nsresult
LoadInfoToLoadInfoArgs(nsILoadInfo *aLoadInfo,
mozilla::net::LoadInfoArgs* aLoadInfoArgs)
{
nsresult rv = NS_OK;
if (aLoadInfo) {
rv = PrincipalToPrincipalInfo(aLoadInfo->LoadingPrincipal(),
&aLoadInfoArgs->requestingPrincipalInfo());
NS_ENSURE_SUCCESS(rv, rv);
rv = PrincipalToPrincipalInfo(aLoadInfo->TriggeringPrincipal(),
&aLoadInfoArgs->triggeringPrincipalInfo());
NS_ENSURE_SUCCESS(rv, rv);
aLoadInfoArgs->securityFlags() = aLoadInfo->GetSecurityFlags();
aLoadInfoArgs->contentPolicyType() = aLoadInfo->GetContentPolicyType();
aLoadInfoArgs->innerWindowID() = aLoadInfo->GetInnerWindowID();
aLoadInfoArgs->outerWindowID() = aLoadInfo->GetOuterWindowID();
aLoadInfoArgs->parentOuterWindowID() = aLoadInfo->GetParentOuterWindowID();
return NS_OK;
}
// use default values if no loadInfo is provided
rv = PrincipalToPrincipalInfo(nsContentUtils::GetSystemPrincipal(),
&aLoadInfoArgs->requestingPrincipalInfo());
NS_ENSURE_SUCCESS(rv, rv);
rv = PrincipalToPrincipalInfo(nsContentUtils::GetSystemPrincipal(),
&aLoadInfoArgs->triggeringPrincipalInfo());
NS_ENSURE_SUCCESS(rv, rv);
aLoadInfoArgs->securityFlags() = nsILoadInfo::SEC_NORMAL;
aLoadInfoArgs->contentPolicyType() = nsIContentPolicy::TYPE_OTHER;
aLoadInfoArgs->innerWindowID() = 0;
aLoadInfoArgs->outerWindowID() = 0;
aLoadInfoArgs->parentOuterWindowID() = 0;
return NS_OK;
}
nsresult
LoadInfoToLoadInfoArgs(nsILoadInfo *aLoadInfo,
OptionalLoadInfoArgs* aOptionalLoadInfoArgs)
{
if (!aLoadInfo) {
// if there is no loadInfo, then there is nothing to serialize
*aOptionalLoadInfoArgs = void_t();
return NS_OK;
}
nsresult rv = NS_OK;
PrincipalInfo requestingPrincipalInfo;
rv = PrincipalToPrincipalInfo(aLoadInfo->LoadingPrincipal(),
&requestingPrincipalInfo);
NS_ENSURE_SUCCESS(rv, rv);
PrincipalInfo triggeringPrincipalInfo;
rv = PrincipalToPrincipalInfo(aLoadInfo->TriggeringPrincipal(),
&triggeringPrincipalInfo);
*aOptionalLoadInfoArgs =
LoadInfoArgs(
requestingPrincipalInfo,
triggeringPrincipalInfo,
aLoadInfo->GetSecurityFlags(),
aLoadInfo->GetContentPolicyType(),
aLoadInfo->GetUpgradeInsecureRequests(),
aLoadInfo->GetInnerWindowID(),
aLoadInfo->GetOuterWindowID(),
aLoadInfo->GetParentOuterWindowID());
return NS_OK;
}
nsresult
LoadInfoToLoadInfoArgs(nsILoadInfo *aLoadInfo,
OptionalLoadInfoArgs* aOptionalLoadInfoArgs)
{
if (!aLoadInfo) {
// if there is no loadInfo, then there is nothing to serialize
*aOptionalLoadInfoArgs = void_t();
return NS_OK;
}
nsresult rv = NS_OK;
PrincipalInfo requestingPrincipalInfo;
rv = PrincipalToPrincipalInfo(aLoadInfo->LoadingPrincipal(),
&requestingPrincipalInfo);
NS_ENSURE_SUCCESS(rv, rv);
PrincipalInfo triggeringPrincipalInfo;
rv = PrincipalToPrincipalInfo(aLoadInfo->TriggeringPrincipal(),
&triggeringPrincipalInfo);
nsTArray<PrincipalInfo> redirectChainIncludingInternalRedirects;
for (const nsCOMPtr<nsIPrincipal>& principal : aLoadInfo->RedirectChainIncludingInternalRedirects()) {
rv = PrincipalToPrincipalInfo(principal, redirectChainIncludingInternalRedirects.AppendElement());
