// static
already_AddRefed<IDBLocaleAwareKeyRange>
IDBLocaleAwareKeyRange::Bound(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aLower,
JS::Handle<JS::Value> aUpper,
bool aLowerOpen,
bool aUpperOpen,
ErrorResult& aRv)
{
RefPtr<IDBLocaleAwareKeyRange> keyRange =
new IDBLocaleAwareKeyRange(aGlobal.GetAsSupports(), aLowerOpen, aUpperOpen, false);
aRv = GetKeyFromJSVal(aGlobal.Context(), aLower, keyRange->Lower());
if (aRv.Failed()) {
return nullptr;
}
aRv = GetKeyFromJSVal(aGlobal.Context(), aUpper, keyRange->Upper());
if (aRv.Failed()) {
return nullptr;
}
if (keyRange->Lower() == keyRange->Upper() && (aLowerOpen || aUpperOpen)) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return nullptr;
}
return keyRange.forget();
}
already_AddRefed<CustomEvent>
CustomEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const CustomEventInit& aParam,
ErrorResult& aRv)
{
nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
nsRefPtr<CustomEvent> e = new CustomEvent(t, nullptr, nullptr);
bool trusted = e->Init(t);
JS::Rooted<JS::Value> detail(aGlobal.Context(), aParam.mDetail);
e->InitCustomEvent(aGlobal.Context(), aType, aParam.mBubbles, aParam.mCancelable, detail, aRv);
e->SetTrusted(trusted);
return e.forget();
}
/* static */ already_AddRefed<KeyframeEffectType>
KeyframeEffectReadOnly::ConstructKeyframeEffect(
const GlobalObject& aGlobal,
const Nullable<ElementOrCSSPseudoElement>& aTarget,
JS::Handle<JSObject*> aKeyframes,
const OptionsType& aOptions,
ErrorResult& aRv)
{
nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aGlobal.Context());
if (!doc) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
TimingParams timingParams =
TimingParams::FromOptionsUnion(aOptions, doc, aRv);
if (aRv.Failed()) {
return nullptr;
}
nsAutoString invalidPacedProperty;
KeyframeEffectParams effectOptions =
KeyframeEffectParamsFromUnion(aOptions, invalidPacedProperty, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (!invalidPacedProperty.IsEmpty()) {
const char16_t* params[] = { invalidPacedProperty.get() };
nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
NS_LITERAL_CSTRING("Animation"),
doc,
nsContentUtils::eDOM_PROPERTIES,
"UnanimatablePacedProperty",
params, ArrayLength(params));
}
Maybe<OwningAnimationTarget> target = ConvertTarget(aTarget);
RefPtr<KeyframeEffectType> effect =
new KeyframeEffectType(doc, target, timingParams, effectOptions);
effect->SetKeyframes(aGlobal.Context(), aKeyframes, aRv);
if (aRv.Failed()) {
return nullptr;
}
return effect.forget();
}
already_AddRefed<BluetoothLeDeviceEvent>
BluetoothLeDeviceEvent::Constructor(
const GlobalObject& aGlobal,
const nsAString& aType,
const BluetoothLeDeviceEventInit& aEventInitDict,
ErrorResult& aRv)
{
nsCOMPtr<mozilla::dom::EventTarget> owner =
do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<BluetoothLeDeviceEvent> e = new BluetoothLeDeviceEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
e->mDevice = aEventInitDict.mDevice;
e->mRssi = aEventInitDict.mRssi;
if (!aEventInitDict.mScanRecord.IsNull()) {
const auto& scanRecord = aEventInitDict.mScanRecord.Value();
scanRecord.ComputeLengthAndData();
e->mScanRecord = ArrayBuffer::Create(aGlobal.Context(),
scanRecord.Length(),
scanRecord.Data());
if (!e->mScanRecord) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
}
e->SetTrusted(trusted);
return e.forget();
}
/* static */ already_AddRefed<Blob>
Blob::Constructor(const GlobalObject& aGlobal,
const Optional<Sequence<BlobPart>>& aData,
const BlobPropertyBag& aBag,
ErrorResult& aRv)
{
RefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl();
if (aData.WasPassed()) {
nsAutoString type(aBag.mType);
MakeValidBlobType(type);
impl->InitializeBlob(aGlobal.Context(), aData.Value(), type,
aBag.mEndings == EndingTypes::Native, aRv);
} else {
impl->InitializeBlob(aRv);
}
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
MOZ_ASSERT(!impl->IsFile());
RefPtr<Blob> blob = Blob::Create(aGlobal.GetAsSupports(), impl);
return blob.forget();
}
// static
already_AddRefed<PerformanceObserver>
