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-rw-r--r--dom/base/WebSocket.cpp2908
1 files changed, 2908 insertions, 0 deletions
diff --git a/dom/base/WebSocket.cpp b/dom/base/WebSocket.cpp
new file mode 100644
index 000000000..d85bae82b
--- /dev/null
+++ b/dom/base/WebSocket.cpp
@@ -0,0 +1,2908 @@
+/* -*- 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 "WebSocket.h"
+#include "mozilla/dom/WebSocketBinding.h"
+#include "mozilla/net/WebSocketChannel.h"
+
+#include "jsapi.h"
+#include "jsfriendapi.h"
+#include "mozilla/CheckedInt.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/net/WebSocketChannel.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/MessageEvent.h"
+#include "mozilla/dom/MessageEventBinding.h"
+#include "mozilla/dom/nsCSPContext.h"
+#include "mozilla/dom/nsCSPUtils.h"
+#include "mozilla/dom/ScriptSettings.h"
+#include "mozilla/dom/WorkerPrivate.h"
+#include "mozilla/dom/WorkerRunnable.h"
+#include "mozilla/dom/WorkerScope.h"
+#include "nsAutoPtr.h"
+#include "nsGlobalWindow.h"
+#include "nsIScriptGlobalObject.h"
+#include "nsIDOMWindow.h"
+#include "nsIDocument.h"
+#include "nsXPCOM.h"
+#include "nsIXPConnect.h"
+#include "nsContentUtils.h"
+#include "nsError.h"
+#include "nsIScriptObjectPrincipal.h"
+#include "nsIURL.h"
+#include "nsIUnicodeEncoder.h"
+#include "nsThreadUtils.h"
+#include "nsIPromptFactory.h"
+#include "nsIWindowWatcher.h"
+#include "nsIPrompt.h"
+#include "nsIStringBundle.h"
+#include "nsIConsoleService.h"
+#include "mozilla/dom/CloseEvent.h"
+#include "mozilla/net/WebSocketEventService.h"
+#include "nsICryptoHash.h"
+#include "nsJSUtils.h"
+#include "nsIScriptError.h"
+#include "nsNetUtil.h"
+#include "nsIAuthPrompt.h"
+#include "nsIAuthPrompt2.h"
+#include "nsILoadGroup.h"
+#include "mozilla/Preferences.h"
+#include "xpcpublic.h"
+#include "nsContentPolicyUtils.h"
+#include "nsWrapperCacheInlines.h"
+#include "nsIObserverService.h"
+#include "nsIEventTarget.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIObserver.h"
+#include "nsIRequest.h"
+#include "nsIThreadRetargetableRequest.h"
+#include "nsIWebSocketChannel.h"
+#include "nsIWebSocketListener.h"
+#include "nsProxyRelease.h"
+#include "nsWeakReference.h"
+
+using namespace mozilla::net;
+using namespace mozilla::dom::workers;
+
+namespace mozilla {
+namespace dom {
+
+class WebSocketImpl final : public nsIInterfaceRequestor
+ , public nsIWebSocketListener
+ , public nsIObserver
+ , public nsSupportsWeakReference
+ , public nsIRequest
+ , public nsIEventTarget
+{
+public:
+ NS_DECL_NSIINTERFACEREQUESTOR
+ NS_DECL_NSIWEBSOCKETLISTENER
+ NS_DECL_NSIOBSERVER
+ NS_DECL_NSIREQUEST
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIEVENTTARGET
+ using nsIEventTarget::Dispatch;
+
+ explicit WebSocketImpl(WebSocket* aWebSocket)
+ : mWebSocket(aWebSocket)
+ , mIsServerSide(false)
+ , mSecure(false)
+ , mOnCloseScheduled(false)
+ , mFailed(false)
+ , mDisconnectingOrDisconnected(false)
+ , mCloseEventWasClean(false)
+ , mCloseEventCode(nsIWebSocketChannel::CLOSE_ABNORMAL)
+ , mScriptLine(0)
+ , mScriptColumn(0)
+ , mInnerWindowID(0)
+ , mWorkerPrivate(nullptr)
+#ifdef DEBUG
+ , mHasWorkerHolderRegistered(false)
+#endif
+ , mIsMainThread(true)
+ , mMutex("WebSocketImpl::mMutex")
+ , mWorkerShuttingDown(false)
+ {
+ if (!NS_IsMainThread()) {
+ mWorkerPrivate = GetCurrentThreadWorkerPrivate();
+ MOZ_ASSERT(mWorkerPrivate);
+ mIsMainThread = false;
+ }
+ }
+
+ void AssertIsOnTargetThread() const
+ {
+ MOZ_ASSERT(IsTargetThread());
+ }
+
+ bool IsTargetThread() const;
+
+ void Init(JSContext* aCx,
+ nsIPrincipal* aPrincipal,
+ bool aIsServerSide,
+ const nsAString& aURL,
+ nsTArray<nsString>& aProtocolArray,
+ const nsACString& aScriptFile,
+ uint32_t aScriptLine,
+ uint32_t aScriptColumn,
+ ErrorResult& aRv,
+ bool* aConnectionFailed);
+
+ void AsyncOpen(nsIPrincipal* aPrincipal, uint64_t aInnerWindowID,
+ nsITransportProvider* aTransportProvider,
+ const nsACString& aNegotiatedExtensions,
+ ErrorResult& aRv);
+
+ nsresult ParseURL(const nsAString& aURL);
+ nsresult InitializeConnection(nsIPrincipal* aPrincipal);
+
+ // These methods when called can release the WebSocket object
+ void FailConnection(uint16_t reasonCode,
+ const nsACString& aReasonString = EmptyCString());
+ nsresult CloseConnection(uint16_t reasonCode,
+ const nsACString& aReasonString = EmptyCString());
+ void Disconnect();
+ void DisconnectInternal();
+
+ nsresult ConsoleError();
+ void PrintErrorOnConsole(const char* aBundleURI,
+ const char16_t* aError,
+ const char16_t** aFormatStrings,
+ uint32_t aFormatStringsLen);
+
+ nsresult DoOnMessageAvailable(const nsACString& aMsg,
+ bool isBinary);
+
+ // ConnectionCloseEvents: 'error' event if needed, then 'close' event.
+ nsresult ScheduleConnectionCloseEvents(nsISupports* aContext,
+ nsresult aStatusCode);
+ // 2nd half of ScheduleConnectionCloseEvents, run in its own event.
+ void DispatchConnectionCloseEvents();
+
+ nsresult UpdateURI();
+
+ void AddRefObject();
+ void ReleaseObject();
+
+ bool RegisterWorkerHolder();
+ void UnregisterWorkerHolder();
+
+ nsresult CancelInternal();
+
+ RefPtr<WebSocket> mWebSocket;
+
+ nsCOMPtr<nsIWebSocketChannel> mChannel;
+
+ bool mIsServerSide; // True if we're implementing the server side of a
+ // websocket connection
+
+ bool mSecure; // if true it is using SSL and the wss scheme,
+ // otherwise it is using the ws scheme with no SSL
+
+ bool mOnCloseScheduled;
+ bool mFailed;
+ bool mDisconnectingOrDisconnected;
+
+ // Set attributes of DOM 'onclose' message
+ bool mCloseEventWasClean;
+ nsString mCloseEventReason;
+ uint16_t mCloseEventCode;
+
+ nsCString mAsciiHost; // hostname
+ uint32_t mPort;
+ nsCString mResource; // [filepath[?query]]
+ nsString mUTF16Origin;
+
+ nsCString mURI;
+ nsCString mRequestedProtocolList;
+
+ nsWeakPtr mOriginDocument;
+
+ // Web Socket owner information:
+ // - the script file name, UTF8 encoded.
+ // - source code line number and column number where the Web Socket object
+ // was constructed.
+ // - the ID of the inner window where the script lives. Note that this may not
+ // be the same as the Web Socket owner window.
+ // These attributes are used for error reporting.
+ nsCString mScriptFile;
+ uint32_t mScriptLine;
+ uint32_t mScriptColumn;
+ uint64_t mInnerWindowID;
+
+ WorkerPrivate* mWorkerPrivate;
+ nsAutoPtr<WorkerHolder> mWorkerHolder;
+
+#ifdef DEBUG
+ // This is protected by mutex.
+ bool mHasWorkerHolderRegistered;
+
+ bool HasWorkerHolderRegistered()
+ {
+ MOZ_ASSERT(mWebSocket);
+ MutexAutoLock lock(mWebSocket->mMutex);
+ return mHasWorkerHolderRegistered;
+ }
+
+ void SetHasWorkerHolderRegistered(bool aValue)
+ {
+ MOZ_ASSERT(mWebSocket);
+ MutexAutoLock lock(mWebSocket->mMutex);
+ mHasWorkerHolderRegistered = aValue;
+ }
+#endif
+
+ nsWeakPtr mWeakLoadGroup;
+
+ bool mIsMainThread;
+
+ // This mutex protects mWorkerShuttingDown.
+ mozilla::Mutex mMutex;
+ bool mWorkerShuttingDown;
+
+ RefPtr<WebSocketEventService> mService;
+
+private:
+ ~WebSocketImpl()
+ {
+ // If we threw during Init we never called disconnect
+ if (!mDisconnectingOrDisconnected) {
+ Disconnect();
+ }
+ }
+};
+
+NS_IMPL_ISUPPORTS(WebSocketImpl,
+ nsIInterfaceRequestor,
+ nsIWebSocketListener,
+ nsIObserver,
+ nsISupportsWeakReference,
+ nsIRequest,
+ nsIEventTarget)
+
+class CallDispatchConnectionCloseEvents final : public CancelableRunnable
+{
+public:
+ explicit CallDispatchConnectionCloseEvents(WebSocketImpl* aWebSocketImpl)
+ : mWebSocketImpl(aWebSocketImpl)
+ {
+ aWebSocketImpl->AssertIsOnTargetThread();
+ }
+
+ NS_IMETHOD Run() override
+ {
+ mWebSocketImpl->AssertIsOnTargetThread();
+ mWebSocketImpl->DispatchConnectionCloseEvents();
+ return NS_OK;
+ }
+
+private:
+ RefPtr<WebSocketImpl> mWebSocketImpl;
+};
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl
+//-----------------------------------------------------------------------------
+
+namespace {
+
+class PrintErrorOnConsoleRunnable final : public WorkerMainThreadRunnable
+{
+public:
+ PrintErrorOnConsoleRunnable(WebSocketImpl* aImpl,
+ const char* aBundleURI,
+ const char16_t* aError,
+ const char16_t** aFormatStrings,
+ uint32_t aFormatStringsLen)
+ : WorkerMainThreadRunnable(aImpl->mWorkerPrivate,
+ NS_LITERAL_CSTRING("WebSocket :: print error on console"))
+ , mImpl(aImpl)
+ , mBundleURI(aBundleURI)
+ , mError(aError)
+ , mFormatStrings(aFormatStrings)
+ , mFormatStringsLen(aFormatStringsLen)
+ { }
+
+ bool MainThreadRun() override
+ {
+ mImpl->PrintErrorOnConsole(mBundleURI, mError, mFormatStrings,
+ mFormatStringsLen);
+ return true;
+ }
+
+private:
+ // Raw pointer because this runnable is sync.
