1332245 - Move nsScriptError from js/xpconnect to dom/bindings.

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)