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gecko-dev
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gecko-dev/dom/bindings/nsScriptError.cpp

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12 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=99: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* nsIScriptError implementation.
*/
#include "nsScriptError.h"
#include "jsprf.h"
#include "MainThreadUtils.h"
#include "mozilla/Assertions.h"
#include "nsGlobalWindow.h"
#include "nsNetUtil.h"
#include "nsPIDOMWindow.h"
#include "nsILoadContext.h"
#include "nsIDocShell.h"
#include "nsIMutableArray.h"
#include "nsIScriptError.h"
#include "nsISensitiveInfoHiddenURI.h"
static_assert(nsIScriptError::errorFlag == JSREPORT_ERROR &&
nsIScriptError::warningFlag == JSREPORT_WARNING &&
nsIScriptError::exceptionFlag == JSREPORT_EXCEPTION &&
nsIScriptError::strictFlag == JSREPORT_STRICT &&
nsIScriptError::infoFlag == JSREPORT_USER_1,
"flags should be consistent");
nsScriptErrorBase::nsScriptErrorBase()
: mMessage(),
mMessageName(),
mSourceName(),
mLineNumber(0),
mSourceLine(),
mColumnNumber(0),
mFlags(0),
mCategory(),
mOuterWindowID(0),
mInnerWindowID(0),
mTimeStamp(0),
mInitializedOnMainThread(false),
mIsFromPrivateWindow(false)
{
}
nsScriptErrorBase::~nsScriptErrorBase() {}
void
nsScriptErrorBase::AddNote(nsIScriptErrorNote* note)
{
mNotes.AppendObject(note);
}
void
nsScriptErrorBase::InitializeOnMainThread()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mInitializedOnMainThread);
if (mInnerWindowID) {
nsGlobalWindow* window =
nsGlobalWindow::GetInnerWindowWithId(mInnerWindowID);
if (window) {
nsPIDOMWindowOuter* outer = window->GetOuterWindow();
if (outer)
mOuterWindowID = outer->WindowID();
nsIDocShell* docShell = window->GetDocShell();
nsCOMPtr<nsILoadContext> loadContext = do_QueryInterface(docShell);
if (loadContext) {
// Never mark exceptions from chrome windows as having come from
// private windows, since we always want them to be reported.
nsIPrincipal* winPrincipal = window->GetPrincipal();
mIsFromPrivateWindow = loadContext->UsePrivateBrowsing() &&
!nsContentUtils::IsSystemPrincipal(winPrincipal);
}
}
}
mInitializedOnMainThread = true;
}
// nsIConsoleMessage methods
NS_IMETHODIMP
nsScriptErrorBase::GetMessageMoz(char16_t** result) {
nsresult rv;
nsAutoCString message;
rv = ToString(message);
if (NS_FAILED(rv))
return rv;
*result = UTF8ToNewUnicode(message);
if (!*result)
return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetLogLevel(uint32_t* aLogLevel)
{
if (mFlags & (uint32_t)nsIScriptError::infoFlag) {
*aLogLevel = nsIConsoleMessage::info;
} else if (mFlags & (uint32_t)nsIScriptError::warningFlag) {
*aLogLevel = nsIConsoleMessage::warn;
} else {
*aLogLevel = nsIConsoleMessage::error;
}
return NS_OK;
}
// nsIScriptError methods
NS_IMETHODIMP
nsScriptErrorBase::GetErrorMessage(nsAString& aResult) {
aResult.Assign(mMessage);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetSourceName(nsAString& aResult) {
aResult.Assign(mSourceName);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetSourceLine(nsAString& aResult) {
aResult.Assign(mSourceLine);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetLineNumber(uint32_t* result) {
*result = mLineNumber;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetColumnNumber(uint32_t* result) {
*result = mColumnNumber;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetFlags(uint32_t* result) {
*result = mFlags;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetCategory(char** result) {
*result = ToNewCString(mCategory);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetStack(JS::MutableHandleValue aStack) {
aStack.setUndefined();
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::SetStack(JS::HandleValue aStack) {
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetErrorMessageName(nsAString& aErrorMessageName) {
aErrorMessageName = mMessageName;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::SetErrorMessageName(const nsAString& aErrorMessageName) {
mMessageName = aErrorMessageName;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::Init(const nsAString& message,
const nsAString& sourceName,
const nsAString& sourceLine,
uint32_t lineNumber,
uint32_t columnNumber,
uint32_t flags,
const char* category)
{
return InitWithWindowID(message, sourceName, sourceLine, lineNumber,
columnNumber, flags,
category ? nsDependentCString(category)
: EmptyCString(),
0);
}
static void
AssignSourceNameHelper(nsString& aSourceNameDest, const nsAString& aSourceNameSrc)
{
if (aSourceNameSrc.IsEmpty())
return;
aSourceNameDest.Assign(aSourceNameSrc);
nsCOMPtr<nsIURI> uri;
nsAutoCString pass;
if (NS_SUCCEEDED(NS_NewURI(getter_AddRefs(uri), aSourceNameSrc)) &&
NS_SUCCEEDED(uri->GetPassword(pass)) &&
!pass.IsEmpty())
{
nsCOMPtr<nsISensitiveInfoHiddenURI> safeUri = do_QueryInterface(uri);
nsAutoCString loc;
if (safeUri && NS_SUCCEEDED(safeUri->GetSensitiveInfoHiddenSpec(loc)))
aSourceNameDest.Assign(NS_ConvertUTF8toUTF16(loc));
}
}
NS_IMETHODIMP
nsScriptErrorBase::InitWithWindowID(const nsAString& message,
const nsAString& sourceName,
const nsAString& sourceLine,
uint32_t lineNumber,
uint32_t columnNumber,
uint32_t flags,
const nsACString& category,
uint64_t aInnerWindowID)
{
mMessage.Assign(message);
AssignSourceNameHelper(mSourceName, sourceName);
mLineNumber = lineNumber;
mSourceLine.Assign(sourceLine);
mColumnNumber = columnNumber;
mFlags = flags;
mCategory = category;
mTimeStamp = JS_Now() / 1000;
mInnerWindowID = aInnerWindowID;
if (aInnerWindowID && NS_IsMainThread())
InitializeOnMainThread();
return NS_OK;
}
static nsresult
ToStringHelper(const char* aSeverity, const nsString& aMessage,
const nsString& aSourceName, const nsString* aSourceLine,
uint32_t aLineNumber, uint32_t aColumnNumber,
nsACString& /*UTF8*/ aResult)
{
static const char format0[] =
"[%s: \"%s\" {file: \"%s\" line: %d column: %d source: \"%s\"}]";
static const char format1[] =
"[%s: \"%s\" {file: \"%s\" line: %d}]";
static const char format2[] =
"[%s: \"%s\"]";
char* temp;
char* tempMessage = nullptr;
char* tempSourceName = nullptr;
char* tempSourceLine = nullptr;
if (!aMessage.IsEmpty())
tempMessage = ToNewUTF8String(aMessage);
if (!aSourceName.IsEmpty())
// Use at most 512 characters from mSourceName.
