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gecko-dev/netwerk/protocol/http/HttpChannelChild.h

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/* -*- 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/. */
#ifndef mozilla_net_HttpChannelChild_h
#define mozilla_net_HttpChannelChild_h
#include "mozilla/net/HttpBaseChannel.h"
#include "mozilla/net/PHttpChannelChild.h"
#include "mozilla/net/ChannelEventQueue.h"
#include "nsIStreamListener.h"
#include "nsILoadGroup.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIProgressEventSink.h"
#include "nsICacheInfoChannel.h"
#include "nsIApplicationCache.h"
#include "nsIApplicationCacheChannel.h"
#include "nsIUploadChannel2.h"
#include "nsIResumableChannel.h"
#include "nsIProxiedChannel.h"
#include "nsIAsyncVerifyRedirectCallback.h"
#include "nsIAssociatedContentSecurity.h"
#include "nsIChildChannel.h"
#include "nsIHttpChannelChild.h"
#include "nsIDivertableChannel.h"
#include "mozilla/net/DNS.h"
class nsInputStreamPump;
namespace mozilla {
namespace net {
class InterceptedChannelContent;
class InterceptStreamListener;
class OverrideRunnable;
class HttpChannelChild final : public PHttpChannelChild
, public HttpBaseChannel
, public HttpAsyncAborter<HttpChannelChild>
, public nsICacheInfoChannel
, public nsIProxiedChannel
, public nsIApplicationCacheChannel
, public nsIAsyncVerifyRedirectCallback
, public nsIAssociatedContentSecurity
, public nsIChildChannel
, public nsIHttpChannelChild
, public nsIDivertableChannel
{
virtual ~HttpChannelChild();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICACHEINFOCHANNEL
NS_DECL_NSIPROXIEDCHANNEL
NS_DECL_NSIAPPLICATIONCACHECONTAINER
NS_DECL_NSIAPPLICATIONCACHECHANNEL
NS_DECL_NSIASYNCVERIFYREDIRECTCALLBACK
NS_DECL_NSIASSOCIATEDCONTENTSECURITY
NS_DECL_NSICHILDCHANNEL
NS_DECL_NSIHTTPCHANNELCHILD
NS_DECL_NSIDIVERTABLECHANNEL
HttpChannelChild();
// Methods HttpBaseChannel didn't implement for us or that we override.
//
// nsIRequest
NS_IMETHOD Cancel(nsresult status) override;
NS_IMETHOD Suspend() override;
NS_IMETHOD Resume() override;
// nsIChannel
NS_IMETHOD GetSecurityInfo(nsISupports **aSecurityInfo) override;
NS_IMETHOD AsyncOpen(nsIStreamListener *listener, nsISupports *aContext) override;
NS_IMETHOD AsyncOpen2(nsIStreamListener *aListener) override;
// HttpBaseChannel::nsIHttpChannel
NS_IMETHOD SetRequestHeader(const nsACString& aHeader,
const nsACString& aValue,
bool aMerge) override;
NS_IMETHOD SetEmptyRequestHeader(const nsACString& aHeader) override;
NS_IMETHOD RedirectTo(nsIURI *newURI) override;
// nsIHttpChannelInternal
NS_IMETHOD SetupFallbackChannel(const char *aFallbackKey) override;
NS_IMETHOD GetLocalAddress(nsACString& addr) override;
NS_IMETHOD GetLocalPort(int32_t* port) override;
NS_IMETHOD GetRemoteAddress(nsACString& addr) override;
NS_IMETHOD GetRemotePort(int32_t* port) override;
NS_IMETHOD ForceIntercepted(uint64_t aInterceptionID) override;
// nsISupportsPriority
NS_IMETHOD SetPriority(int32_t value) override;
// nsIClassOfService
NS_IMETHOD SetClassFlags(uint32_t inFlags) override;
NS_IMETHOD AddClassFlags(uint32_t inFlags) override;
NS_IMETHOD ClearClassFlags(uint32_t inFlags) override;
// nsIResumableChannel
NS_IMETHOD ResumeAt(uint64_t startPos, const nsACString& entityID) override;
// IPDL holds a reference while the PHttpChannel protocol is live (starting at
// AsyncOpen, and ending at either OnStopRequest or any IPDL error, either of
// which call NeckoChild::DeallocPHttpChannelChild()).
