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-rw-r--r--netwerk/protocol/websocket/WebSocketChannelParent.cpp360
1 files changed, 360 insertions, 0 deletions
diff --git a/netwerk/protocol/websocket/WebSocketChannelParent.cpp b/netwerk/protocol/websocket/WebSocketChannelParent.cpp
new file mode 100644
index 0000000000..b690f3ac27
--- /dev/null
+++ b/netwerk/protocol/websocket/WebSocketChannelParent.cpp
@@ -0,0 +1,360 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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 "WebSocketLog.h"
+#include "WebSocketChannelParent.h"
+#include "nsIAuthPromptProvider.h"
+#include "mozilla/dom/ContentParent.h"
+#include "mozilla/ipc/InputStreamUtils.h"
+#include "mozilla/ipc/URIUtils.h"
+#include "mozilla/ipc/BackgroundUtils.h"
+#include "SerializedLoadContext.h"
+#include "mozilla/net/NeckoCommon.h"
+#include "mozilla/net/WebSocketChannel.h"
+#include "nsComponentManagerUtils.h"
+#include "IPCTransportProvider.h"
+#include "mozilla/net/ChannelEventQueue.h"
+
+using namespace mozilla::ipc;
+
+namespace mozilla {
+namespace net {
+
+NS_IMPL_ISUPPORTS(WebSocketChannelParent, nsIWebSocketListener,
+ nsIInterfaceRequestor)
+
+WebSocketChannelParent::WebSocketChannelParent(
+ nsIAuthPromptProvider* aAuthProvider, nsILoadContext* aLoadContext,
+ PBOverrideStatus aOverrideStatus, uint32_t aSerial)
+ : mAuthProvider(aAuthProvider),
+ mLoadContext(aLoadContext),
+ mSerial(aSerial) {
+ // Websocket channels can't have a private browsing override
+ MOZ_ASSERT_IF(!aLoadContext, aOverrideStatus == kPBOverride_Unset);
+}
+//-----------------------------------------------------------------------------
+// WebSocketChannelParent::PWebSocketChannelParent
+//-----------------------------------------------------------------------------
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvDeleteSelf() {
+ LOG(("WebSocketChannelParent::RecvDeleteSelf() %p\n", this));
+ mChannel = nullptr;
+ mAuthProvider = nullptr;
+ IProtocol* mgr = Manager();
+ if (CanRecv() && !Send__delete__(this)) {
+ return IPC_FAIL_NO_REASON(mgr);
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvAsyncOpen(
+ nsIURI* aURI, const nsCString& aOrigin,
+ const OriginAttributes& aOriginAttributes, const uint64_t& aInnerWindowID,
+ const nsCString& aProtocol, const bool& aSecure,
+ const uint32_t& aPingInterval, const bool& aClientSetPingInterval,
+ const uint32_t& aPingTimeout, const bool& aClientSetPingTimeout,
+ const LoadInfoArgs& aLoadInfoArgs,
+ const Maybe<PTransportProviderParent*>& aTransportProvider,
+ const nsCString& aNegotiatedExtensions) {
+ LOG(("WebSocketChannelParent::RecvAsyncOpen() %p\n", this));
+
+ nsresult rv;
+ nsCOMPtr<nsILoadInfo> loadInfo;
+ nsCOMPtr<nsIURI> uri;
+
+ rv = LoadInfoArgsToLoadInfo(
+ aLoadInfoArgs,
+ mozilla::dom::ContentParent::Cast(Manager()->Manager())->GetRemoteType(),
+ getter_AddRefs(loadInfo));
+ if (NS_FAILED(rv)) {
+ goto fail;
+ }
+
+ if (aSecure) {
+ mChannel =
+ do_CreateInstance("@mozilla.org/network/protocol;1?name=wss", &rv);
+ } else {
+ mChannel =
+ do_CreateInstance("@mozilla.org/network/protocol;1?name=ws", &rv);
+ }
+ if (NS_FAILED(rv)) goto fail;
+
+ rv = mChannel->SetSerial(mSerial);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ goto fail;
+ }
+
+ rv = mChannel->SetLoadInfo(loadInfo);
+ if (NS_FAILED(rv)) {
+ goto fail;
+ }
+
+ rv = mChannel->SetNotificationCallbacks(this);
+ if (NS_FAILED(rv)) goto fail;
+
+ rv = mChannel->SetProtocol(aProtocol);
+ if (NS_FAILED(rv)) goto fail;
+
+ if (aTransportProvider.isSome()) {
+ RefPtr<TransportProviderParent> provider =
+ static_cast<TransportProviderParent*>(aTransportProvider.value());
+ rv = mChannel->SetServerParameters(provider, aNegotiatedExtensions);
+ if (NS_FAILED(rv)) {
+ goto fail;
+ }
+ } else {
+ uri = aURI;
+ if (!uri) {
+ rv = NS_ERROR_FAILURE;
+ goto fail;
+ }
+ }
+
+ // only use ping values from child if they were overridden by client code.
