forked from mirrors/gecko-dev
528 lines
22 KiB
C++
528 lines
22 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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#ifndef mozilla_net_HttpChannelChild_h
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#define mozilla_net_HttpChannelChild_h
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#include "mozilla/Mutex.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/net/HttpBaseChannel.h"
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#include "mozilla/net/NeckoTargetHolder.h"
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#include "mozilla/net/PHttpChannelChild.h"
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#include "mozilla/net/ChannelEventQueue.h"
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#include "nsIStreamListener.h"
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#include "nsILoadGroup.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIProgressEventSink.h"
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#include "nsICacheInfoChannel.h"
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#include "nsIApplicationCache.h"
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#include "nsIApplicationCacheChannel.h"
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#include "nsIUploadChannel2.h"
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#include "nsIResumableChannel.h"
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#include "nsIProxiedChannel.h"
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#include "nsIAsyncVerifyRedirectCallback.h"
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#include "nsIAssociatedContentSecurity.h"
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#include "nsIChildChannel.h"
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#include "nsIHttpChannelChild.h"
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#include "nsIDivertableChannel.h"
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#include "nsIThreadRetargetableRequest.h"
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#include "mozilla/net/DNS.h"
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using mozilla::Telemetry::LABELS_HTTP_CHILD_OMT_STATS;
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class nsIEventTarget;
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class nsInputStreamPump;
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class nsIInterceptedBodyCallback;
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namespace mozilla {
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namespace net {
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class HttpBackgroundChannelChild;
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class InterceptedChannelContent;
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class InterceptStreamListener;
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class SyntheticDiversionListener;
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class HttpChannelChild final : public PHttpChannelChild
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, public HttpBaseChannel
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, public HttpAsyncAborter<HttpChannelChild>
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, public nsICacheInfoChannel
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, public nsIProxiedChannel
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, public nsIApplicationCacheChannel
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, public nsIAsyncVerifyRedirectCallback
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, public nsIAssociatedContentSecurity
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, public nsIChildChannel
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, public nsIHttpChannelChild
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, public nsIDivertableChannel
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, public nsIThreadRetargetableRequest
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, public NeckoTargetHolder
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{
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virtual ~HttpChannelChild();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSICACHEINFOCHANNEL
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NS_DECL_NSIPROXIEDCHANNEL
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NS_DECL_NSIAPPLICATIONCACHECONTAINER
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NS_DECL_NSIAPPLICATIONCACHECHANNEL
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NS_DECL_NSIASYNCVERIFYREDIRECTCALLBACK
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NS_DECL_NSIASSOCIATEDCONTENTSECURITY
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NS_DECL_NSICHILDCHANNEL
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NS_DECL_NSIHTTPCHANNELCHILD
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NS_DECL_NSIDIVERTABLECHANNEL
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NS_DECL_NSITHREADRETARGETABLEREQUEST
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HttpChannelChild();
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// Methods HttpBaseChannel didn't implement for us or that we override.