+ WebSocketImpl* mImpl;
+
+ const char* mBundleURI;
+ const char16_t* mError;
+ const char16_t** mFormatStrings;
+ uint32_t mFormatStringsLen;
+};
+
+} // namespace
+
+void
+WebSocketImpl::PrintErrorOnConsole(const char *aBundleURI,
+ const char16_t *aError,
+ const char16_t **aFormatStrings,
+ uint32_t aFormatStringsLen)
+{
+ // This method must run on the main thread.
+
+ if (!NS_IsMainThread()) {
+ MOZ_ASSERT(mWorkerPrivate);
+
+ RefPtr<PrintErrorOnConsoleRunnable> runnable =
+ new PrintErrorOnConsoleRunnable(this, aBundleURI, aError, aFormatStrings,
+ aFormatStringsLen);
+ ErrorResult rv;
+ runnable->Dispatch(rv);
+ // XXXbz this seems totally broken. We should be propagating this out, but
+ // none of our callers really propagate anything usefully. Come to think of
+ // it, why is this a syncrunnable anyway? Can't this be a fire-and-forget
+ // runnable??
+ rv.SuppressException();
+ return;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIStringBundleService> bundleService =
+ do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ nsCOMPtr<nsIStringBundle> strBundle;
+ rv = bundleService->CreateBundle(aBundleURI, getter_AddRefs(strBundle));
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ nsCOMPtr<nsIConsoleService> console(
+ do_GetService(NS_CONSOLESERVICE_CONTRACTID, &rv));
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ nsCOMPtr<nsIScriptError> errorObject(
+ do_CreateInstance(NS_SCRIPTERROR_CONTRACTID, &rv));
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ // Localize the error message
+ nsXPIDLString message;
+ if (aFormatStrings) {
+ rv = strBundle->FormatStringFromName(aError, aFormatStrings,
+ aFormatStringsLen,
+ getter_Copies(message));
+ } else {
+ rv = strBundle->GetStringFromName(aError, getter_Copies(message));
+ }
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ if (mInnerWindowID) {
+ rv = errorObject->InitWithWindowID(message,
+ NS_ConvertUTF8toUTF16(mScriptFile),
+ EmptyString(), mScriptLine,
+ mScriptColumn,
+ nsIScriptError::errorFlag, "Web Socket",
+ mInnerWindowID);
+ } else {
+ rv = errorObject->Init(message,
+ NS_ConvertUTF8toUTF16(mScriptFile),
+ EmptyString(), mScriptLine, mScriptColumn,
+ nsIScriptError::errorFlag, "Web Socket");
+ }
+
+ NS_ENSURE_SUCCESS_VOID(rv);
+
+ // print the error message directly to the JS console
+ rv = console->LogMessage(errorObject);
+ NS_ENSURE_SUCCESS_VOID(rv);
+}
+
+namespace {
+
+class CancelWebSocketRunnable final : public Runnable
+{
+public:
+ CancelWebSocketRunnable(nsIWebSocketChannel* aChannel, uint16_t aReasonCode,
+ const nsACString& aReasonString)
+ : mChannel(aChannel)
+ , mReasonCode(aReasonCode)
+ , mReasonString(aReasonString)
+ {}
+
+ NS_IMETHOD Run() override
+ {
+ mChannel->Close(mReasonCode, mReasonString);
+ return NS_OK;
+ }
+
+private:
+ nsCOMPtr<nsIWebSocketChannel> mChannel;
+ uint16_t mReasonCode;
+ nsCString mReasonString;
+};
+
+class MOZ_STACK_CLASS MaybeDisconnect
+{
+public:
+ explicit MaybeDisconnect(WebSocketImpl* aImpl)
+ : mImpl(aImpl)
+ {
+ }
+
+ ~MaybeDisconnect()
+ {
+ bool toDisconnect = false;
+
+ {
+ MutexAutoLock lock(mImpl->mMutex);
+ toDisconnect = mImpl->mWorkerShuttingDown;
+ }
+
+ if (toDisconnect) {
+ mImpl->Disconnect();
+ }
+ }
+
+private:
+ WebSocketImpl* mImpl;
+};
+
+class CloseConnectionRunnable final : public Runnable
+{
+public:
+ CloseConnectionRunnable(WebSocketImpl* aImpl,
+ uint16_t aReasonCode,
+ const nsACString& aReasonString)
+ : mImpl(aImpl)
+ , mReasonCode(aReasonCode)
+ , mReasonString(aReasonString)
+ {}
+
+ NS_IMETHOD Run() override
+ {
+ return mImpl->CloseConnection(mReasonCode, mReasonString);
+ }
+
+private:
+ RefPtr<WebSocketImpl> mImpl;
+ uint16_t mReasonCode;
+ const nsCString mReasonString;
+};
+
+} // namespace
+
+nsresult
+WebSocketImpl::CloseConnection(uint16_t aReasonCode,
+ const nsACString& aReasonString)
+{
+ if (!IsTargetThread()) {
+ nsCOMPtr<nsIRunnable> runnable =
+ new CloseConnectionRunnable(this, aReasonCode, aReasonString);
+ return Dispatch(runnable.forget(), NS_DISPATCH_NORMAL);
+ }
+
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ // If this method is called because the worker is going away, we will not
+ // receive the OnStop() method and we have to disconnect the WebSocket and
+ // release the WorkerHolder.
+ MaybeDisconnect md(this);
+
+ uint16_t readyState = mWebSocket->ReadyState();
+ if (readyState == WebSocket::CLOSING ||
+ readyState == WebSocket::CLOSED) {
+ return NS_OK;
+ }
+
+ // The common case...
+ if (mChannel) {
+ mWebSocket->SetReadyState(WebSocket::CLOSING);
+
+ // The channel has to be closed on the main-thread.
+
+ if (NS_IsMainThread()) {
+ return mChannel->Close(aReasonCode, aReasonString);
+ }
+
+ RefPtr<CancelWebSocketRunnable> runnable =
+ new CancelWebSocketRunnable(mChannel, aReasonCode, aReasonString);
+ return NS_DispatchToMainThread(runnable);
+ }
+
+ // No channel, but not disconnected: canceled or failed early
+ MOZ_ASSERT(readyState == WebSocket::CONNECTING,
+ "Should only get here for early websocket cancel/error");
+
+ // Server won't be sending us a close code, so use what's passed in here.
+ mCloseEventCode = aReasonCode;
+ CopyUTF8toUTF16(aReasonString, mCloseEventReason);
+
+ mWebSocket->SetReadyState(WebSocket::CLOSING);
+
+ ScheduleConnectionCloseEvents(
+ nullptr,
+ (aReasonCode == nsIWebSocketChannel::CLOSE_NORMAL ||
+ aReasonCode == nsIWebSocketChannel::CLOSE_GOING_AWAY) ?
+ NS_OK : NS_ERROR_FAILURE);
+
+ return NS_OK;
+}
+
+nsresult
+WebSocketImpl::ConsoleError()
+{
+ AssertIsOnTargetThread();
+
+ {
+ MutexAutoLock lock(mMutex);
+ if (mWorkerShuttingDown) {
+ // Too late to report anything, bail out.
+ return NS_OK;
+ }
+ }
+
+ NS_ConvertUTF8toUTF16 specUTF16(mURI);
+ const char16_t* formatStrings[] = { specUTF16.get() };
+
+ if (mWebSocket->ReadyState() < WebSocket::OPEN) {
+ PrintErrorOnConsole("chrome://global/locale/appstrings.properties",
+ u"connectionFailure",
+ formatStrings, ArrayLength(formatStrings));
+ } else {
+ PrintErrorOnConsole("chrome://global/locale/appstrings.properties",
+ u"netInterrupt",
+ formatStrings, ArrayLength(formatStrings));
+ }
+ /// todo some specific errors - like for message too large
+ return NS_OK;
+}
+
+void
+WebSocketImpl::FailConnection(uint16_t aReasonCode,
+ const nsACString& aReasonString)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return;
+ }
+
+ ConsoleError();
+ mFailed = true;
+ CloseConnection(aReasonCode, aReasonString);
+}
+
+namespace {
+
+class DisconnectInternalRunnable final : public WorkerMainThreadRunnable
+{
+public:
+ explicit DisconnectInternalRunnable(WebSocketImpl* aImpl)
+ : WorkerMainThreadRunnable(aImpl->mWorkerPrivate,
+ NS_LITERAL_CSTRING("WebSocket :: disconnect"))
+ , mImpl(aImpl)
+ { }
+
+ bool MainThreadRun() override
+ {
+ mImpl->DisconnectInternal();
+ return true;
+ }
+
+private:
+ // A raw pointer because this runnable is sync.
+ WebSocketImpl* mImpl;
+};
+
+} // namespace
+
+void
+WebSocketImpl::Disconnect()
+{
+ if (mDisconnectingOrDisconnected) {
+ return;
+ }
+
+ AssertIsOnTargetThread();
+
+ // DontKeepAliveAnyMore() and DisconnectInternal() can release the object. So
+ // hold a reference to this until the end of the method.
+ RefPtr<WebSocketImpl> kungfuDeathGrip = this;
+
+ // Disconnect can be called from some control event (such as Notify() of
+ // WorkerHolder). This will be schedulated before any other sync/async
+ // runnable. In order to prevent some double Disconnect() calls, we use this
+ // boolean.
+ mDisconnectingOrDisconnected = true;
+
+ // DisconnectInternal touches observers and nsILoadGroup and it must run on
+ // the main thread.
+
+ if (NS_IsMainThread()) {
+ DisconnectInternal();
+ } else {
+ RefPtr<DisconnectInternalRunnable> runnable =
+ new DisconnectInternalRunnable(this);
+ ErrorResult rv;
+ runnable->Dispatch(rv);
+ // XXXbz this seems totally broken. We should be propagating this out, but
+ // where to, exactly?
+ rv.SuppressException();
+ }
+
+ NS_ReleaseOnMainThread(mChannel.forget());
+ NS_ReleaseOnMainThread(mService.forget());
+
+ mWebSocket->DontKeepAliveAnyMore();
+ mWebSocket->mImpl = nullptr;
+
+ if (mWorkerPrivate && mWorkerHolder) {
+ UnregisterWorkerHolder();
+ }
+
+ // We want to release the WebSocket in the correct thread.
+ mWebSocket = nullptr;
+}
+
+void
+WebSocketImpl::DisconnectInternal()
+{
+ AssertIsOnMainThread();
+
+ nsCOMPtr<nsILoadGroup> loadGroup = do_QueryReferent(mWeakLoadGroup);
+ if (loadGroup) {
+ loadGroup->RemoveRequest(this, nullptr, NS_OK);
+ // mWeakLoadGroup has to be release on main-thread because WeakReferences
+ // are not thread-safe.
