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gecko-dev/dom/console/Console.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/Console.h"
#include "mozilla/dom/ConsoleInstance.h"
#include "mozilla/dom/ConsoleBinding.h"
#include "ConsoleCommon.h"
#include "js/Array.h" // JS::GetArrayLength, JS::NewArrayObject
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Exceptions.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FunctionBinding.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/dom/PromiseBinding.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/WorkerPrivate.h"
#include "mozilla/dom/WorkerRunnable.h"
#include "mozilla/dom/WorkerScope.h"
#include "mozilla/dom/WorkletGlobalScope.h"
#include "mozilla/dom/WorkletImpl.h"
#include "mozilla/dom/WorkletThread.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/Maybe.h"
#include "mozilla/StaticPrefs_devtools.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMNavigationTiming.h"
#include "nsGlobalWindow.h"
#include "nsJSUtils.h"
#include "nsNetUtil.h"
#include "xpcpublic.h"
#include "nsContentUtils.h"
#include "nsDocShell.h"
#include "nsProxyRelease.h"
#include "mozilla/ConsoleTimelineMarker.h"
#include "mozilla/TimestampTimelineMarker.h"
#include "nsIConsoleAPIStorage.h"
#include "nsIException.h" // for nsIStackFrame
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadContext.h"
#include "nsISensitiveInfoHiddenURI.h"
#include "nsISupportsPrimitives.h"
#include "nsIWebNavigation.h"
#include "nsIXPConnect.h"
// The maximum allowed number of concurrent timers per page.
#define MAX_PAGE_TIMERS 10000
// The maximum allowed number of concurrent counters per page.
#define MAX_PAGE_COUNTERS 10000
// The maximum stacktrace depth when populating the stacktrace array used for
// console.trace().
#define DEFAULT_MAX_STACKTRACE_DEPTH 200
// This tags are used in the Structured Clone Algorithm to move js values from
// worker thread to main thread
#define CONSOLE_TAG_BLOB JS_SCTAG_USER_MIN
// This value is taken from ConsoleAPIStorage.js
#define STORAGE_MAX_EVENTS 1000
using namespace mozilla::dom::exceptions;
namespace mozilla {
namespace dom {
struct ConsoleStructuredCloneData {
nsCOMPtr<nsIGlobalObject> mGlobal;
nsTArray<RefPtr<BlobImpl>> mBlobs;
};
static void ComposeAndStoreGroupName(JSContext* aCx,
const Sequence<JS::Value>& aData,
nsAString& aName,
nsTArray<nsString>* aGroupStack);
static bool UnstoreGroupName(nsAString& aName, nsTArray<nsString>* aGroupStack);
static bool ProcessArguments(JSContext* aCx, const Sequence<JS::Value>& aData,
Sequence<JS::Value>& aSequence,
Sequence<nsString>& aStyles);
static JS::Value CreateCounterOrResetCounterValue(JSContext* aCx,
const nsAString& aCountLabel,
uint32_t aCountValue);
/**
* Console API in workers uses the Structured Clone Algorithm to move any value
* from the worker thread to the main-thread. Some object cannot be moved and,
* in these cases, we convert them to strings.
* It's not the best, but at least we are able to show something.
*/
class ConsoleCallData final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ConsoleCallData)
ConsoleCallData(Console::MethodName aName, const nsAString& aString,
Console* aConsole)
: mConsoleID(aConsole->mConsoleID),
mPrefix(aConsole->mPrefix),
mMethodName(aName),
mTimeStamp(JS_Now() / PR_USEC_PER_MSEC),
mStartTimerValue(0),
mStartTimerStatus(Console::eTimerUnknown),
mLogTimerDuration(0),
mLogTimerStatus(Console::eTimerUnknown),
mCountValue(MAX_PAGE_COUNTERS),
mIDType(eUnknown),
mOuterIDNumber(0),
mInnerIDNumber(0),
mMethodString(aString) {}
void SetIDs(uint64_t aOuterID, uint64_t aInnerID) {
MOZ_ASSERT(mIDType == eUnknown);
mOuterIDNumber = aOuterID;
mInnerIDNumber = aInnerID;
mIDType = eNumber;
}
void SetIDs(const nsAString& aOuterID, const nsAString& aInnerID) {
MOZ_ASSERT(mIDType == eUnknown);
mOuterIDString = aOuterID;
mInnerIDString = aInnerID;
mIDType = eString;
}
void SetOriginAttributes(const OriginAttributes& aOriginAttributes) {
mOriginAttributes = aOriginAttributes;
}
void SetAddonId(nsIPrincipal* aPrincipal) {
nsAutoString addonId;
aPrincipal->GetAddonId(addonId);
mAddonId = addonId;
}
void AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(ConsoleCallData);
}
const nsString mConsoleID;
const nsString mPrefix;
const Console::MethodName mMethodName;
int64_t mTimeStamp;
// These values are set in the owning thread and they contain the timestamp of
// when the new timer has started, the name of it and the status of the
// creation of it. If status is false, something went wrong. User
// DOMHighResTimeStamp instead mozilla::TimeStamp because we use
// monotonicTimer from Performance.now();
// They will be set on the owning thread and never touched again on that
// thread. They will be used in order to create a ConsoleTimerStart dictionary
// when console.time() is used.
DOMHighResTimeStamp mStartTimerValue;
nsString mStartTimerLabel;
Console::TimerStatus mStartTimerStatus;
// These values are set in the owning thread and they contain the duration,
// the name and the status of the LogTimer method. If status is false,
// something went wrong. They will be set on the owning thread and never
// touched again on that thread. They will be used in order to create a
// ConsoleTimerLogOrEnd dictionary. This members are set when
// console.timeEnd() or console.timeLog() are called.
double mLogTimerDuration;
nsString mLogTimerLabel;
Console::TimerStatus mLogTimerStatus;
// These 2 values are set by IncreaseCounter or ResetCounter on the owning
// thread and they are used by CreateCounterOrResetCounterValue.
// These members are set when console.count() or console.countReset() are
// called.
nsString mCountLabel;
uint32_t mCountValue;
// The concept of outerID and innerID is misleading because when a
// ConsoleCallData is created from a window, these are the window IDs, but
// when the object is created from a SharedWorker, a ServiceWorker or a
// subworker of a ChromeWorker these IDs are the type of worker and the
// filename of the callee.
// In Console.jsm the ID is 'jsm'.
enum { eString, eNumber, eUnknown } mIDType;
uint64_t mOuterIDNumber;
nsString mOuterIDString;
uint64_t mInnerIDNumber;
nsString mInnerIDString;
OriginAttributes mOriginAttributes;
nsString mAddonId;
const nsString mMethodString;
// Stack management is complicated, because we want to do it as
// lazily as possible. Therefore, we have the following behavior:
// 1) mTopStackFrame is initialized whenever we have any JS on the stack
// 2) mReifiedStack is initialized if we're created in a worker.
// 3) mStack is set (possibly to null if there is no JS on the stack) if
// we're created on main thread.
Maybe<ConsoleStackEntry> mTopStackFrame;
Maybe<nsTArray<ConsoleStackEntry>> mReifiedStack;
nsCOMPtr<nsIStackFrame> mStack;
private:
~ConsoleCallData() = default;
NS_DECL_OWNINGTHREAD;
};
// MainThreadConsoleData instances are created on the Console thread and
// referenced from both main and Console threads in order to provide the same
// object for any ConsoleRunnables relating to the same Console. A Console
// owns a MainThreadConsoleData; MainThreadConsoleData does not keep its
// Console alive.
class MainThreadConsoleData final {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MainThreadConsoleData);
JSObject* GetOrCreateSandbox(JSContext* aCx, nsIPrincipal* aPrincipal);
// This method must receive aCx and aArguments in the same JS::Compartment.
void ProcessCallData(JSContext* aCx, ConsoleCallData* aData,
const Sequence<JS::Value>& aArguments);
private:
~MainThreadConsoleData() {
NS_ReleaseOnMainThread("MainThreadConsoleData::mStorage",
mStorage.forget());
NS_ReleaseOnMainThread("MainThreadConsoleData::mSandbox",
mSandbox.forget());
}
// All members, except for mRefCnt, are accessed only on the main thread,
// except in MainThreadConsoleData destruction, at which point there are no
// other references.
nsCOMPtr<nsIConsoleAPIStorage> mStorage;
RefPtr<JSObjectHolder> mSandbox;
nsTArray<nsString> mGroupStack;
};
// This base class must be extended for Worker and for Worklet.
class ConsoleRunnable : public StructuredCloneHolderBase {
public:
~ConsoleRunnable() override {
MOZ_ASSERT(!mClonedData.mGlobal,
"mClonedData.mGlobal is set and cleared in a main thread scope");
// Clear the StructuredCloneHolderBase class.