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//
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// nsIRequest
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NS_IMETHOD Cancel(nsresult status) override;
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NS_IMETHOD Suspend() override;
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NS_IMETHOD Resume() override;
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// nsIChannel
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NS_IMETHOD GetSecurityInfo(nsISupports **aSecurityInfo) override;
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NS_IMETHOD AsyncOpen(nsIStreamListener *listener, nsISupports *aContext) override;
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NS_IMETHOD AsyncOpen2(nsIStreamListener *aListener) override;
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// HttpBaseChannel::nsIHttpChannel
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NS_IMETHOD SetReferrerWithPolicy(nsIURI *referrer, uint32_t referrerPolicy) override;
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NS_IMETHOD SetRequestHeader(const nsACString& aHeader,
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const nsACString& aValue,
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bool aMerge) override;
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NS_IMETHOD SetEmptyRequestHeader(const nsACString& aHeader) override;
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NS_IMETHOD RedirectTo(nsIURI *newURI) override;
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NS_IMETHOD UpgradeToSecure() override;
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NS_IMETHOD GetProtocolVersion(nsACString& aProtocolVersion) override;
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// nsIHttpChannelInternal
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NS_IMETHOD SetupFallbackChannel(const char *aFallbackKey) override;
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// nsISupportsPriority
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NS_IMETHOD SetPriority(int32_t value) override;
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// nsIClassOfService
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NS_IMETHOD SetClassFlags(uint32_t inFlags) override;
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NS_IMETHOD AddClassFlags(uint32_t inFlags) override;
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NS_IMETHOD ClearClassFlags(uint32_t inFlags) override;
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// nsIResumableChannel
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NS_IMETHOD ResumeAt(uint64_t startPos, const nsACString& entityID) override;
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// IPDL holds a reference while the PHttpChannel protocol is live (starting at
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// AsyncOpen, and ending at either OnStopRequest or any IPDL error, either of
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// which call NeckoChild::DeallocPHttpChannelChild()).
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void AddIPDLReference();
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void ReleaseIPDLReference();
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MOZ_MUST_USE bool IsSuspended();
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void FlushedForDiversion();
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void OnCopyComplete(nsresult aStatus) override;
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// Callback while background channel is ready.
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void OnBackgroundChildReady(HttpBackgroundChannelChild* aBgChild);
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// Callback while background channel is destroyed.
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void OnBackgroundChildDestroyed(HttpBackgroundChannelChild* aBgChild);
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protected:
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mozilla::ipc::IPCResult RecvOnStartRequest(const nsresult& channelStatus,
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const nsHttpResponseHead& responseHead,
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const bool& useResponseHead,
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const nsHttpHeaderArray& requestHeaders,
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const ParentLoadInfoForwarderArgs& loadInfoForwarder,
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const bool& isFromCache,
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const bool& cacheEntryAvailable,
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const uint64_t& cacheEntryId,
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const int32_t& cacheFetchCount,
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const uint32_t& cacheExpirationTime,
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const nsCString& cachedCharset,
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const nsCString& securityInfoSerialization,
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const NetAddr& selfAddr,
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const NetAddr& peerAddr,
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const int16_t& redirectCount,
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const uint32_t& cacheKey,
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const nsCString& altDataType,
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const int64_t& altDataLen,
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const OptionalIPCServiceWorkerDescriptor& aController,
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const bool& aApplyConversion) override;
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mozilla::ipc::IPCResult RecvFailedAsyncOpen(const nsresult& status) override;
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mozilla::ipc::IPCResult RecvRedirect1Begin(const uint32_t& registrarId,
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const URIParams& newURI,
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const uint32_t& redirectFlags,
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const ParentLoadInfoForwarderArgs& loadInfoForwarder,
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const nsHttpResponseHead& responseHead,
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const nsCString& securityInfoSerialization,
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const uint64_t& channelId,
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const NetAddr& oldPeerAddr) override;
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mozilla::ipc::IPCResult RecvRedirect3Complete() override;
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mozilla::ipc::IPCResult RecvAssociateApplicationCache(const nsCString& groupID,
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const nsCString& clientID) override;
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mozilla::ipc::IPCResult RecvDeleteSelf() override;
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mozilla::ipc::IPCResult RecvFinishInterceptedRedirect() override;
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mozilla::ipc::IPCResult RecvReportSecurityMessage(const nsString& messageTag,
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const nsString& messageCategory) override;
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mozilla::ipc::IPCResult RecvIssueDeprecationWarning(const uint32_t& warning,
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const bool& asError) override;
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mozilla::ipc::IPCResult RecvSetPriority(const int16_t& aPriority) override;
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mozilla::ipc::IPCResult RecvAttachStreamFilter(Endpoint<extensions::PStreamFilterParent>&& aEndpoint) override;
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mozilla::ipc::IPCResult RecvCancelDiversion() override;
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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MOZ_MUST_USE bool
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GetAssociatedContentSecurity(nsIAssociatedContentSecurity** res = nullptr);
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virtual void DoNotifyListenerCleanup() override;
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NS_IMETHOD GetResponseSynthesized(bool* aSynthesized) override;
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nsresult
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AsyncCall(void (HttpChannelChild::*funcPtr)(),
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nsRunnableMethod<HttpChannelChild> **retval = nullptr) override;
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// Get event target for processing network events.