+ if (aClientSetPingInterval) {
+ // IDL allows setting in seconds, so must be multiple of 1000 ms
+ MOZ_ASSERT(aPingInterval >= 1000 && !(aPingInterval % 1000));
+ DebugOnly<nsresult> rv = mChannel->SetPingInterval(aPingInterval / 1000);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ }
+ if (aClientSetPingTimeout) {
+ MOZ_ASSERT(aPingTimeout >= 1000 && !(aPingTimeout % 1000));
+ DebugOnly<nsresult> rv = mChannel->SetPingTimeout(aPingTimeout / 1000);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ }
+
+ rv = mChannel->AsyncOpenNative(uri, aOrigin, aOriginAttributes,
+ aInnerWindowID, this, nullptr);
+ if (NS_FAILED(rv)) goto fail;
+
+ return IPC_OK();
+
+fail:
+ mChannel = nullptr;
+ if (!SendOnStop(rv)) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvClose(
+ const uint16_t& code, const nsCString& reason) {
+ LOG(("WebSocketChannelParent::RecvClose() %p\n", this));
+ if (mChannel) {
+ nsresult rv = mChannel->Close(code, reason);
+ NS_ENSURE_SUCCESS(rv, IPC_OK());
+ }
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendMsg(
+ const nsCString& aMsg) {
+ LOG(("WebSocketChannelParent::RecvSendMsg() %p\n", this));
+ if (mChannel) {
+ nsresult rv = mChannel->SendMsg(aMsg);
+ NS_ENSURE_SUCCESS(rv, IPC_OK());
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendBinaryMsg(
+ const nsCString& aMsg) {
+ LOG(("WebSocketChannelParent::RecvSendBinaryMsg() %p\n", this));
+ if (mChannel) {
+ nsresult rv = mChannel->SendBinaryMsg(aMsg);
+ NS_ENSURE_SUCCESS(rv, IPC_OK());
+ }
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendBinaryStream(
+ const IPCStream& aStream, const uint32_t& aLength) {
+ LOG(("WebSocketChannelParent::RecvSendBinaryStream() %p\n", this));
+ if (mChannel) {
+ nsCOMPtr<nsIInputStream> stream = DeserializeIPCStream(aStream);
+ if (!stream) {
+ return IPC_FAIL_NO_REASON(this);
+ }
+ nsresult rv = mChannel->SendBinaryStream(stream, aLength);
+ NS_ENSURE_SUCCESS(rv, IPC_OK());
+ }
+ return IPC_OK();
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketChannelParent::nsIRequestObserver
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnStart(nsISupports* aContext) {
+ LOG(("WebSocketChannelParent::OnStart() %p\n", this));
+ nsAutoCString protocol, extensions;
+ nsString effectiveURL;
+ bool encrypted = false;
+ uint64_t httpChannelId = 0;
+ if (mChannel) {
+ DebugOnly<nsresult> rv = mChannel->GetProtocol(protocol);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+ rv = mChannel->GetExtensions(extensions);
+ MOZ_ASSERT(NS_SUCCEEDED(rv));
+
+ RefPtr<WebSocketChannel> channel;
+ channel = static_cast<WebSocketChannel*>(mChannel.get());
+ MOZ_ASSERT(channel);
+
+ channel->GetEffectiveURL(effectiveURL);
+ encrypted = channel->IsEncrypted();
+ httpChannelId = channel->HttpChannelId();
+ }
+ if (!CanRecv() || !SendOnStart(protocol, extensions, effectiveURL, encrypted,
+ httpChannelId)) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnStop(nsISupports* aContext, nsresult aStatusCode) {
+ LOG(("WebSocketChannelParent::OnStop() %p\n", this));
+ if (!CanRecv() || !SendOnStop(aStatusCode)) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+static bool SendOnMessageAvailableHelper(
+ const nsACString& aMsg,
+ const std::function<bool(const nsDependentCSubstring&, bool)>& aSendFunc) {
+ // To avoid the crash caused by too large IPC message, we have to split the
+ // data in small chunks and send them to child process. Note that the chunk
+ // size used here is the same as what we used for PHttpChannel.