Clear();
}
protected:
JSObject* CustomReadHandler(JSContext* aCx, JSStructuredCloneReader* aReader,
const JS::CloneDataPolicy& aCloneDataPolicy,
uint32_t aTag, uint32_t aIndex) override {
AssertIsOnMainThread();
if (aTag == CONSOLE_TAG_BLOB) {
MOZ_ASSERT(mClonedData.mBlobs.Length() > aIndex);
JS::Rooted<JS::Value> val(aCx);
{
nsCOMPtr<nsIGlobalObject> global = mClonedData.mGlobal;
RefPtr<Blob> blob =
Blob::Create(global, mClonedData.mBlobs.ElementAt(aIndex));
if (!ToJSValue(aCx, blob, &val)) {
return nullptr;
}
}
return &val.toObject();
}
MOZ_CRASH("No other tags are supported.");
return nullptr;
}
bool CustomWriteHandler(JSContext* aCx, JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj,
bool* aSameProcessScopeRequired) override {
RefPtr<Blob> blob;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, aObj, blob))) {
if (NS_WARN_IF(!JS_WriteUint32Pair(aWriter, CONSOLE_TAG_BLOB,
mClonedData.mBlobs.Length()))) {
return false;
}
mClonedData.mBlobs.AppendElement(blob->Impl());
return true;
}
if (!JS_ObjectNotWritten(aWriter, aObj)) {
return false;
}
JS::Rooted<JS::Value> value(aCx, JS::ObjectOrNullValue(aObj));
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
if (NS_WARN_IF(!jsString)) {
return false;
}
if (NS_WARN_IF(!JS_WriteString(aWriter, jsString))) {
return false;
}
return true;
}
// Helper method for CallData
void ProcessCallData(JSContext* aCx, MainThreadConsoleData* aConsoleData,
ConsoleCallData* aCallData) {
AssertIsOnMainThread();
ConsoleCommon::ClearException ce(aCx);
JS::Rooted<JS::Value> argumentsValue(aCx);
if (!Read(aCx, &argumentsValue)) {
return;
}
MOZ_ASSERT(argumentsValue.isObject());
JS::Rooted<JSObject*> argumentsObj(aCx, &argumentsValue.toObject());
uint32_t length;
if (!JS::GetArrayLength(aCx, argumentsObj, &length)) {
return;
}
Sequence<JS::Value> values;
SequenceRooter<JS::Value> arguments(aCx, &values);
for (uint32_t i = 0; i < length; ++i) {
JS::Rooted<JS::Value> value(aCx);
if (!JS_GetElement(aCx, argumentsObj, i, &value)) {
return;
}
if (!values.AppendElement(value, fallible)) {
return;
}
}
MOZ_ASSERT(values.Length() == length);
aConsoleData->ProcessCallData(aCx, aCallData, values);
}
// Generic
bool WriteArguments(JSContext* aCx, const Sequence<JS::Value>& aArguments) {
ConsoleCommon::ClearException ce(aCx);
JS::Rooted<JSObject*> arguments(
aCx, JS::NewArrayObject(aCx, aArguments.Length()));
if (NS_WARN_IF(!arguments)) {
return false;
}
JS::Rooted<JS::Value> arg(aCx);
for (uint32_t i = 0; i < aArguments.Length(); ++i) {
arg = aArguments[i];
if (NS_WARN_IF(
!JS_DefineElement(aCx, arguments, i, arg, JSPROP_ENUMERATE))) {
return false;
}
}
JS::Rooted<JS::Value> value(aCx, JS::ObjectValue(*arguments));
return WriteData(aCx, value);
}
// Helper method for Profile calls
void ProcessProfileData(JSContext* aCx, Console::MethodName aMethodName,
const nsAString& aAction) {
AssertIsOnMainThread();
ConsoleCommon::ClearException ce(aCx);
JS::Rooted<JS::Value> argumentsValue(aCx);
bool ok = Read(aCx, &argumentsValue);
mClonedData.mGlobal = nullptr;
if (!ok) {
return;
}
MOZ_ASSERT(argumentsValue.isObject());
JS::Rooted<JSObject*> argumentsObj(aCx, &argumentsValue.toObject());
if (NS_WARN_IF(!argumentsObj)) {
return;
}
uint32_t length;
if (!JS::GetArrayLength(aCx, argumentsObj, &length)) {
return;
}
Sequence<JS::Value> arguments;
for (uint32_t i = 0; i < length; ++i) {
JS::Rooted<JS::Value> value(aCx);
if (!JS_GetElement(aCx, argumentsObj, i, &value)) {
return;
}
if (!arguments.AppendElement(value, fallible)) {
return;
}
}
Console::ProfileMethodMainthread(aCx, aAction, arguments);
}
bool WriteData(JSContext* aCx, JS::Handle<JS::Value> aValue) {
// We use structuredClone to send the JSValue to the main-thread, in order
// to store it into the Console API Service. The consumer will be the
// console panel in the devtools and, because of this, we want to allow the
// cloning of sharedArrayBuffers and WASM modules.
JS::CloneDataPolicy cloneDataPolicy;
cloneDataPolicy.allowIntraClusterClonableSharedObjects();
cloneDataPolicy.allowSharedMemoryObjects();
if (NS_WARN_IF(
!Write(aCx, aValue, JS::UndefinedHandleValue, cloneDataPolicy))) {
// Ignore the message.
return false;
}
return true;
}
ConsoleStructuredCloneData mClonedData;
};
class ConsoleWorkletRunnable : public Runnable, public ConsoleRunnable {
protected:
explicit ConsoleWorkletRunnable(Console* aConsole)
: Runnable("dom::console::ConsoleWorkletRunnable"),
mConsoleData(aConsole->GetOrCreateMainThreadData()) {
WorkletThread::AssertIsOnWorkletThread();
nsCOMPtr<WorkletGlobalScope> global = do_QueryInterface(aConsole->mGlobal);
MOZ_ASSERT(global);
mWorkletImpl = global->Impl();
MOZ_ASSERT(mWorkletImpl);
}
~ConsoleWorkletRunnable() override = default;
protected:
RefPtr<MainThreadConsoleData> mConsoleData;
RefPtr<WorkletImpl> mWorkletImpl;
};
// This runnable appends a CallData object into the Console queue running on
// the main-thread.
class ConsoleCallDataWorkletRunnable final : public ConsoleWorkletRunnable {
public:
static already_AddRefed<ConsoleCallDataWorkletRunnable> Create(
JSContext* aCx, Console* aConsole, ConsoleCallData* aConsoleData,
const Sequence<JS::Value>& aArguments) {
WorkletThread::AssertIsOnWorkletThread();
RefPtr<ConsoleCallDataWorkletRunnable> runnable =
new ConsoleCallDataWorkletRunnable(aConsole, aConsoleData);
if (!runnable->WriteArguments(aCx, aArguments)) {
return nullptr;
}
return runnable.forget();
}
private:
ConsoleCallDataWorkletRunnable(Console* aConsole, ConsoleCallData* aCallData)
: ConsoleWorkletRunnable(aConsole), mCallData(aCallData) {
WorkletThread::AssertIsOnWorkletThread();
MOZ_ASSERT(aCallData);
aCallData->AssertIsOnOwningThread();
const WorkletLoadInfo& loadInfo = mWorkletImpl->LoadInfo();
mCallData->SetIDs(loadInfo.OuterWindowID(), loadInfo.InnerWindowID());
}
~ConsoleCallDataWorkletRunnable() override = default;
NS_IMETHOD Run() override {
AssertIsOnMainThread();
AutoSafeJSContext cx;
JSObject* sandbox =
mConsoleData->GetOrCreateSandbox(cx, mWorkletImpl->Principal());
JS::Rooted<JSObject*> global(cx, sandbox);
if (NS_WARN_IF(!global)) {
return NS_ERROR_FAILURE;
}
// The CreateSandbox call returns a proxy to the actual sandbox object. We
// don't need a proxy here.
global = js::UncheckedUnwrap(global);
JSAutoRealm ar(cx, global);
// We don't need to set a parent object in mCallData bacause there are not
// DOM objects exposed to worklet.
ProcessCallData(cx, mConsoleData, mCallData);
return NS_OK;
}
RefPtr<ConsoleCallData> mCallData;
};
class ConsoleWorkerRunnable : public WorkerProxyToMainThreadRunnable,
public ConsoleRunnable {
public:
explicit ConsoleWorkerRunnable(Console* aConsole)
: mConsoleData(aConsole->GetOrCreateMainThreadData()) {}
~ConsoleWorkerRunnable() override = default;
bool Dispatch(JSContext* aCx, const Sequence<JS::Value>& aArguments) {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
if (NS_WARN_IF(!WriteArguments(aCx, aArguments))) {
RunBackOnWorkerThreadForCleanup(workerPrivate);
return false;
}
if (NS_WARN_IF(!WorkerProxyToMainThreadRunnable::Dispatch(workerPrivate))) {
// RunBackOnWorkerThreadForCleanup() will be called by
// WorkerProxyToMainThreadRunnable::Dispatch().
return false;
}
return true;
}
protected:
void RunOnMainThread(WorkerPrivate* aWorkerPrivate) override {
MOZ_ASSERT(aWorkerPrivate);
AssertIsOnMainThread();
// Walk up to our containing page
WorkerPrivate* wp = aWorkerPrivate;
while (wp->GetParent()) {
wp = wp->GetParent();
}
nsCOMPtr<nsPIDOMWindowInner> window = wp->GetWindow();
if (!window) {
RunWindowless(aWorkerPrivate);
} else {
RunWithWindow(aWorkerPrivate, window);
}
}
void RunWithWindow(WorkerPrivate* aWorkerPrivate,
nsPIDOMWindowInner* aWindow) {
MOZ_ASSERT(aWorkerPrivate);
AssertIsOnMainThread();
AutoJSAPI jsapi;
MOZ_ASSERT(aWindow);
RefPtr<nsGlobalWindowInner> win = nsGlobalWindowInner::Cast(aWindow);
if (NS_WARN_IF(!jsapi.Init(win))) {
return;
}
nsCOMPtr<nsPIDOMWindowOuter> outerWindow = aWindow->GetOuterWindow();
if (NS_WARN_IF(!outerWindow)) {
return;
}
RunConsole(jsapi.cx(), aWindow->AsGlobal(), aWorkerPrivate, outerWindow,
aWindow);
}
void RunWindowless(WorkerPrivate* aWorkerPrivate) {
MOZ_ASSERT(aWorkerPrivate);
AssertIsOnMainThread();
WorkerPrivate* wp = aWorkerPrivate;
while (wp->GetParent()) {
wp = wp->GetParent();
}
MOZ_ASSERT(!wp->GetWindow());
AutoJSAPI jsapi;
jsapi.Init();
JSContext* cx = jsapi.cx();
JS::Rooted<JSObject*> global(
cx, mConsoleData->GetOrCreateSandbox(cx, wp->GetPrincipal()));
if (NS_WARN_IF(!global)) {
return;
}
// The GetOrCreateSandbox call returns a proxy to the actual sandbox object.
// We don't need a proxy here.
global = js::UncheckedUnwrap(global);
JSAutoRealm ar(cx, global);
nsCOMPtr<nsIGlobalObject> globalObject = xpc::NativeGlobal(global);
if (NS_WARN_IF(!globalObject)) {
return;
}
RunConsole(cx, globalObject, aWorkerPrivate, nullptr, nullptr);
}
void RunBackOnWorkerThreadForCleanup(WorkerPrivate* aWorkerPrivate) override {
MOZ_ASSERT(aWorkerPrivate);
aWorkerPrivate->AssertIsOnWorkerThread();
}
// This method is called in the main-thread.
virtual void RunConsole(JSContext* aCx, nsIGlobalObject* aGlobal,
WorkerPrivate* aWorkerPrivate,
nsPIDOMWindowOuter* aOuterWindow,
nsPIDOMWindowInner* aInnerWindow) = 0;
bool ForMessaging() const override { return true; }
RefPtr<MainThreadConsoleData> mConsoleData;
};
// This runnable appends a CallData object into the Console queue running on
// the main-thread.
class ConsoleCallDataWorkerRunnable final : public ConsoleWorkerRunnable {
public:
ConsoleCallDataWorkerRunnable(Console* aConsole, ConsoleCallData* aCallData)
: ConsoleWorkerRunnable(aConsole), mCallData(aCallData) {
MOZ_ASSERT(aCallData);
mCallData->AssertIsOnOwningThread();
}
private:
~ConsoleCallDataWorkerRunnable() override = default;
void RunConsole(JSContext* aCx, nsIGlobalObject* aGlobal,
WorkerPrivate* aWorkerPrivate,
nsPIDOMWindowOuter* aOuterWindow,
nsPIDOMWindowInner* aInnerWindow) override {
MOZ_ASSERT(aGlobal);
MOZ_ASSERT(aWorkerPrivate);
AssertIsOnMainThread();
// The windows have to run in parallel.