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already_AddRefed<nsIEventTarget> GetNeckoTarget() override;
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virtual mozilla::ipc::IPCResult RecvLogBlockedCORSRequest(const nsString& aMessage) override;
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NS_IMETHOD LogBlockedCORSRequest(const nsAString & aMessage) override;
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private:
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// this section is for main-thread-only object
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// all the references need to be proxy released on main thread.
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nsCOMPtr<nsISupports> mCacheKey;
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nsCOMPtr<nsIChildChannel> mRedirectChannelChild;
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RefPtr<InterceptStreamListener> mInterceptListener;
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// Needed to call AsyncOpen in FinishInterceptedRedirect
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nsCOMPtr<nsIStreamListener> mInterceptedRedirectListener;
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nsCOMPtr<nsISupports> mInterceptedRedirectContext;
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// Proxy release all members above on main thread.
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void ReleaseMainThreadOnlyReferences();
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private:
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class OverrideRunnable : public Runnable {
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public:
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OverrideRunnable(HttpChannelChild* aChannel,
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HttpChannelChild* aNewChannel,
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InterceptStreamListener* aListener,
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nsIInputStream* aInput,
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nsIInterceptedBodyCallback* aCallback,
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nsAutoPtr<nsHttpResponseHead>& aHead,
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nsICacheInfoChannel* aCacheInfo);
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NS_IMETHOD Run() override;
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void OverrideWithSynthesizedResponse();
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private:
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RefPtr<HttpChannelChild> mChannel;
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RefPtr<HttpChannelChild> mNewChannel;
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RefPtr<InterceptStreamListener> mListener;
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nsCOMPtr<nsIInputStream> mInput;
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nsCOMPtr<nsIInterceptedBodyCallback> mCallback;
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nsAutoPtr<nsHttpResponseHead> mHead;
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nsCOMPtr<nsICacheInfoChannel> mSynthesizedCacheInfo;
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};
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// Sets the event target for future IPC messages. Messages will either be
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// directed to the TabGroup or DocGroup, depending on the LoadInfo associated
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// with the channel. Should be called when a new channel is being set up,
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// before the constructor message is sent to the parent.
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void SetEventTarget();
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// Get event target for ODA.
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already_AddRefed<nsIEventTarget> GetODATarget();
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MOZ_MUST_USE nsresult ContinueAsyncOpen();
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// Callbacks while receiving OnTransportAndData/OnStopRequest/OnProgress/
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// OnStatus/FlushedForDiversion/DivertMessages on background IPC channel.
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void ProcessOnTransportAndData(const nsresult& aChannelStatus,
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const nsresult& aStatus,
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const uint64_t& aOffset,
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const uint32_t& aCount,
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const nsCString& aData);
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void ProcessOnStopRequest(const nsresult& aStatusCode,
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const ResourceTimingStruct& aTiming,
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const nsHttpHeaderArray& aResponseTrailers);
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void ProcessOnProgress(const int64_t& aProgress, const int64_t& aProgressMax);
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void ProcessOnStatus(const nsresult& aStatus);
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void ProcessFlushedForDiversion();
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void ProcessDivertMessages();
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void ProcessNotifyTrackingProtectionDisabled();
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void ProcessNotifyTrackingResource();
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void ProcessSetClassifierMatchedInfo(const nsCString& aList,
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const nsCString& aProvider,
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const nsCString& aFullHash);
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void DoOnStartRequest(nsIRequest* aRequest, nsISupports* aContext);
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void DoOnStatus(nsIRequest* aRequest, nsresult status);
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void DoOnProgress(nsIRequest* aRequest, int64_t progress, int64_t progressMax);
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void DoOnDataAvailable(nsIRequest* aRequest, nsISupports* aContext, nsIInputStream* aStream,
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uint64_t offset, uint32_t count);
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void DoPreOnStopRequest(nsresult aStatus);
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void DoOnStopRequest(nsIRequest* aRequest, nsresult aChannelStatus, nsISupports* aContext);
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bool ShouldInterceptURI(nsIURI* aURI, bool& aShouldUpgrade);
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// Discard the prior interception and continue with the original network request.