PerformanceObserver::Constructor(const GlobalObject& aGlobal,
PerformanceObserverCallback& aCb,
ErrorResult& aRv)
{
if (NS_IsMainThread()) {
nsCOMPtr<nsPIDOMWindow> ownerWindow =
do_QueryInterface(aGlobal.GetAsSupports());
if (!ownerWindow) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
MOZ_ASSERT(ownerWindow->IsInnerWindow());
RefPtr<PerformanceObserver> observer =
new PerformanceObserver(ownerWindow, aCb);
return observer.forget();
}
JSContext* cx = aGlobal.Context();
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
RefPtr<PerformanceObserver> observer =
new PerformanceObserver(workerPrivate, aCb);
return observer.forget();
}
/* static */ already_AddRefed<KeyframeEffectType>
KeyframeEffectReadOnly::ConstructKeyframeEffect(const GlobalObject& aGlobal,
KeyframeEffectReadOnly& aSource,
ErrorResult& aRv)
{
nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aGlobal.Context());
if (!doc) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
// Create a new KeyframeEffectReadOnly object with aSource's target,
// iteration composite operation, composite operation, and spacing mode.
// The constructor creates a new AnimationEffect(ReadOnly) object by
// aSource's TimingParams.
// Note: we don't need to re-throw exceptions since the value specified on
// aSource's timing object can be assumed valid.
RefPtr<KeyframeEffectType> effect =
new KeyframeEffectType(doc,
aSource.mTarget,
aSource.SpecifiedTiming(),
aSource.mEffectOptions);
// Copy cumulative change hint. mCumulativeChangeHint should be the same as
// the source one because both of targets are the same.
effect->mCumulativeChangeHint = aSource.mCumulativeChangeHint;
// Copy aSource's keyframes and animation properties.
// Note: We don't call SetKeyframes directly, which might revise the
// computed offsets and rebuild the animation properties.
// FIXME: Bug 1314537: We have to make sure SharedKeyframeList is handled
// properly.
effect->mKeyframes = aSource.mKeyframes;
effect->mProperties = aSource.mProperties;
return effect.forget();
}
// ---------------------------------------------------------------------------
//
// Animation interface:
//
// ---------------------------------------------------------------------------
/* static */ already_AddRefed<Animation>
Animation::Constructor(const GlobalObject& aGlobal,
KeyframeEffectReadOnly* aEffect,
const Optional<AnimationTimeline*>& aTimeline,
ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<Animation> animation = new Animation(global);
if (!aEffect) {
// Bug 1049975: We do not support null effect yet.
aRv.Throw(NS_ERROR_DOM_ANIM_NO_EFFECT_ERR);
return nullptr;
}
AnimationTimeline* timeline;
if (aTimeline.WasPassed()) {
timeline = aTimeline.Value();
} else {
nsIDocument* document =
AnimationUtils::GetCurrentRealmDocument(aGlobal.Context());
if (!document) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
timeline = document->Timeline();
}
animation->SetTimelineNoUpdate(timeline);
animation->SetEffect(aEffect);
return animation.forget();
}
already_AddRefed<MediaEncryptedEvent>
MediaEncryptedEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const MediaKeyNeededEventInit& aEventInitDict,
ErrorResult& aRv)
{
nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<MediaEncryptedEvent> e = new MediaEncryptedEvent(owner);
bool trusted = e->Init(owner);
e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
e->mInitDataType = aEventInitDict.mInitDataType;
if (!aEventInitDict.mInitData.IsNull()) {
const auto& a = aEventInitDict.mInitData.Value();
a.ComputeLengthAndData();
e->mInitData = ArrayBuffer::Create(aGlobal.Context(),
a.Length(),
a.Data());
if (!e->mInitData) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
}
e->SetTrusted(trusted);
return e.forget();
}
/* static */ already_AddRefed<File>
File::Constructor(const GlobalObject& aGlobal,
const Sequence<BlobPart>& aData,
const nsAString& aName,
const FilePropertyBag& aBag,
ErrorResult& aRv)
{
// Normalizing the filename
nsString name(aName);