+ mWeakLoadGroup = nullptr;
+ }
+
+ if (!mWorkerPrivate) {
+ nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
+ if (os) {
+ os->RemoveObserver(this, DOM_WINDOW_DESTROYED_TOPIC);
+ os->RemoveObserver(this, DOM_WINDOW_FROZEN_TOPIC);
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl::nsIWebSocketListener methods:
+//-----------------------------------------------------------------------------
+
+nsresult
+WebSocketImpl::DoOnMessageAvailable(const nsACString& aMsg, bool isBinary)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ int16_t readyState = mWebSocket->ReadyState();
+ if (readyState == WebSocket::CLOSED) {
+ NS_ERROR("Received message after CLOSED");
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ if (readyState == WebSocket::OPEN) {
+ // Dispatch New Message
+ nsresult rv = mWebSocket->CreateAndDispatchMessageEvent(aMsg, isBinary);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("Failed to dispatch the message event");
+ }
+
+ return NS_OK;
+ }
+
+ // CLOSING should be the only other state where it's possible to get msgs
+ // from channel: Spec says to drop them.
+ MOZ_ASSERT(readyState == WebSocket::CLOSING,
+ "Received message while CONNECTING or CLOSED");
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnMessageAvailable(nsISupports* aContext,
+ const nsACString& aMsg)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ return DoOnMessageAvailable(aMsg, false);
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnBinaryMessageAvailable(nsISupports* aContext,
+ const nsACString& aMsg)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ return DoOnMessageAvailable(aMsg, true);
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnStart(nsISupports* aContext)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ int16_t readyState = mWebSocket->ReadyState();
+
+ // This is the only function that sets OPEN, and should be called only once
+ MOZ_ASSERT(readyState != WebSocket::OPEN,
+ "readyState already OPEN! OnStart called twice?");
+
+ // Nothing to do if we've already closed/closing
+ if (readyState != WebSocket::CONNECTING) {
+ return NS_OK;
+ }
+
+ // Attempt to kill "ghost" websocket: but usually too early for check to fail
+ nsresult rv = mWebSocket->CheckInnerWindowCorrectness();
+ if (NS_FAILED(rv)) {
+ CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY);
+ return rv;
+ }
+
+ if (!mRequestedProtocolList.IsEmpty()) {
+ mChannel->GetProtocol(mWebSocket->mEstablishedProtocol);
+ }
+
+ mChannel->GetExtensions(mWebSocket->mEstablishedExtensions);
+ UpdateURI();
+
+ mWebSocket->SetReadyState(WebSocket::OPEN);
+
+ mService->WebSocketOpened(mChannel->Serial(),mInnerWindowID,
+ mWebSocket->mEffectiveURL,
+ mWebSocket->mEstablishedProtocol,
+ mWebSocket->mEstablishedExtensions);
+
+ // Let's keep the object alive because the webSocket can be CCed in the
+ // onopen callback.
+ RefPtr<WebSocket> webSocket = mWebSocket;
+
+ // Call 'onopen'
+ rv = webSocket->CreateAndDispatchSimpleEvent(NS_LITERAL_STRING("open"));
+ if (NS_FAILED(rv)) {
+ NS_WARNING("Failed to dispatch the open event");
+ }
+
+ webSocket->UpdateMustKeepAlive();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnStop(nsISupports* aContext, nsresult aStatusCode)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ // We can be CONNECTING here if connection failed.
+ // We can be OPEN if we have encountered a fatal protocol error
+ // We can be CLOSING if close() was called and/or server initiated close.
+ MOZ_ASSERT(mWebSocket->ReadyState() != WebSocket::CLOSED,
+ "Shouldn't already be CLOSED when OnStop called");
+
+ return ScheduleConnectionCloseEvents(aContext, aStatusCode);
+}
+
+nsresult
+WebSocketImpl::ScheduleConnectionCloseEvents(nsISupports* aContext,
+ nsresult aStatusCode)
+{
+ AssertIsOnTargetThread();
+
+ // no-op if some other code has already initiated close event
+ if (!mOnCloseScheduled) {
+ mCloseEventWasClean = NS_SUCCEEDED(aStatusCode);
+
+ if (aStatusCode == NS_BASE_STREAM_CLOSED) {
+ // don't generate an error event just because of an unclean close
+ aStatusCode = NS_OK;
+ }
+
+ if (NS_FAILED(aStatusCode)) {
+ ConsoleError();
+ mFailed = true;
+ }
+
+ mOnCloseScheduled = true;
+
+ NS_DispatchToCurrentThread(new CallDispatchConnectionCloseEvents(this));
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnAcknowledge(nsISupports *aContext, uint32_t aSize)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ if (aSize > mWebSocket->mOutgoingBufferedAmount) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ mWebSocket->mOutgoingBufferedAmount -= aSize;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::OnServerClose(nsISupports *aContext, uint16_t aCode,
+ const nsACString &aReason)
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ int16_t readyState = mWebSocket->ReadyState();
+
+ MOZ_ASSERT(readyState != WebSocket::CONNECTING,
+ "Received server close before connected?");
+ MOZ_ASSERT(readyState != WebSocket::CLOSED,
+ "Received server close after already closed!");
+
+ // store code/string for onclose DOM event
+ mCloseEventCode = aCode;
+ CopyUTF8toUTF16(aReason, mCloseEventReason);
+
+ if (readyState == WebSocket::OPEN) {
+ // Server initiating close.
+ // RFC 6455, 5.5.1: "When sending a Close frame in response, the endpoint
+ // typically echos the status code it received".
+ // But never send certain codes, per section 7.4.1
+ if (aCode == 1005 || aCode == 1006 || aCode == 1015) {
+ CloseConnection(0, EmptyCString());
+ } else {
+ CloseConnection(aCode, aReason);
+ }
+ } else {
+ // We initiated close, and server has replied: OnStop does rest of the work.
+ MOZ_ASSERT(readyState == WebSocket::CLOSING, "unknown state");
+ }
+
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl::nsIInterfaceRequestor
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+WebSocketImpl::GetInterface(const nsIID& aIID, void** aResult)
+{
+ AssertIsOnMainThread();
+
+ if (!mWebSocket || mWebSocket->ReadyState() == WebSocket::CLOSED) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (aIID.Equals(NS_GET_IID(nsIAuthPrompt)) ||
+ aIID.Equals(NS_GET_IID(nsIAuthPrompt2))) {
+ nsCOMPtr<nsPIDOMWindowInner> win = mWebSocket->GetWindowIfCurrent();
+ if (!win) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ nsresult rv;
+ nsCOMPtr<nsIPromptFactory> wwatch =
+ do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsPIDOMWindowOuter> outerWindow = win->GetOuterWindow();
+ return wwatch->GetPrompt(outerWindow, aIID, aResult);
+ }
+
+ return QueryInterface(aIID, aResult);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WebSocket
+////////////////////////////////////////////////////////////////////////////////
+
+WebSocket::WebSocket(nsPIDOMWindowInner* aOwnerWindow)
+ : DOMEventTargetHelper(aOwnerWindow)
+ , mIsMainThread(true)
+ , mKeepingAlive(false)
+ , mCheckMustKeepAlive(true)
+ , mOutgoingBufferedAmount(0)
+ , mBinaryType(dom::BinaryType::Blob)
+ , mMutex("WebSocket::mMutex")
+ , mReadyState(CONNECTING)
+{
+ mImpl = new WebSocketImpl(this);
+ mIsMainThread = mImpl->mIsMainThread;
+}
+
+WebSocket::~WebSocket()
+{
+}
+
+JSObject*
+WebSocket::WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto)
+{
+ return WebSocketBinding::Wrap(cx, this, aGivenProto);
+}
+
+//---------------------------------------------------------------------------
+// WebIDL
+//---------------------------------------------------------------------------
+
+// Constructor:
+already_AddRefed<WebSocket>
+WebSocket::Constructor(const GlobalObject& aGlobal,
+ const nsAString& aUrl,
+ ErrorResult& aRv)
+{
+ Sequence<nsString> protocols;
+ return WebSocket::ConstructorCommon(aGlobal, aUrl, protocols, nullptr,
+ EmptyCString(), aRv);
+}
+
+already_AddRefed<WebSocket>
+WebSocket::Constructor(const GlobalObject& aGlobal,
+ const nsAString& aUrl,
+ const nsAString& aProtocol,
+ ErrorResult& aRv)
+{
+ Sequence<nsString> protocols;
+ if (!protocols.AppendElement(aProtocol, fallible)) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return nullptr;
+ }
+
+ return WebSocket::ConstructorCommon(aGlobal, aUrl, protocols, nullptr,
+ EmptyCString(), aRv);
+}
+
+already_AddRefed<WebSocket>
+WebSocket::Constructor(const GlobalObject& aGlobal,
+ const nsAString& aUrl,
+ const Sequence<nsString>& aProtocols,
+ ErrorResult& aRv)
+{
+ return WebSocket::ConstructorCommon(aGlobal, aUrl, aProtocols, nullptr,
+ EmptyCString(), aRv);
+}
+
+already_AddRefed<WebSocket>
+WebSocket::CreateServerWebSocket(const GlobalObject& aGlobal,
+ const nsAString& aUrl,
+ const Sequence<nsString>& aProtocols,
+ nsITransportProvider* aTransportProvider,
+ const nsAString& aNegotiatedExtensions,
+ ErrorResult& aRv)
+{
+ return WebSocket::ConstructorCommon(aGlobal, aUrl, aProtocols, aTransportProvider,
+ NS_ConvertUTF16toUTF8(aNegotiatedExtensions), aRv);
+}
+
+namespace {
+
+// This class is used to clear any exception.