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void ResetInterception();
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// Override this channel's pending response with a synthesized one. The content will be
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// asynchronously read from the pump.
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void OverrideWithSynthesizedResponse(nsAutoPtr<nsHttpResponseHead>& aResponseHead,
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nsIInputStream* aSynthesizedInput,
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nsIInterceptedBodyCallback* aSynthesizedCallback,
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InterceptStreamListener* aStreamListener,
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nsICacheInfoChannel* aCacheInfoChannel);
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void ForceIntercepted(nsIInputStream* aSynthesizedInput,
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nsIInterceptedBodyCallback* aSynthesizedCallback,
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nsICacheInfoChannel* aCacheInfo);
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// Try send DeletingChannel message to parent side. Dispatch an async task to
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// main thread if invoking on non-main thread.
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void TrySendDeletingChannel();
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// Try invoke Cancel if on main thread, or prepend a CancelEvent in mEventQ to
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// ensure Cacnel is processed before any other channel events.
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void CancelOnMainThread(nsresult aRv);
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void
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MaybeCallSynthesizedCallback();
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RequestHeaderTuples mClientSetRequestHeaders;
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RefPtr<nsInputStreamPump> mSynthesizedResponsePump;
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nsCOMPtr<nsIInputStream> mSynthesizedInput;
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nsCOMPtr<nsIInterceptedBodyCallback> mSynthesizedCallback;
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int64_t mSynthesizedStreamLength;
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bool mIsFromCache;
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bool mCacheEntryAvailable;
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uint64_t mCacheEntryId;
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bool mAltDataCacheEntryAvailable;
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int32_t mCacheFetchCount;
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uint32_t mCacheExpirationTime;
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nsCString mCachedCharset;
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nsCOMPtr<nsICacheInfoChannel> mSynthesizedCacheInfo;
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nsCString mProtocolVersion;
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// If ResumeAt is called before AsyncOpen, we need to send extra data upstream
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bool mSendResumeAt;
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// To ensure only one SendDeletingChannel is triggered.
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Atomic<bool> mDeletingChannelSent;
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Atomic<bool> mIPCOpen;
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bool mKeptAlive; // IPC kept open, but only for security info
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RefPtr<ChannelEventQueue> mEventQ;
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// If nsUnknownDecoder is involved OnStartRequest call will be delayed and
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// this queue keeps OnDataAvailable data until OnStartRequest is finally
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// called.
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nsTArray<UniquePtr<ChannelEvent>> mUnknownDecoderEventQ;
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Atomic<bool, ReleaseAcquire> mUnknownDecoderInvolved;
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// Once set, OnData and possibly OnStop will be diverted to the parent.
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Atomic<bool, ReleaseAcquire> mDivertingToParent;
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// Once set, no OnStart/OnData/OnStop callbacks should be received from the
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// parent channel, nor dequeued from the ChannelEventQueue.
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Atomic<bool, ReleaseAcquire> mFlushedForDiversion;
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// Set if SendSuspend is called. Determines if SendResume is needed when
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// diverting callbacks to parent.
