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-rw-r--r--dom/bindings/nsScriptError.cpp345
1 files changed, 345 insertions, 0 deletions
diff --git a/dom/bindings/nsScriptError.cpp b/dom/bindings/nsScriptError.cpp
new file mode 100644
index 000000000..686b0f7fc
--- /dev/null
+++ b/dom/bindings/nsScriptError.cpp
@@ -0,0 +1,345 @@
+/* -*- 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 "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::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);
+}
+
+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);
+
+ if (!sourceName.IsEmpty()) {
+ mSourceName.Assign(sourceName);
+
+ nsCOMPtr<nsIURI> uri;
+ nsAutoCString pass;
+ if (NS_SUCCEEDED(NS_NewURI(getter_AddRefs(uri), sourceName)) &&
+ NS_SUCCEEDED(uri->GetPassword(pass)) &&
+ !pass.IsEmpty()) {
+ nsCOMPtr<nsISensitiveInfoHiddenURI> safeUri =
+ do_QueryInterface(uri);
+
+ nsAutoCString loc;
+ if (safeUri &&
+ NS_SUCCEEDED(safeUri->GetSensitiveInfoHiddenSpec(loc))) {
+ mSourceName.Assign(NS_ConvertUTF8toUTF16(loc));
+ }
+ }
+ }
+
+ 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;
+}
+
+NS_IMETHODIMP
+nsScriptErrorBase::ToString(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\"]";
+
+ static const char error[] = "JavaScript Error";
+ static const char warning[] = "JavaScript Warning";
+
+ const char* severity = !(mFlags & JSREPORT_WARNING) ? error : warning;
+
+ char* temp;
+ char* tempMessage = nullptr;
+ char* tempSourceName = nullptr;
+ char* tempSourceLine = nullptr;
+
+ if (!mMessage.IsEmpty())
+ tempMessage = ToNewUTF8String(mMessage);
+ if (!mSourceName.IsEmpty())
+ // Use at most 512 characters from mSourceName.
+ tempSourceName = ToNewUTF8String(StringHead(mSourceName, 512));
+ if (!mSourceLine.IsEmpty())
+ // Use at most 512 characters from mSourceLine.
+ tempSourceLine = ToNewUTF8String(StringHead(mSourceLine, 512));
+
+ if (nullptr != tempSourceName && nullptr != tempSourceLine)
+ temp = JS_smprintf(format0,
+ severity,
+ tempMessage,
+ tempSourceName,
+ mLineNumber,
+ mColumnNumber,
+ tempSourceLine);
+ else if (!mSourceName.IsEmpty())
+ temp = JS_smprintf(format1,
+ severity,
+ tempMessage,
+ tempSourceName,
+ mLineNumber);
+ else
+ temp = JS_smprintf(format2,
+ severity,
+ 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::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_IMPL_ISUPPORTS(nsScriptError, nsIConsoleMessage, nsIScriptError)