MOZ_ASSERT(!!aOuterWindow == !!aInnerWindow);
if (aOuterWindow) {
mCallData->SetIDs(aOuterWindow->WindowID(), aInnerWindow->WindowID());
} else {
ConsoleStackEntry frame;
if (mCallData->mTopStackFrame) {
frame = *mCallData->mTopStackFrame;
}
nsString id = frame.mFilename;
nsString innerID;
if (aWorkerPrivate->IsSharedWorker()) {
innerID = NS_LITERAL_STRING("SharedWorker");
} else if (aWorkerPrivate->IsServiceWorker()) {
innerID = NS_LITERAL_STRING("ServiceWorker");
// Use scope as ID so the webconsole can decide if the message should
// show up per tab
CopyASCIItoUTF16(aWorkerPrivate->ServiceWorkerScope(), id);
} else {
innerID = NS_LITERAL_STRING("Worker");
}
mCallData->SetIDs(id, innerID);
}
mClonedData.mGlobal = aGlobal;
ProcessCallData(aCx, mConsoleData, mCallData);
mClonedData.mGlobal = nullptr;
}
RefPtr<ConsoleCallData> mCallData;
};
// This runnable calls ProfileMethod() on the console on the main-thread.
class ConsoleProfileWorkletRunnable final : public ConsoleWorkletRunnable {
public:
static already_AddRefed<ConsoleProfileWorkletRunnable> Create(
JSContext* aCx, Console* aConsole, Console::MethodName aName,
const nsAString& aAction, const Sequence<JS::Value>& aArguments) {
WorkletThread::AssertIsOnWorkletThread();
RefPtr<ConsoleProfileWorkletRunnable> runnable =
new ConsoleProfileWorkletRunnable(aConsole, aName, aAction);
if (!runnable->WriteArguments(aCx, aArguments)) {
return nullptr;
}
return runnable.forget();
}
private:
ConsoleProfileWorkletRunnable(Console* aConsole, Console::MethodName aName,
const nsAString& aAction)
: ConsoleWorkletRunnable(aConsole), mName(aName), mAction(aAction) {
MOZ_ASSERT(aConsole);
}
NS_IMETHOD Run() override {
AssertIsOnMainThread();
AutoSafeJSContext cx;
JSObject* sandbox =
mConsoleData->GetOrCreateSandbox(cx, mWorkletImpl->Principal());
JS::Rooted<JSObject*> global(cx, sandbox);
if (NS_WARN_IF(!global)) {
return NS_ERROR_FAILURE;
}
// The CreateSandbox call returns a proxy to the actual sandbox object. We
// don't need a proxy here.
global = js::UncheckedUnwrap(global);
JSAutoRealm ar(cx, global);
// We don't need to set a parent object in mCallData bacause there are not
// DOM objects exposed to worklet.
ProcessProfileData(cx, mName, mAction);
return NS_OK;
}
Console::MethodName mName;
nsString mAction;
};
// This runnable calls ProfileMethod() on the console on the main-thread.
class ConsoleProfileWorkerRunnable final : public ConsoleWorkerRunnable {
public:
ConsoleProfileWorkerRunnable(Console* aConsole, Console::MethodName aName,
const nsAString& aAction)
: ConsoleWorkerRunnable(aConsole), mName(aName), mAction(aAction) {
MOZ_ASSERT(aConsole);
}
private:
void RunConsole(JSContext* aCx, nsIGlobalObject* aGlobal,
WorkerPrivate* aWorkerPrivate,
nsPIDOMWindowOuter* aOuterWindow,
nsPIDOMWindowInner* aInnerWindow) override {
AssertIsOnMainThread();
MOZ_ASSERT(aGlobal);
mClonedData.mGlobal = aGlobal;
ProcessProfileData(aCx, mName, mAction);
mClonedData.mGlobal = nullptr;
}
Console::MethodName mName;
nsString mAction;
};
NS_IMPL_CYCLE_COLLECTION_MULTI_ZONE_JSHOLDER_CLASS(Console)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Console)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mConsoleEventNotifier)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mDumpFunction)
NS_IMPL_CYCLE_COLLECTION_UNLINK_WEAK_REFERENCE
tmp->Shutdown();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Console)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mConsoleEventNotifier)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDumpFunction)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(Console)
for (uint32_t i = 0; i < tmp->mArgumentStorage.length(); ++i) {
tmp->mArgumentStorage[i].Trace(aCallbacks, aClosure);
}
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(Console)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Console)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Console)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END
/* static */
already_AddRefed<Console> Console::Create(JSContext* aCx,
nsPIDOMWindowInner* aWindow,
ErrorResult& aRv) {
MOZ_ASSERT_IF(NS_IsMainThread(), aWindow);
uint64_t outerWindowID = 0;
uint64_t innerWindowID = 0;
if (aWindow) {
innerWindowID = aWindow->WindowID();
// Without outerwindow any console message coming from this object will not
// shown in the devtools webconsole. But this should be fine because
// probably we are shutting down, or the window is CCed/GCed.
nsPIDOMWindowOuter* outerWindow = aWindow->GetOuterWindow();
if (outerWindow) {
outerWindowID = outerWindow->WindowID();
}
}
RefPtr<Console> console = new Console(aCx, nsGlobalWindowInner::Cast(aWindow),
outerWindowID, innerWindowID);
console->Initialize(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return console.forget();
}
/* static */
already_AddRefed<Console> Console::CreateForWorklet(JSContext* aCx,
nsIGlobalObject* aGlobal,
uint64_t aOuterWindowID,
uint64_t aInnerWindowID,
ErrorResult& aRv) {
WorkletThread::AssertIsOnWorkletThread();
RefPtr<Console> console =
new Console(aCx, aGlobal, aOuterWindowID, aInnerWindowID);
console->Initialize(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return console.forget();
}
Console::Console(JSContext* aCx, nsIGlobalObject* aGlobal,
uint64_t aOuterWindowID, uint64_t aInnerWindowID)
: mGlobal(aGlobal),
mOuterID(aOuterWindowID),
mInnerID(aInnerWindowID),
mDumpToStdout(false),
mChromeInstance(false),
mMaxLogLevel(ConsoleLogLevel::All),
mStatus(eUnknown),
mCreationTimeStamp(TimeStamp::Now()) {
// Let's enable the dumping to stdout by default for chrome.
if (nsContentUtils::ThreadsafeIsSystemCaller(aCx)) {
mDumpToStdout = StaticPrefs::devtools_console_stdout_chrome();
} else {
mDumpToStdout = StaticPrefs::devtools_console_stdout_content();
}
mozilla::HoldJSObjects(this);
}
Console::~Console() {
AssertIsOnOwningThread();
Shutdown();
mozilla::DropJSObjects(this);
}
void Console::Initialize(ErrorResult& aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(mStatus == eUnknown);
if (NS_IsMainThread()) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (NS_WARN_IF(!obs)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
if (mInnerID) {
aRv = obs->AddObserver(this, "inner-window-destroyed", true);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
aRv = obs->AddObserver(this, "memory-pressure", true);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
mStatus = eInitialized;
}
void Console::Shutdown() {
AssertIsOnOwningThread();
if (mStatus == eUnknown || mStatus == eShuttingDown) {
return;
}
if (NS_IsMainThread()) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(this, "inner-window-destroyed");
obs->RemoveObserver(this, "memory-pressure");
}
}
mTimerRegistry.Clear();
mCounterRegistry.Clear();
ClearStorage();
mCallDataStorage.Clear();
mStatus = eShuttingDown;
}
NS_IMETHODIMP
Console::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
AssertIsOnMainThread();
if (!strcmp(aTopic, "inner-window-destroyed")) {
nsCOMPtr<nsISupportsPRUint64> wrapper = do_QueryInterface(aSubject);
NS_ENSURE_TRUE(wrapper, NS_ERROR_FAILURE);
uint64_t innerID;
nsresult rv = wrapper->GetData(&innerID);
NS_ENSURE_SUCCESS(rv, rv);
if (innerID == mInnerID) {
Shutdown();
}
return NS_OK;
}
if (!strcmp(aTopic, "memory-pressure")) {
ClearStorage();
return NS_OK;
}
return NS_OK;
}
void Console::ClearStorage() {
mCallDataStorage.Clear();
mArgumentStorage.clearAndFree();
}
#define METHOD(name, string) \
/* static */ void Console::name(const GlobalObject& aGlobal, \
const Sequence<JS::Value>& aData) { \
Method(aGlobal, Method##name, NS_LITERAL_STRING(string), aData); \
}
METHOD(Log, "log")
METHOD(Info, "info")
METHOD(Warn, "warn")
METHOD(Error, "error")
METHOD(Exception, "exception")
METHOD(Debug, "debug")
METHOD(Table, "table")
METHOD(Trace, "trace")
// Displays an interactive listing of all the properties of an object.
METHOD(Dir, "dir");
METHOD(Dirxml, "dirxml");
METHOD(Group, "group")
METHOD(GroupCollapsed, "groupCollapsed")
#undef METHOD
/* static */
void Console::Clear(const GlobalObject& aGlobal) {
const Sequence<JS::Value> data;
Method(aGlobal, MethodClear, NS_LITERAL_STRING("clear"), data);
}
/* static */
void Console::GroupEnd(const GlobalObject& aGlobal) {
const Sequence<JS::Value> data;
Method(aGlobal, MethodGroupEnd, NS_LITERAL_STRING("groupEnd"), data);
}
/* static */
void Console::Time(const GlobalObject& aGlobal, const nsAString& aLabel) {
StringMethod(aGlobal, aLabel, Sequence<JS::Value>(), MethodTime,
NS_LITERAL_STRING("time"));
}
/* static */
void Console::TimeEnd(const GlobalObject& aGlobal, const nsAString& aLabel) {
StringMethod(aGlobal, aLabel, Sequence<JS::Value>(), MethodTimeEnd,
NS_LITERAL_STRING("timeEnd"));
}
/* static */
void Console::TimeLog(const GlobalObject& aGlobal, const nsAString& aLabel,
const Sequence<JS::Value>& aData) {
StringMethod(aGlobal, aLabel, aData, MethodTimeLog,
NS_LITERAL_STRING("timeLog"));
}
/* static */
void Console::StringMethod(const GlobalObject& aGlobal, const nsAString& aLabel,
const Sequence<JS::Value>& aData,
MethodName aMethodName,
const nsAString& aMethodString) {
RefPtr<Console> console = GetConsole(aGlobal);
if (!console) {
return;
}
console->StringMethodInternal(aGlobal.Context(), aLabel, aData, aMethodName,
aMethodString);
}
void Console::StringMethodInternal(JSContext* aCx, const nsAString& aLabel,
const Sequence<JS::Value>& aData,
MethodName aMethodName,
const nsAString& aMethodString) {
ConsoleCommon::ClearException ce(aCx);
Sequence<JS::Value> data;
SequenceRooter<JS::Value> rooter(aCx, &data);
JS::Rooted<JS::Value> value(aCx);
if (!dom::ToJSValue(aCx, aLabel, &value)) {
return;
}
if (!data.AppendElement(value, fallible)) {
return;
}
for (uint32_t i = 0; i < aData.Length(); ++i) {
if (!data.AppendElement(aData[i], fallible)) {
return;
}
}
MethodInternal(aCx, aMethodName, aMethodString, data);
}
/* static */
void Console::TimeStamp(const GlobalObject& aGlobal,
const JS::Handle<JS::Value> aData) {
JSContext* cx = aGlobal.Context();
ConsoleCommon::ClearException ce(cx);
Sequence<JS::Value> data;
SequenceRooter<JS::Value> rooter(cx, &data);
if (aData.isString() && !data.AppendElement(aData, fallible)) {
return;
}
Method(aGlobal, MethodTimeStamp, NS_LITERAL_STRING("timeStamp"), data);
}
/* static */
void Console::Profile(const GlobalObject& aGlobal,
const Sequence<JS::Value>& aData) {
ProfileMethod(aGlobal, MethodProfile, NS_LITERAL_STRING("profile"), aData);
}
/* static */
void Console::ProfileEnd(const GlobalObject& aGlobal,
const Sequence<JS::Value>& aData) {
ProfileMethod(aGlobal, MethodProfileEnd, NS_LITERAL_STRING("profileEnd"),
aData);
}
/* static */
void Console::ProfileMethod(const GlobalObject& aGlobal, MethodName aName,
const nsAString& aAction,
const Sequence<JS::Value>& aData) {
RefPtr<Console> console = GetConsole(aGlobal);
if (!console) {
return;
}
JSContext* cx = aGlobal.Context();
console->ProfileMethodInternal(cx, aName, aAction, aData);
}
bool Console::IsEnabled(JSContext* aCx) const {
// Console is always enabled if it is a custom Chrome-Only instance.