name.ReplaceChar('/', ':');
RefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl(name);
nsAutoString type(aBag.mType);
MakeValidBlobType(type);
impl->InitializeBlob(aGlobal.Context(), aData, type, false, aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(impl->IsFile());
if (aBag.mLastModified.WasPassed()) {
impl->SetLastModified(aBag.mLastModified.Value());
}
RefPtr<File> file = new File(aGlobal.GetAsSupports(), impl);
return file.forget();
}
/* static */ void
ThreadSafeChromeUtils::Base64URLDecode(GlobalObject& aGlobal,
const nsACString& aString,
const Base64URLDecodeOptions& aOptions,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv)
{
Base64URLDecodePaddingPolicy paddingPolicy;
switch (aOptions.mPadding) {
case Base64URLDecodePadding::Require:
paddingPolicy = Base64URLDecodePaddingPolicy::Require;
break;
case Base64URLDecodePadding::Ignore:
paddingPolicy = Base64URLDecodePaddingPolicy::Ignore;
break;
case Base64URLDecodePadding::Reject:
paddingPolicy = Base64URLDecodePaddingPolicy::Reject;
break;
default:
aRv.Throw(NS_ERROR_INVALID_ARG);
return;
}
FallibleTArray<uint8_t> data;
nsresult rv = mozilla::Base64URLDecode(aString, paddingPolicy, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
JS::Rooted<JSObject*> buffer(aGlobal.Context(),
ArrayBuffer::Create(aGlobal.Context(),
data.Length(),
data.Elements()));
if (NS_WARN_IF(!buffer)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aRetval.set(buffer);
}
already_AddRefed<Promise>
Cache::AddAll(const GlobalObject& aGlobal,
nsTArray<RefPtr<Request>>&& aRequestList,
CallerType aCallerType, ErrorResult& aRv)
{
MOZ_DIAGNOSTIC_ASSERT(mActor);
// If there is no work to do, then resolve immediately
if (aRequestList.IsEmpty()) {
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
if (NS_WARN_IF(!promise)) {
return nullptr;
}
promise->MaybeResolveWithUndefined();
return promise.forget();
}
AutoTArray<RefPtr<Promise>, 256> fetchList;
fetchList.SetCapacity(aRequestList.Length());
// Begin fetching each request in parallel. For now, if an error occurs just
// abandon our previous fetch calls. In theory we could cancel them in the
// future once fetch supports it.
for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
RequestOrUSVString requestOrString;
requestOrString.SetAsRequest() = aRequestList[i];
RefPtr<Promise> fetch = FetchRequest(mGlobal, requestOrString,
RequestInit(), aCallerType, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
fetchList.AppendElement(std::move(fetch));
}
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<FetchHandler> handler =
new FetchHandler(mActor->GetWorkerHolder(), this,
std::move(aRequestList), promise);
RefPtr<Promise> fetchPromise = Promise::All(aGlobal.Context(), fetchList, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
fetchPromise->AppendNativeHandler(handler);
return promise.forget();
}
/* static */ void
ThreadSafeChromeUtils::Base64URLDecode(GlobalObject& aGlobal,
const nsACString& aString,
const Base64URLDecodeOptions& aOptions,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv)
{
FallibleTArray<uint8_t> data;
nsresult rv = mozilla::Base64URLDecode(aString, aOptions, data);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
JS::Rooted<JSObject*> buffer(aGlobal.Context(),
ArrayBuffer::Create(aGlobal.Context(),
data.Length(),
data.Elements()));
if (NS_WARN_IF(!buffer)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aRetval.set(buffer);
}
// static
already_AddRefed<IDBKeyRange>
IDBKeyRange::Only(const GlobalObject& aGlobal,
JS::Handle<JS::Value> aValue,
ErrorResult& aRv)
{
RefPtr<IDBKeyRange> keyRange =
new IDBKeyRange(aGlobal.GetAsSupports(), false, false, true);
aRv = GetKeyFromJSVal(aGlobal.Context(), aValue, keyRange->Lower());
if (aRv.Failed()) {
return nullptr;
}
return keyRange.forget();
}
/* static */ already_AddRefed<FileReader>
FileReader::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
WorkerPrivate* workerPrivate = nullptr;
if (!NS_IsMainThread()) {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