+class MOZ_STACK_CLASS ClearException
+{
+public:
+ explicit ClearException(JSContext* aCx)
+ : mCx(aCx)
+ {
+ }
+
+ ~ClearException()
+ {
+ JS_ClearPendingException(mCx);
+ }
+
+private:
+ JSContext* mCx;
+};
+
+class WebSocketMainThreadRunnable : public WorkerMainThreadRunnable
+{
+public:
+ WebSocketMainThreadRunnable(WorkerPrivate* aWorkerPrivate,
+ const nsACString& aTelemetryKey)
+ : WorkerMainThreadRunnable(aWorkerPrivate, aTelemetryKey)
+ {
+ MOZ_ASSERT(aWorkerPrivate);
+ aWorkerPrivate->AssertIsOnWorkerThread();
+ }
+
+ bool MainThreadRun() override
+ {
+ AssertIsOnMainThread();
+
+ // Walk up to our containing page
+ WorkerPrivate* wp = mWorkerPrivate;
+ while (wp->GetParent()) {
+ wp = wp->GetParent();
+ }
+
+ nsPIDOMWindowInner* window = wp->GetWindow();
+ if (window) {
+ return InitWithWindow(window);
+ }
+
+ return InitWindowless(wp);
+ }
+
+protected:
+ virtual bool InitWithWindow(nsPIDOMWindowInner* aWindow) = 0;
+
+ virtual bool InitWindowless(WorkerPrivate* aTopLevelWorkerPrivate) = 0;
+};
+
+class InitRunnable final : public WebSocketMainThreadRunnable
+{
+public:
+ InitRunnable(WebSocketImpl* aImpl, bool aIsServerSide,
+ const nsAString& aURL,
+ nsTArray<nsString>& aProtocolArray,
+ const nsACString& aScriptFile, uint32_t aScriptLine,
+ uint32_t aScriptColumn,
+ ErrorResult& aRv, bool* aConnectionFailed)
+ : WebSocketMainThreadRunnable(aImpl->mWorkerPrivate,
+ NS_LITERAL_CSTRING("WebSocket :: init"))
+ , mImpl(aImpl)
+ , mIsServerSide(aIsServerSide)
+ , mURL(aURL)
+ , mProtocolArray(aProtocolArray)
+ , mScriptFile(aScriptFile)
+ , mScriptLine(aScriptLine)
+ , mScriptColumn(aScriptColumn)
+ , mRv(aRv)
+ , mConnectionFailed(aConnectionFailed)
+ {
+ MOZ_ASSERT(mWorkerPrivate);
+ mWorkerPrivate->AssertIsOnWorkerThread();
+ }
+
+protected:
+ virtual bool InitWithWindow(nsPIDOMWindowInner* aWindow) override
+ {
+ AutoJSAPI jsapi;
+ if (NS_WARN_IF(!jsapi.Init(aWindow))) {
+ mRv.Throw(NS_ERROR_FAILURE);
+ return true;
+ }
+
+ ClearException ce(jsapi.cx());
+
+ nsIDocument* doc = aWindow->GetExtantDoc();
+ if (!doc) {
+ mRv.Throw(NS_ERROR_FAILURE);
+ return true;
+ }
+
+ nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal();
+ if (!principal) {
+ mRv.Throw(NS_ERROR_FAILURE);
+ return true;
+ }
+
+ mImpl->Init(jsapi.cx(), principal, mIsServerSide, mURL, mProtocolArray,
+ mScriptFile, mScriptLine, mScriptColumn, mRv,
+ mConnectionFailed);
+ return true;
+ }
+
+ virtual bool InitWindowless(WorkerPrivate* aTopLevelWorkerPrivate) override
+ {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aTopLevelWorkerPrivate && !aTopLevelWorkerPrivate->GetWindow());
+
+ mImpl->Init(nullptr, aTopLevelWorkerPrivate->GetPrincipal(), mIsServerSide,
+ mURL, mProtocolArray, mScriptFile, mScriptLine, mScriptColumn,
+ mRv, mConnectionFailed);
+ return true;
+ }
+
+ // Raw pointer. This worker runs synchronously.
+ WebSocketImpl* mImpl;
+
+ bool mIsServerSide;
+ const nsAString& mURL;
+ nsTArray<nsString>& mProtocolArray;
+ nsCString mScriptFile;
+ uint32_t mScriptLine;
+ uint32_t mScriptColumn;
+ ErrorResult& mRv;
+ bool* mConnectionFailed;
+};
+
+class AsyncOpenRunnable final : public WebSocketMainThreadRunnable
+{
+public:
+ AsyncOpenRunnable(WebSocketImpl* aImpl, ErrorResult& aRv)
+ : WebSocketMainThreadRunnable(aImpl->mWorkerPrivate,
+ NS_LITERAL_CSTRING("WebSocket :: AsyncOpen"))
+ , mImpl(aImpl)
+ , mRv(aRv)
+ {
+ MOZ_ASSERT(mWorkerPrivate);
+ mWorkerPrivate->AssertIsOnWorkerThread();
+ }
+
+protected:
+ virtual bool InitWithWindow(nsPIDOMWindowInner* aWindow) override
+ {
+ AssertIsOnMainThread();
+ MOZ_ASSERT(aWindow);
+
+ nsIDocument* doc = aWindow->GetExtantDoc();
+ if (!doc) {
+ mRv.Throw(NS_ERROR_FAILURE);
+ return true;
+ }
+
+ nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal();
+ if (!principal) {
+ mRv.Throw(NS_ERROR_FAILURE);
+ return true;
+ }
+
+ uint64_t windowID = 0;
+ nsCOMPtr<nsPIDOMWindowOuter> topWindow = aWindow->GetScriptableTop();
+ nsCOMPtr<nsPIDOMWindowInner> topInner;
+ if (topWindow) {
+ topInner = topWindow->GetCurrentInnerWindow();
+ }
+
+ if (topInner) {
+ windowID = topInner->WindowID();
+ }
+
+ mImpl->AsyncOpen(principal, windowID, nullptr, EmptyCString(), mRv);
+ return true;
+ }
+
+ virtual bool InitWindowless(WorkerPrivate* aTopLevelWorkerPrivate) override
+ {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aTopLevelWorkerPrivate && !aTopLevelWorkerPrivate->GetWindow());
+
+ mImpl->AsyncOpen(aTopLevelWorkerPrivate->GetPrincipal(), 0, nullptr,
+ EmptyCString(), mRv);
+ return true;
+ }
+
+private:
+ // Raw pointer. This worker runs synchronously.
+ WebSocketImpl* mImpl;
+
+ ErrorResult& mRv;
+};
+
+} // namespace
+
+already_AddRefed<WebSocket>
+WebSocket::ConstructorCommon(const GlobalObject& aGlobal,
+ const nsAString& aUrl,
+ const Sequence<nsString>& aProtocols,
+ nsITransportProvider* aTransportProvider,
+ const nsACString& aNegotiatedExtensions,
+ ErrorResult& aRv)
+{
+ MOZ_ASSERT_IF(!aTransportProvider, aNegotiatedExtensions.IsEmpty());
+ nsCOMPtr<nsIPrincipal> principal;
+ nsCOMPtr<nsPIDOMWindowInner> ownerWindow;
+
+ if (NS_IsMainThread()) {
+ nsCOMPtr<nsIScriptObjectPrincipal> scriptPrincipal =
+ do_QueryInterface(aGlobal.GetAsSupports());
+ if (!scriptPrincipal) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ 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;
+ }
+
+ ownerWindow = do_QueryInterface(aGlobal.GetAsSupports());
+ if (!ownerWindow) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+ }
+
+ MOZ_ASSERT_IF(ownerWindow, ownerWindow->IsInnerWindow());
+
+ 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);
+ }
+
+ RefPtr<WebSocket> webSocket = new WebSocket(ownerWindow);
+ RefPtr<WebSocketImpl> webSocketImpl = webSocket->mImpl;
+
+ bool connectionFailed = true;
+
+ if (NS_IsMainThread()) {
+ webSocketImpl->Init(aGlobal.Context(), principal, !!aTransportProvider,
+ aUrl, protocolArray, EmptyCString(),
+ 0, 0, aRv, &connectionFailed);
+ } else {
+ // In workers we have to keep the worker alive using a workerHolder in order
+ // to dispatch messages correctly.
+ if (!webSocketImpl->RegisterWorkerHolder()) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ unsigned lineno, column;
+ JS::AutoFilename file;
+ if (!JS::DescribeScriptedCaller(aGlobal.Context(), &file, &lineno,
+ &column)) {
+ NS_WARNING("Failed to get line number and filename in workers.");
+ }
+
+ RefPtr<InitRunnable> runnable =
+ new InitRunnable(webSocketImpl, !!aTransportProvider, aUrl,
+ protocolArray, nsDependentCString(file.get()), lineno,
+ column, aRv, &connectionFailed);
+ runnable->Dispatch(aRv);
+ }
+
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ // It can be that we have been already disconnected because the WebSocket is
+ // gone away while we where initializing the webSocket.
+ if (!webSocket->mImpl) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ // We don't return an error if the connection just failed. Instead we dispatch
+ // an event.
+ if (connectionFailed) {
+ webSocket->mImpl->FailConnection(nsIWebSocketChannel::CLOSE_ABNORMAL);
+ }
+
+ // If we don't have a channel, the connection is failed and onerror() will be
+ // called asynchrounsly.
+ if (!webSocket->mImpl->mChannel) {
+ return webSocket.forget();
+ }
+
+ class MOZ_STACK_CLASS ClearWebSocket
+ {
+ public:
+ explicit ClearWebSocket(WebSocketImpl* aWebSocketImpl)
+ : mWebSocketImpl(aWebSocketImpl)
+ , mDone(false)
+ {
+ }
+
+ void Done()
+ {
+ mDone = true;
+ }
+
+ ~ClearWebSocket()
+ {
+ if (!mDone) {
+ mWebSocketImpl->mChannel = nullptr;
+ mWebSocketImpl->FailConnection(nsIWebSocketChannel::CLOSE_ABNORMAL);
+ }
+ }
+
+ WebSocketImpl* mWebSocketImpl;
+ bool mDone;
+ };
+
+ ClearWebSocket cws(webSocket->mImpl);
+
+ // This operation must be done on the correct thread. The rest must run on the
+ // main-thread.
+ aRv = webSocket->mImpl->mChannel->SetNotificationCallbacks(webSocket->mImpl);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ if (NS_IsMainThread()) {
+ MOZ_ASSERT(principal);
+
+ nsPIDOMWindowOuter* outerWindow = ownerWindow->GetOuterWindow();
+
+ uint64_t windowID = 0;
+ nsCOMPtr<nsPIDOMWindowOuter> topWindow = outerWindow->GetScriptableTop();
+ nsCOMPtr<nsPIDOMWindowInner> topInner;
+ if (topWindow) {
+ topInner = topWindow->GetCurrentInnerWindow();
+ }
+
+ if (topInner) {
+ windowID = topInner->WindowID();
+ }
+
+ webSocket->mImpl->AsyncOpen(principal, windowID, aTransportProvider,
+ aNegotiatedExtensions, aRv);
+ } else {
+ MOZ_ASSERT(!aTransportProvider && aNegotiatedExtensions.IsEmpty(),
+ "not yet implemented");
+ RefPtr<AsyncOpenRunnable> runnable =
+ new AsyncOpenRunnable(webSocket->mImpl, aRv);
+ runnable->Dispatch(aRv);
+ }
+
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ // It can be that we have been already disconnected because the WebSocket is
+ // gone away while we where initializing the webSocket.
+ if (!webSocket->mImpl) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ // Let's inform devtools about this new active WebSocket.
+ webSocket->mImpl->mService->WebSocketCreated(webSocket->mImpl->mChannel->Serial(),
+ webSocket->mImpl->mInnerWindowID,
+ webSocket->mURI,
+ webSocket->mImpl->mRequestedProtocolList);
+
+ cws.Done();
+ return webSocket.forget();
+}
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(WebSocket)
+
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_BEGIN(WebSocket)
+ bool isBlack = tmp->IsBlack();
+ if (isBlack || tmp->mKeepingAlive) {
+ if (tmp->mListenerManager) {
+ tmp->mListenerManager->MarkForCC();
+ }
+ if (!isBlack && tmp->PreservingWrapper()) {
+ // This marks the wrapper black.