if (mChromeInstance) {
return true;
}
// Make all Console API no-op if DevTools aren't enabled.
return StaticPrefs::devtools_enabled();
}
void Console::ProfileMethodInternal(JSContext* aCx, MethodName aMethodName,
const nsAString& aAction,
const Sequence<JS::Value>& aData) {
if (!IsEnabled(aCx)) {
return;
}
if (!ShouldProceed(aMethodName)) {
return;
}
MaybeExecuteDumpFunction(aCx, aAction, aData, nullptr);
if (WorkletThread::IsOnWorkletThread()) {
RefPtr<ConsoleProfileWorkletRunnable> runnable =
ConsoleProfileWorkletRunnable::Create(aCx, this, aMethodName, aAction,
aData);
if (!runnable) {
return;
}
NS_DispatchToMainThread(runnable.forget());
return;
}
if (!NS_IsMainThread()) {
// Here we are in a worker thread.
RefPtr<ConsoleProfileWorkerRunnable> runnable =
new ConsoleProfileWorkerRunnable(this, aMethodName, aAction);
runnable->Dispatch(aCx, aData);
return;
}
ProfileMethodMainthread(aCx, aAction, aData);
}
// static
void Console::ProfileMethodMainthread(JSContext* aCx, const nsAString& aAction,
const Sequence<JS::Value>& aData) {
MOZ_ASSERT(NS_IsMainThread());
ConsoleCommon::ClearException ce(aCx);
RootedDictionary<ConsoleProfileEvent> event(aCx);
event.mAction = aAction;
event.mChromeContext = nsContentUtils::ThreadsafeIsSystemCaller(aCx);
event.mArguments.Construct();
Sequence<JS::Value>& sequence = event.mArguments.Value();
for (uint32_t i = 0; i < aData.Length(); ++i) {
if (!sequence.AppendElement(aData[i], fallible)) {
return;
}
}
JS::Rooted<JS::Value> eventValue(aCx);
if (!ToJSValue(aCx, event, &eventValue)) {
return;
}
JS::Rooted<JSObject*> eventObj(aCx, &eventValue.toObject());
MOZ_ASSERT(eventObj);
if (!JS_DefineProperty(aCx, eventObj, "wrappedJSObject", eventValue,
JSPROP_ENUMERATE)) {
return;
}
nsIXPConnect* xpc = nsContentUtils::XPConnect();
nsCOMPtr<nsISupports> wrapper;
const nsIID& iid = NS_GET_IID(nsISupports);
if (NS_FAILED(xpc->WrapJS(aCx, eventObj, iid, getter_AddRefs(wrapper)))) {
return;
}
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->NotifyObservers(wrapper, "console-api-profiler", nullptr);
}
}
/* static */
void Console::Assert(const GlobalObject& aGlobal, bool aCondition,
const Sequence<JS::Value>& aData) {
if (!aCondition) {
Method(aGlobal, MethodAssert, NS_LITERAL_STRING("assert"), aData);
}
}
/* static */
void Console::Count(const GlobalObject& aGlobal, const nsAString& aLabel) {
StringMethod(aGlobal, aLabel, Sequence<JS::Value>(), MethodCount,
NS_LITERAL_STRING("count"));
}
/* static */
void Console::CountReset(const GlobalObject& aGlobal, const nsAString& aLabel) {
StringMethod(aGlobal, aLabel, Sequence<JS::Value>(), MethodCountReset,
NS_LITERAL_STRING("countReset"));
}
namespace {
void StackFrameToStackEntry(JSContext* aCx, nsIStackFrame* aStackFrame,
ConsoleStackEntry& aStackEntry) {
MOZ_ASSERT(aStackFrame);
aStackFrame->GetFilename(aCx, aStackEntry.mFilename);
aStackEntry.mSourceId = aStackFrame->GetSourceId(aCx);
aStackEntry.mLineNumber = aStackFrame->GetLineNumber(aCx);
aStackEntry.mColumnNumber = aStackFrame->GetColumnNumber(aCx);
aStackFrame->GetName(aCx, aStackEntry.mFunctionName);
nsString cause;
aStackFrame->GetAsyncCause(aCx, cause);
if (!cause.IsEmpty()) {
aStackEntry.mAsyncCause.Construct(cause);
}
}
void ReifyStack(JSContext* aCx, nsIStackFrame* aStack,
nsTArray<ConsoleStackEntry>& aRefiedStack) {
nsCOMPtr<nsIStackFrame> stack(aStack);
while (stack) {
ConsoleStackEntry& data = *aRefiedStack.AppendElement();
StackFrameToStackEntry(aCx, stack, data);
nsCOMPtr<nsIStackFrame> caller = stack->GetCaller(aCx);
if (!caller) {
caller = stack->GetAsyncCaller(aCx);
}
stack.swap(caller);
}
}
} // anonymous namespace
// Queue a call to a console method. See the CALL_DELAY constant.
/* static */
void Console::Method(const GlobalObject& aGlobal, MethodName aMethodName,
const nsAString& aMethodString,
const Sequence<JS::Value>& aData) {
RefPtr<Console> console = GetConsole(aGlobal);
if (!console) {
return;
}
console->MethodInternal(aGlobal.Context(), aMethodName, aMethodString, aData);
}
void Console::MethodInternal(JSContext* aCx, MethodName aMethodName,
const nsAString& aMethodString,
const Sequence<JS::Value>& aData) {
if (!IsEnabled(aCx)) {
return;
}
if (!ShouldProceed(aMethodName)) {
return;
}
AssertIsOnOwningThread();
ConsoleCommon::ClearException ce(aCx);
RefPtr<ConsoleCallData> callData =
new ConsoleCallData(aMethodName, aMethodString, this);
if (!StoreCallData(aCx, callData, aData)) {
return;
}
OriginAttributes oa;
if (NS_IsMainThread()) {
if (mGlobal) {
// Save the principal's OriginAttributes in the console event data
// so that we will be able to filter messages by origin attributes.
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(mGlobal);
if (NS_WARN_IF(!sop)) {
return;
}
nsCOMPtr<nsIPrincipal> principal = sop->GetPrincipal();
if (NS_WARN_IF(!principal)) {
return;
}
oa = principal->OriginAttributesRef();
callData->SetAddonId(principal);
#ifdef DEBUG
if (!principal->IsSystemPrincipal()) {
nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(mGlobal);
if (webNav) {
nsCOMPtr<nsILoadContext> loadContext = do_QueryInterface(webNav);
MOZ_ASSERT(loadContext);
bool pb;
if (NS_SUCCEEDED(loadContext->GetUsePrivateBrowsing(&pb))) {
MOZ_ASSERT(pb == !!oa.mPrivateBrowsingId);
}
}
}
#endif
}
} else if (WorkletThread::IsOnWorkletThread()) {
nsCOMPtr<WorkletGlobalScope> global = do_QueryInterface(mGlobal);
MOZ_ASSERT(global);
oa = global->Impl()->OriginAttributesRef();
} else {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
oa = workerPrivate->GetOriginAttributes();
}
callData->SetOriginAttributes(oa);
JS::StackCapture captureMode =
ShouldIncludeStackTrace(aMethodName)
? JS::StackCapture(JS::MaxFrames(DEFAULT_MAX_STACKTRACE_DEPTH))
: JS::StackCapture(JS::FirstSubsumedFrame(aCx));
nsCOMPtr<nsIStackFrame> stack = CreateStack(aCx, std::move(captureMode));
if (stack) {
callData->mTopStackFrame.emplace();
StackFrameToStackEntry(aCx, stack, *callData->mTopStackFrame);
}
if (NS_IsMainThread()) {
callData->mStack = stack;
} else {
// nsIStackFrame is not threadsafe, so we need to snapshot it now,
// before we post our runnable to the main thread.
callData->mReifiedStack.emplace();
ReifyStack(aCx, stack, *callData->mReifiedStack);
}
DOMHighResTimeStamp monotonicTimer;
// Monotonic timer for 'time', 'timeLog' and 'timeEnd'
if ((aMethodName == MethodTime || aMethodName == MethodTimeLog ||
aMethodName == MethodTimeEnd || aMethodName == MethodTimeStamp) &&
!MonotonicTimer(aCx, aMethodName, aData, &monotonicTimer)) {
return;
}
if (aMethodName == MethodTime && !aData.IsEmpty()) {
callData->mStartTimerStatus =
StartTimer(aCx, aData[0], monotonicTimer, callData->mStartTimerLabel,
&callData->mStartTimerValue);
}
else if (aMethodName == MethodTimeEnd && !aData.IsEmpty()) {
callData->mLogTimerStatus =
LogTimer(aCx, aData[0], monotonicTimer, callData->mLogTimerLabel,
&callData->mLogTimerDuration, true /* Cancel timer */);
}
else if (aMethodName == MethodTimeLog && !aData.IsEmpty()) {
callData->mLogTimerStatus =
LogTimer(aCx, aData[0], monotonicTimer, callData->mLogTimerLabel,
&callData->mLogTimerDuration, false /* Cancel timer */);
}
else if (aMethodName == MethodCount) {
callData->mCountValue = IncreaseCounter(aCx, aData, callData->mCountLabel);
if (!callData->mCountValue) {
return;
}
}
else if (aMethodName == MethodCountReset) {
callData->mCountValue = ResetCounter(aCx, aData, callData->mCountLabel);
if (callData->mCountLabel.IsEmpty()) {
return;
}
}
// Before processing this CallData differently, it's time to call the dump
// function.
if (aMethodName == MethodTrace || aMethodName == MethodAssert) {
MaybeExecuteDumpFunction(aCx, aMethodString, aData, stack);
} else if ((aMethodName == MethodTime || aMethodName == MethodTimeEnd) &&
!aData.IsEmpty()) {
MaybeExecuteDumpFunctionForTime(aCx, aMethodName, aMethodString,
monotonicTimer, aData[0]);
} else {
MaybeExecuteDumpFunction(aCx, aMethodString, aData, nullptr);
}
if (NS_IsMainThread()) {
if (mInnerID) {
callData->SetIDs(mOuterID, mInnerID);
} else if (!mPassedInnerID.IsEmpty()) {
callData->SetIDs(NS_LITERAL_STRING("jsm"), mPassedInnerID);
} else {
nsAutoString filename;
if (callData->mTopStackFrame.isSome()) {
filename = callData->mTopStackFrame->mFilename;
}
callData->SetIDs(NS_LITERAL_STRING("jsm"), filename);
}
GetOrCreateMainThreadData()->ProcessCallData(aCx, callData, aData);
// Just because we don't want to expose
// retrieveConsoleEvents/setConsoleEventHandler to main-thread, we can
// cleanup the mCallDataStorage:
UnstoreCallData(callData);
return;
}
if (WorkletThread::IsOnWorkletThread()) {
RefPtr<ConsoleCallDataWorkletRunnable> runnable =
ConsoleCallDataWorkletRunnable::Create(aCx, this, callData, aData);
if (!runnable) {
return;
}
NS_DispatchToMainThread(runnable);
return;
}
// We do this only in workers for now.