}
RefPtr<FileReader> fileReader = new FileReader(global, workerPrivate);
return fileReader.forget();
}
/* static */ void
ThreadSafeChromeUtils::NondeterministicGetWeakSetKeys(GlobalObject& aGlobal,
JS::Handle<JS::Value> aSet,
JS::MutableHandle<JS::Value> aRetval,
ErrorResult& aRv)
{
if (!aSet.isObject()) {
aRetval.setUndefined();
} else {
JSContext* cx = aGlobal.Context();
JS::Rooted<JSObject*> objRet(cx);
JS::Rooted<JSObject*> setObj(cx, &aSet.toObject());
if (!JS_NondeterministicGetWeakSetKeys(cx, setObj, &objRet)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
} else {
aRetval.set(objRet ? JS::ObjectValue(*objRet) : JS::UndefinedValue());
}
}
}
/* static */ already_AddRefed<Blob>
Blob::Constructor(
const GlobalObject& aGlobal,
const Sequence<OwningArrayBufferOrArrayBufferViewOrBlobOrString>& aData,
const BlobPropertyBag& aBag,
ErrorResult& aRv)
{
nsRefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl();
impl->InitializeBlob(aGlobal.Context(), aData, aBag.mType,
aBag.mEndings == EndingTypes::Native, aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!impl->IsFile());
nsRefPtr<Blob> blob = Blob::Create(aGlobal.GetAsSupports(), impl);
return blob.forget();
}
// static
already_AddRefed<PushManager>
PushManager::Constructor(GlobalObject& aGlobal,
const nsAString& aScope,
ErrorResult& aRv)
{
if (!NS_IsMainThread()) {
RefPtr<PushManager> ret = new PushManager(aScope);
return ret.forget();
}
RefPtr<PushManagerImpl> impl = PushManagerImpl::Constructor(aGlobal,
aGlobal.Context(),
aScope, aRv);
if (aRv.Failed()) {
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<PushManager> ret = new PushManager(global, impl);
return ret.forget();
}
/* static */ already_AddRefed<ChromeWorker>
ChromeWorker::Constructor(const GlobalObject& aGlobal,
const nsAString& aScriptURL,
ErrorResult& aRv)
{
JSContext* cx = aGlobal.Context();
RefPtr<WorkerPrivate> workerPrivate =
WorkerPrivate::Constructor(cx, aScriptURL, true /* aIsChromeWorker */,
WorkerTypeDedicated, EmptyString(),
VoidCString(), nullptr /*aLoadInfo */, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nsCOMPtr<nsIGlobalObject> globalObject =
do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<ChromeWorker> worker =
new ChromeWorker(globalObject, workerPrivate.forget());
return worker.forget();
}
/* static */ already_AddRefed<File>
File::Constructor(
const GlobalObject& aGlobal,
const Sequence<OwningArrayBufferOrArrayBufferViewOrBlobOrString>& aData,
const nsAString& aName,
const FilePropertyBag& aBag,
ErrorResult& aRv)
{
nsRefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl(aName);
impl->InitializeBlob(aGlobal.Context(), aData, aBag.mType, false, aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(impl->IsFile());
if (aBag.mLastModified.WasPassed()) {
impl->SetLastModified(aBag.mLastModified.Value());
}
nsRefPtr<File> file = new File(aGlobal.GetAsSupports(), impl);
return file.forget();
}
// static
already_AddRefed<Promise>
Promise::All(const GlobalObject& aGlobal,
const nsTArray<RefPtr<Promise>>& aPromiseList, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global;
global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
JSContext* cx = aGlobal.Context();
JS::AutoObjectVector promises(cx);
if (!promises.reserve(aPromiseList.Length())) {
aRv.NoteJSContextException(cx);
return nullptr;
}
for (auto& promise : aPromiseList) {
JS::Rooted<JSObject*> promiseObj(cx, promise->PromiseObj());
// Just in case, make sure these are all in the context compartment.
if (!JS_WrapObject(cx, &promiseObj)) {
aRv.NoteJSContextException(cx);
return nullptr;
}
promises.infallibleAppend(promiseObj);
}
JS::Rooted<JSObject*> result(cx, JS::GetWaitForAllPromise(cx, promises));
if (!result) {
aRv.NoteJSContextException(cx);
return nullptr;
}
return CreateFromExisting(global, result);
}
/* static */ already_AddRefed<FileReader>
FileReader::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
// The owner can be null when this object is used by chrome code.