NS_ENSURE_SUCCESS(rv, rv);
}
nsTArray<PrincipalInfo> redirectChain;
for (const nsCOMPtr<nsIPrincipal>& principal : aLoadInfo->RedirectChain()) {
rv = PrincipalToPrincipalInfo(principal, redirectChain.AppendElement());
NS_ENSURE_SUCCESS(rv, rv);
}
*aOptionalLoadInfoArgs =
LoadInfoArgs(
requestingPrincipalInfo,
triggeringPrincipalInfo,
aLoadInfo->GetSecurityFlags(),
aLoadInfo->InternalContentPolicyType(),
aLoadInfo->GetUpgradeInsecureRequests(),
aLoadInfo->GetUpgradeInsecurePreloads(),
aLoadInfo->GetInnerWindowID(),
aLoadInfo->GetOuterWindowID(),
aLoadInfo->GetParentOuterWindowID(),
aLoadInfo->GetEnforceSecurity(),
aLoadInfo->GetInitialSecurityCheckDone(),
aLoadInfo->GetIsInThirdPartyContext(),
aLoadInfo->GetOriginAttributes(),
redirectChainIncludingInternalRedirects,
redirectChain);
return NS_OK;
}
// static
nsresult
IDBFactory::CreateForMainThreadJS(JSContext* aCx,
JS::Handle<JSObject*> aOwningObject,
IDBFactory** aFactory)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<PrincipalInfo> principalInfo(new PrincipalInfo());
nsIPrincipal* principal = nsContentUtils::ObjectPrincipal(aOwningObject);
MOZ_ASSERT(principal);
bool isSystem;
if (!AllowedForPrincipal(principal, &isSystem)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsresult rv = PrincipalToPrincipalInfo(principal, principalInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = CreateForMainThreadJSInternal(aCx, aOwningObject, principalInfo, aFactory);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
MOZ_ASSERT(!principalInfo);
return NS_OK;
}
bool MainThreadRun() override
{
MOZ_ASSERT(NS_IsMainThread());
nsIPrincipal* principal = GetPrincipalFromWorkerPrivate(mWorkerPrivate);
if (!principal) {
mRv.Throw(NS_ERROR_FAILURE);
return true;
}
bool isNullPrincipal;
mRv = principal->GetIsNullPrincipal(&isNullPrincipal);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
if (NS_WARN_IF(isNullPrincipal)) {
mRv.Throw(NS_ERROR_FAILURE);
return true;
}
mRv = PrincipalToPrincipalInfo(principal, &mPrincipalInfo);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
mRv = principal->GetOrigin(mOrigin);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
// Walk up to our containing page
WorkerPrivate* wp = mWorkerPrivate;
while (wp->GetParent()) {
wp = wp->GetParent();
}
// Window doesn't exist for some kind of workers (eg: SharedWorkers)
nsPIDOMWindow* window = wp->GetWindow();
if (!window) {
return true;
}
nsIDocument* doc = window->GetExtantDoc();
if (doc) {
mPrivateBrowsing = nsContentUtils::IsInPrivateBrowsing(doc);
// No bfcache when BroadcastChannel is used.
doc->DisallowBFCaching();
}
return true;
}
nsresult
FetchDriver::Fetch(AbortSignal* aSignal, FetchDriverObserver* aObserver)
{
AssertIsOnMainThread();
#ifdef DEBUG
MOZ_ASSERT(!mFetchCalled);
mFetchCalled = true;
#endif
mObserver = aObserver;
Telemetry::Accumulate(Telemetry::SERVICE_WORKER_REQUEST_PASSTHROUGH,
mRequest->WasCreatedByFetchEvent());
// FIXME(nsm): Deal with HSTS.