NotifyHandler(aCx, aData, callData);
if (StaticPrefs::dom_worker_console_dispatch_events_to_main_thread()) {
RefPtr<ConsoleCallDataWorkerRunnable> runnable =
new ConsoleCallDataWorkerRunnable(this, callData);
Unused << NS_WARN_IF(!runnable->Dispatch(aCx, aData));
}
}
MainThreadConsoleData* Console::GetOrCreateMainThreadData() {
AssertIsOnOwningThread();
if (!mMainThreadData) {
mMainThreadData = new MainThreadConsoleData();
}
return mMainThreadData;
}
// We store information to lazily compute the stack in the reserved slots of
// LazyStackGetter. The first slot always stores a JS object: it's either the
// JS wrapper of the nsIStackFrame or the actual reified stack representation.
// The second slot is a PrivateValue() holding an nsIStackFrame* when we haven't
// reified the stack yet, or an UndefinedValue() otherwise.
enum { SLOT_STACKOBJ, SLOT_RAW_STACK };
bool LazyStackGetter(JSContext* aCx, unsigned aArgc, JS::Value* aVp) {
JS::CallArgs args = CallArgsFromVp(aArgc, aVp);
JS::Rooted<JSObject*> callee(aCx, &args.callee());
JS::Value v = js::GetFunctionNativeReserved(&args.callee(), SLOT_RAW_STACK);
if (v.isUndefined()) {
// Already reified.
args.rval().set(js::GetFunctionNativeReserved(callee, SLOT_STACKOBJ));
return true;
}
nsIStackFrame* stack = reinterpret_cast<nsIStackFrame*>(v.toPrivate());
nsTArray<ConsoleStackEntry> reifiedStack;
ReifyStack(aCx, stack, reifiedStack);
JS::Rooted<JS::Value> stackVal(aCx);
if (NS_WARN_IF(!ToJSValue(aCx, reifiedStack, &stackVal))) {
return false;
}
MOZ_ASSERT(stackVal.isObject());
js::SetFunctionNativeReserved(callee, SLOT_STACKOBJ, stackVal);
js::SetFunctionNativeReserved(callee, SLOT_RAW_STACK, JS::UndefinedValue());
args.rval().set(stackVal);
return true;
}
void MainThreadConsoleData::ProcessCallData(
JSContext* aCx, ConsoleCallData* aData,
const Sequence<JS::Value>& aArguments) {
AssertIsOnMainThread();
MOZ_ASSERT(aData);
JS::Rooted<JS::Value> eventValue(aCx);
// We want to create a console event object and pass it to our
// nsIConsoleAPIStorage implementation. We want to define some accessor
// properties on this object, and those will need to keep an nsIStackFrame
// alive. But nsIStackFrame cannot be wrapped in an untrusted scope. And
// further, passing untrusted objects to system code is likely to run afoul of
// Object Xrays. So we want to wrap in a system-principal scope here. But
// which one? We could cheat and try to get the underlying JSObject* of
// mStorage, but that's a bit fragile. Instead, we just use the junk scope,
// with explicit permission from the XPConnect module owner. If you're
// tempted to do that anywhere else, talk to said module owner first.
// aCx and aArguments are in the same compartment.
JS::Rooted<JSObject*> targetScope(aCx, xpc::PrivilegedJunkScope());
if (NS_WARN_IF(!Console::PopulateConsoleNotificationInTheTargetScope(
aCx, aArguments, targetScope, &eventValue, aData, &mGroupStack))) {
return;
}
if (!mStorage) {
mStorage = do_GetService("@mozilla.org/consoleAPI-storage;1");
}
if (!mStorage) {
NS_WARNING("Failed to get the ConsoleAPIStorage service.");
return;
}
nsAutoString innerID, outerID;
MOZ_ASSERT(aData->mIDType != ConsoleCallData::eUnknown);
if (aData->mIDType == ConsoleCallData::eString) {
outerID = aData->mOuterIDString;
innerID = aData->mInnerIDString;
} else {
MOZ_ASSERT(aData->mIDType == ConsoleCallData::eNumber);
outerID.AppendInt(aData->mOuterIDNumber);
innerID.AppendInt(aData->mInnerIDNumber);
}
if (aData->mMethodName == Console::MethodClear) {
DebugOnly<nsresult> rv = mStorage->ClearEvents(innerID);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "ClearEvents failed");
}
if (NS_FAILED(mStorage->RecordEvent(innerID, outerID, eventValue))) {
NS_WARNING("Failed to record a console event.");
}
}
/* static */
bool Console::PopulateConsoleNotificationInTheTargetScope(
JSContext* aCx, const Sequence<JS::Value>& aArguments,
JS::Handle<JSObject*> aTargetScope,
JS::MutableHandle<JS::Value> aEventValue, ConsoleCallData* aData,
nsTArray<nsString>* aGroupStack) {
MOZ_ASSERT(aCx);
MOZ_ASSERT(aData);
MOZ_ASSERT(aTargetScope);
MOZ_ASSERT(JS_IsGlobalObject(aTargetScope));
ConsoleStackEntry frame;
if (aData->mTopStackFrame) {
frame = *aData->mTopStackFrame;
}
ConsoleCommon::ClearException ce(aCx);
RootedDictionary<ConsoleEvent> event(aCx);
event.mAddonId = aData->mAddonId;
event.mID.Construct();
event.mInnerID.Construct();
event.mChromeContext = nsContentUtils::ThreadsafeIsSystemCaller(aCx);
if (aData->mIDType == ConsoleCallData::eString) {
event.mID.Value().SetAsString() = aData->mOuterIDString;
event.mInnerID.Value().SetAsString() = aData->mInnerIDString;
} else if (aData->mIDType == ConsoleCallData::eNumber) {
event.mID.Value().SetAsUnsignedLongLong() = aData->mOuterIDNumber;
event.mInnerID.Value().SetAsUnsignedLongLong() = aData->mInnerIDNumber;
} else {
// aData->mIDType can be eUnknown when we dispatch notifications via
// mConsoleEventNotifier.
event.mID.Value().SetAsUnsignedLongLong() = 0;
event.mInnerID.Value().SetAsUnsignedLongLong() = 0;
}
event.mConsoleID = aData->mConsoleID;
event.mLevel = aData->mMethodString;
event.mFilename = frame.mFilename;
event.mPrefix = aData->mPrefix;
nsCOMPtr<nsIURI> filenameURI;
nsAutoCString pass;
if (NS_IsMainThread() &&
NS_SUCCEEDED(NS_NewURI(getter_AddRefs(filenameURI), frame.mFilename)) &&
NS_SUCCEEDED(filenameURI->GetPassword(pass)) && !pass.IsEmpty()) {
nsCOMPtr<nsISensitiveInfoHiddenURI> safeURI =
do_QueryInterface(filenameURI);
nsAutoCString spec;
if (safeURI && NS_SUCCEEDED(safeURI->GetSensitiveInfoHiddenSpec(spec))) {
CopyUTF8toUTF16(spec, event.mFilename);
}
}
event.mSourceId = frame.mSourceId;
event.mLineNumber = frame.mLineNumber;
event.mColumnNumber = frame.mColumnNumber;
event.mFunctionName = frame.mFunctionName;
event.mTimeStamp = aData->mTimeStamp;
event.mPrivate = !!aData->mOriginAttributes.mPrivateBrowsingId;
switch (aData->mMethodName) {
case MethodLog:
case MethodInfo:
case MethodWarn:
case MethodError:
case MethodException:
case MethodDebug:
case MethodAssert:
case MethodGroup:
case MethodGroupCollapsed:
event.mArguments.Construct();
event.mStyles.Construct();
if (NS_WARN_IF(!ProcessArguments(aCx, aArguments,
event.mArguments.Value(),
event.mStyles.Value()))) {
return false;
}
break;
default:
event.mArguments.Construct();
if (NS_WARN_IF(
!event.mArguments.Value().AppendElements(aArguments, fallible))) {
return false;
}
}
if (aData->mMethodName == MethodGroup ||
aData->mMethodName == MethodGroupCollapsed) {
ComposeAndStoreGroupName(aCx, event.mArguments.Value(), event.mGroupName,
aGroupStack);
}
else if (aData->mMethodName == MethodGroupEnd) {
if (!UnstoreGroupName(event.mGroupName, aGroupStack)) {
return false;
}
}
else if (aData->mMethodName == MethodTime && !aArguments.IsEmpty()) {
event.mTimer = CreateStartTimerValue(aCx, aData->mStartTimerLabel,
aData->mStartTimerStatus);
}
else if ((aData->mMethodName == MethodTimeEnd ||
aData->mMethodName == MethodTimeLog) &&
!aArguments.IsEmpty()) {
event.mTimer = CreateLogOrEndTimerValue(aCx, aData->mLogTimerLabel,
aData->mLogTimerDuration,
aData->mLogTimerStatus);
}
else if (aData->mMethodName == MethodCount ||
aData->mMethodName == MethodCountReset) {
event.mCounter = CreateCounterOrResetCounterValue(aCx, aData->mCountLabel,
aData->mCountValue);
}
JSAutoRealm ar2(aCx, aTargetScope);
if (NS_WARN_IF(!ToJSValue(aCx, event, aEventValue))) {
return false;
}
JS::Rooted<JSObject*> eventObj(aCx, &aEventValue.toObject());
if (NS_WARN_IF(!JS_DefineProperty(aCx, eventObj, "wrappedJSObject", eventObj,
JSPROP_ENUMERATE))) {
return false;
}
if (ShouldIncludeStackTrace(aData->mMethodName)) {
// Now define the "stacktrace" property on eventObj. There are two cases
// here. Either we came from a worker and have a reified stack, or we want
// to define a getter that will lazily reify the stack.
if (aData->mReifiedStack) {
JS::Rooted<JS::Value> stacktrace(aCx);
if (NS_WARN_IF(!ToJSValue(aCx, *aData->mReifiedStack, &stacktrace)) ||
NS_WARN_IF(!JS_DefineProperty(aCx, eventObj, "stacktrace", stacktrace,
JSPROP_ENUMERATE))) {
return false;
}
} else {
JSFunction* fun =
js::NewFunctionWithReserved(aCx, LazyStackGetter, 0, 0, "stacktrace");
if (NS_WARN_IF(!fun)) {
return false;
}
JS::Rooted<JSObject*> funObj(aCx, JS_GetFunctionObject(fun));
// We want to store our stack in the function and have it stay alive. But
// we also need sane access to the C++ nsIStackFrame. So store both a JS
// wrapper and the raw pointer: the former will keep the latter alive.
