/* -*- 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 "js/Printf.h" #include "MainThreadUtils.h" #include "mozilla/Assertions.h" #include "nsContentUtils.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), mTimeWarpTarget(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) { nsGlobalWindowInner* window = nsGlobalWindowInner::GetInnerWindowWithId(mInnerWindowID); if (window) { nsPIDOMWindowOuter* outer = window->GetOuterWindow(); if (outer) mOuterWindowID = outer->WindowID(); nsIDocShell* docShell = window->GetDocShell(); nsCOMPtr 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(nsAString& aMessage) { nsAutoCString message; nsresult rv = ToString(message); if (NS_FAILED(rv)) { return rv; } CopyUTF8toUTF16(message, aMessage); 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::GetStackGlobal(JS::MutableHandleValue aStackGlobal) { aStackGlobal.setUndefined(); 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; } static void AssignSourceNameHelper(nsString& aSourceNameDest, const nsAString& aSourceNameSrc) { if (aSourceNameSrc.IsEmpty()) return; aSourceNameDest.Assign(aSourceNameSrc); nsCOMPtr uri; nsAutoCString pass; if (NS_SUCCEEDED(NS_NewURI(getter_AddRefs(uri), aSourceNameSrc)) && NS_SUCCEEDED(uri->GetPassword(pass)) && !pass.IsEmpty()) { NS_GetSanitizedURIStringFromURI(uri, aSourceNameDest); } } static void AssignSourceNameHelper(nsIURI* aSourceURI, nsString& aSourceNameDest) { if (!aSourceURI) return; if (NS_FAILED(NS_GetSanitizedURIStringFromURI(aSourceURI, aSourceNameDest))) { aSourceNameDest.AssignLiteral("[nsIURI::GetSpec failed]"); } } 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, bool fromPrivateWindow) { InitializationHelper(message, sourceLine, lineNumber, columnNumber, flags, category ? nsDependentCString(category) : EmptyCString(), 0 /* inner Window ID */); AssignSourceNameHelper(mSourceName, sourceName); mIsFromPrivateWindow = fromPrivateWindow; return NS_OK; } void nsScriptErrorBase::InitializationHelper(const nsAString& message, const nsAString& sourceLine, uint32_t lineNumber, uint32_t columnNumber, uint32_t flags, const nsACString& category, uint64_t aInnerWindowID) { mMessage.Assign(message); mLineNumber = lineNumber; mSourceLine.Assign(sourceLine); mColumnNumber = columnNumber; mFlags = flags; mCategory = category; mTimeStamp = JS_Now() / 1000; mInnerWindowID = aInnerWindowID; } 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) { InitializationHelper(message, sourceLine, lineNumber, columnNumber, flags, category, aInnerWindowID); AssignSourceNameHelper(mSourceName, sourceName); if (aInnerWindowID && NS_IsMainThread()) InitializeOnMainThread(); return NS_OK; } NS_IMETHODIMP nsScriptErrorBase::InitWithSanitizedSource(const nsAString& message, const nsAString& sourceName, const nsAString& sourceLine, uint32_t lineNumber, uint32_t columnNumber, uint32_t flags, const nsACString& category, uint64_t aInnerWindowID) { InitializationHelper(message, sourceLine, lineNumber, columnNumber, flags, category, aInnerWindowID); mSourceName = sourceName; if (aInnerWindowID && NS_IsMainThread()) InitializeOnMainThread(); return NS_OK; } NS_IMETHODIMP nsScriptErrorBase::InitWithSourceURI(const nsAString& message, nsIURI *sourceURI, const nsAString& sourceLine, uint32_t lineNumber, uint32_t columnNumber, uint32_t flags, const nsACString& category, uint64_t aInnerWindowID) { InitializationHelper(message, sourceLine, lineNumber, columnNumber, flags, category, aInnerWindowID); AssignSourceNameHelper(sourceURI, mSourceName); 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\"]"; JS::UniqueChars 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.get()); 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::SetTimeWarpTarget(uint64_t aTarget) { mTimeWarpTarget = aTarget; return NS_OK; } NS_IMETHODIMP nsScriptErrorBase::GetTimeWarpTarget(uint64_t* aTarget) { *aTarget = mTimeWarpTarget; return NS_OK; } NS_IMETHODIMP nsScriptErrorBase::GetNotes(nsIArray** aNotes) { nsresult rv = NS_OK; nsCOMPtr 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]); 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)