oauth2/client_appengine.go

40 строки
1.1 KiB
Go

// Copyright 2014 The oauth2 Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build appengine,!appenginevm
// App Engine hooks.
package oauth2
import (
"log"
"net/http"
"sync"
"appengine"
"appengine/urlfetch"
)
var warnOnce sync.Once
func init() {
registerContextClientFunc(contextClientAppEngine)
}
func contextClientAppEngine(ctx Context) (*http.Client, error) {
if actx, ok := ctx.(appengine.Context); ok {
return urlfetch.NewClient(actx), nil
}
// The user did it wrong. We'll log once (and hope they see it
// in dev_appserver), but stil return (nil, nil) in case some
// other contextClientFunc hook finds a way to proceed.
warnOnce.Do(gaeDoingItWrongHelp)
return nil, nil
}
func gaeDoingItWrongHelp() {
log.Printf("WARNING: you attempted to use the oauth2 package without passing a valid appengine.Context or *http.Request as the oauth2.Context. App Engine requires that all service RPCs (including urlfetch) be associated with an *http.Request/appengine.Context.")
}