void AddIPDLReference();
void ReleaseIPDLReference();
bool IsSuspended();
bool RecvNotifyTrackingProtectionDisabled() override;
void FlushedForDiversion();
protected:
bool RecvOnStartRequest(const nsresult& channelStatus,
const nsHttpResponseHead& responseHead,
const bool& useResponseHead,
const nsHttpHeaderArray& requestHeaders,
const bool& isFromCache,
const bool& cacheEntryAvailable,
const uint32_t& cacheExpirationTime,
const nsCString& cachedCharset,
const nsCString& securityInfoSerialization,
const NetAddr& selfAddr,
const NetAddr& peerAddr,
const int16_t& redirectCount,
const uint32_t& cacheKey) override;
bool RecvOnTransportAndData(const nsresult& channelStatus,
const nsresult& status,
const uint64_t& progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count) override;
bool RecvOnStopRequest(const nsresult& statusCode, const ResourceTimingStruct& timing) override;
bool RecvOnProgress(const int64_t& progress, const int64_t& progressMax) override;
bool RecvOnStatus(const nsresult& status) override;
bool RecvFailedAsyncOpen(const nsresult& status) override;
bool RecvRedirect1Begin(const uint32_t& newChannel,
const URIParams& newURI,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead,
const nsCString& securityInfoSerialization) override;
bool RecvRedirect3Complete() override;
bool RecvAssociateApplicationCache(const nsCString& groupID,
const nsCString& clientID) override;
bool RecvFlushedForDiversion() override;
bool RecvDivertMessages() override;
bool RecvDeleteSelf() override;
bool RecvReportSecurityMessage(const nsString& messageTag,
const nsString& messageCategory) override;
bool RecvIssueDeprecationWarning(const uint32_t& warning,
const bool& asError) override;
bool GetAssociatedContentSecurity(nsIAssociatedContentSecurity** res = nullptr);
virtual void DoNotifyListenerCleanup() override;
NS_IMETHOD GetResponseSynthesized(bool* aSynthesized) override;
private:
nsresult ContinueAsyncOpen();
void DoOnStartRequest(nsIRequest* aRequest, nsISupports* aContext);
void DoOnStatus(nsIRequest* aRequest, nsresult status);
void DoOnProgress(nsIRequest* aRequest, int64_t progress, int64_t progressMax);
void DoOnDataAvailable(nsIRequest* aRequest, nsISupports* aContext, nsIInputStream* aStream,
uint64_t offset, uint32_t count);
void DoPreOnStopRequest(nsresult aStatus);
void DoOnStopRequest(nsIRequest* aRequest, nsISupports* aContext);
// Discard the prior interception and continue with the original network request.
void ResetInterception();
// Override this channel's pending response with a synthesized one. The content will be
// asynchronously read from the pump.
void OverrideWithSynthesizedResponse(nsAutoPtr<nsHttpResponseHead>& aResponseHead,
nsIInputStream* aSynthesizedInput,
InterceptStreamListener* aStreamListener);
void ForceIntercepted(nsIInputStream* aSynthesizedInput);
RequestHeaderTuples mClientSetRequestHeaders;
nsCOMPtr<nsIChildChannel> mRedirectChannelChild;
RefPtr<InterceptStreamListener> mInterceptListener;
RefPtr<nsInputStreamPump> mSynthesizedResponsePump;
nsAutoPtr<nsHttpResponseHead> mSynthesizedResponseHead;
nsCOMPtr<nsIInputStream> mSynthesizedInput;
int64_t mSynthesizedStreamLength;
bool mIsFromCache;
bool mCacheEntryAvailable;
uint32_t mCacheExpirationTime;
nsCString mCachedCharset;
nsCOMPtr<nsISupports> mCacheKey;
// If ResumeAt is called before AsyncOpen, we need to send extra data upstream
bool mSendResumeAt;
bool mIPCOpen;
bool mKeptAlive; // IPC kept open, but only for security info
RefPtr<ChannelEventQueue> mEventQ;
// If nsUnknownDecoder is involved OnStartRequest call will be delayed and
// this queue keeps OnDataAvailable data until OnStartRequest is finally
// called.
