi
htmlc:
go test -coverprofile="/tmp/jpcov" && go tool cover -html="/tmp/jpcov" && unlink /tmp/jpcov
buildfuzz:
go-fuzz-build github.com/jmespath/go-jmespath/fuzz
fuzz: buildfuzz
go-fuzz -bin=./jmespath-fuzz.zip -workdir=fuzz/testdata
bench:
go test -bench . -cpuprofile cpu.out
pprof-cpu:
go tool pprof ./go-jmespath.test ./cpu.out

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