MOZ_RELEASE_ASSERT(!mRequest->IsSynchronous(),
"Synchronous fetch not supported");
UniquePtr<mozilla::ipc::PrincipalInfo> principalInfo(new mozilla::ipc::PrincipalInfo());
nsresult rv = PrincipalToPrincipalInfo(mPrincipal, principalInfo.get());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
mRequest->SetPrincipalInfo(std::move(principalInfo));
// If the signal is aborted, it's time to inform the observer and terminate
// the operation.
if (aSignal) {
if (aSignal->Aborted()) {
Abort();
return NS_OK;
}
Follow(aSignal);
}
rv = HttpFetch(mRequest->GetPreferredAlternativeDataType());
if (NS_FAILED(rv)) {
FailWithNetworkError(rv);
}
// Any failure is handled by FailWithNetworkError notifying the aObserver.
return NS_OK;
}
bool MainThreadRun() override
{
MOZ_ASSERT(NS_IsMainThread());
nsIPrincipal* principal = GetPrincipalFromWorkerPrivate(mWorkerPrivate);
if (!principal) {
mRv.Throw(NS_ERROR_FAILURE);
return true;
}
bool isNullPrincipal;
mRv = principal->GetIsNullPrincipal(&isNullPrincipal);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
if (NS_WARN_IF(isNullPrincipal)) {
mRv.Throw(NS_ERROR_FAILURE);
return true;
}
mRv = PrincipalToPrincipalInfo(principal, &mPrincipalInfo);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
mRv = principal->GetOrigin(mOrigin);
if (NS_WARN_IF(mRv.Failed())) {
return true;
}
// Walk up to our containing page
WorkerPrivate* wp = mWorkerPrivate;
while (wp->GetParent()) {
wp = wp->GetParent();
}
// Window doesn't exist for some kind of workers (eg: SharedWorkers)
nsPIDOMWindowInner* window = wp->GetWindow();
if (!window) {
return true;
}
return true;
}
nsresult CheckedPrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
PrincipalInfo& aPrincipalInfo) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aPrincipal);
nsresult rv = PrincipalToPrincipalInfo(aPrincipal, &aPrincipalInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(!QuotaManager::IsPrincipalInfoValid(aPrincipalInfo))) {
return NS_ERROR_FAILURE;
}
if (aPrincipalInfo.type() != PrincipalInfo::TContentPrincipalInfo &&
aPrincipalInfo.type() != PrincipalInfo::TSystemPrincipalInfo) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
/* 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<IDBOpenDBRequest>
IDBFactory::OpenInternal(JSContext* aCx,
nsIPrincipal* aPrincipal,
const nsAString& aName,
const Optional<uint64_t>& aVersion,
const Optional<StorageType>& aStorageType,
bool aDeleting,
ErrorResult& aRv)
{
MOZ_ASSERT(mWindow || mOwningObject);
MOZ_ASSERT_IF(!mWindow, !mPrivateBrowsingMode);
CommonFactoryRequestParams commonParams;
commonParams.privateBrowsingMode() = mPrivateBrowsingMode;
PrincipalInfo& principalInfo = commonParams.principalInfo();
if (aPrincipal) {
if (!NS_IsMainThread()) {
MOZ_CRASH("Figure out security checks for workers!");
}
MOZ_ASSERT(nsContentUtils::IsCallerChrome());
if (NS_WARN_IF(NS_FAILED(PrincipalToPrincipalInfo(aPrincipal,
&principalInfo)))) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
if (principalInfo.type() != PrincipalInfo::TContentPrincipalInfo &&
principalInfo.type() != PrincipalInfo::TSystemPrincipalInfo) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
} else {
principalInfo = *mPrincipalInfo;
}
uint64_t version = 0;
if (!aDeleting && aVersion.WasPassed()) {
if (aVersion.Value() < 1) {
aRv.ThrowTypeError<MSG_INVALID_VERSION>();
return nullptr;
}
version = aVersion.Value();
}
// Nothing can be done here if we have previously failed to create a
// background actor.