JS::Rooted<JS::Value> stackVal(aCx);
nsresult rv = nsContentUtils::WrapNative(aCx, aData->mStack, &stackVal);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
js::SetFunctionNativeReserved(funObj, SLOT_STACKOBJ, stackVal);
js::SetFunctionNativeReserved(funObj, SLOT_RAW_STACK,
JS::PrivateValue(aData->mStack.get()));
if (NS_WARN_IF(!JS_DefineProperty(
aCx, eventObj, "stacktrace", funObj, nullptr,
JSPROP_ENUMERATE | JSPROP_GETTER | JSPROP_SETTER))) {
return false;
}
}
}
return true;
}
namespace {
// Helper method for ProcessArguments. Flushes output, if non-empty, to
// aSequence.
bool FlushOutput(JSContext* aCx, Sequence<JS::Value>& aSequence,
nsString& aOutput) {
if (!aOutput.IsEmpty()) {
JS::Rooted<JSString*> str(
aCx, JS_NewUCStringCopyN(aCx, aOutput.get(), aOutput.Length()));
if (NS_WARN_IF(!str)) {
return false;
}
if (NS_WARN_IF(!aSequence.AppendElement(JS::StringValue(str), fallible))) {
return false;
}
aOutput.Truncate();
}
return true;
}
} // namespace
static void MakeFormatString(nsCString& aFormat, int32_t aInteger,
int32_t aMantissa, char aCh) {
aFormat.Append('%');
if (aInteger >= 0) {
aFormat.AppendInt(aInteger);
}
if (aMantissa >= 0) {
aFormat.Append('.');
aFormat.AppendInt(aMantissa);
}
aFormat.Append(aCh);
}
// If the first JS::Value of the array is a string, this method uses it to
// format a string. The supported sequences are:
// %s - string
// %d,%i - integer
// %f - double
// %o,%O - a JS object.
// %c - style string.
// The output is an array where any object is a separated item, the rest is
// unified in a format string.
// Example if the input is:
// "string: %s, integer: %d, object: %o, double: %d", 's', 1, window, 0.9
// The output will be:
// [ "string: s, integer: 1, object: ", window, ", double: 0.9" ]
//
// The aStyles array is populated with the style strings that the function
// finds based the format string. The index of the styles matches the indexes
// of elements that need the custom styling from aSequence. For elements with
// no custom styling the array is padded with null elements.
static bool ProcessArguments(JSContext* aCx, const Sequence<JS::Value>& aData,
Sequence<JS::Value>& aSequence,
Sequence<nsString>& aStyles) {
// This method processes the arguments as format strings (%d, %i, %s...)
// only if the first element of them is a valid and not-empty string.
if (aData.IsEmpty()) {
return true;
}
if (aData.Length() == 1 || !aData[0].isString()) {
return aSequence.AppendElements(aData, fallible);
}
JS::Rooted<JS::Value> format(aCx, aData[0]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, format));
if (NS_WARN_IF(!jsString)) {
return false;
}
nsAutoJSString string;
if (NS_WARN_IF(!string.init(aCx, jsString))) {
return false;
}
if (string.IsEmpty()) {
return aSequence.AppendElements(aData, fallible);
}
nsString::const_iterator start, end;
string.BeginReading(start);
string.EndReading(end);
nsString output;
uint32_t index = 1;
while (start != end) {
if (*start != '%') {
output.Append(*start);
++start;
continue;
}
++start;
if (start == end) {
output.Append('%');
break;
}
if (*start == '%') {
output.Append(*start);
++start;
continue;
}
nsAutoString tmp;
tmp.Append('%');
int32_t integer = -1;
int32_t mantissa = -1;
// Let's parse %<number>.<number> for %d and %f
if (*start >= '0' && *start <= '9') {
integer = 0;
do {
integer = integer * 10 + *start - '0';
tmp.Append(*start);
++start;
} while (*start >= '0' && *start <= '9' && start != end);
}
if (start == end) {
output.Append(tmp);
break;
}
if (*start == '.') {
tmp.Append(*start);
++start;
if (start == end) {
output.Append(tmp);
break;
}
// '.' must be followed by a number.
if (*start < '0' || *start > '9') {
output.Append(tmp);
continue;
}
mantissa = 0;
do {
mantissa = mantissa * 10 + *start - '0';
tmp.Append(*start);
++start;
} while (*start >= '0' && *start <= '9' && start != end);
if (start == end) {
output.Append(tmp);
break;
}
}
char ch = *start;
tmp.Append(ch);
++start;
switch (ch) {
case 'o':
case 'O': {
if (NS_WARN_IF(!FlushOutput(aCx, aSequence, output))) {
return false;
}
JS::Rooted<JS::Value> v(aCx);
if (index < aData.Length()) {
v = aData[index++];
}
if (NS_WARN_IF(!aSequence.AppendElement(v, fallible))) {
return false;
}
break;
}
case 'c': {
// If there isn't any output but there's already a style, then
// discard the previous style and use the next one instead.
if (output.IsEmpty() && !aStyles.IsEmpty()) {
aStyles.TruncateLength(aStyles.Length() - 1);
}
if (NS_WARN_IF(!FlushOutput(aCx, aSequence, output))) {
return false;
}
if (index < aData.Length()) {
JS::Rooted<JS::Value> v(aCx, aData[index++]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, v));
if (NS_WARN_IF(!jsString)) {
return false;
}
int32_t diff = aSequence.Length() - aStyles.Length();
if (diff > 0) {
for (int32_t i = 0; i < diff; i++) {
if (NS_WARN_IF(!aStyles.AppendElement(VoidString(), fallible))) {
return false;
}
}
}
nsAutoJSString string;
if (NS_WARN_IF(!string.init(aCx, jsString))) {
return false;
}
if (NS_WARN_IF(!aStyles.AppendElement(string, fallible))) {
return false;
}
}
break;
}
case 's':
if (index < aData.Length()) {
JS::Rooted<JS::Value> value(aCx, aData[index++]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
if (NS_WARN_IF(!jsString)) {
return false;
}
nsAutoJSString v;
if (NS_WARN_IF(!v.init(aCx, jsString))) {
return false;
}
output.Append(v);
}
break;
case 'd':
case 'i':
if (index < aData.Length()) {
JS::Rooted<JS::Value> value(aCx, aData[index++]);
int32_t v;
if (NS_WARN_IF(!JS::ToInt32(aCx, value, &v))) {
return false;
}
nsCString format;
MakeFormatString(format, integer, mantissa, 'd');
output.AppendPrintf(format.get(), v);
}
break;
case 'f':
if (index < aData.Length()) {
JS::Rooted<JS::Value> value(aCx, aData[index++]);
double v;
if (NS_WARN_IF(!JS::ToNumber(aCx, value, &v))) {
return false;
}
// nspr returns "nan", but we want to expose it as "NaN"
if (std::isnan(v)) {
output.AppendFloat(v);
} else {
nsCString format;
MakeFormatString(format, integer, mantissa, 'f');
output.AppendPrintf(format.get(), v);
}
}
break;
default:
output.Append(tmp);
break;
}
}
if (NS_WARN_IF(!FlushOutput(aCx, aSequence, output))) {
return false;
}
// Discard trailing style element if there is no output to apply it to.
if (aStyles.Length() > aSequence.Length()) {
aStyles.TruncateLength(aSequence.Length());
}
// The rest of the array, if unused by the format string.
for (; index < aData.Length(); ++index) {
if (NS_WARN_IF(!aSequence.AppendElement(aData[index], fallible))) {
return false;
}
}
return true;
}
// Stringify and Concat all the JS::Value in a single string using ' ' as
// separator. The new group name will be stored in aGroupStack array.
static void ComposeAndStoreGroupName(JSContext* aCx,
const Sequence<JS::Value>& aData,
nsAString& aName,
nsTArray<nsString>* aGroupStack) {
for (uint32_t i = 0; i < aData.Length(); ++i) {
if (i != 0) {
aName.AppendLiteral(" ");
}
JS::Rooted<JS::Value> value(aCx, aData[i]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
if (!jsString) {
return;
}
nsAutoJSString string;
if (!string.init(aCx, jsString)) {
return;
}
aName.Append(string);
}
aGroupStack->AppendElement(aName);
}
// Remove the last group name and return that name. It returns false if
// aGroupStack is empty.