+ tmp->GetWrapper();
+ }
+ return true;
+ }
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_END
+
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_BEGIN(WebSocket)
+ return tmp->IsBlack();
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_END
+
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_BEGIN(WebSocket)
+ return tmp->IsBlack();
+NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_END
+
+NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(WebSocket,
+ DOMEventTargetHelper)
+NS_IMPL_CYCLE_COLLECTION_TRACE_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(WebSocket,
+ DOMEventTargetHelper)
+ if (tmp->mImpl) {
+ NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImpl->mChannel)
+ }
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(WebSocket,
+ DOMEventTargetHelper)
+ if (tmp->mImpl) {
+ NS_IMPL_CYCLE_COLLECTION_UNLINK(mImpl->mChannel)
+ tmp->mImpl->Disconnect();
+ MOZ_ASSERT(!tmp->mImpl);
+ }
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(WebSocket)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+NS_IMPL_ADDREF_INHERITED(WebSocket, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(WebSocket, DOMEventTargetHelper)
+
+void
+WebSocket::DisconnectFromOwner()
+{
+ AssertIsOnMainThread();
+ DOMEventTargetHelper::DisconnectFromOwner();
+
+ if (mImpl) {
+ mImpl->CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY);
+ }
+
+ DontKeepAliveAnyMore();
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl:: initialization
+//-----------------------------------------------------------------------------
+
+void
+WebSocketImpl::Init(JSContext* aCx,
+ nsIPrincipal* aPrincipal,
+ bool aIsServerSide,
+ const nsAString& aURL,
+ nsTArray<nsString>& aProtocolArray,
+ const nsACString& aScriptFile,
+ uint32_t aScriptLine,
+ uint32_t aScriptColumn,
+ ErrorResult& aRv,
+ bool* aConnectionFailed)
+{
+ AssertIsOnMainThread();
+ MOZ_ASSERT(aPrincipal);
+
+ mService = WebSocketEventService::GetOrCreate();
+
+ // We need to keep the implementation alive in case the init disconnects it
+ // because of some error.
+ RefPtr<WebSocketImpl> kungfuDeathGrip = this;
+
+ // Attempt to kill "ghost" websocket: but usually too early for check to fail
+ aRv = mWebSocket->CheckInnerWindowCorrectness();
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ // Shut down websocket if window is frozen or destroyed (only needed for
+ // "ghost" websockets--see bug 696085)
+ if (!mWorkerPrivate) {
+ nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
+ if (NS_WARN_IF(!os)) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return;
+ }
+
+ aRv = os->AddObserver(this, DOM_WINDOW_DESTROYED_TOPIC, true);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ aRv = os->AddObserver(this, DOM_WINDOW_FROZEN_TOPIC, true);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+ }
+
+ if (mWorkerPrivate) {
+ mScriptFile = aScriptFile;
+ mScriptLine = aScriptLine;
+ mScriptColumn = aScriptColumn;
+ } else {
+ MOZ_ASSERT(aCx);
+
+ unsigned lineno, column;
+ JS::AutoFilename file;
+ if (JS::DescribeScriptedCaller(aCx, &file, &lineno, &column)) {
+ mScriptFile = file.get();
+ mScriptLine = lineno;
+ mScriptColumn = column;
+ }
+ }
+
+ mIsServerSide = aIsServerSide;
+
+ // If we don't have aCx, we are window-less, so we don't have a
+ // inner-windowID. This can happen in sharedWorkers and ServiceWorkers or in
+ // DedicateWorkers created by JSM.
+ if (aCx) {
+ mInnerWindowID = nsJSUtils::GetCurrentlyRunningCodeInnerWindowID(aCx);
+ }
+
+ // parses the url
+ aRv = ParseURL(PromiseFlatString(aURL));
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ nsCOMPtr<nsIDocument> originDoc = mWebSocket->GetDocumentIfCurrent();
+ if (!originDoc) {
+ nsresult rv = mWebSocket->CheckInnerWindowCorrectness();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ aRv.Throw(rv);
+ return;
+ }
+ }
+ mOriginDocument = do_GetWeakReference(originDoc);
+
+ if (!mIsServerSide) {
+ nsCOMPtr<nsIURI> uri;
+ {
+ nsresult rv = NS_NewURI(getter_AddRefs(uri), mURI);
+
+ // We crash here because we are sure that mURI is a valid URI, so either we
+ // are OOM'ing or something else bad is happening.
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ MOZ_CRASH();
+ }
+ }
+
+ // The 'real' nsHttpChannel of the websocket gets opened in the parent.
+ // Since we don't serialize the CSP within child and parent and also not
+ // the context, we have to perform content policy checks here instead of
+ // AsyncOpen2().
+ // Please note that websockets can't follow redirects, hence there is no
+ // need to perform a CSP check after redirects.
+ int16_t shouldLoad = nsIContentPolicy::ACCEPT;
+ aRv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_WEBSOCKET,
+ uri,
+ aPrincipal,
+ originDoc,
+ EmptyCString(),
+ nullptr,
+ &shouldLoad,
+ nsContentUtils::GetContentPolicy(),
+ nsContentUtils::GetSecurityManager());
+
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ if (NS_CP_REJECTED(shouldLoad)) {
+ // Disallowed by content policy
+ aRv.Throw(NS_ERROR_CONTENT_BLOCKED);
+ return;
+ }
+ }
+
+ // Potentially the page uses the CSP directive 'upgrade-insecure-requests'.
+ // In such a case we have to upgrade ws: to wss: and also update mSecure
+ // to reflect that upgrade. Please note that we can not upgrade from ws:
+ // to wss: before performing content policy checks because CSP needs to
+ // send reports in case the scheme is about to be upgraded.
+ if (!mIsServerSide && !mSecure && originDoc &&
+ originDoc->GetUpgradeInsecureRequests(false)) {
+ // let's use the old specification before the upgrade for logging
+ NS_ConvertUTF8toUTF16 reportSpec(mURI);
+
+ // upgrade the request from ws:// to wss:// and mark as secure
+ mURI.ReplaceSubstring("ws://", "wss://");
+ if (NS_WARN_IF(mURI.Find("wss://") != 0)) {
+ return;
+ }
+ mSecure = true;
+
+ const char16_t* params[] = { reportSpec.get(), u"wss" };
+ CSP_LogLocalizedStr(u"upgradeInsecureRequest",
+ params, ArrayLength(params),
+ EmptyString(), // aSourceFile
+ EmptyString(), // aScriptSample
+ 0, // aLineNumber
+ 0, // aColumnNumber
+ nsIScriptError::warningFlag, "CSP",
+ mInnerWindowID);
+ }
+
+ // Don't allow https:// to open ws://
+ if (!mIsServerSide && !mSecure &&
+ !Preferences::GetBool("network.websocket.allowInsecureFromHTTPS",
+ false)) {
+ // Confirmed we are opening plain ws:// and want to prevent this from a
+ // secure context (e.g. https).
+ nsCOMPtr<nsIPrincipal> principal;
+ nsCOMPtr<nsIURI> originURI;
+ if (mWorkerPrivate) {
+ // For workers, retrieve the URI from the WorkerPrivate
+ principal = mWorkerPrivate->GetPrincipal();
+ } else {
+ // Check the principal's uri to determine if we were loaded from https.
+ nsCOMPtr<nsIGlobalObject> globalObject(GetEntryGlobal());
+ if (globalObject) {
+ principal = globalObject->PrincipalOrNull();
+ }
+
+ nsCOMPtr<nsPIDOMWindowInner> innerWindow;
+
+ while (true) {
+ if (principal && !principal->GetIsNullPrincipal()) {
+ break;
+ }
+
+ if (!innerWindow) {
+ innerWindow = do_QueryInterface(globalObject);
+ if (!innerWindow) {
+ // If we are in a XPConnect sandbox or in a JS component,
+ // innerWindow will be null. There is nothing on top of this to be
+ // considered.
+ break;
+ }
+ }
+
+ nsCOMPtr<nsPIDOMWindowOuter> parentWindow =
+ innerWindow->GetScriptableParent();
+ if (NS_WARN_IF(!parentWindow)) {
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ nsCOMPtr<nsPIDOMWindowInner> currentInnerWindow =
+ parentWindow->GetCurrentInnerWindow();
+ if (NS_WARN_IF(!currentInnerWindow)) {
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ // We are at the top. Let's see if we have an opener window.
+ if (innerWindow == currentInnerWindow) {
+ ErrorResult error;
+ parentWindow =
+ nsGlobalWindow::Cast(innerWindow)->GetOpenerWindow(error);
+ if (NS_WARN_IF(error.Failed())) {
+ error.SuppressException();
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ if (!parentWindow) {
+ break;
+ }
+
+ currentInnerWindow = parentWindow->GetCurrentInnerWindow();
+ if (NS_WARN_IF(!currentInnerWindow)) {
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ MOZ_ASSERT(currentInnerWindow != innerWindow);
+ }
+
+ innerWindow = currentInnerWindow;
+
+ nsCOMPtr<nsIDocument> document = innerWindow->GetExtantDoc();
+ if (NS_WARN_IF(!document)) {
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+
+ principal = document->NodePrincipal();
+ }
+ }
+
+ if (principal) {
+ principal->GetURI(getter_AddRefs(originURI));
+ }
+
+ if (originURI) {
+ bool originIsHttps = false;
+ aRv = originURI->SchemeIs("https", &originIsHttps);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+ if (originIsHttps) {
+ aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+ return;
+ }
+ }
+ }
+
+ // Assign the sub protocol list and scan it for illegal values
+ for (uint32_t index = 0; index < aProtocolArray.Length(); ++index) {
+ for (uint32_t i = 0; i < aProtocolArray[index].Length(); ++i) {
+ if (aProtocolArray[index][i] < static_cast<char16_t>(0x0021) ||
+ aProtocolArray[index][i] > static_cast<char16_t>(0x007E)) {
+ aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
+ return;
+ }
+ }
+
+ if (!mRequestedProtocolList.IsEmpty()) {
+ mRequestedProtocolList.AppendLiteral(", ");
+ }
+
+ AppendUTF16toUTF8(aProtocolArray[index], mRequestedProtocolList);
+ }
+
+ // the constructor should throw a SYNTAX_ERROR only if it fails to parse the
+ // url parameter, so don't throw if InitializeConnection fails, and call
+ // onerror/onclose asynchronously
+ if (NS_FAILED(InitializeConnection(aPrincipal))) {
+ *aConnectionFailed = true;
+ } else {
+ *aConnectionFailed = false;
+ }
+}
+
+void
+WebSocketImpl::AsyncOpen(nsIPrincipal* aPrincipal, uint64_t aInnerWindowID,
+ nsITransportProvider* aTransportProvider,
+ const nsACString& aNegotiatedExtensions,
+ ErrorResult& aRv)
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Not running on main thread");
+ MOZ_ASSERT_IF(!aTransportProvider, aNegotiatedExtensions.IsEmpty());
+
+ nsCString asciiOrigin;
+ aRv = nsContentUtils::GetASCIIOrigin(aPrincipal, asciiOrigin);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ if (aTransportProvider) {
+ aRv = mChannel->SetServerParameters(aTransportProvider, aNegotiatedExtensions);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+ }
+
+ ToLowerCase(asciiOrigin);
+
+ nsCOMPtr<nsIURI> uri;
+ if (!aTransportProvider) {
+ aRv = NS_NewURI(getter_AddRefs(uri), mURI);
+ MOZ_ASSERT(!aRv.Failed());
+ }
+
+ aRv = mChannel->AsyncOpen(uri, asciiOrigin, aInnerWindowID, this, nullptr);
+ if (NS_WARN_IF(aRv.Failed())) {
+ aRv.Throw(NS_ERROR_CONTENT_BLOCKED);
+ return;
+ }
+
+ mInnerWindowID = aInnerWindowID;
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl methods:
+//-----------------------------------------------------------------------------
+
+class nsAutoCloseWS final
+{
+public:
+ explicit nsAutoCloseWS(WebSocketImpl* aWebSocketImpl)
+ : mWebSocketImpl(aWebSocketImpl)
+ {}
+
+ ~nsAutoCloseWS()
+ {
+ if (!mWebSocketImpl->mChannel) {
+ mWebSocketImpl->CloseConnection(nsIWebSocketChannel::CLOSE_INTERNAL_ERROR);
+ }
+ }
+private:
+ RefPtr<WebSocketImpl> mWebSocketImpl;
+};
+
+nsresult
+WebSocketImpl::InitializeConnection(nsIPrincipal* aPrincipal)
+{
+ AssertIsOnMainThread();
+ MOZ_ASSERT(!mChannel, "mChannel should be null");
+
+ nsCOMPtr<nsIWebSocketChannel> wsChannel;
+ nsAutoCloseWS autoClose(this);
+ nsresult rv;
+
+ if (mSecure) {
+ wsChannel =
+ do_CreateInstance("@mozilla.org/network/protocol;1?name=wss", &rv);
+ } else {
+ wsChannel =
+ do_CreateInstance("@mozilla.org/network/protocol;1?name=ws", &rv);
+ }
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // add ourselves to the document's load group and
+ // provide the http stack the loadgroup info too
+ nsCOMPtr<nsILoadGroup> loadGroup;
+ rv = GetLoadGroup(getter_AddRefs(loadGroup));
+ if (loadGroup) {
+ rv = wsChannel->SetLoadGroup(loadGroup);
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = loadGroup->AddRequest(this, nullptr);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ mWeakLoadGroup = do_GetWeakReference(loadGroup);
+ }
+
+ // manually adding loadinfo to the channel since it
+ // was not set during channel creation.