if (mBackgroundActorFailed) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
PersistenceType persistenceType;
if (principalInfo.type() == PrincipalInfo::TSystemPrincipalInfo) {
// Chrome privilege always gets persistent storage.
persistenceType = PERSISTENCE_TYPE_PERSISTENT;
} else {
persistenceType = PersistenceTypeFromStorage(aStorageType);
}
DatabaseMetadata& metadata = commonParams.metadata();
metadata.name() = aName;
metadata.persistenceType() = persistenceType;
FactoryRequestParams params;
if (aDeleting) {
metadata.version() = 0;
params = DeleteDatabaseRequestParams(commonParams);
} else {
metadata.version() = version;
params = OpenDatabaseRequestParams(commonParams);
}
if (!mBackgroundActor && mPendingRequests.IsEmpty()) {
BackgroundChildImpl::ThreadLocal* threadLocal =
BackgroundChildImpl::GetThreadLocalForCurrentThread();
nsAutoPtr<ThreadLocal> newIDBThreadLocal;
ThreadLocal* idbThreadLocal;
if (threadLocal && threadLocal->mIndexedDBThreadLocal) {
idbThreadLocal = threadLocal->mIndexedDBThreadLocal;
} else {
nsCOMPtr<nsIUUIDGenerator> uuidGen =
do_GetService("@mozilla.org/uuid-generator;1");
MOZ_ASSERT(uuidGen);
nsID id;
MOZ_ALWAYS_SUCCEEDS(uuidGen->GenerateUUIDInPlace(&id));
newIDBThreadLocal = idbThreadLocal = new ThreadLocal(id);
}
if (PBackgroundChild* actor = BackgroundChild::GetForCurrentThread()) {
BackgroundActorCreated(actor, idbThreadLocal->GetLoggingInfo());
} else {
// We need to start the sequence to create a background actor for this
// thread.
RefPtr<BackgroundCreateCallback> cb =
new BackgroundCreateCallback(this, idbThreadLocal->GetLoggingInfo());
if (NS_WARN_IF(!BackgroundChild::GetOrCreateForCurrentThread(cb))) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
}
if (newIDBThreadLocal) {
if (!threadLocal) {
threadLocal = BackgroundChildImpl::GetThreadLocalForCurrentThread();
}
MOZ_ASSERT(threadLocal);
MOZ_ASSERT(!threadLocal->mIndexedDBThreadLocal);
threadLocal->mIndexedDBThreadLocal = newIDBThreadLocal.forget();
}
}
RefPtr<IDBOpenDBRequest> request;
if (mWindow) {
JS::Rooted<JSObject*> scriptOwner(aCx,
nsGlobalWindow::Cast(mWindow.get())->FastGetGlobalJSObject());
MOZ_ASSERT(scriptOwner);
request = IDBOpenDBRequest::CreateForWindow(aCx, this, mWindow, scriptOwner);
} else {
JS::Rooted<JSObject*> scriptOwner(aCx, mOwningObject);
request = IDBOpenDBRequest::CreateForJS(aCx, this, scriptOwner);
if (!request) {
MOZ_ASSERT(!NS_IsMainThread());
aRv.ThrowUncatchableException();
return nullptr;
}
}
MOZ_ASSERT(request);
if (aDeleting) {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: "
"indexedDB.deleteDatabase(\"%s\")",
"IndexedDB %s: C R[%llu]: IDBFactory.deleteDatabase()",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
NS_ConvertUTF16toUTF8(aName).get());
} else {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: "
"indexedDB.open(\"%s\", %s)",
"IndexedDB %s: C R[%llu]: IDBFactory.open()",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
NS_ConvertUTF16toUTF8(aName).get(),
IDB_LOG_STRINGIFY(aVersion));
}
// If we already have a background actor then we can start this request now.