static bool UnstoreGroupName(nsAString& aName,
nsTArray<nsString>* aGroupStack) {
if (aGroupStack->IsEmpty()) {
return false;
}
uint32_t pos = aGroupStack->Length() - 1;
aName = (*aGroupStack)[pos];
aGroupStack->RemoveElementAt(pos);
return true;
}
Console::TimerStatus Console::StartTimer(JSContext* aCx, const JS::Value& aName,
DOMHighResTimeStamp aTimestamp,
nsAString& aTimerLabel,
DOMHighResTimeStamp* aTimerValue) {
AssertIsOnOwningThread();
MOZ_ASSERT(aTimerValue);
*aTimerValue = 0;
if (NS_WARN_IF(mTimerRegistry.Count() >= MAX_PAGE_TIMERS)) {
return eTimerMaxReached;
}
JS::Rooted<JS::Value> name(aCx, aName);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, name));
if (NS_WARN_IF(!jsString)) {
return eTimerJSException;
}
nsAutoJSString label;
if (NS_WARN_IF(!label.init(aCx, jsString))) {
return eTimerJSException;
}
aTimerLabel = label;
auto entry = mTimerRegistry.LookupForAdd(label);
if (entry) {
return eTimerAlreadyExists;
}
entry.OrInsert([&aTimestamp]() { return aTimestamp; });
*aTimerValue = aTimestamp;
return eTimerDone;
}
/* static */
JS::Value Console::CreateStartTimerValue(JSContext* aCx,
const nsAString& aTimerLabel,
TimerStatus aTimerStatus) {
MOZ_ASSERT(aTimerStatus != eTimerUnknown);
if (aTimerStatus != eTimerDone) {
return CreateTimerError(aCx, aTimerLabel, aTimerStatus);
}
RootedDictionary<ConsoleTimerStart> timer(aCx);
timer.mName = aTimerLabel;
JS::Rooted<JS::Value> value(aCx);
if (!ToJSValue(aCx, timer, &value)) {
return JS::UndefinedValue();
}
return value;
}
Console::TimerStatus Console::LogTimer(JSContext* aCx, const JS::Value& aName,
DOMHighResTimeStamp aTimestamp,
nsAString& aTimerLabel,
double* aTimerDuration,
bool aCancelTimer) {
AssertIsOnOwningThread();
MOZ_ASSERT(aTimerDuration);
*aTimerDuration = 0;
JS::Rooted<JS::Value> name(aCx, aName);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, name));
if (NS_WARN_IF(!jsString)) {
return eTimerJSException;
}
nsAutoJSString key;
if (NS_WARN_IF(!key.init(aCx, jsString))) {
return eTimerJSException;
}
aTimerLabel = key;
DOMHighResTimeStamp value = 0;
if (aCancelTimer) {
if (!mTimerRegistry.Remove(key, &value)) {
NS_WARNING("mTimerRegistry entry not found");
return eTimerDoesntExist;
}
} else {
if (!mTimerRegistry.Get(key, &value)) {
NS_WARNING("mTimerRegistry entry not found");
return eTimerDoesntExist;
}
}
*aTimerDuration = aTimestamp - value;
return eTimerDone;
}
/* static */
JS::Value Console::CreateLogOrEndTimerValue(JSContext* aCx,
const nsAString& aLabel,
double aDuration,
TimerStatus aStatus) {
if (aStatus != eTimerDone) {
return CreateTimerError(aCx, aLabel, aStatus);
}
RootedDictionary<ConsoleTimerLogOrEnd> timer(aCx);
timer.mName = aLabel;
timer.mDuration = aDuration;
JS::Rooted<JS::Value> value(aCx);
if (!ToJSValue(aCx, timer, &value)) {
return JS::UndefinedValue();
}
return value;
}
/* static */
JS::Value Console::CreateTimerError(JSContext* aCx, const nsAString& aLabel,
TimerStatus aStatus) {
MOZ_ASSERT(aStatus != eTimerUnknown && aStatus != eTimerDone);
RootedDictionary<ConsoleTimerError> error(aCx);
error.mName = aLabel;
switch (aStatus) {
case eTimerAlreadyExists:
error.mError.AssignLiteral("timerAlreadyExists");
break;
case eTimerDoesntExist:
error.mError.AssignLiteral("timerDoesntExist");
break;
case eTimerJSException:
error.mError.AssignLiteral("timerJSError");
break;
case eTimerMaxReached:
error.mError.AssignLiteral("maxTimersExceeded");
break;
default:
MOZ_CRASH("Unsupported status");
break;
}
JS::Rooted<JS::Value> value(aCx);
if (!ToJSValue(aCx, error, &value)) {
return JS::UndefinedValue();
}
return value;
}
uint32_t Console::IncreaseCounter(JSContext* aCx,
const Sequence<JS::Value>& aArguments,
nsAString& aCountLabel) {
AssertIsOnOwningThread();
ConsoleCommon::ClearException ce(aCx);
MOZ_ASSERT(!aArguments.IsEmpty());
JS::Rooted<JS::Value> labelValue(aCx, aArguments[0]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, labelValue));
if (!jsString) {
return 0; // We cannot continue.
}
nsAutoJSString string;
if (!string.init(aCx, jsString)) {
return 0; // We cannot continue.
}
aCountLabel = string;
const bool maxCountersReached = mCounterRegistry.Count() >= MAX_PAGE_COUNTERS;
auto entry = mCounterRegistry.LookupForAdd(aCountLabel);
if (entry) {
++entry.Data();
} else {
entry.OrInsert([]() { return 1; });
if (maxCountersReached) {
// oops, we speculatively added an entry even though we shouldn't
mCounterRegistry.Remove(aCountLabel);
return MAX_PAGE_COUNTERS;
}
}
return entry.Data();
}
uint32_t Console::ResetCounter(JSContext* aCx,
const Sequence<JS::Value>& aArguments,
nsAString& aCountLabel) {
AssertIsOnOwningThread();
ConsoleCommon::ClearException ce(aCx);
MOZ_ASSERT(!aArguments.IsEmpty());
JS::Rooted<JS::Value> labelValue(aCx, aArguments[0]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, labelValue));
if (!jsString) {
return 0; // We cannot continue.
}
nsAutoJSString string;
if (!string.init(aCx, jsString)) {
return 0; // We cannot continue.
}
aCountLabel = string;
if (mCounterRegistry.Remove(aCountLabel)) {
return 0;
}
// Let's return something different than 0 if the key doesn't exist.
return MAX_PAGE_COUNTERS;
}
// This method generates a ConsoleCounter dictionary as JS::Value. If
// aCountValue is == MAX_PAGE_COUNTERS it generates a ConsoleCounterError
// instead. See IncreaseCounter.
// * aCx - this is the context that will root the returned value.
// * aCountLabel - this label must be what IncreaseCounter received as
// aTimerLabel.
// * aCountValue - the return value of IncreaseCounter.
static JS::Value CreateCounterOrResetCounterValue(JSContext* aCx,
const nsAString& aCountLabel,
uint32_t aCountValue) {
ConsoleCommon::ClearException ce(aCx);
if (aCountValue == MAX_PAGE_COUNTERS) {
RootedDictionary<ConsoleCounterError> error(aCx);
error.mLabel = aCountLabel;
error.mError.AssignLiteral("counterDoesntExist");
JS::Rooted<JS::Value> value(aCx);
if (!ToJSValue(aCx, error, &value)) {
return JS::UndefinedValue();
}
return value;
}
RootedDictionary<ConsoleCounter> data(aCx);
data.mLabel = aCountLabel;
data.mCount = aCountValue;
JS::Rooted<JS::Value> value(aCx);
if (!ToJSValue(aCx, data, &value)) {
return JS::UndefinedValue();
}
return value;
}
/* static */
bool Console::ShouldIncludeStackTrace(MethodName aMethodName) {
switch (aMethodName) {
case MethodError:
case MethodException:
case MethodAssert:
case MethodTrace:
return true;
default:
return false;
}
}
JSObject* MainThreadConsoleData::GetOrCreateSandbox(JSContext* aCx,
nsIPrincipal* aPrincipal) {
AssertIsOnMainThread();
if (!mSandbox) {
nsIXPConnect* xpc = nsContentUtils::XPConnect();
MOZ_ASSERT(xpc, "This should never be null!");
JS::Rooted<JSObject*> sandbox(aCx);
nsresult rv = xpc->CreateSandbox(aCx, aPrincipal, sandbox.address());
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
mSandbox = new JSObjectHolder(aCx, sandbox);
}
return mSandbox->GetJSObject();
}
bool Console::StoreCallData(JSContext* aCx, ConsoleCallData* aCallData,
const Sequence<JS::Value>& aArguments) {
AssertIsOnOwningThread();
if (NS_WARN_IF(!mArgumentStorage.growBy(1))) {
return false;
}
if (!mArgumentStorage.end()[-1].Initialize(aCx, aArguments)) {
mArgumentStorage.shrinkBy(1);
return false;
}
MOZ_ASSERT(aCallData);
MOZ_ASSERT(!mCallDataStorage.Contains(aCallData));
mCallDataStorage.AppendElement(aCallData);
MOZ_ASSERT(mCallDataStorage.Length() == mArgumentStorage.length());
if (mCallDataStorage.Length() > STORAGE_MAX_EVENTS) {
mCallDataStorage.RemoveElementAt(0);
mArgumentStorage.erase(&mArgumentStorage[0]);
}
return true;
}
void Console::UnstoreCallData(ConsoleCallData* aCallData) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallData);
MOZ_ASSERT(mCallDataStorage.Length() == mArgumentStorage.length());
size_t index = mCallDataStorage.IndexOf(aCallData);
// It can be that mCallDataStorage has been already cleaned in case the
// processing of the argument of some Console methods triggers the
// window.close().
if (index == mCallDataStorage.NoIndex) {
return;
}
mCallDataStorage.RemoveElementAt(index);
mArgumentStorage.erase(&mArgumentStorage[index]);
}
void Console::NotifyHandler(JSContext* aCx,
const Sequence<JS::Value>& aArguments,
ConsoleCallData* aCallData) {
AssertIsOnOwningThread();
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aCallData);
if (!mConsoleEventNotifier) {
return;
}
JS::Rooted<JS::Value> value(aCx);
JS::Rooted<JSObject*> callableGlobal(
aCx, mConsoleEventNotifier->CallbackGlobalOrNull());
if (NS_WARN_IF(!callableGlobal)) {
return;
}
// aCx and aArguments are in the same compartment because this method is
// called directly when a Console.something() runs.
// mConsoleEventNotifier->CallbackGlobal() is the scope where value will be
// sent to.
if (NS_WARN_IF(!PopulateConsoleNotificationInTheTargetScope(
aCx, aArguments, callableGlobal, &value, aCallData, &mGroupStack))) {
return;
}
JS::Rooted<JS::Value> ignored(aCx);
RefPtr<AnyCallback> notifier(mConsoleEventNotifier);
notifier->Call(value, &ignored);
}
void Console::RetrieveConsoleEvents(JSContext* aCx,
nsTArray<JS::Value>& aEvents,
ErrorResult& aRv) {
AssertIsOnOwningThread();
// We don't want to expose this functionality to main-thread yet.
MOZ_ASSERT(!NS_IsMainThread());
JS::Rooted<JSObject*> targetScope(aCx, JS::CurrentGlobalOrNull(aCx));
for (uint32_t i = 0; i < mArgumentStorage.length(); ++i) {
JS::Rooted<JS::Value> value(aCx);
JS::Rooted<JSObject*> sequenceScope(aCx, mArgumentStorage[i].Global());
JSAutoRealm ar(aCx, sequenceScope);
Sequence<JS::Value> sequence;
SequenceRooter<JS::Value> arguments(aCx, &sequence);
if (!mArgumentStorage[i].PopulateArgumentsSequence(sequence)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
// Here we have aCx and sequence in the same compartment.
// targetScope is the destination scope and value will be populated in its
// compartment.
if (NS_WARN_IF(!PopulateConsoleNotificationInTheTargetScope(
aCx, sequence, targetScope, &value, mCallDataStorage[i],
&mGroupStack))) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
aEvents.AppendElement(value);
}
}
void Console::SetConsoleEventHandler(AnyCallback* aHandler) {
AssertIsOnOwningThread();
// We don't want to expose this functionality to main-thread yet.