+ nsCOMPtr<nsIDocument> doc = do_QueryReferent(mOriginDocument);
+
+ // mOriginDocument has to be release on main-thread because WeakReferences
+ // are not thread-safe.
+ mOriginDocument = nullptr;
+
+
+ // The TriggeringPrincipal for websockets must always be a script.
+ // Let's make sure that the doc's principal (if a doc exists)
+ // and aPrincipal are same origin.
+ MOZ_ASSERT(!doc || doc->NodePrincipal()->Equals(aPrincipal));
+
+ wsChannel->InitLoadInfo(doc ? doc->AsDOMNode() : nullptr,
+ doc ? doc->NodePrincipal() : aPrincipal,
+ aPrincipal,
+ nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL,
+ nsIContentPolicy::TYPE_WEBSOCKET);
+
+ if (!mRequestedProtocolList.IsEmpty()) {
+ rv = wsChannel->SetProtocol(mRequestedProtocolList);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ nsCOMPtr<nsIThreadRetargetableRequest> rr = do_QueryInterface(wsChannel);
+ NS_ENSURE_TRUE(rr, NS_ERROR_FAILURE);
+
+ rv = rr->RetargetDeliveryTo(this);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ mChannel = wsChannel;
+
+ return NS_OK;
+}
+
+void
+WebSocketImpl::DispatchConnectionCloseEvents()
+{
+ AssertIsOnTargetThread();
+
+ if (mDisconnectingOrDisconnected) {
+ return;
+ }
+
+ mWebSocket->SetReadyState(WebSocket::CLOSED);
+
+ // Let's keep the object alive because the webSocket can be CCed in the
+ // onerror or in the onclose callback.
+ RefPtr<WebSocket> webSocket = mWebSocket;
+
+ // Call 'onerror' if needed
+ if (mFailed) {
+ nsresult rv =
+ webSocket->CreateAndDispatchSimpleEvent(NS_LITERAL_STRING("error"));
+ if (NS_FAILED(rv)) {
+ NS_WARNING("Failed to dispatch the error event");
+ }
+ }
+
+ nsresult rv = webSocket->CreateAndDispatchCloseEvent(mCloseEventWasClean,
+ mCloseEventCode,
+ mCloseEventReason);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("Failed to dispatch the close event");
+ }
+
+ webSocket->UpdateMustKeepAlive();
+ Disconnect();
+}
+
+nsresult
+WebSocket::CreateAndDispatchSimpleEvent(const nsAString& aName)
+{
+ MOZ_ASSERT(mImpl);
+ AssertIsOnTargetThread();
+
+ nsresult rv = CheckInnerWindowCorrectness();
+ if (NS_FAILED(rv)) {
+ return NS_OK;
+ }
+
+ RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
+
+ // it doesn't bubble, and it isn't cancelable
+ event->InitEvent(aName, false, false);
+ event->SetTrusted(true);
+
+ return DispatchDOMEvent(nullptr, event, nullptr, nullptr);
+}
+
+nsresult
+WebSocket::CreateAndDispatchMessageEvent(const nsACString& aData,
+ bool aIsBinary)
+{
+ MOZ_ASSERT(mImpl);
+ AssertIsOnTargetThread();
+
+ AutoJSAPI jsapi;
+
+ if (NS_IsMainThread()) {
+ if (NS_WARN_IF(!jsapi.Init(GetOwner()))) {
+ return NS_ERROR_FAILURE;
+ }
+ } else {
+ MOZ_ASSERT(!mIsMainThread);
+ MOZ_ASSERT(mImpl->mWorkerPrivate);
+ if (NS_WARN_IF(!jsapi.Init(mImpl->mWorkerPrivate->GlobalScope()))) {
+ return NS_ERROR_FAILURE;
+ }
+ }
+
+ JSContext* cx = jsapi.cx();
+
+ nsresult rv = CheckInnerWindowCorrectness();
+ if (NS_FAILED(rv)) {
+ return NS_OK;
+ }
+
+ uint16_t messageType = nsIWebSocketEventListener::TYPE_STRING;
+
+ // Create appropriate JS object for message
+ JS::Rooted<JS::Value> jsData(cx);
+ if (aIsBinary) {
+ if (mBinaryType == dom::BinaryType::Blob) {
+ messageType = nsIWebSocketEventListener::TYPE_BLOB;
+
+ RefPtr<Blob> blob =
+ Blob::CreateStringBlob(GetOwner(), aData, EmptyString());
+ MOZ_ASSERT(blob);
+
+ if (!ToJSValue(cx, blob, &jsData)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ } else if (mBinaryType == dom::BinaryType::Arraybuffer) {
+ messageType = nsIWebSocketEventListener::TYPE_ARRAYBUFFER;
+
+ JS::Rooted<JSObject*> arrayBuf(cx);
+ nsresult rv = nsContentUtils::CreateArrayBuffer(cx, aData,
+ arrayBuf.address());
+ NS_ENSURE_SUCCESS(rv, rv);
+ jsData.setObject(*arrayBuf);
+ } else {
+ NS_RUNTIMEABORT("Unknown binary type!");
+ return NS_ERROR_UNEXPECTED;
+ }
+ } else {
+ // JS string
+ NS_ConvertUTF8toUTF16 utf16Data(aData);
+ JSString* jsString;
+ jsString = JS_NewUCStringCopyN(cx, utf16Data.get(), utf16Data.Length());
+ NS_ENSURE_TRUE(jsString, NS_ERROR_FAILURE);
+
+ jsData.setString(jsString);
+ }
+
+ mImpl->mService->WebSocketMessageAvailable(mImpl->mChannel->Serial(),
+ mImpl->mInnerWindowID,
+ aData, messageType);
+
+ // create an event that uses the MessageEvent interface,
+ // which does not bubble, is not cancelable, and has no default action
+
+ RefPtr<MessageEvent> event = new MessageEvent(this, nullptr, nullptr);
+
+ event->InitMessageEvent(nullptr, NS_LITERAL_STRING("message"), false, false,
+ jsData, mImpl->mUTF16Origin, EmptyString(), nullptr,
+ Sequence<OwningNonNull<MessagePort>>());
+ event->SetTrusted(true);
+
+ return DispatchDOMEvent(nullptr, static_cast<Event*>(event), nullptr,
+ nullptr);
+}
+
+nsresult
+WebSocket::CreateAndDispatchCloseEvent(bool aWasClean,
+ uint16_t aCode,
+ const nsAString& aReason)
+{
+ AssertIsOnTargetThread();
+
+ // This method is called by a runnable and it can happen that, in the
+ // meantime, GC unlinked this object, so mImpl could be null.
+ if (mImpl && mImpl->mChannel) {
+ mImpl->mService->WebSocketClosed(mImpl->mChannel->Serial(),
+ mImpl->mInnerWindowID,
+ aWasClean, aCode, aReason);
+ }
+
+ nsresult rv = CheckInnerWindowCorrectness();
+ if (NS_FAILED(rv)) {
+ return NS_OK;
+ }
+
+ CloseEventInit init;
+ init.mBubbles = false;
+ init.mCancelable = false;
+ init.mWasClean = aWasClean;
+ init.mCode = aCode;
+ init.mReason = aReason;
+
+ RefPtr<CloseEvent> event =
+ CloseEvent::Constructor(this, NS_LITERAL_STRING("close"), init);
+ event->SetTrusted(true);
+
+ return DispatchDOMEvent(nullptr, event, nullptr, nullptr);
+}
+
+nsresult
+WebSocketImpl::ParseURL(const nsAString& aURL)
+{
+ AssertIsOnMainThread();
+ NS_ENSURE_TRUE(!aURL.IsEmpty(), NS_ERROR_DOM_SYNTAX_ERR);
+
+ if (mIsServerSide) {
+ mWebSocket->mURI = aURL;
+ CopyUTF16toUTF8(mWebSocket->mURI, mURI);
+
+ return NS_OK;
+ }
+
+ nsCOMPtr<nsIURI> uri;
+ nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ nsCOMPtr<nsIURL> parsedURL = do_QueryInterface(uri, &rv);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ bool hasRef;
+ rv = parsedURL->GetHasRef(&hasRef);
+ NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && !hasRef,
+ NS_ERROR_DOM_SYNTAX_ERR);
+
+ nsAutoCString scheme;
+ rv = parsedURL->GetScheme(scheme);
+ NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && !scheme.IsEmpty(),
+ NS_ERROR_DOM_SYNTAX_ERR);
+
+ nsAutoCString host;
+ rv = parsedURL->GetAsciiHost(host);
+ NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && !host.IsEmpty(), NS_ERROR_DOM_SYNTAX_ERR);
+
+ int32_t port;
+ rv = parsedURL->GetPort(&port);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ rv = NS_CheckPortSafety(port, scheme.get());
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SECURITY_ERR);
+
+ nsAutoCString filePath;
+ rv = parsedURL->GetFilePath(filePath);
+ if (filePath.IsEmpty()) {
+ filePath.Assign('/');
+ }
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ nsAutoCString query;
+ rv = parsedURL->GetQuery(query);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ if (scheme.LowerCaseEqualsLiteral("ws")) {
+ mSecure = false;
+ mPort = (port == -1) ? DEFAULT_WS_SCHEME_PORT : port;
+ } else if (scheme.LowerCaseEqualsLiteral("wss")) {
+ mSecure = true;
+ mPort = (port == -1) ? DEFAULT_WSS_SCHEME_PORT : port;
+ } else {
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+
+ rv = nsContentUtils::GetUTFOrigin(parsedURL, mUTF16Origin);
+ NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_SYNTAX_ERR);
+
+ mAsciiHost = host;
+ ToLowerCase(mAsciiHost);
+
+ mResource = filePath;
+ if (!query.IsEmpty()) {
+ mResource.Append('?');
+ mResource.Append(query);
+ }
+ uint32_t length = mResource.Length();
+ uint32_t i;
+ for (i = 0; i < length; ++i) {
+ if (mResource[i] < static_cast<char16_t>(0x0021) ||
+ mResource[i] > static_cast<char16_t>(0x007E)) {
+ return NS_ERROR_DOM_SYNTAX_ERR;
+ }
+ }
+
+ rv = parsedURL->GetSpec(mURI);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+ CopyUTF8toUTF16(mURI, mWebSocket->mURI);
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// Methods that keep alive the WebSocket object when:
+// 1. the object has registered event listeners that can be triggered
+// ("strong event listeners");
+// 2. there are outgoing not sent messages.
