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Diffstat (limited to '')
| -rw-r--r-- | netwerk/protocol/websocket/WebSocketChannelParent.cpp | 360 |
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..6fadd777f5 --- /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 Maybe<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 |