nsCOMPtr<nsPIDOMWindow> owner = do_QueryInterface(aGlobal.GetAsSupports());
WorkerPrivate* workerPrivate = nullptr;
if (!NS_IsMainThread()) {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
}
RefPtr<FileReader> fileReader = new FileReader(owner, workerPrivate);
if (!owner && nsContentUtils::ThreadsafeIsCallerChrome()) {
// Instead of grabbing some random global from the context stack,
// let's use the default one (junk scope) for now.
// We should move away from this Init...
fileReader->BindToOwner(xpc::NativeGlobal(xpc::PrivilegedJunkScope()));
}
return fileReader.forget();
}
/*static*/ already_AddRefed<Response>
Response::Constructor(const GlobalObject& aGlobal,
const Optional<Nullable<fetch::ResponseBodyInit>>& aBody,
const ResponseInit& aInit, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (aInit.mStatus < 200 || aInit.mStatus > 599) {
aRv.ThrowRangeError<MSG_INVALID_RESPONSE_STATUSCODE_ERROR>();
return nullptr;
}
// Check if the status text contains illegal characters
nsACString::const_iterator start, end;
aInit.mStatusText.BeginReading(start);
aInit.mStatusText.EndReading(end);
if (FindCharInReadable('\r', start, end)) {
aRv.ThrowTypeError<MSG_RESPONSE_INVALID_STATUSTEXT_ERROR>();
return nullptr;
}
// Reset iterator since FindCharInReadable advances it.
aInit.mStatusText.BeginReading(start);
if (FindCharInReadable('\n', start, end)) {
aRv.ThrowTypeError<MSG_RESPONSE_INVALID_STATUSTEXT_ERROR>();
return nullptr;
}
RefPtr<InternalResponse> internalResponse =
new InternalResponse(aInit.mStatus, aInit.mStatusText);
// Grab a valid channel info from the global so this response is 'valid' for
// interception.
if (NS_IsMainThread()) {
ChannelInfo info;
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(global);
if (window) {
nsIDocument* doc = window->GetExtantDoc();
MOZ_ASSERT(doc);
info.InitFromDocument(doc);
} else {
info.InitFromChromeGlobal(global);
}
internalResponse->InitChannelInfo(info);
} else {
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
internalResponse->InitChannelInfo(worker->GetChannelInfo());
}
RefPtr<Response> r = new Response(global, internalResponse, nullptr);
if (aInit.mHeaders.WasPassed()) {
internalResponse->Headers()->Clear();
// Instead of using Fill, create an object to allow the constructor to
// unwrap the HeadersInit.
RefPtr<Headers> headers =
Headers::Create(global, aInit.mHeaders.Value(), aRv);
if (aRv.Failed()) {
return nullptr;
}
internalResponse->Headers()->Fill(*headers->GetInternalHeaders(), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
if (aBody.WasPassed() && !aBody.Value().IsNull()) {
if (aInit.mStatus == 204 || aInit.mStatus == 205 || aInit.mStatus == 304) {
aRv.ThrowTypeError<MSG_RESPONSE_NULL_STATUS_WITH_BODY>();
return nullptr;
}
nsCString contentTypeWithCharset;
nsCOMPtr<nsIInputStream> bodyStream;
int64_t bodySize = InternalResponse::UNKNOWN_BODY_SIZE;
const fetch::ResponseBodyInit& body = aBody.Value().Value();
if (body.IsReadableStream()) {
aRv.MightThrowJSException();
JSContext* cx = aGlobal.Context();
const ReadableStream& readableStream = body.GetAsReadableStream();
JS::Rooted<JSObject*> readableStreamObj(cx, readableStream.Obj());
bool disturbed;
bool locked;
if (!JS::ReadableStreamIsDisturbed(cx, readableStreamObj, &disturbed) ||
!JS::ReadableStreamIsLocked(cx, readableStreamObj, &locked)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (disturbed || locked) {
aRv.ThrowTypeError<MSG_FETCH_BODY_CONSUMED_ERROR>();
return nullptr;
}
r->SetReadableStreamBody(cx, readableStreamObj);
JS::ReadableStreamMode streamMode;
if (!JS::ReadableStreamGetMode(cx, readableStreamObj, &streamMode)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (streamMode == JS::ReadableStreamMode::ExternalSource) {
// If this is a DOM generated ReadableStream, we can extract the
// inputStream directly.