+//-----------------------------------------------------------------------------
+
+void
+WebSocket::UpdateMustKeepAlive()
+{
+ // Here we could not have mImpl.
+ MOZ_ASSERT(NS_IsMainThread() == mIsMainThread);
+
+ if (!mCheckMustKeepAlive || !mImpl) {
+ return;
+ }
+
+ bool shouldKeepAlive = false;
+ uint16_t readyState = ReadyState();
+
+ if (mListenerManager) {
+ switch (readyState)
+ {
+ case CONNECTING:
+ {
+ if (mListenerManager->HasListenersFor(nsGkAtoms::onopen) ||
+ mListenerManager->HasListenersFor(nsGkAtoms::onmessage) ||
+ mListenerManager->HasListenersFor(nsGkAtoms::onerror) ||
+ mListenerManager->HasListenersFor(nsGkAtoms::onclose)) {
+ shouldKeepAlive = true;
+ }
+ }
+ break;
+
+ case OPEN:
+ case CLOSING:
+ {
+ if (mListenerManager->HasListenersFor(nsGkAtoms::onmessage) ||
+ mListenerManager->HasListenersFor(nsGkAtoms::onerror) ||
+ mListenerManager->HasListenersFor(nsGkAtoms::onclose) ||
+ mOutgoingBufferedAmount != 0) {
+ shouldKeepAlive = true;
+ }
+ }
+ break;
+
+ case CLOSED:
+ {
+ shouldKeepAlive = false;
+ }
+ }
+ }
+
+ if (mKeepingAlive && !shouldKeepAlive) {
+ mKeepingAlive = false;
+ mImpl->ReleaseObject();
+ } else if (!mKeepingAlive && shouldKeepAlive) {
+ mKeepingAlive = true;
+ mImpl->AddRefObject();
+ }
+}
+
+void
+WebSocket::DontKeepAliveAnyMore()
+{
+ // Here we could not have mImpl.
+ MOZ_ASSERT(NS_IsMainThread() == mIsMainThread);
+
+ if (mKeepingAlive) {
+ MOZ_ASSERT(mImpl);
+
+ mKeepingAlive = false;
+ mImpl->ReleaseObject();
+ }
+
+ mCheckMustKeepAlive = false;
+}
+
+namespace {
+
+class WebSocketWorkerHolder final : public WorkerHolder
+{
+public:
+ explicit WebSocketWorkerHolder(WebSocketImpl* aWebSocketImpl)
+ : mWebSocketImpl(aWebSocketImpl)
+ {
+ }
+
+ bool Notify(Status aStatus) override
+ {
+ MOZ_ASSERT(aStatus > workers::Running);
+
+ if (aStatus >= Canceling) {
+ {
+ MutexAutoLock lock(mWebSocketImpl->mMutex);
+ mWebSocketImpl->mWorkerShuttingDown = true;
+ }
+
+ mWebSocketImpl->CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY,
+ EmptyCString());
+ }
+
+ return true;
+ }
+
+private:
+ WebSocketImpl* mWebSocketImpl;
+};
+
+} // namespace
+
+void
+WebSocketImpl::AddRefObject()
+{
+ AssertIsOnTargetThread();
+ AddRef();
+}
+
+void
+WebSocketImpl::ReleaseObject()
+{
+ AssertIsOnTargetThread();
+ Release();
+}
+
+bool
+WebSocketImpl::RegisterWorkerHolder()
+{
+ mWorkerPrivate->AssertIsOnWorkerThread();
+ MOZ_ASSERT(!mWorkerHolder);
+ mWorkerHolder = new WebSocketWorkerHolder(this);
+
+ if (NS_WARN_IF(!mWorkerHolder->HoldWorker(mWorkerPrivate, Canceling))) {
+ mWorkerHolder = nullptr;
+ return false;
+ }
+
+#ifdef DEBUG
+ SetHasWorkerHolderRegistered(true);
+#endif
+
+ return true;
+}
+
+void
+WebSocketImpl::UnregisterWorkerHolder()
+{
+ MOZ_ASSERT(mDisconnectingOrDisconnected);
+ MOZ_ASSERT(mWorkerPrivate);
+ mWorkerPrivate->AssertIsOnWorkerThread();
+ MOZ_ASSERT(mWorkerHolder);
+
+ {
+ MutexAutoLock lock(mMutex);
+ mWorkerShuttingDown = true;
+ }
+
+ // The DTOR of this WorkerHolder will release the worker for us.
+ mWorkerHolder = nullptr;
+
+ mWorkerPrivate = nullptr;
+
+#ifdef DEBUG
+ SetHasWorkerHolderRegistered(false);
+#endif
+}
+
+nsresult
+WebSocketImpl::UpdateURI()
+{
+ AssertIsOnTargetThread();
+
+ // Check for Redirections
+ RefPtr<BaseWebSocketChannel> channel;
+ channel = static_cast<BaseWebSocketChannel*>(mChannel.get());
+ MOZ_ASSERT(channel);
+
+ channel->GetEffectiveURL(mWebSocket->mEffectiveURL);
+ mSecure = channel->IsEncrypted();
+
+ return NS_OK;
+}
+
+void
+WebSocket::EventListenerAdded(nsIAtom* aType)
+{
+ AssertIsOnMainThread();
+ UpdateMustKeepAlive();
+}
+
+void
+WebSocket::EventListenerRemoved(nsIAtom* aType)
+{
+ AssertIsOnMainThread();
+ UpdateMustKeepAlive();
+}
+
+//-----------------------------------------------------------------------------
+// WebSocket - methods
+//-----------------------------------------------------------------------------
+
+// webIDL: readonly attribute unsigned short readyState;
+uint16_t
+WebSocket::ReadyState()
+{
+ MutexAutoLock lock(mMutex);
+ return mReadyState;
+}
+
+void
+WebSocket::SetReadyState(uint16_t aReadyState)
+{
+ MutexAutoLock lock(mMutex);
+ mReadyState = aReadyState;
+}
+
+// webIDL: readonly attribute unsigned long bufferedAmount;
+uint32_t
+WebSocket::BufferedAmount() const
+{
+ AssertIsOnTargetThread();
+ return mOutgoingBufferedAmount;
+}
+
+// webIDL: attribute BinaryType binaryType;
+dom::BinaryType
+WebSocket::BinaryType() const
+{
+ AssertIsOnTargetThread();
+ return mBinaryType;
+}
+
+// webIDL: attribute BinaryType binaryType;
+void
+WebSocket::SetBinaryType(dom::BinaryType aData)
+{
+ AssertIsOnTargetThread();
+ mBinaryType = aData;
+}
+
+// webIDL: readonly attribute DOMString url
+void
+WebSocket::GetUrl(nsAString& aURL)
+{
+ AssertIsOnTargetThread();
+
+ if (mEffectiveURL.IsEmpty()) {
+ aURL = mURI;
+ } else {
+ aURL = mEffectiveURL;
+ }
+}
+
+// webIDL: readonly attribute DOMString extensions;
+void
+WebSocket::GetExtensions(nsAString& aExtensions)
+{
+ AssertIsOnTargetThread();
+ CopyUTF8toUTF16(mEstablishedExtensions, aExtensions);
+}
+
+// webIDL: readonly attribute DOMString protocol;
+void
+WebSocket::GetProtocol(nsAString& aProtocol)
+{
+ AssertIsOnTargetThread();
+ CopyUTF8toUTF16(mEstablishedProtocol, aProtocol);
+}
+
+// webIDL: void send(DOMString data);
+void
+WebSocket::Send(const nsAString& aData,
+ ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ NS_ConvertUTF16toUTF8 msgString(aData);
+ Send(nullptr, msgString, msgString.Length(), false, aRv);
+}
+
+void
+WebSocket::Send(Blob& aData, ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ nsCOMPtr<nsIInputStream> msgStream;
+ aData.GetInternalStream(getter_AddRefs(msgStream), aRv);
+ if (NS_WARN_IF(aRv.Failed())){
+ return;
+ }
+
+ uint64_t msgLength = aData.GetSize(aRv);
+ if (NS_WARN_IF(aRv.Failed())){
+ return;
+ }
+
+ if (msgLength > UINT32_MAX) {
+ aRv.Throw(NS_ERROR_FILE_TOO_BIG);
+ return;
+ }
+
+ Send(msgStream, EmptyCString(), msgLength, true, aRv);
+}
+
+void
+WebSocket::Send(const ArrayBuffer& aData,
+ ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ aData.ComputeLengthAndData();
+
+ static_assert(sizeof(*aData.Data()) == 1, "byte-sized data required");
+
+ uint32_t len = aData.Length();
+ char* data = reinterpret_cast<char*>(aData.Data());
+
+ nsDependentCSubstring msgString(data, len);
+ Send(nullptr, msgString, len, true, aRv);
+}
+
+void
+WebSocket::Send(const ArrayBufferView& aData,
+ ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ aData.ComputeLengthAndData();
+
+ static_assert(sizeof(*aData.Data()) == 1, "byte-sized data required");
+
+ uint32_t len = aData.Length();
+ char* data = reinterpret_cast<char*>(aData.Data());
+
+ nsDependentCSubstring msgString(data, len);
+ Send(nullptr, msgString, len, true, aRv);
+}
+
+void
+WebSocket::Send(nsIInputStream* aMsgStream,
+ const nsACString& aMsgString,
+ uint32_t aMsgLength,
+ bool aIsBinary,
+ ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ int64_t readyState = ReadyState();
+ if (readyState == CONNECTING) {
+ aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+ return;
+ }
+
+ // Always increment outgoing buffer len, even if closed
+ CheckedUint32 size = mOutgoingBufferedAmount;
+ size += aMsgLength;
+ if (!size.isValid()) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+
+ mOutgoingBufferedAmount = size.value();
+
+ if (readyState == CLOSING ||
+ readyState == CLOSED) {
+ return;
+ }
+
+ // We must have mImpl when connected.
