forked from mirrors/gecko-dev
353 lines
11 KiB
C++
353 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebSocketLog.h"
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#include "WebSocketChannelParent.h"
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#include "nsIAuthPromptProvider.h"
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#include "mozilla/ipc/InputStreamUtils.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "mozilla/ipc/BackgroundUtils.h"
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#include "SerializedLoadContext.h"
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#include "mozilla/net/NeckoCommon.h"
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#include "mozilla/net/WebSocketChannel.h"
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using namespace mozilla::ipc;
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namespace mozilla {
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namespace net {
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NS_IMPL_ISUPPORTS(WebSocketChannelParent, nsIWebSocketListener,
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nsIInterfaceRequestor)
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WebSocketChannelParent::WebSocketChannelParent(
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nsIAuthPromptProvider* aAuthProvider, nsILoadContext* aLoadContext,
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PBOverrideStatus aOverrideStatus, uint32_t aSerial)
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: mAuthProvider(aAuthProvider),
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mLoadContext(aLoadContext),
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mSerial(aSerial) {
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// Websocket channels can't have a private browsing override
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MOZ_ASSERT_IF(!aLoadContext, aOverrideStatus == kPBOverride_Unset);
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}
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//-----------------------------------------------------------------------------
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// WebSocketChannelParent::PWebSocketChannelParent
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//-----------------------------------------------------------------------------
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvDeleteSelf() {
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LOG(("WebSocketChannelParent::RecvDeleteSelf() %p\n", this));
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mChannel = nullptr;
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mAuthProvider = nullptr;
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IProtocol* mgr = Manager();
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if (CanRecv() && !Send__delete__(this)) {
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return IPC_FAIL_NO_REASON(mgr);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvAsyncOpen(
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nsIURI* aURI, const nsCString& aOrigin,
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const OriginAttributes& aOriginAttributes, const uint64_t& aInnerWindowID,
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const nsCString& aProtocol, const bool& aSecure,
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const uint32_t& aPingInterval, const bool& aClientSetPingInterval,
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const uint32_t& aPingTimeout, const bool& aClientSetPingTimeout,
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const Maybe<LoadInfoArgs>& aLoadInfoArgs,
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const Maybe<PTransportProviderParent*>& aTransportProvider,
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const nsCString& aNegotiatedExtensions) {
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LOG(("WebSocketChannelParent::RecvAsyncOpen() %p\n", this));
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nsresult rv;
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nsCOMPtr<nsILoadInfo> loadInfo;
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nsCOMPtr<nsIURI> uri;
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rv = LoadInfoArgsToLoadInfo(aLoadInfoArgs, getter_AddRefs(loadInfo));
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if (NS_FAILED(rv)) {
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goto fail;
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}
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if (aSecure) {
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mChannel =
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do_CreateInstance("@mozilla.org/network/protocol;1?name=wss", &rv);
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} else {
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mChannel =
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do_CreateInstance("@mozilla.org/network/protocol;1?name=ws", &rv);
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}
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if (NS_FAILED(rv)) goto fail;
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rv = mChannel->SetSerial(mSerial);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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goto fail;
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}
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rv = mChannel->SetLoadInfo(loadInfo);
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if (NS_FAILED(rv)) {
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goto fail;
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}
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rv = mChannel->SetNotificationCallbacks(this);
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if (NS_FAILED(rv)) goto fail;
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rv = mChannel->SetProtocol(aProtocol);
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if (NS_FAILED(rv)) goto fail;
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if (aTransportProvider.isSome()) {
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RefPtr<TransportProviderParent> provider =
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static_cast<TransportProviderParent*>(aTransportProvider.value());
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rv = mChannel->SetServerParameters(provider, aNegotiatedExtensions);
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if (NS_FAILED(rv)) {
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goto fail;
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}
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} else {
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uri = aURI;
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if (!uri) {
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rv = NS_ERROR_FAILURE;
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goto fail;
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}
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}
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// only use ping values from child if they were overridden by client code.