tempSourceName = ToNewUTF8String(StringHead(aSourceName, 512));
if (aSourceLine && !aSourceLine->IsEmpty())
// Use at most 512 characters from mSourceLine.
tempSourceLine = ToNewUTF8String(StringHead(*aSourceLine, 512));
if (nullptr != tempSourceName && nullptr != tempSourceLine) {
temp = JS_smprintf(format0,
aSeverity,
tempMessage,
tempSourceName,
aLineNumber,
aColumnNumber,
tempSourceLine);
} else if (!aSourceName.IsEmpty()) {
temp = JS_smprintf(format1,
aSeverity,
tempMessage,
tempSourceName,
aLineNumber);
} else {
temp = JS_smprintf(format2,
aSeverity,
tempMessage);
}
if (nullptr != tempMessage)
free(tempMessage);
if (nullptr != tempSourceName)
free(tempSourceName);
if (nullptr != tempSourceLine)
free(tempSourceLine);
if (!temp)
return NS_ERROR_OUT_OF_MEMORY;
aResult.Assign(temp);
JS_smprintf_free(temp);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::ToString(nsACString& /*UTF8*/ aResult)
{
static const char error[] = "JavaScript Error";
static const char warning[] = "JavaScript Warning";
const char* severity = !(mFlags & JSREPORT_WARNING) ? error : warning;
return ToStringHelper(severity, mMessage, mSourceName, &mSourceLine,
mLineNumber, mColumnNumber, aResult);
}
NS_IMETHODIMP
nsScriptErrorBase::GetOuterWindowID(uint64_t* aOuterWindowID)
{
NS_WARNING_ASSERTION(NS_IsMainThread() || mInitializedOnMainThread,
"This can't be safely determined off the main thread, "
"returning an inaccurate value!");
if (!mInitializedOnMainThread && NS_IsMainThread()) {
InitializeOnMainThread();
}
*aOuterWindowID = mOuterWindowID;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetInnerWindowID(uint64_t* aInnerWindowID)
{
*aInnerWindowID = mInnerWindowID;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetTimeStamp(int64_t* aTimeStamp)
{
*aTimeStamp = mTimeStamp;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetIsFromPrivateWindow(bool* aIsFromPrivateWindow)
{
NS_WARNING_ASSERTION(NS_IsMainThread() || mInitializedOnMainThread,
"This can't be safely determined off the main thread, "
"returning an inaccurate value!");
if (!mInitializedOnMainThread && NS_IsMainThread()) {
InitializeOnMainThread();
}
*aIsFromPrivateWindow = mIsFromPrivateWindow;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorBase::GetNotes(nsIArray** aNotes)
{
nsresult rv = NS_OK;
nsCOMPtr<nsIMutableArray> array =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t len = mNotes.Length();
for (uint32_t i = 0; i < len; i++)
array->AppendElement(mNotes[i], false);
array.forget(aNotes);
return NS_OK;
}
NS_IMPL_ISUPPORTS(nsScriptError, nsIConsoleMessage, nsIScriptError)
nsScriptErrorNote::nsScriptErrorNote()
: mMessage(),
mSourceName(),
mLineNumber(0),
mColumnNumber(0)
{
}
nsScriptErrorNote::~nsScriptErrorNote() {}
void
nsScriptErrorNote::Init(const nsAString& message,
const nsAString& sourceName,
uint32_t lineNumber,
uint32_t columnNumber)
{
mMessage.Assign(message);
AssignSourceNameHelper(mSourceName, sourceName);
mLineNumber = lineNumber;
mColumnNumber = columnNumber;
}
// nsIScriptErrorNote methods
NS_IMETHODIMP
nsScriptErrorNote::GetErrorMessage(nsAString& aResult) {
aResult.Assign(mMessage);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorNote::GetSourceName(nsAString& aResult) {
aResult.Assign(mSourceName);
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorNote::GetLineNumber(uint32_t* result) {
*result = mLineNumber;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorNote::GetColumnNumber(uint32_t* result) {
*result = mColumnNumber;
return NS_OK;
}
NS_IMETHODIMP
nsScriptErrorNote::ToString(nsACString& /*UTF8*/ aResult)
{
return ToStringHelper("JavaScript Note", mMessage, mSourceName, nullptr,
mLineNumber, mColumnNumber, aResult);
}
NS_IMPL_ISUPPORTS(nsScriptErrorNote, nsIScriptErrorNote)
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