if (mBackgroundActor) {
nsresult rv = InitiateRequest(request, params);
if (NS_WARN_IF(NS_FAILED(rv))) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
} else {
mPendingRequests.AppendElement(new PendingRequestInfo(request, params));
}
return request.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 (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
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);
UniquePtr<mozilla::ipc::PrincipalInfo> principalInfo;
// 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) {
Document* doc = window->GetExtantDoc();
MOZ_ASSERT(doc);
info.InitFromDocument(doc);
principalInfo.reset(new mozilla::ipc::PrincipalInfo());
nsresult rv =
PrincipalToPrincipalInfo(doc->NodePrincipal(), principalInfo.get());
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.ThrowTypeError<MSG_FETCH_BODY_CONSUMED_ERROR>();
return nullptr;
}
internalResponse->InitChannelInfo(info);
} else if (nsContentUtils::IsSystemPrincipal(global->PrincipalOrNull())) {
info.InitFromChromeGlobal(global);
internalResponse->InitChannelInfo(info);
}
/**
* The channel info is left uninitialized if neither the above `if` nor
* `else if` statements are executed; this could be because we're in a
* WebExtensions content script, where the global (i.e. `global`) is a
* wrapper, and the principal is an expanded principal. In this case,
* as far as I can tell, there's no way to get the security info, but we'd
* like the `Response` to be successfully constructed.
*/
} else {
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
internalResponse->InitChannelInfo(worker->GetChannelInfo());
principalInfo =
MakeUnique<mozilla::ipc::PrincipalInfo>(worker->GetPrincipalInfo());
}
internalResponse->SetPrincipalInfo(std::move(principalInfo));
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.
JS::ReadableStreamUnderlyingSource* 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();
}
nsresult
LoadInfoToLoadInfoArgs(nsILoadInfo *aLoadInfo,
OptionalLoadInfoArgs* aOptionalLoadInfoArgs)
{
if (!aLoadInfo) {
// if there is no loadInfo, then there is nothing to serialize
*aOptionalLoadInfoArgs = void_t();
return NS_OK;
}
nsresult rv = NS_OK;
OptionalPrincipalInfo loadingPrincipalInfo = mozilla::void_t();
if (aLoadInfo->LoadingPrincipal()) {
PrincipalInfo loadingPrincipalInfoTemp;
rv = PrincipalToPrincipalInfo(aLoadInfo->LoadingPrincipal(),
&loadingPrincipalInfoTemp);
NS_ENSURE_SUCCESS(rv, rv);
loadingPrincipalInfo = loadingPrincipalInfoTemp;
}
PrincipalInfo triggeringPrincipalInfo;
rv = PrincipalToPrincipalInfo(aLoadInfo->TriggeringPrincipal(),
&triggeringPrincipalInfo);
nsTArray<PrincipalInfo> redirectChainIncludingInternalRedirects;
for (const nsCOMPtr<nsIPrincipal>& principal : aLoadInfo->RedirectChainIncludingInternalRedirects()) {
rv = PrincipalToPrincipalInfo(principal, redirectChainIncludingInternalRedirects.AppendElement());
NS_ENSURE_SUCCESS(rv, rv);
}
nsTArray<PrincipalInfo> redirectChain;
for (const nsCOMPtr<nsIPrincipal>& principal : aLoadInfo->RedirectChain()) {
rv = PrincipalToPrincipalInfo(principal, redirectChain.AppendElement());
NS_ENSURE_SUCCESS(rv, rv);
}
*aOptionalLoadInfoArgs =
LoadInfoArgs(
loadingPrincipalInfo,
triggeringPrincipalInfo,
aLoadInfo->GetSecurityFlags(),
aLoadInfo->InternalContentPolicyType(),
static_cast<uint32_t>(aLoadInfo->GetTainting()),
aLoadInfo->GetUpgradeInsecureRequests(),
aLoadInfo->GetVerifySignedContent(),
aLoadInfo->GetEnforceSRI(),
aLoadInfo->GetForceInheritPrincipalDropped(),
aLoadInfo->GetInnerWindowID(),
aLoadInfo->GetOuterWindowID(),