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bool mSuspendSent;
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// Set if a response was synthesized, indicating that any forthcoming redirects
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// should be intercepted.
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bool mSynthesizedResponse;
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// Set if a synthesized response should cause us to explictly allows intercepting
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// an expected forthcoming redirect.
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bool mShouldInterceptSubsequentRedirect;
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// Set if a redirection is being initiated to facilitate providing a synthesized
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// response to a channel using a different principal than the current one.
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bool mRedirectingForSubsequentSynthesizedResponse;
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// Set if a manual redirect mode channel needs to be intercepted in the
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// parent.
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bool mPostRedirectChannelShouldIntercept;
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// Set if a manual redirect mode channel needs to be upgraded to a secure URI
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// when it's being considered for interception. Can only be true if
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// mPostRedirectChannelShouldIntercept is true.
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bool mPostRedirectChannelShouldUpgrade;
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// Set if the corresponding parent channel should force an interception to occur
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// before the network transaction is initiated.
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bool mShouldParentIntercept;
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// Set if the corresponding parent channel should suspend after a response
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// is synthesized.
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bool mSuspendParentAfterSynthesizeResponse;
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// Used to ensure atomicity of mBgChild and mBgInitFailCallback
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Mutex mBgChildMutex;
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// Associated HTTP background channel
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RefPtr<HttpBackgroundChannelChild> mBgChild;
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// Error handling procedure if failed to establish PBackground IPC
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nsCOMPtr<nsIRunnable> mBgInitFailCallback;
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// Remove the association with background channel after OnStopRequest
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// or AsyncAbort.
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void CleanupBackgroundChannel();
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// Needed to call CleanupRedirectingChannel in FinishInterceptedRedirect
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RefPtr<HttpChannelChild> mInterceptingChannel;
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// Used to call OverrideWithSynthesizedResponse in FinishInterceptedRedirect
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RefPtr<OverrideRunnable> mOverrideRunnable;
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// Target thread for delivering ODA.
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nsCOMPtr<nsIEventTarget> mODATarget;
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// Used to ensure atomicity of mNeckoTarget / mODATarget;
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Mutex mEventTargetMutex;
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void FinishInterceptedRedirect();
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void CleanupRedirectingChannel(nsresult rv);
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// true after successful AsyncOpen until OnStopRequest completes.
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bool RemoteChannelExists() { return mIPCOpen && !mKeptAlive; }
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void AssociateApplicationCache(const nsCString &groupID,
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const nsCString &clientID);
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void OnStartRequest(const nsresult& channelStatus,
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const nsHttpResponseHead& responseHead,
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const bool& useResponseHead,
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const nsHttpHeaderArray& requestHeaders,
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const ParentLoadInfoForwarderArgs& loadInfoForwarder,
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const bool& isFromCache,
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const bool& cacheEntryAvailable,
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const uint64_t& cacheEntryId,
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const int32_t& cacheFetchCount,
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const uint32_t& cacheExpirationTime,
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const nsCString& cachedCharset,
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const nsCString& securityInfoSerialization,
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const NetAddr& selfAddr,
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const NetAddr& peerAddr,
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const uint32_t& cacheKey,
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const nsCString& altDataType,
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const int64_t& altDataLen,
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const Maybe<mozilla::dom::ServiceWorkerDescriptor>& aController,
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const bool& aApplyConversion);
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void MaybeDivertOnData(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count);
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void OnTransportAndData(const nsresult& channelStatus,
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const nsresult& status,
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const uint64_t& offset,
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const uint32_t& count,
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const nsCString& data);
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void OnStopRequest(const nsresult& channelStatus,
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const ResourceTimingStruct& timing,
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const nsHttpHeaderArray& aResponseTrailers);
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void MaybeDivertOnStop(const nsresult& aChannelStatus);
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void OnProgress(const int64_t& progress, const int64_t& progressMax);
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void OnStatus(const nsresult& status);
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void FailedAsyncOpen(const nsresult& status);
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void HandleAsyncAbort();
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void Redirect1Begin(const uint32_t& registrarId,
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const URIParams& newUri,
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const uint32_t& redirectFlags,
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const ParentLoadInfoForwarderArgs& loadInfoForwarder,
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const nsHttpResponseHead& responseHead,
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const nsACString& securityInfoSerialization,
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const uint64_t& channelId);
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bool Redirect3Complete(OverrideRunnable* aRunnable);
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void DeleteSelf();
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// Create a a new channel to be used in a redirection, based on the provided
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// response headers.
