121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
/*
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Copyright (c) 2007-2018, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_HTTP_STREAM_HPP_INCLUDED
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#define TORRENT_HTTP_STREAM_HPP_INCLUDED
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#include <functional>
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#include "libtorrent/proxy_base.hpp"
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#include "libtorrent/string_util.hpp"
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namespace libtorrent {
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class http_stream : public proxy_base
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{
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public:
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explicit http_stream(io_service& io_service)
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: proxy_base(io_service)
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, m_no_connect(false)
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{}
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void set_no_connect(bool c) { m_no_connect = c; }
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void set_username(std::string const& user
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, std::string const& password)
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{
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m_user = user;
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m_password = password;
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}
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void set_dst_name(std::string const& host)
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{
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m_dst_name = host;
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}
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void close(error_code& ec)
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{
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m_dst_name.clear();
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proxy_base::close(ec);
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}
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#ifndef BOOST_NO_EXCEPTIONS
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void close()
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{
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m_dst_name.clear();
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proxy_base::close();
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}
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#endif
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template <class Handler>
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void async_connect(endpoint_type const& endpoint, Handler const& handler)
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{
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m_remote_endpoint = endpoint;
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// the connect is split up in the following steps:
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// 1. resolve name of proxy server
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// 2. connect to proxy server
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// 3. send HTTP CONNECT method and possibly username+password
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// 4. read CONNECT response
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using std::placeholders::_1;
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using std::placeholders::_2;
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tcp::resolver::query q(m_hostname, to_string(m_port).data());
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m_resolver.async_resolve(q, std::bind(
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&http_stream::name_lookup, this, _1, _2, handler_type(std::move(handler))));
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}
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private:
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void name_lookup(error_code const& e, tcp::resolver::iterator i
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, handler_type& h);
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void connected(error_code const& e, handler_type& h);
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void handshake1(error_code const& e, handler_type& h);
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void handshake2(error_code const& e, handler_type& h);
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// send and receive buffer
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std::vector<char> m_buffer;
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// proxy authentication
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std::string m_user;
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std::string m_password;
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std::string m_dst_name;
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// this is true if the connection is HTTP based and
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// want to talk directly to the proxy
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bool m_no_connect;
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};
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}
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#endif
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