mirror of
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140 lines
4.7 KiB
C++
140 lines
4.7 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_FTPChannelParent_h
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#define mozilla_net_FTPChannelParent_h
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#include "ADivertableParentChannel.h"
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#include "mozilla/net/PFTPChannelParent.h"
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#include "mozilla/net/NeckoParent.h"
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#include "nsIParentChannel.h"
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#include "nsIInterfaceRequestor.h"
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#include "OfflineObserver.h"
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#include "nsIChannelEventSink.h"
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class nsILoadContext;
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namespace mozilla {
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namespace dom {
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class TabParent;
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class PBrowserOrId;
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} // namespace dom
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namespace net {
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class FTPChannelParent final : public PFTPChannelParent
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, public nsIParentChannel
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, public nsIInterfaceRequestor
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, public ADivertableParentChannel
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, public nsIChannelEventSink
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, public DisconnectableParent
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSIPARENTCHANNEL
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSICHANNELEVENTSINK
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FTPChannelParent(const dom::PBrowserOrId& aIframeEmbedding,
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nsILoadContext* aLoadContext,
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PBOverrideStatus aOverrideStatus);
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bool Init(const FTPChannelCreationArgs& aOpenArgs);
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// ADivertableParentChannel functions.
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void DivertTo(nsIStreamListener *aListener) override;
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nsresult SuspendForDiversion() override;
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// Calls OnStartRequest for "DivertTo" listener, then notifies child channel
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// that it should divert OnDataAvailable and OnStopRequest calls to this
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// parent channel.
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void StartDiversion();
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// Handles calling OnStart/Stop if there are errors during diversion.
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// Called asynchronously from FailDiversion.
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void NotifyDiversionFailed(nsresult aErrorCode, bool aSkipResume = true);
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protected:
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virtual ~FTPChannelParent();
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// private, supporting function for ADivertableParentChannel.
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nsresult ResumeForDiversion();
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// Asynchronously calls NotifyDiversionFailed.
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void FailDiversion(nsresult aErrorCode, bool aSkipResume = true);
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bool DoAsyncOpen(const URIParams& aURI, const uint64_t& aStartPos,
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const nsCString& aEntityID,
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const OptionalInputStreamParams& aUploadStream,
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const OptionalLoadInfoArgs& aLoadInfoArgs);
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// used to connect redirected-to channel in parent with just created
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// ChildChannel. Used during HTTP->FTP redirects.
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bool ConnectChannel(const uint32_t& channelId);
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void DivertOnDataAvailable(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count);
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void DivertOnStopRequest(const nsresult& statusCode);
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void DivertComplete();
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friend class FTPDivertDataAvailableEvent;
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friend class FTPDivertStopRequestEvent;
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friend class FTPDivertCompleteEvent;
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virtual bool RecvCancel(const nsresult& status) override;
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virtual bool RecvSuspend() override;
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virtual bool RecvResume() override;
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virtual bool RecvDivertOnDataAvailable(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count) override;
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virtual bool RecvDivertOnStopRequest(const nsresult& statusCode) override;
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virtual bool RecvDivertComplete() override;
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virtual void ActorDestroy(ActorDestroyReason why) override;
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void OfflineDisconnect() override;
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uint32_t GetAppId() override;
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// if configured to use HTTP proxy for FTP, this can an an HTTP channel.
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nsCOMPtr<nsIChannel> mChannel;
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bool mIPCClosed;
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nsCOMPtr<nsILoadContext> mLoadContext;
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PBOverrideStatus mPBOverride;
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// If OnStart/OnData/OnStop have been diverted from the child, forward them to
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// this listener.
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nsCOMPtr<nsIStreamListener> mDivertToListener;
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// Set to the canceled status value if the main channel was canceled.
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nsresult mStatus;
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// Once set, no OnStart/OnData/OnStop calls should be accepted; conversely, it
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// must be set when RecvDivertOnData/~DivertOnStop/~DivertComplete are
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// received from the child channel.
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bool mDivertingFromChild;
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// Set if OnStart|StopRequest was called during a diversion from the child.
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bool mDivertedOnStartRequest;
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// Set if we successfully suspended the nsHttpChannel for diversion. Unset
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// when we call ResumeForDiversion.
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bool mSuspendedForDiversion;
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RefPtr<OfflineObserver> mObserver;
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RefPtr<mozilla::dom::TabParent> mTabParent;
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RefPtr<ChannelEventQueue> mEventQ;
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};
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} // namespace net
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} // namespace mozilla
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#endif // mozilla_net_FTPChannelParent_h
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