aLoadInfo->GetParentOuterWindowID(),
aLoadInfo->GetFrameOuterWindowID(),
aLoadInfo->GetEnforceSecurity(),
aLoadInfo->GetInitialSecurityCheckDone(),
aLoadInfo->GetIsInThirdPartyContext(),
aLoadInfo->GetOriginAttributes(),
redirectChainIncludingInternalRedirects,
redirectChain,
aLoadInfo->CorsUnsafeHeaders(),
aLoadInfo->GetForcePreflight(),
aLoadInfo->GetIsPreflight());
return NS_OK;
}
nsresult
PrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
PrincipalInfo* aPrincipalInfo)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aPrincipalInfo);
bool isNullPrin;
nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPrin);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (isNullPrin) {
*aPrincipalInfo = NullPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef());
return NS_OK;
}
nsCOMPtr<nsIScriptSecurityManager> secMan =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
bool isSystemPrincipal;
rv = secMan->IsSystemPrincipal(aPrincipal, &isSystemPrincipal);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (isSystemPrincipal) {
*aPrincipalInfo = SystemPrincipalInfo();
return NS_OK;
}
// might be an expanded principal
nsCOMPtr<nsIExpandedPrincipal> expanded =
do_QueryInterface(aPrincipal);
if (expanded) {
nsTArray<PrincipalInfo> whitelistInfo;
PrincipalInfo info;
nsTArray< nsCOMPtr<nsIPrincipal> >* whitelist;
MOZ_ALWAYS_SUCCEEDS(expanded->GetWhiteList(&whitelist));
for (uint32_t i = 0; i < whitelist->Length(); i++) {
rv = PrincipalToPrincipalInfo((*whitelist)[i], &info);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// append that spec to the whitelist
whitelistInfo.AppendElement(info);
}
*aPrincipalInfo =
ExpandedPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef(),
Move(whitelistInfo));
return NS_OK;
}
// must be a content principal
nsCOMPtr<nsIURI> uri;
rv = aPrincipal->GetURI(getter_AddRefs(uri));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(!uri)) {
return NS_ERROR_FAILURE;
}
nsCString spec;
rv = uri->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
*aPrincipalInfo = ContentPrincipalInfo(BasePrincipal::Cast(aPrincipal)->OriginAttributesRef(),
spec);
return NS_OK;
}
already_AddRefed<IDBOpenDBRequest>
IDBFactory::OpenInternal(JSContext* aCx,
nsIPrincipal* aPrincipal,
const nsAString& aName,
const Optional<uint64_t>& aVersion,
const Optional<StorageType>& aStorageType,
bool aDeleting,
CallerType aCallerType,
ErrorResult& aRv)
{
MOZ_ASSERT(mWindow || mOwningObject);
MOZ_ASSERT_IF(!mWindow, !mPrivateBrowsingMode);
CommonFactoryRequestParams commonParams;
PrincipalInfo& principalInfo = commonParams.principalInfo();
if (aPrincipal) {
if (!NS_IsMainThread()) {
MOZ_CRASH("Figure out security checks for workers! What's this "
"aPrincipal we have on a worker thread?");
}
MOZ_ASSERT(aCallerType == CallerType::System);
MOZ_DIAGNOSTIC_ASSERT(mPrivateBrowsingMode == (aPrincipal->GetPrivateBrowsingId() > 0));
if (NS_WARN_IF(NS_FAILED(PrincipalToPrincipalInfo(aPrincipal,
&principalInfo)))) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
if (principalInfo.type() != PrincipalInfo::TContentPrincipalInfo &&
principalInfo.type() != PrincipalInfo::TSystemPrincipalInfo) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
} else {
principalInfo = *mPrincipalInfo;
}
uint64_t version = 0;
if (!aDeleting && aVersion.WasPassed()) {
if (aVersion.Value() < 1) {
aRv.ThrowTypeError<MSG_INVALID_VERSION>();
return nullptr;
}
version = aVersion.Value();
}
// Nothing can be done here if we have previously failed to create a
// background actor.