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if (aClientSetPingInterval) {
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// IDL allows setting in seconds, so must be multiple of 1000 ms
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MOZ_ASSERT(aPingInterval >= 1000 && !(aPingInterval % 1000));
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DebugOnly<nsresult> rv = mChannel->SetPingInterval(aPingInterval / 1000);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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}
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if (aClientSetPingTimeout) {
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MOZ_ASSERT(aPingTimeout >= 1000 && !(aPingTimeout % 1000));
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DebugOnly<nsresult> rv = mChannel->SetPingTimeout(aPingTimeout / 1000);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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}
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rv = mChannel->AsyncOpenNative(uri, aOrigin, aOriginAttributes,
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aInnerWindowID, this, nullptr);
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if (NS_FAILED(rv)) goto fail;
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return IPC_OK();
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fail:
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mChannel = nullptr;
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if (!SendOnStop(rv)) {
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return IPC_FAIL_NO_REASON(this);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvClose(
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const uint16_t& code, const nsCString& reason) {
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LOG(("WebSocketChannelParent::RecvClose() %p\n", this));
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if (mChannel) {
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nsresult rv = mChannel->Close(code, reason);
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NS_ENSURE_SUCCESS(rv, IPC_OK());
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendMsg(
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const nsCString& aMsg) {
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LOG(("WebSocketChannelParent::RecvSendMsg() %p\n", this));
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if (mChannel) {
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nsresult rv = mChannel->SendMsg(aMsg);
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NS_ENSURE_SUCCESS(rv, IPC_OK());
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendBinaryMsg(
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const nsCString& aMsg) {
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LOG(("WebSocketChannelParent::RecvSendBinaryMsg() %p\n", this));
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if (mChannel) {
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nsresult rv = mChannel->SendBinaryMsg(aMsg);
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NS_ENSURE_SUCCESS(rv, IPC_OK());
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebSocketChannelParent::RecvSendBinaryStream(
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const IPCStream& aStream, const uint32_t& aLength) {
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LOG(("WebSocketChannelParent::RecvSendBinaryStream() %p\n", this));
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if (mChannel) {
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nsCOMPtr<nsIInputStream> stream = DeserializeIPCStream(aStream);
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if (!stream) {
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return IPC_FAIL_NO_REASON(this);
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}
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nsresult rv = mChannel->SendBinaryStream(stream, aLength);
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NS_ENSURE_SUCCESS(rv, IPC_OK());
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}
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return IPC_OK();
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}
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//-----------------------------------------------------------------------------
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// WebSocketChannelParent::nsIRequestObserver
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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WebSocketChannelParent::OnStart(nsISupports* aContext) {
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LOG(("WebSocketChannelParent::OnStart() %p\n", this));
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nsAutoCString protocol, extensions;
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nsString effectiveURL;
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bool encrypted = false;
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uint64_t httpChannelId = 0;
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if (mChannel) {
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DebugOnly<nsresult> rv = mChannel->GetProtocol(protocol);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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rv = mChannel->GetExtensions(extensions);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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RefPtr<WebSocketChannel> channel;
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channel = static_cast<WebSocketChannel*>(mChannel.get());
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MOZ_ASSERT(channel);
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channel->GetEffectiveURL(effectiveURL);
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encrypted = channel->IsEncrypted();
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httpChannelId = channel->HttpChannelId();
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}
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if (!CanRecv() || !SendOnStart(protocol, extensions, effectiveURL, encrypted,
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httpChannelId)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnStop(nsISupports* aContext, nsresult aStatusCode) {
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LOG(("WebSocketChannelParent::OnStop() %p\n", this));
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if (!CanRecv() || !SendOnStop(aStatusCode)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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static bool SendOnMessageAvailableHelper(
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const nsACString& aMsg,
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const std::function<bool(const nsDependentCSubstring&, bool)>& aSendFunc) {
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// To avoid the crash caused by too large IPC message, we have to split the
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// data in small chunks and send them to child process. Note that the chunk
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// size used here is the same as what we used for PHttpChannel.