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MOZ_MUST_USE nsresult SetupRedirect(nsIURI* uri,
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const nsHttpResponseHead* responseHead,
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const uint32_t& redirectFlags,
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nsIChannel** outChannel);
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// Perform a redirection without communicating with the parent process at all.
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void BeginNonIPCRedirect(nsIURI* responseURI,
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const nsHttpResponseHead* responseHead,
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bool responseRedirected);
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// Override the default security info pointer during a non-IPC redirection.
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void OverrideSecurityInfoForNonIPCRedirect(nsISupports* securityInfo);
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// Collect telemetry for the successful rate of OMT.
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void CollectOMTTelemetry();
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// The result of RetargetDeliveryTo for this channel.
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// |notRequested| represents OMT is not requested by the channel owner.
|
|
LABELS_HTTP_CHILD_OMT_STATS mOMTResult = LABELS_HTTP_CHILD_OMT_STATS::notRequested;
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|
|
|
friend class AssociateApplicationCacheEvent;
|
|
friend class StartRequestEvent;
|
|
friend class StopRequestEvent;
|
|
friend class TransportAndDataEvent;
|
|
friend class MaybeDivertOnDataHttpEvent;
|
|
friend class MaybeDivertOnStopHttpEvent;
|
|
friend class ProgressEvent;
|
|
friend class StatusEvent;
|
|
friend class FailedAsyncOpenEvent;
|
|
friend class Redirect1Event;
|
|
friend class Redirect3Event;
|
|
friend class DeleteSelfEvent;
|
|
friend class HttpFlushedForDiversionEvent;
|
|
friend class CancelEvent;
|
|
friend class HttpAsyncAborter<HttpChannelChild>;
|
|
friend class InterceptStreamListener;
|
|
friend class InterceptedChannelContent;
|
|
friend class SyntheticDiversionListener;
|
|
friend class HttpBackgroundChannelChild;
|
|
friend class NeckoTargetChannelEvent<HttpChannelChild>;
|
|
};
|
|
|
|
// A stream listener interposed between the nsInputStreamPump used for intercepted channels
|
|
// and this channel's original listener. This is only used to ensure the original listener
|
|
// sees the channel as the request object, and to synthesize OnStatus and OnProgress notifications.
|
|
class InterceptStreamListener : public nsIStreamListener
|
|
, public nsIProgressEventSink
|
|
{
|
|
RefPtr<HttpChannelChild> mOwner;
|
|
nsCOMPtr<nsISupports> mContext;
|
|
virtual ~InterceptStreamListener() {}
|
|
public:
|
|
InterceptStreamListener(HttpChannelChild* aOwner, nsISupports* aContext)
|
|
: mOwner(aOwner)
|
|
, mContext(aContext)
|
|
{
|
|
}
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIREQUESTOBSERVER
|
|
NS_DECL_NSISTREAMLISTENER
|
|
NS_DECL_NSIPROGRESSEVENTSINK
|
|
|
|
void Cleanup();
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// inline functions
|
|
//-----------------------------------------------------------------------------
|
|
|
|
inline bool
|
|
HttpChannelChild::IsSuspended()
|
|
{
|
|
return mSuspendCount != 0;
|
|
}
|
|
|
|
} // namespace net
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_net_HttpChannelChild_h
|