void* underlyingSource = nullptr;
if (!JS::ReadableStreamGetExternalUnderlyingSource(cx,
readableStreamObj,
&underlyingSource)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
MOZ_ASSERT(underlyingSource);
aRv = FetchStream::RetrieveInputStream(underlyingSource,
getter_AddRefs(bodyStream));
// The releasing of the external source is needed in order to avoid an
// extra stream lock.
if (!JS::ReadableStreamReleaseExternalUnderlyingSource(cx, readableStreamObj)) {
aRv.StealExceptionFromJSContext(cx);
return nullptr;
}
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
} else {
// If this is a JS-created ReadableStream, let's create a
// FetchStreamReader.
aRv = FetchStreamReader::Create(aGlobal.Context(), global,
getter_AddRefs(r->mFetchStreamReader),
getter_AddRefs(bodyStream));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
} else {
uint64_t size = 0;
aRv = ExtractByteStreamFromBody(body,
getter_AddRefs(bodyStream),
contentTypeWithCharset,
size);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
bodySize = size;
}
internalResponse->SetBody(bodyStream, bodySize);
if (!contentTypeWithCharset.IsVoid() &&
!internalResponse->Headers()->Has(NS_LITERAL_CSTRING("Content-Type"),
aRv)) {
// Ignore Append() failing here.
ErrorResult error;
internalResponse->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"),
contentTypeWithCharset, error);
error.SuppressException();
}
if (aRv.Failed()) {
return nullptr;
}
}
r->SetMimeType();
return r.forget();
}
/* static */ already_AddRefed<BroadcastChannel>
BroadcastChannel::Constructor(const GlobalObject& aGlobal,
const nsAString& aChannel,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(aGlobal.GetAsSupports());
// Window is null in workers.
nsAutoCString origin;
PrincipalInfo principalInfo;
WorkerPrivate* workerPrivate = nullptr;
if (NS_IsMainThread()) {
nsCOMPtr<nsIGlobalObject> incumbent = mozilla::dom::GetIncumbentGlobal();
if (!incumbent) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsIPrincipal* principal = incumbent->PrincipalOrNull();
if (!principal) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
aRv = principal->GetOrigin(origin);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
aRv = PrincipalToPrincipalInfo(principal, &principalInfo);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
} else {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
RefPtr<InitializeRunnable> runnable =
new InitializeRunnable(workerPrivate, origin, principalInfo, aRv);
runnable->Dispatch(Closing, aRv);
}
if (aRv.Failed()) {
return nullptr;
}
RefPtr<BroadcastChannel> bc =
new BroadcastChannel(window, principalInfo, origin, aChannel);
// Register this component to PBackground.
PBackgroundChild* actor = BackgroundChild::GetForCurrentThread();
if (actor) {
bc->ActorCreated(actor);
} else {
BackgroundChild::GetOrCreateForCurrentThread(bc);
}
if (!workerPrivate) {
MOZ_ASSERT(window);
MOZ_ASSERT(window->IsInnerWindow());
bc->mInnerID = window->WindowID();
// Register as observer for inner-window-destroyed.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(bc, "inner-window-destroyed", false);
}
} else {
bc->mWorkerHolder = new BroadcastChannelWorkerHolder(bc);
if (NS_WARN_IF(!bc->mWorkerHolder->HoldWorker(workerPrivate, Closing))) {
bc->mWorkerHolder = nullptr;
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
return bc.forget();
}
/* static */ already_AddRefed<BroadcastChannel>
BroadcastChannel::Constructor(const GlobalObject& aGlobal,
const nsAString& aChannel,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(aGlobal.GetAsSupports());
// Window is null in workers.