+ static uint32_t const kCopyChunkSize = 128 * 1024;
+ uint32_t count = aMsg.Length();
+ if (count <= kCopyChunkSize) {
+ return aSendFunc(nsDependentCSubstring(aMsg), false);
+ }
+
+ uint32_t start = 0;
+ uint32_t toRead = std::min<uint32_t>(count, kCopyChunkSize);
+ while (count) {
+ nsDependentCSubstring data(Substring(aMsg, start, toRead));
+
+ if (!aSendFunc(data, count > kCopyChunkSize)) {
+ return false;
+ }
+
+ start += toRead;
+ count -= toRead;
+ toRead = std::min<uint32_t>(count, kCopyChunkSize);
+ }
+
+ return true;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnMessageAvailable(nsISupports* aContext,
+ const nsACString& aMsg) {
+ LOG(("WebSocketChannelParent::OnMessageAvailable() %p\n", this));
+
+ if (!CanRecv()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ auto sendFunc = [self = UnsafePtr<WebSocketChannelParent>(this)](
+ const nsDependentCSubstring& aMsg, bool aMoreData) {
+ return self->SendOnMessageAvailable(aMsg, aMoreData);
+ };
+
+ if (!SendOnMessageAvailableHelper(aMsg, sendFunc)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnBinaryMessageAvailable(nsISupports* aContext,
+ const nsACString& aMsg) {
+ LOG(("WebSocketChannelParent::OnBinaryMessageAvailable() %p\n", this));
+
+ if (!CanRecv()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ auto sendFunc = [self = UnsafePtr<WebSocketChannelParent>(this)](
+ const nsDependentCSubstring& aMsg, bool aMoreData) {
+ return self->SendOnBinaryMessageAvailable(aMsg, aMoreData);
+ };
+
+ if (!SendOnMessageAvailableHelper(aMsg, sendFunc)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnAcknowledge(nsISupports* aContext, uint32_t aSize) {
+ LOG(("WebSocketChannelParent::OnAcknowledge() %p\n", this));
+ if (!CanRecv() || !SendOnAcknowledge(aSize)) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnServerClose(nsISupports* aContext, uint16_t code,
+ const nsACString& reason) {
+ LOG(("WebSocketChannelParent::OnServerClose() %p\n", this));
+ if (!CanRecv() || !SendOnServerClose(code, reason)) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+WebSocketChannelParent::OnError() { return NS_OK; }
+
+void WebSocketChannelParent::ActorDestroy(ActorDestroyReason why) {
+ LOG(("WebSocketChannelParent::ActorDestroy() %p\n", this));
+
+ // Make sure we close the channel if the content process dies without going
+ // through a clean shutdown.
+ if (mChannel) {
+ Unused << mChannel->Close(nsIWebSocketChannel::CLOSE_GOING_AWAY,
+ "Child was killed"_ns);
+ }
+}
+
+//-----------------------------------------------------------------------------
+// WebSocketChannelParent::nsIInterfaceRequestor
+//-----------------------------------------------------------------------------
+
+NS_IMETHODIMP
+WebSocketChannelParent::GetInterface(const nsIID& iid, void** result) {
+ LOG(("WebSocketChannelParent::GetInterface() %p\n", this));
+ if (mAuthProvider && iid.Equals(NS_GET_IID(nsIAuthPromptProvider))) {
+ nsresult rv = mAuthProvider->GetAuthPrompt(
+ nsIAuthPromptProvider::PROMPT_NORMAL, iid, result);
+ if (NS_FAILED(rv)) {
+ return NS_ERROR_NO_INTERFACE;
+ }
+ return NS_OK;
+ }
+
+ // Only support nsILoadContext if child channel's callbacks did too
+ if (iid.Equals(NS_GET_IID(nsILoadContext)) && mLoadContext) {
+ nsCOMPtr<nsILoadContext> copy = mLoadContext;
+ copy.forget(result);
+ return NS_OK;
+ }
+
+ return QueryInterface(iid, result);
+}
+
+} // namespace net
+} // namespace mozilla