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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_TRRServiceChannel_h
#define mozilla_net_TRRServiceChannel_h
#include "HttpBaseChannel.h"
#include "mozilla/DataMutex.h"
#include "nsIDNSListener.h"
#include "nsIProtocolProxyCallback.h"
#include "nsIProxiedChannel.h"
#include "nsIStreamListener.h"
#include "nsWeakReference.h"
class nsDNSPrefetch;
namespace mozilla {
namespace net {
class HttpTransactionShell;
class nsHttpHandler;
// Use to support QI nsIChannel to TRRServiceChannel
#define NS_TRRSERVICECHANNEL_IID \
{ \
0x361c4bb1, 0xd6b2, 0x493b, { \
0x86, 0xbc, 0x88, 0xd3, 0x5d, 0x16, 0x38, 0xfa \
} \
}
// TRRServiceChannel is designed to fetch DNS data from DoH server. This channel
// MUST only be used by TRR.
class TRRServiceChannel : public HttpBaseChannel,
public HttpAsyncAborter<TRRServiceChannel>,
public nsIDNSListener,
public nsIStreamListener,
public nsITransportEventSink,
public nsIProxiedChannel,
public nsIProtocolProxyCallback,
public nsSupportsWeakReference {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDNSLISTENER
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSITRANSPORTEVENTSINK
NS_DECL_NSIPROXIEDCHANNEL
NS_DECL_NSIPROTOCOLPROXYCALLBACK
NS_DECLARE_STATIC_IID_ACCESSOR(NS_TRRSERVICECHANNEL_IID)
// nsIRequest
NS_IMETHOD Cancel(nsresult status) override;
NS_IMETHOD Suspend() override;
NS_IMETHOD Resume() override;
NS_IMETHOD GetLoadFlags(nsLoadFlags* aLoadFlags) override;
NS_IMETHOD SetLoadFlags(nsLoadFlags aLoadFlags) override;
NS_IMETHOD GetURI(nsIURI** aURI) override;
NS_IMETHOD GetNotificationCallbacks(
nsIInterfaceRequestor** aCallbacks) override;
NS_IMETHOD GetLoadGroup(nsILoadGroup** aLoadGroup) override;
NS_IMETHOD GetRequestMethod(nsACString& aMethod) override;
// nsIChannel
NS_IMETHOD GetSecurityInfo(nsISupports** aSecurityInfo) override;
NS_IMETHOD AsyncOpen(nsIStreamListener* aListener) override;
NS_IMETHOD LogBlockedCORSRequest(const nsAString& aMessage,
const nsACString& aCategory) override;
NS_IMETHOD LogMimeTypeMismatch(const nsACString& aMessageName, bool aWarning,
const nsAString& aURL,
const nsAString& aContentType) override;
NS_IMETHOD SetupFallbackChannel(const char* aFallbackKey) override;
NS_IMETHOD SetNotificationCallbacks(
nsIInterfaceRequestor* aCallbacks) 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;
[[nodiscard]] nsresult OnPush(uint32_t aPushedStreamId,
const nsACString& aUrl,
const nsACString& aRequestString,
HttpTransactionShell* aTransaction);
void SetPushedStreamTransactionAndId(
HttpTransactionShell* aTransWithPushedStream, uint32_t aPushedStreamId);
// nsITimedChannel
NS_IMETHOD GetDomainLookupStart(
mozilla::TimeStamp* aDomainLookupStart) override;
NS_IMETHOD GetDomainLookupEnd(mozilla::TimeStamp* aDomainLookupEnd) override;
NS_IMETHOD GetConnectStart(mozilla::TimeStamp* aConnectStart) override;
NS_IMETHOD GetTcpConnectEnd(mozilla::TimeStamp* aTcpConnectEnd) override;
NS_IMETHOD GetSecureConnectionStart(
mozilla::TimeStamp* aSecureConnectionStart) override;
NS_IMETHOD GetConnectEnd(mozilla::TimeStamp* aConnectEnd) override;
NS_IMETHOD GetRequestStart(mozilla::TimeStamp* aRequestStart) override;
NS_IMETHOD GetResponseStart(mozilla::TimeStamp* aResponseStart) override;
NS_IMETHOD GetResponseEnd(mozilla::TimeStamp* aResponseEnd) override;
NS_IMETHOD SetLoadGroup(nsILoadGroup* aLoadGroup) override;
NS_IMETHOD TimingAllowCheck(nsIPrincipal* aOrigin, bool* aResult) override;
protected:
TRRServiceChannel();
virtual ~TRRServiceChannel();
void CancelNetworkRequest(nsresult aStatus);
const nsCString& GetTopWindowOrigin();
nsresult BeginConnect();
nsresult ContinueOnBeforeConnect();
nsresult Connect();
nsresult SetupTransaction();
void OnClassOfServiceUpdated();
virtual void DoNotifyListenerCleanup() override;
virtual void DoAsyncAbort(nsresult aStatus) override;
bool IsIsolated() { return false; };
void ProcessAltService();
nsresult CallOnStartRequest();
void MaybeStartDNSPrefetch();
void DoNotifyListener();
nsresult MaybeResolveProxyAndBeginConnect();
nsresult ResolveProxy();
void AfterApplyContentConversions(nsresult aResult,
nsIStreamListener* aListener);
nsresult SyncProcessRedirection(uint32_t aHttpStatus);
[[nodiscard]] virtual nsresult SetupReplacementChannel(
nsIURI* aNewURI, nsIChannel* aNewChannel, bool aPreserveMethod,
uint32_t aRedirectFlags) override;
virtual bool SameOriginWithOriginalUri(nsIURI* aURI) override;
bool DispatchRelease();
// True only when we have computed the value of the top window origin.
bool mTopWindowOriginComputed;
nsCString mUsername;
// The origin of the top window, only valid when mTopWindowOriginComputed is
// true.
nsCString mTopWindowOrigin;
// Needed for accurate DNS timing
RefPtr<nsDNSPrefetch> mDNSPrefetch;
nsCOMPtr<nsIRequest> mTransactionPump;
RefPtr<HttpTransactionShell> mTransaction;
uint32_t mPushedStreamId;
RefPtr<HttpTransactionShell> mTransWithPushedStream;
DataMutex<nsCOMPtr<nsICancelable>> mProxyRequest;
nsCOMPtr<nsIEventTarget> mCurrentEventTarget;
friend class HttpAsyncAborter<TRRServiceChannel>;
friend class nsHttpHandler;
};
NS_DEFINE_STATIC_IID_ACCESSOR(TRRServiceChannel, NS_TRRSERVICECHANNEL_IID)
} // namespace net
} // namespace mozilla
#endif // mozilla_net_TRRServiceChannel_h