RefPtr<BroadcastChannel> bc = new BroadcastChannel(window, aChannel);
nsAutoCString origin;
PrincipalInfo principalInfo;
if (NS_IsMainThread()) {
nsCOMPtr<nsIGlobalObject> incumbent = mozilla::dom::GetIncumbentGlobal();
if (!incumbent) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsIPrincipal* principal = incumbent->PrincipalOrNull();
if (!principal) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
aRv = principal->GetOrigin(origin);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
aRv = PrincipalToPrincipalInfo(principal, &principalInfo);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
} else {
JSContext* cx = aGlobal.Context();
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
RefPtr<StrongWorkerRef> workerRef =
StrongWorkerRef::Create(workerPrivate, "BroadcastChannel",
[bc] () { bc->Shutdown(); });
// We are already shutting down the worker. Let's return a non-active
// object.
if (NS_WARN_IF(!workerRef)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<ThreadSafeWorkerRef> tsr = new ThreadSafeWorkerRef(workerRef);
RefPtr<InitializeRunnable> runnable =
new InitializeRunnable(tsr, origin, principalInfo, aRv);
runnable->Dispatch(Canceling, aRv);
if (aRv.Failed()) {
return nullptr;
}
bc->mWorkerRef = Move(workerRef);
}
// Register this component to PBackground.
PBackgroundChild* actorChild = BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!actorChild)) {
// Firefox is probably shutting down. Let's return a 'generic' error.
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
PBroadcastChannelChild* actor =
actorChild->SendPBroadcastChannelConstructor(principalInfo, origin,
nsString(aChannel));
bc->mActor = static_cast<BroadcastChannelChild*>(actor);
MOZ_ASSERT(bc->mActor);
bc->mActor->SetParent(bc);
return bc.forget();
}
already_AddRefed<WebSocket>
WebSocket::Constructor(const GlobalObject& aGlobal,
const nsAString& aUrl,
const Sequence<nsString>& aProtocols,
ErrorResult& aRv)
{
if (!PrefEnabled()) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return nullptr;
}
nsCOMPtr<nsIScriptObjectPrincipal> scriptPrincipal =
do_QueryInterface(aGlobal.GetAsSupports());
if (!scriptPrincipal) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal = scriptPrincipal->GetPrincipal();
if (!principal) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIScriptGlobalObject> sgo = do_QueryInterface(aGlobal.GetAsSupports());
if (!sgo) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsPIDOMWindow> ownerWindow = do_QueryInterface(aGlobal.GetAsSupports());
if (!ownerWindow) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsTArray<nsString> protocolArray;
for (uint32_t index = 0, len = aProtocols.Length(); index < len; ++index) {
const nsString& protocolElement = aProtocols[index];
if (protocolElement.IsEmpty()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
if (protocolArray.Contains(protocolElement)) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
if (protocolElement.FindChar(',') != -1) /* interferes w/list */ {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
protocolArray.AppendElement(protocolElement);
}
nsRefPtr<WebSocket> webSocket = new WebSocket(ownerWindow);
nsresult rv = webSocket->Init(aGlobal.Context(), principal,
aUrl, protocolArray);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
return webSocket.forget();
}
/* static */
void PrioEncoder::Encode(GlobalObject& aGlobal, const nsCString& aBatchID,
const PrioParams& aPrioParams,
RootedDictionary<PrioEncodedData>& aData,
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (!global) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
SECStatus prio_rv = SECSuccess;
if (!sSingleton) {
nsresult rv;
nsAutoCStringN<CURVE25519_KEY_LEN_HEX + 1> prioKeyA;
rv = Preferences::GetCString("prio.publicKeyA", prioKeyA);
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
nsAutoCStringN<CURVE25519_KEY_LEN_HEX + 1> prioKeyB;
rv = Preferences::GetCString("prio.publicKeyB", prioKeyB);
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
// Check that both public keys are of the right length
// and contain only hex digits 0-9a-fA-f
if (!PrioEncoder::IsValidHexPublicKey(prioKeyA) ||
!PrioEncoder::IsValidHexPublicKey(prioKeyB)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
prio_rv = Prio_init();
if (prio_rv != SECSuccess) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
prio_rv = PublicKey_import_hex(
&sPublicKeyA,
reinterpret_cast<const unsigned char*>(prioKeyA.BeginReading()),
CURVE25519_KEY_LEN_HEX);