nsTArray<nsAutoPtr<ChannelEvent>> mUnknownDecoderEventQ;
bool mUnknownDecoderInvolved;
// Once set, OnData and possibly OnStop will be diverted to the parent.
bool mDivertingToParent;
// Once set, no OnStart/OnData/OnStop callbacks should be received from the
// parent channel, nor dequeued from the ChannelEventQueue.
bool mFlushedForDiversion;
// Set if SendSuspend is called. Determines if SendResume is needed when
// diverting callbacks to parent.
bool mSuspendSent;
// Set if a response was synthesized, indicating that any forthcoming redirects
// should be intercepted.
bool mSynthesizedResponse;
// Set if a synthesized response should cause us to explictly allows intercepting
// an expected forthcoming redirect.
bool mShouldInterceptSubsequentRedirect;
// Set if a redirection is being initiated to facilitate providing a synthesized
// response to a channel using a different principal than the current one.
bool mRedirectingForSubsequentSynthesizedResponse;
// Set if the corresponding parent channel should force an interception to occur
// before the network transaction is initiated.
bool mShouldParentIntercept;
// true after successful AsyncOpen until OnStopRequest completes.
bool RemoteChannelExists() { return mIPCOpen && !mKeptAlive; }
void AssociateApplicationCache(const nsCString &groupID,
const nsCString &clientID);
void OnStartRequest(const nsresult& channelStatus,
const nsHttpResponseHead& responseHead,
const bool& useResponseHead,
const nsHttpHeaderArray& requestHeaders,
const bool& isFromCache,
const bool& cacheEntryAvailable,
const uint32_t& cacheExpirationTime,
const nsCString& cachedCharset,
const nsCString& securityInfoSerialization,
const NetAddr& selfAddr,
const NetAddr& peerAddr,
const uint32_t& cacheKey);
void MaybeDivertOnData(const nsCString& data,
const uint64_t& offset,
const uint32_t& count);
void OnTransportAndData(const nsresult& channelStatus,
const nsresult& status,
const uint64_t progress,
const uint64_t& progressMax,
const nsCString& data,
const uint64_t& offset,
const uint32_t& count);
void OnStopRequest(const nsresult& channelStatus, const ResourceTimingStruct& timing);
void MaybeDivertOnStop(const nsresult& aChannelStatus);
void OnProgress(const int64_t& progress, const int64_t& progressMax);
void OnStatus(const nsresult& status);
void FailedAsyncOpen(const nsresult& status);
void HandleAsyncAbort();
void Redirect1Begin(const uint32_t& newChannelId,
const URIParams& newUri,
const uint32_t& redirectFlags,
const nsHttpResponseHead& responseHead,
const nsACString& securityInfoSerialization);
void Redirect3Complete();
void DeleteSelf();
// Create a a new channel to be used in a redirection, based on the provided
// response headers.
nsresult SetupRedirect(nsIURI* uri,
const nsHttpResponseHead* responseHead,
const uint32_t& redirectFlags,
nsIChannel** outChannel);
// Perform a redirection without communicating with the parent process at all.
void BeginNonIPCRedirect(nsIURI* responseURI,
const nsHttpResponseHead* responseHead);
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 HttpAsyncAborter<HttpChannelChild>;
friend class InterceptStreamListener;
friend class InterceptedChannelContent;
friend class OverrideRunnable;
};
//-----------------------------------------------------------------------------
// inline functions
//-----------------------------------------------------------------------------
inline bool
HttpChannelChild::IsSuspended()
{
return mSuspendCount != 0;
}
} // namespace net
} // namespace mozilla
#endif // mozilla_net_HttpChannelChild_h
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