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83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
// Copyright 2012 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_HTTP_PROXY_CLIENT_SOCKET_H_
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#define NET_HTTP_PROXY_CLIENT_SOCKET_H_
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#include <memory>
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#include <string>
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#include "net/base/completion_once_callback.h"
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#include "net/base/net_export.h"
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#include "net/base/request_priority.h"
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#include "net/socket/ssl_client_socket.h"
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#include "net/socket/stream_socket.h"
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namespace net {
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class HostPortPair;
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class HttpAuthController;
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class HttpResponseInfo;
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class HttpRequestHeaders;
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class HttpAuthController;
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class NetLogWithSource;
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// A common base class for a stream socket tunneled through a proxy.
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class NET_EXPORT_PRIVATE ProxyClientSocket : public StreamSocket {
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public:
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ProxyClientSocket() = default;
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ProxyClientSocket(const ProxyClientSocket&) = delete;
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ProxyClientSocket& operator=(const ProxyClientSocket&) = delete;
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~ProxyClientSocket() override = default;
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// Returns the HttpResponseInfo (including HTTP Headers) from
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// the response to the CONNECT request.
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virtual const HttpResponseInfo* GetConnectResponseInfo() const = 0;
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// Returns the HttpAuthController which can be used
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// to interact with an HTTP Proxy Authorization Required (407) request.
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virtual const scoped_refptr<HttpAuthController>& GetAuthController() const
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= 0;
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// If Connect (or its callback) returns PROXY_AUTH_REQUESTED, then an
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// auth challenge was received. If the HttpAuthController's HaveAuth()
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// method returns true, then the request just needs to be restarted with
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// this method to try with those credentials, and new credentials cannot
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// be provided. Otherwise, credentials should be added to the
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// HttpAuthController before calling RestartWithAuth. Not all
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// ProxyClientSocket implementations will be restartable. Such
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// implementations should disconnect themselves and return OK.
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virtual int RestartWithAuth(CompletionOnceCallback callback) = 0;
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// Set the priority of the underlying stream (for SPDY and QUIC)
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virtual void SetStreamPriority(RequestPriority priority);
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protected:
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// The HTTP CONNECT method for establishing a tunnel connection is documented
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// in Section 9.3.6 of RFC 9110.
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// https://www.rfc-editor.org/rfc/rfc9110#name-connect
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static void BuildTunnelRequest(const HostPortPair& endpoint,
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const HttpRequestHeaders& extra_headers,
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const std::string& user_agent,
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std::string* request_line,
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HttpRequestHeaders* request_headers);
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// When an auth challenge (407 response) is received during tunnel
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// construction/ this method should be called.
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static int HandleProxyAuthChallenge(HttpAuthController* auth,
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HttpResponseInfo* response,
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const NetLogWithSource& net_log);
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// When a proxy authentication response is received during tunnel
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// construction, this method should be called to strip everything
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// but the auth header from the redirect response.
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static void SanitizeProxyAuth(HttpResponseInfo& response);
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};
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} // namespace net
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#endif // NET_HTTP_PROXY_CLIENT_SOCKET_H_
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