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static uint32_t const kCopyChunkSize = 128 * 1024;
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uint32_t count = aMsg.Length();
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if (count <= kCopyChunkSize) {
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return aSendFunc(nsDependentCSubstring(aMsg), false);
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}
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uint32_t start = 0;
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uint32_t toRead = std::min<uint32_t>(count, kCopyChunkSize);
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while (count) {
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nsDependentCSubstring data(Substring(aMsg, start, toRead));
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if (!aSendFunc(data, count > kCopyChunkSize)) {
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return false;
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}
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start += toRead;
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count -= toRead;
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toRead = std::min<uint32_t>(count, kCopyChunkSize);
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}
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return true;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnMessageAvailable(nsISupports* aContext,
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const nsACString& aMsg) {
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LOG(("WebSocketChannelParent::OnMessageAvailable() %p\n", this));
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if (!CanRecv()) {
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return NS_ERROR_FAILURE;
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}
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auto sendFunc = [self = UnsafePtr<WebSocketChannelParent>(this)](
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const nsDependentCSubstring& aMsg, bool aMoreData) {
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return self->SendOnMessageAvailable(aMsg, aMoreData);
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};
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if (!SendOnMessageAvailableHelper(aMsg, sendFunc)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnBinaryMessageAvailable(nsISupports* aContext,
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const nsACString& aMsg) {
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LOG(("WebSocketChannelParent::OnBinaryMessageAvailable() %p\n", this));
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if (!CanRecv()) {
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return NS_ERROR_FAILURE;
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}
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auto sendFunc = [self = UnsafePtr<WebSocketChannelParent>(this)](
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const nsDependentCSubstring& aMsg, bool aMoreData) {
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return self->SendOnBinaryMessageAvailable(aMsg, aMoreData);
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};
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if (!SendOnMessageAvailableHelper(aMsg, sendFunc)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnAcknowledge(nsISupports* aContext, uint32_t aSize) {
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LOG(("WebSocketChannelParent::OnAcknowledge() %p\n", this));
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if (!CanRecv() || !SendOnAcknowledge(aSize)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnServerClose(nsISupports* aContext, uint16_t code,
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const nsACString& reason) {
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LOG(("WebSocketChannelParent::OnServerClose() %p\n", this));
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if (!CanRecv() || !SendOnServerClose(code, nsCString(reason))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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WebSocketChannelParent::OnError() { return NS_OK; }
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void WebSocketChannelParent::ActorDestroy(ActorDestroyReason why) {
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LOG(("WebSocketChannelParent::ActorDestroy() %p\n", this));
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// Make sure we close the channel if the content process dies without going
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// through a clean shutdown.
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if (mChannel) {
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Unused << mChannel->Close(nsIWebSocketChannel::CLOSE_GOING_AWAY,
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"Child was killed"_ns);
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}
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}
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//-----------------------------------------------------------------------------
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// WebSocketChannelParent::nsIInterfaceRequestor
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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WebSocketChannelParent::GetInterface(const nsIID& iid, void** result) {
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LOG(("WebSocketChannelParent::GetInterface() %p\n", this));
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if (mAuthProvider && iid.Equals(NS_GET_IID(nsIAuthPromptProvider))) {
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nsresult rv = mAuthProvider->GetAuthPrompt(
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nsIAuthPromptProvider::PROMPT_NORMAL, iid, result);
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if (NS_FAILED(rv)) {
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return NS_ERROR_NO_INTERFACE;
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}
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return NS_OK;
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}
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// Only support nsILoadContext if child channel's callbacks did too
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if (iid.Equals(NS_GET_IID(nsILoadContext)) && mLoadContext) {
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nsCOMPtr<nsILoadContext> copy = mLoadContext;
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copy.forget(result);
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return NS_OK;
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}
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return QueryInterface(iid, result);
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}
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} // namespace net
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} // namespace mozilla
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