MOZ_ASSERT(!NS_IsMainThread());
mConsoleEventNotifier = aHandler;
}
void Console::AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(Console);
}
bool Console::IsShuttingDown() const {
MOZ_ASSERT(mStatus != eUnknown);
return mStatus == eShuttingDown;
}
/* static */
already_AddRefed<Console> Console::GetConsole(const GlobalObject& aGlobal) {
ErrorResult rv;
RefPtr<Console> console = GetConsoleInternal(aGlobal, rv);
if (NS_WARN_IF(rv.Failed()) || !console) {
rv.SuppressException();
return nullptr;
}
console->AssertIsOnOwningThread();
if (console->IsShuttingDown()) {
return nullptr;
}
return console.forget();
}
/* static */
already_AddRefed<Console> Console::GetConsoleInternal(
const GlobalObject& aGlobal, ErrorResult& aRv) {
// Window
if (NS_IsMainThread()) {
nsCOMPtr<nsPIDOMWindowInner> innerWindow =
do_QueryInterface(aGlobal.GetAsSupports());
// we are probably running a chrome script.
if (!innerWindow) {
RefPtr<Console> console = new Console(aGlobal.Context(), nullptr, 0, 0);
console->Initialize(aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return console.forget();
}
nsGlobalWindowInner* window = nsGlobalWindowInner::Cast(innerWindow);
return window->GetConsole(aGlobal.Context(), aRv);
}
// Worklet
nsCOMPtr<WorkletGlobalScope> workletScope =
do_QueryInterface(aGlobal.GetAsSupports());
if (workletScope) {
WorkletThread::AssertIsOnWorkletThread();
return workletScope->GetConsole(aGlobal.Context(), aRv);
}
// Workers
MOZ_ASSERT(!NS_IsMainThread());
JSContext* cx = aGlobal.Context();
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (NS_WARN_IF(!global)) {
return nullptr;
}
WorkerGlobalScope* scope = workerPrivate->GlobalScope();
MOZ_ASSERT(scope);
// Normal worker scope.
if (scope == global) {
return scope->GetConsole(aRv);
}
// Debugger worker scope
WorkerDebuggerGlobalScope* debuggerScope =
workerPrivate->DebuggerGlobalScope();
MOZ_ASSERT(debuggerScope);
MOZ_ASSERT(debuggerScope == global, "Which kind of global do we have?");
return debuggerScope->GetConsole(aRv);
}
bool Console::MonotonicTimer(JSContext* aCx, MethodName aMethodName,
const Sequence<JS::Value>& aData,
DOMHighResTimeStamp* aTimeStamp) {
if (nsCOMPtr<nsPIDOMWindowInner> innerWindow = do_QueryInterface(mGlobal)) {
nsGlobalWindowInner* win = nsGlobalWindowInner::Cast(innerWindow);
MOZ_ASSERT(win);
RefPtr<Performance> performance = win->GetPerformance();
if (!performance) {
return false;
}
*aTimeStamp = performance->Now();
nsDocShell* docShell = static_cast<nsDocShell*>(win->GetDocShell());
RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();
bool isTimelineRecording = timelines && timelines->HasConsumer(docShell);
// The 'timeStamp' recordings do not need an argument; use empty string
// if no arguments passed in.
if (isTimelineRecording && aMethodName == MethodTimeStamp) {
JS::Rooted<JS::Value> value(
aCx, aData.Length() == 0 ? JS_GetEmptyStringValue(aCx) : aData[0]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
if (!jsString) {
return false;
}
nsAutoJSString key;
if (!key.init(aCx, jsString)) {
return false;
}
timelines->AddMarkerForDocShell(docShell,
MakeUnique<TimestampTimelineMarker>(key));
}
// For `console.time(foo)` and `console.timeEnd(foo)`.
else if (isTimelineRecording && aData.Length() == 1) {
JS::Rooted<JS::Value> value(aCx, aData[0]);
JS::Rooted<JSString*> jsString(aCx, JS::ToString(aCx, value));
if (!jsString) {
return false;
}
nsAutoJSString key;
if (!key.init(aCx, jsString)) {
return false;
}
timelines->AddMarkerForDocShell(
docShell,
MakeUnique<ConsoleTimelineMarker>(key, aMethodName == MethodTime
? MarkerTracingType::START
: MarkerTracingType::END));
}
return true;
}
if (NS_IsMainThread()) {
*aTimeStamp = (TimeStamp::Now() - mCreationTimeStamp).ToMilliseconds();
return true;
}
if (nsCOMPtr<WorkletGlobalScope> workletGlobal = do_QueryInterface(mGlobal)) {
*aTimeStamp = workletGlobal->TimeStampToDOMHighRes(TimeStamp::Now());
return true;
}
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
*aTimeStamp = workerPrivate->TimeStampToDOMHighRes(TimeStamp::Now());
return true;
}
/* static */
already_AddRefed<ConsoleInstance> Console::CreateInstance(
const GlobalObject& aGlobal, const ConsoleInstanceOptions& aOptions) {
RefPtr<ConsoleInstance> console =
new ConsoleInstance(aGlobal.Context(), aOptions);
return console.forget();
}
void Console::MaybeExecuteDumpFunction(JSContext* aCx,
const nsAString& aMethodName,
const Sequence<JS::Value>& aData,
nsIStackFrame* aStack) {
if (!mDumpFunction && !mDumpToStdout) {
return;
}
nsAutoString message;
message.AssignLiteral("console.");
message.Append(aMethodName);
message.AppendLiteral(": ");
if (!mPrefix.IsEmpty()) {
message.Append(mPrefix);
message.AppendLiteral(": ");
}
for (uint32_t i = 0; i < aData.Length(); ++i) {
JS::Rooted<JS::Value> v(aCx, aData[i]);
JS::Rooted<JSString*> jsString(aCx, JS_ValueToSource(aCx, v));
if (!jsString) {
continue;
}
nsAutoJSString string;
if (NS_WARN_IF(!string.init(aCx, jsString))) {
return;
}
if (i != 0) {
message.AppendLiteral(" ");
}
message.Append(string);
}
message.AppendLiteral("\n");
// aStack can be null.
nsCOMPtr<nsIStackFrame> stack(aStack);
while (stack) {
nsAutoString filename;
stack->GetFilename(aCx, filename);
message.Append(filename);
message.AppendLiteral(" ");
message.AppendInt(stack->GetLineNumber(aCx));
message.AppendLiteral(" ");
nsAutoString functionName;
stack->GetName(aCx, functionName);
message.Append(functionName);
message.AppendLiteral("\n");
nsCOMPtr<nsIStackFrame> caller = stack->GetCaller(aCx);
if (!caller) {
caller = stack->GetAsyncCaller(aCx);
}
stack.swap(caller);
}
ExecuteDumpFunction(message);
}
void Console::MaybeExecuteDumpFunctionForTime(JSContext* aCx,
MethodName aMethodName,
const nsAString& aMethodString,
uint64_t aMonotonicTimer,
const JS::Value& aData) {
if (!mDumpFunction && !mDumpToStdout) {
return;
}
nsAutoString message;
message.AssignLiteral("console.");
message.Append(aMethodString);
message.AppendLiteral(": ");
if (!mPrefix.IsEmpty()) {
message.Append(mPrefix);
message.AppendLiteral(": ");
}
JS::Rooted<JS::Value> v(aCx, aData);
JS::Rooted<JSString*> jsString(aCx, JS_ValueToSource(aCx, v));
if (!jsString) {
return;
}
nsAutoJSString string;
if (NS_WARN_IF(!string.init(aCx, jsString))) {
return;
}
message.Append(string);
message.AppendLiteral(" @ ");
message.AppendInt(aMonotonicTimer);
message.AppendLiteral("\n");
ExecuteDumpFunction(message);
}
void Console::ExecuteDumpFunction(const nsAString& aMessage) {
if (mDumpFunction) {
RefPtr<ConsoleInstanceDumpCallback> dumpFunction(mDumpFunction);
dumpFunction->Call(aMessage);
return;
}
NS_ConvertUTF16toUTF8 str(aMessage);
MOZ_LOG(nsContentUtils::DOMDumpLog(), LogLevel::Debug, ("%s", str.get()));
#ifdef ANDROID
__android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", str.get());
#endif
fputs(str.get(), stdout);
fflush(stdout);
}
bool Console::ShouldProceed(MethodName aName) const {
return WebIDLLogLevelToInteger(mMaxLogLevel) <=
InternalLogLevelToInteger(aName);
}
uint32_t Console::WebIDLLogLevelToInteger(ConsoleLogLevel aLevel) const {
switch (aLevel) {
case ConsoleLogLevel::All:
return 0;
case ConsoleLogLevel::Debug:
return 2;
case ConsoleLogLevel::Log:
return 3;
case ConsoleLogLevel::Info:
return 3;
case ConsoleLogLevel::Clear:
return 3;
case ConsoleLogLevel::Trace:
return 3;
case ConsoleLogLevel::TimeLog:
return 3;
case ConsoleLogLevel::TimeEnd:
return 3;
case ConsoleLogLevel::Time:
return 3;
case ConsoleLogLevel::Group:
return 3;
case ConsoleLogLevel::GroupEnd:
return 3;
case ConsoleLogLevel::Profile:
return 3;
case ConsoleLogLevel::ProfileEnd:
return 3;
case ConsoleLogLevel::Dir:
return 3;
case ConsoleLogLevel::Dirxml:
return 3;
case ConsoleLogLevel::Warn:
return 4;
case ConsoleLogLevel::Error:
return 5;
case ConsoleLogLevel::Off:
return UINT32_MAX;
default:
MOZ_CRASH(
"ConsoleLogLevel is out of sync with the Console implementation!");
return 0;
}
return 0;
}
uint32_t Console::InternalLogLevelToInteger(MethodName aName) const {
switch (aName) {
case MethodLog:
return 3;
case MethodInfo:
return 3;
case MethodWarn:
return 4;
case MethodError:
return 5;
case MethodException:
return 5;
case MethodDebug:
return 2;
case MethodTable:
return 3;
case MethodTrace:
return 3;
case MethodDir:
return 3;
case MethodDirxml:
return 3;
case MethodGroup:
return 3;
case MethodGroupCollapsed:
return 3;
case MethodGroupEnd:
return 3;
case MethodTime:
return 3;
case MethodTimeLog:
return 3;
case MethodTimeEnd:
return 3;
case MethodTimeStamp:
return 3;
case MethodAssert:
return 3;
case MethodCount:
return 3;
case MethodCountReset:
return 3;
case MethodClear:
return 3;
case MethodProfile:
return 3;
case MethodProfileEnd:
return 3;
default:
MOZ_CRASH("MethodName is out of sync with the Console implementation!");
return 0;
}
return 0;
}
bool Console::ArgumentData::Initialize(JSContext* aCx,
const Sequence<JS::Value>& aArguments) {
mGlobal = JS::CurrentGlobalOrNull(aCx);
for (uint32_t i = 0; i < aArguments.Length(); ++i) {
if (NS_WARN_IF(!mArguments.AppendElement(aArguments[i]))) {
return false;
}
}
return true;
}
void Console::ArgumentData::Trace(const TraceCallbacks& aCallbacks,
void* aClosure) {
ArgumentData* tmp = this;
for (uint32_t i = 0; i < mArguments.Length(); ++i) {
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mArguments[i])
}
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mGlobal)
}
bool Console::ArgumentData::PopulateArgumentsSequence(
Sequence<JS::Value>& aSequence) const {
AssertIsOnOwningThread();
for (uint32_t i = 0; i < mArguments.Length(); ++i) {
if (NS_WARN_IF(!aSequence.AppendElement(mArguments[i], fallible))) {
return false;
}
}
return true;
}
} // namespace dom
} // namespace mozilla
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