if (prio_rv != SECSuccess) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
prio_rv = PublicKey_import_hex(
&sPublicKeyB,
reinterpret_cast<const unsigned char*>(prioKeyB.BeginReading()),
CURVE25519_KEY_LEN_HEX);
if (prio_rv != SECSuccess) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
sSingleton = new PrioEncoder();
ClearOnShutdown(&sSingleton);
}
nsTArray<bool> dataItems = aPrioParams.mBooleans;
if (dataItems.Length() > gNumBooleans) {
aRv.ThrowRangeError<MSG_VALUE_OUT_OF_RANGE>(
NS_LITERAL_STRING("Maximum boolean value exceeded"));
return;
}
PrioConfig prioConfig = PrioConfig_new(
dataItems.Length(), sPublicKeyA, sPublicKeyB,
reinterpret_cast<const unsigned char*>(aBatchID.BeginReading()),
aBatchID.Length());
if (!prioConfig) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
auto configGuard = MakeScopeExit([&] { PrioConfig_clear(prioConfig); });
unsigned char* forServerA = nullptr;
unsigned int lenA = 0;
unsigned char* forServerB = nullptr;
unsigned int lenB = 0;
prio_rv = PrioClient_encode(prioConfig, dataItems.Elements(), &forServerA,
&lenA, &forServerB, &lenB);
nsTArray<uint8_t> arrayForServerA;
nsTArray<uint8_t> arrayForServerB;
if (!arrayForServerA.AppendElements(reinterpret_cast<uint8_t*>(forServerA),
lenA, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
free(forServerA);
if (!arrayForServerB.AppendElements(reinterpret_cast<uint8_t*>(forServerB),
lenB, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
free(forServerB);
if (prio_rv != SECSuccess) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
JS::Rooted<JS::Value> valueA(aGlobal.Context());
if (!ToJSValue(aGlobal.Context(),
TypedArrayCreator<Uint8Array>(arrayForServerA), &valueA)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aData.mA.Construct().Init(&valueA.toObject());
JS::Rooted<JS::Value> valueB(aGlobal.Context());
if (!ToJSValue(aGlobal.Context(),
TypedArrayCreator<Uint8Array>(arrayForServerB), &valueB)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aData.mB.Construct().Init(&valueB.toObject());
}
/* static */ already_AddRefed<BroadcastChannel>
BroadcastChannel::Constructor(const GlobalObject& aGlobal,
const nsAString& aChannel,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
// Window is null in workers.
nsAutoString origin;
PrincipalInfo principalInfo;
bool privateBrowsing = false;
WorkerPrivate* workerPrivate = nullptr;
if (NS_IsMainThread()) {
nsCOMPtr<nsIGlobalObject> incumbent = mozilla::dom::GetIncumbentGlobal();
if (!incumbent) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsIPrincipal* principal = incumbent->PrincipalOrNull();
if (!principal) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
bool isNullPrincipal;
aRv = principal->GetIsNullPrincipal(&isNullPrincipal);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (NS_WARN_IF(isNullPrincipal)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
GetOrigin(principal, origin, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
aRv = PrincipalToPrincipalInfo(principal, &principalInfo);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nsIDocument* doc = window->GetExtantDoc();
if (doc) {
privateBrowsing = nsContentUtils::IsInPrivateBrowsing(doc);
// No bfcache when BroadcastChannel is used.
doc->DisallowBFCaching();
}
} else {
JSContext* cx = aGlobal.Context();
workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
nsRefPtr<InitializeRunnable> runnable =
new InitializeRunnable(workerPrivate, origin, principalInfo,
privateBrowsing, aRv);
runnable->Dispatch(cx);
}
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<BroadcastChannel> bc =
new BroadcastChannel(window, principalInfo, origin, aChannel,
privateBrowsing);
// Register this component to PBackground.
PBackgroundChild* actor = BackgroundChild::GetForCurrentThread();
if (actor) {
bc->ActorCreated(actor);
} else {
BackgroundChild::GetOrCreateForCurrentThread(bc);
}
if (!workerPrivate) {
MOZ_ASSERT(window);
MOZ_ASSERT(window->IsInnerWindow());
bc->mInnerID = window->WindowID();
// Register as observer for inner-window-destroyed.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(bc, "inner-window-destroyed", false);
}
} else {
bc->mWorkerFeature = new BroadcastChannelFeature(bc);
JSContext* cx = workerPrivate->GetJSContext();
if (NS_WARN_IF(!workerPrivate->AddFeature(cx, bc->mWorkerFeature))) {
NS_WARNING("Failed to register the BroadcastChannel worker feature.");
bc->mWorkerFeature = nullptr;
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
return bc.forget();
}