if (mBackgroundActorFailed) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
PersistenceType persistenceType;
bool isInternal = principalInfo.type() == PrincipalInfo::TSystemPrincipalInfo;
if (!isInternal && principalInfo.type() == PrincipalInfo::TContentPrincipalInfo) {
nsCString origin = principalInfo.get_ContentPrincipalInfo().originNoSuffix();
isInternal = QuotaManager::IsOriginInternal(origin);
}
// Allow storage attributes for add-ons independent of the pref.
// This works in the main thread only, workers don't have the principal.
bool isAddon = false;
if (NS_IsMainThread()) {
// aPrincipal is passed inconsistently, so even when we are already on
// the main thread, we may have been passed a null aPrincipal.
nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(principalInfo);
if (principal) {
nsAutoString addonId;
Unused << NS_WARN_IF(NS_FAILED(principal->GetAddonId(addonId)));
isAddon = !addonId.IsEmpty();
}
}
if (isInternal) {
// Chrome privilege and internal origins always get persistent storage.
persistenceType = PERSISTENCE_TYPE_PERSISTENT;
} else if (isAddon || DOMPrefs::IndexedDBStorageOptionsEnabled()) {
persistenceType = PersistenceTypeFromStorage(aStorageType);
} else {
persistenceType = PERSISTENCE_TYPE_DEFAULT;
}
DatabaseMetadata& metadata = commonParams.metadata();
metadata.name() = aName;
metadata.persistenceType() = persistenceType;
FactoryRequestParams params;
if (aDeleting) {
metadata.version() = 0;
params = DeleteDatabaseRequestParams(commonParams);
} else {
metadata.version() = version;
params = OpenDatabaseRequestParams(commonParams);
}
if (!mBackgroundActor) {
BackgroundChildImpl::ThreadLocal* threadLocal =
BackgroundChildImpl::GetThreadLocalForCurrentThread();
nsAutoPtr<ThreadLocal> newIDBThreadLocal;
ThreadLocal* idbThreadLocal;
if (threadLocal && threadLocal->mIndexedDBThreadLocal) {
idbThreadLocal = threadLocal->mIndexedDBThreadLocal;
} else {
nsCOMPtr<nsIUUIDGenerator> uuidGen =
do_GetService("@mozilla.org/uuid-generator;1");
MOZ_ASSERT(uuidGen);
nsID id;
MOZ_ALWAYS_SUCCEEDS(uuidGen->GenerateUUIDInPlace(&id));
newIDBThreadLocal = idbThreadLocal = new ThreadLocal(id);
}
PBackgroundChild* backgroundActor =
BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!backgroundActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
{
BackgroundFactoryChild* actor = new BackgroundFactoryChild(this);
// Set EventTarget for the top-level actor.
