mirror of
https://github.com/mozilla/gecko-dev.git
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130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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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/*
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Alt-Svc allows separation of transport routing from the origin host without
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using a proxy. See https://httpwg.github.io/http-extensions/alt-svc.html and
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https://tools.ietf.org/html/draft-ietf-httpbis-alt-svc-04
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Nice To Have Future Enhancements::
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* flush on network change event when we have an indicator
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* use established https channel for http instead separate of conninfo hash
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* pin via http-tls header
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* clear based on origin when a random fail happens not just 421
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* upon establishment of channel, cancel and retry trans that have not yet written anything
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* persistent storage (including private browsing filter)
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* memory reporter for cache, but this is rather tiny
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*/
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#ifndef mozilla_net_AlternateServices_h
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#define mozilla_net_AlternateServices_h
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#include "nsRefPtrHashtable.h"
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#include "nsString.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsISpeculativeConnect.h"
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class nsProxyInfo;
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namespace mozilla { namespace net {
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class nsHttpConnectionInfo;
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class AltSvcMapping
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{
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AltSvcMapping)
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friend class AltSvcCache;
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public:
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AltSvcMapping(const nsACString &originScheme,
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const nsACString &originHost,
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int32_t originPort,
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const nsACString &username,
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bool privateBrowsing,
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uint32_t expiresAt,
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const nsACString &alternateHost,
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int32_t alternatePort,
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const nsACString &npnToken);
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const nsCString &AlternateHost() const { return mAlternateHost; }
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const nsCString &OriginHost() const { return mOriginHost; }
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const nsCString &HashKey() const { return mHashKey; }
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uint32_t AlternatePort() const { return mAlternatePort; }
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bool Validated() { return mValidated; }
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void SetValidated(bool val) { mValidated = val; }
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bool IsRunning() { return mRunning; }
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void SetRunning(bool val) { mRunning = val; }
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int32_t GetExpiresAt() { return mExpiresAt; }
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void SetExpiresAt(int32_t val) { mExpiresAt = val; }
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void SetExpired();
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bool RouteEquals(AltSvcMapping *map);
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void GetConnectionInfo(nsHttpConnectionInfo **outCI, nsProxyInfo *pi);
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int32_t TTL();
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private:
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virtual ~AltSvcMapping() {};
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static void MakeHashKey(nsCString &outKey,
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const nsACString &originScheme,
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const nsACString &originHost,
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int32_t originPort,
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bool privateBrowsing);
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nsCString mHashKey;
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nsCString mAlternateHost;
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int32_t mAlternatePort;
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nsCString mOriginHost;
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int32_t mOriginPort;
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nsCString mUsername;
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bool mPrivate;
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uint32_t mExpiresAt;
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bool mValidated;
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bool mRunning;
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bool mHttps;
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nsCString mNPNToken;
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};
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class AltSvcOverride : public nsIInterfaceRequestor
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, public nsISpeculativeConnectionOverrider
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSISPECULATIVECONNECTIONOVERRIDER
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NS_DECL_NSIINTERFACEREQUESTOR
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explicit AltSvcOverride(nsIInterfaceRequestor *aRequestor)
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: mCallbacks(aRequestor) {}
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private:
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virtual ~AltSvcOverride() {}
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nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
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};
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class AltSvcCache
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{
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public:
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void UpdateAltServiceMapping(AltSvcMapping *map, nsProxyInfo *pi,
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nsIInterfaceRequestor *, uint32_t caps); // main thread
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AltSvcMapping *GetAltServiceMapping(const nsACString &scheme,
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const nsACString &host,
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int32_t port, bool pb);
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void ClearAltServiceMappings();
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void ClearHostMapping(const nsACString &host, int32_t port);
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private:
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nsRefPtrHashtable<nsCStringHashKey, AltSvcMapping> mHash;
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};
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}} // namespace mozilla::net
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#endif // include guard
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