+ MOZ_ASSERT(mImpl);
+ MOZ_ASSERT(readyState == OPEN, "Unknown state in WebSocket::Send");
+
+ nsresult rv;
+ if (aMsgStream) {
+ rv = mImpl->mChannel->SendBinaryStream(aMsgStream, aMsgLength);
+ } else {
+ if (aIsBinary) {
+ rv = mImpl->mChannel->SendBinaryMsg(aMsgString);
+ } else {
+ rv = mImpl->mChannel->SendMsg(aMsgString);
+ }
+ }
+
+ if (NS_FAILED(rv)) {
+ aRv.Throw(rv);
+ return;
+ }
+
+ UpdateMustKeepAlive();
+}
+
+// webIDL: void close(optional unsigned short code, optional DOMString reason):
+void
+WebSocket::Close(const Optional<uint16_t>& aCode,
+ const Optional<nsAString>& aReason,
+ ErrorResult& aRv)
+{
+ AssertIsOnTargetThread();
+
+ // the reason code is optional, but if provided it must be in a specific range
+ uint16_t closeCode = 0;
+ if (aCode.WasPassed()) {
+ if (aCode.Value() != 1000 && (aCode.Value() < 3000 || aCode.Value() > 4999)) {
+ aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+ return;
+ }
+ closeCode = aCode.Value();
+ }
+
+ nsCString closeReason;
+ if (aReason.WasPassed()) {
+ CopyUTF16toUTF8(aReason.Value(), closeReason);
+
+ // The API requires the UTF-8 string to be 123 or less bytes
+ if (closeReason.Length() > 123) {
+ aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
+ return;
+ }
+ }
+
+ int64_t readyState = ReadyState();
+ if (readyState == CLOSING ||
+ readyState == CLOSED) {
+ return;
+ }
+
+ // If the webSocket is not closed we MUST have a mImpl.
+ MOZ_ASSERT(mImpl);
+
+ if (readyState == CONNECTING) {
+ mImpl->FailConnection(closeCode, closeReason);
+ return;
+ }
+
+ MOZ_ASSERT(readyState == OPEN);
+ mImpl->CloseConnection(closeCode, closeReason);
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl::nsIObserver
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+WebSocketImpl::Observe(nsISupports* aSubject,
+ const char* aTopic,
+ const char16_t* aData)
+{
+ AssertIsOnMainThread();
+
+ int64_t readyState = mWebSocket->ReadyState();
+ if ((readyState == WebSocket::CLOSING) ||
+ (readyState == WebSocket::CLOSED)) {
+ return NS_OK;
+ }
+
+ nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aSubject);
+ if (!mWebSocket->GetOwner() || window != mWebSocket->GetOwner()) {
+ return NS_OK;
+ }
+
+ if ((strcmp(aTopic, DOM_WINDOW_FROZEN_TOPIC) == 0) ||
+ (strcmp(aTopic, DOM_WINDOW_DESTROYED_TOPIC) == 0))
+ {
+ CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY);
+ }
+
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketImpl::nsIRequest
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+WebSocketImpl::GetName(nsACString& aName)
+{
+ AssertIsOnMainThread();
+
+ CopyUTF16toUTF8(mWebSocket->mURI, aName);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::IsPending(bool* aValue)
+{
+ AssertIsOnTargetThread();
+
+ int64_t readyState = mWebSocket->ReadyState();
+ *aValue = (readyState != WebSocket::CLOSED);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::GetStatus(nsresult* aStatus)
+{
+ AssertIsOnTargetThread();
+
+ *aStatus = NS_OK;
+ return NS_OK;
+}
+
+namespace {
+
+class CancelRunnable final : public MainThreadWorkerRunnable
+{
+public:
+ CancelRunnable(WorkerPrivate* aWorkerPrivate, WebSocketImpl* aImpl)
+ : MainThreadWorkerRunnable(aWorkerPrivate)
+ , mImpl(aImpl)
+ {
+ }
+
+ bool WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
+ {
+ aWorkerPrivate->AssertIsOnWorkerThread();
+ return !NS_FAILED(mImpl->CancelInternal());
+ }
+
+private:
+ RefPtr<WebSocketImpl> mImpl;
+};
+
+} // namespace
+
+// Window closed, stop/reload button pressed, user navigated away from page, etc.
+NS_IMETHODIMP
+WebSocketImpl::Cancel(nsresult aStatus)
+{
+ AssertIsOnMainThread();
+
+ if (!mIsMainThread) {
+ MOZ_ASSERT(mWorkerPrivate);
+ RefPtr<CancelRunnable> runnable =
+ new CancelRunnable(mWorkerPrivate, this);
+ if (!runnable->Dispatch()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+ }
+
+ return CancelInternal();
+}
+
+nsresult
+WebSocketImpl::CancelInternal()
+{
+ AssertIsOnTargetThread();
+
+ // If CancelInternal is called by a runnable, we may already be disconnected
+ // by the time it runs.
+ if (mDisconnectingOrDisconnected) {
+ return NS_OK;
+ }
+
+ int64_t readyState = mWebSocket->ReadyState();
+ if (readyState == WebSocket::CLOSING || readyState == WebSocket::CLOSED) {
+ return NS_OK;
+ }
+
+ return CloseConnection(nsIWebSocketChannel::CLOSE_GOING_AWAY);
+}
+
+NS_IMETHODIMP
+WebSocketImpl::Suspend()
+{
+ AssertIsOnMainThread();
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::Resume()
+{
+ AssertIsOnMainThread();
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::GetLoadGroup(nsILoadGroup** aLoadGroup)
+{
+ AssertIsOnMainThread();
+
+ *aLoadGroup = nullptr;
+
+ if (mIsMainThread) {
+ nsCOMPtr<nsIDocument> doc = mWebSocket->GetDocumentIfCurrent();
+ if (doc) {
+ *aLoadGroup = doc->GetDocumentLoadGroup().take();
+ }
+
+ return NS_OK;
+ }
+
+ MOZ_ASSERT(mWorkerPrivate);
+
+ // Walk up to our containing page
+ WorkerPrivate* wp = mWorkerPrivate;
+ while (wp->GetParent()) {
+ wp = wp->GetParent();
+ }
+
+ nsPIDOMWindowInner* window = wp->GetWindow();
+ if (!window) {
+ return NS_OK;
+ }
+
+ nsIDocument* doc = window->GetExtantDoc();
+ if (doc) {
+ *aLoadGroup = doc->GetDocumentLoadGroup().take();
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::SetLoadGroup(nsILoadGroup* aLoadGroup)
+{
+ AssertIsOnMainThread();
+ return NS_ERROR_UNEXPECTED;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::GetLoadFlags(nsLoadFlags* aLoadFlags)
+{
+ AssertIsOnMainThread();
+
+ *aLoadFlags = nsIRequest::LOAD_BACKGROUND;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::SetLoadFlags(nsLoadFlags aLoadFlags)
+{
+ AssertIsOnMainThread();
+
+ // we won't change the load flags at all.
+ return NS_OK;
+}
+
+namespace {
+
+class WorkerRunnableDispatcher final : public WorkerRunnable
+{
+ RefPtr<WebSocketImpl> mWebSocketImpl;
+
+public:
+ WorkerRunnableDispatcher(WebSocketImpl* aImpl, WorkerPrivate* aWorkerPrivate,
+ already_AddRefed<nsIRunnable> aEvent)
+ : WorkerRunnable(aWorkerPrivate, WorkerThreadUnchangedBusyCount)
+ , mWebSocketImpl(aImpl)
+ , mEvent(Move(aEvent))
+ {
+ }
+
+ bool WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
+ {
+ aWorkerPrivate->AssertIsOnWorkerThread();
+
+ // No messages when disconnected.
+ if (mWebSocketImpl->mDisconnectingOrDisconnected) {
+ NS_WARNING("Dispatching a WebSocket event after the disconnection!");
+ return true;
+ }
+
+ return !NS_FAILED(mEvent->Run());
+ }
+
+ void PostRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate,
+ bool aRunResult) override
+ {
+ }
+
+ bool
+ PreDispatch(WorkerPrivate* aWorkerPrivate) override
+ {
+ // We don't call WorkerRunnable::PreDispatch because it would assert the
+ // wrong thing about which thread we're on. We're on whichever thread the
+ // channel implementation is running on (probably the main thread or socket
+ // transport thread).
+ return true;
+ }
+
+ void
+ PostDispatch(WorkerPrivate* aWorkerPrivate, bool aDispatchResult) override
+ {
+ // We don't call WorkerRunnable::PreDispatch because it would assert the
+ // wrong thing about which thread we're on. We're on whichever thread the
+ // channel implementation is running on (probably the main thread or socket
+ // transport thread).
+ }
+
+private:
+ nsCOMPtr<nsIRunnable> mEvent;
+};
+
+} // namespace
+
+NS_IMETHODIMP
+WebSocketImpl::DispatchFromScript(nsIRunnable* aEvent, uint32_t aFlags)
+{
+ nsCOMPtr<nsIRunnable> event(aEvent);
+ return Dispatch(event.forget(), aFlags);
+}
+
+NS_IMETHODIMP
+WebSocketImpl::Dispatch(already_AddRefed<nsIRunnable> aEvent, uint32_t aFlags)
+{
+ nsCOMPtr<nsIRunnable> event_ref(aEvent);
+ // If the target is the main-thread we can just dispatch the runnable.
+ if (mIsMainThread) {
+ return NS_DispatchToMainThread(event_ref.forget());
+ }
+
+ MutexAutoLock lock(mMutex);
+ if (mWorkerShuttingDown) {
+ return NS_OK;
+ }
+
+ MOZ_DIAGNOSTIC_ASSERT(mWorkerPrivate);
+
+#ifdef DEBUG
+ MOZ_ASSERT(HasWorkerHolderRegistered());
+#endif
+
+ // If the target is a worker, we have to use a custom WorkerRunnableDispatcher
+ // runnable.
+ RefPtr<WorkerRunnableDispatcher> event =
+ new WorkerRunnableDispatcher(this, mWorkerPrivate, event_ref.forget());
+
+ if (!event->Dispatch()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::DelayedDispatch(already_AddRefed<nsIRunnable>, uint32_t)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+WebSocketImpl::IsOnCurrentThread(bool* aResult)
+{
+ *aResult = IsTargetThread();
+ return NS_OK;
+}
+
+bool
+WebSocketImpl::IsTargetThread() const
+{
+ return NS_IsMainThread() == mIsMainThread;
+}
+
+void
+WebSocket::AssertIsOnTargetThread() const
+{
+ MOZ_ASSERT(NS_IsMainThread() == mIsMainThread);
+}
+
+} // namespace dom
+} // namespace mozilla
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 11:48:32 +0000