// All child actors created later inherit the same event target.
backgroundActor->SetEventTargetForActor(actor, EventTarget());
MOZ_ASSERT(actor->GetActorEventTarget());
mBackgroundActor =
static_cast<BackgroundFactoryChild*>(
backgroundActor->SendPBackgroundIDBFactoryConstructor(actor,
idbThreadLocal->GetLoggingInfo()));
if (NS_WARN_IF(!mBackgroundActor)) {
mBackgroundActorFailed = true;
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
}
if (newIDBThreadLocal) {
if (!threadLocal) {
threadLocal = BackgroundChildImpl::GetThreadLocalForCurrentThread();
}
MOZ_ASSERT(threadLocal);
MOZ_ASSERT(!threadLocal->mIndexedDBThreadLocal);
threadLocal->mIndexedDBThreadLocal = newIDBThreadLocal.forget();
}
}
RefPtr<IDBOpenDBRequest> request;
if (mWindow) {
JS::Rooted<JSObject*> scriptOwner(aCx,
nsGlobalWindowInner::Cast(mWindow.get())->FastGetGlobalJSObject());
MOZ_ASSERT(scriptOwner);
request = IDBOpenDBRequest::CreateForWindow(aCx, this, mWindow, scriptOwner);
} else {
JS::Rooted<JSObject*> scriptOwner(aCx, mOwningObject);
request = IDBOpenDBRequest::CreateForJS(aCx, this, scriptOwner);
if (!request) {
MOZ_ASSERT(!NS_IsMainThread());
aRv.ThrowUncatchableException();
return nullptr;
}
}
MOZ_ASSERT(request);
if (aDeleting) {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: "
"indexedDB.deleteDatabase(\"%s\")",
"IndexedDB %s: C R[%llu]: IDBFactory.deleteDatabase()",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
NS_ConvertUTF16toUTF8(aName).get());
} else {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: "
"indexedDB.open(\"%s\", %s)",
"IndexedDB %s: C R[%llu]: IDBFactory.open()",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
NS_ConvertUTF16toUTF8(aName).get(),
IDB_LOG_STRINGIFY(aVersion));
}
nsresult rv = InitiateRequest(request, params);
if (NS_WARN_IF(NS_FAILED(rv))) {
IDB_REPORT_INTERNAL_ERR();
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return nullptr;
}
return request.forget();
}
nsresult
PrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
PrincipalInfo* aPrincipalInfo)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aPrincipal);
MOZ_ASSERT(aPrincipalInfo);
bool isNullPointer;
nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPointer);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (isNullPointer) {
*aPrincipalInfo = NullPrincipalInfo();
return NS_OK;
}
nsCOMPtr<nsIScriptSecurityManager> secMan =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
bool isSystemPrincipal;
rv = secMan->IsSystemPrincipal(aPrincipal, &isSystemPrincipal);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (isSystemPrincipal) {
*aPrincipalInfo = SystemPrincipalInfo();
return NS_OK;
}
// might be an expanded principal
nsCOMPtr<nsIExpandedPrincipal> expanded =
do_QueryInterface(aPrincipal);
if (expanded) {
nsTArray<PrincipalInfo> whitelistInfo;
PrincipalInfo info;
nsTArray< nsCOMPtr<nsIPrincipal> >* whitelist;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(expanded->GetWhiteList(&whitelist)));
for (uint32_t i = 0; i < whitelist->Length(); i++) {
rv = PrincipalToPrincipalInfo((*whitelist)[i], &info);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// append that spec to the whitelist
whitelistInfo.AppendElement(info);
}
*aPrincipalInfo = ExpandedPrincipalInfo(Move(whitelistInfo));
return NS_OK;
}
// must be a content principal
nsCOMPtr<nsIURI> uri;
rv = aPrincipal->GetURI(getter_AddRefs(uri));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(!uri)) {
return NS_ERROR_FAILURE;
}
nsCString spec;
rv = uri->GetSpec(spec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
bool isUnknownAppId;
rv = aPrincipal->GetUnknownAppId(&isUnknownAppId);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
uint32_t appId;
if (isUnknownAppId) {
appId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
} else {
rv = aPrincipal->GetAppId(&appId);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
bool isInBrowserElement;
rv = aPrincipal->GetIsInBrowserElement(&isInBrowserElement);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
*aPrincipalInfo = ContentPrincipalInfo(appId, isInBrowserElement, spec);
return NS_OK;
}
/* 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<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();
}
