eeb2bbc0fc
This is intended to catch traffic coming from a web browser, so we avoid issues with a web page sending a transfer RPC to the wallet. Requiring a particular user agent can act as a simple password scheme, while we wait for 0MQ and proper authentication to be merged.
212 lines
7 KiB
C++
212 lines
7 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
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//
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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 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 the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _HTTP_SERVER_H_
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#define _HTTP_SERVER_H_
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#include <string>
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#include "net_utils_base.h"
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#include "to_nonconst_iterator.h"
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#include "http_base.h"
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namespace epee
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{
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namespace net_utils
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{
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namespace http
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{
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/************************************************************************/
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/* */
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/************************************************************************/
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struct http_server_config
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{
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std::string m_folder;
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std::string m_required_user_agent;
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critical_section m_lock;
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};
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/************************************************************************/
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/* */
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/************************************************************************/
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template<class t_connection_context = net_utils::connection_context_base>
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class simple_http_connection_handler
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{
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public:
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typedef t_connection_context connection_context;//t_connection_context net_utils::connection_context_base connection_context;
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typedef http_server_config config_type;
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simple_http_connection_handler(i_service_endpoint* psnd_hndlr, config_type& config);
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virtual ~simple_http_connection_handler(){}
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bool release_protocol()
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{
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return true;
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}
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virtual bool thread_init()
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{
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return true;
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}
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virtual bool thread_deinit()
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{
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return true;
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}
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bool after_init_connection()
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{
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return true;
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}
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virtual bool handle_recv(const void* ptr, size_t cb);
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virtual bool handle_request(const http::http_request_info& query_info, http_response_info& response);
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private:
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enum machine_state{
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http_state_retriving_comand_line,
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http_state_retriving_header,
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http_state_retriving_body,
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http_state_connection_close,
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http_state_error
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};
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enum body_transfer_type{
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http_body_transfer_chunked,
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http_body_transfer_measure,//mean "Content-Length" valid
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http_body_transfer_chunked_instead_measure,
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http_body_transfer_connection_close,
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http_body_transfer_multipart,
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http_body_transfer_undefined
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};
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bool handle_buff_in(std::string& buf);
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bool analize_cached_request_header_and_invoke_state(size_t pos);
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bool handle_invoke_query_line();
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bool parse_cached_header(http_header_info& body_info, const std::string& m_cache_to_process, size_t pos);
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std::string::size_type match_end_of_header(const std::string& buf);
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bool get_len_from_content_lenght(const std::string& str, size_t& len);
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bool handle_retriving_query_body();
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bool handle_query_measure();
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bool set_ready_state();
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bool slash_to_back_slash(std::string& str);
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std::string get_file_mime_tipe(const std::string& path);
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std::string get_response_header(const http_response_info& response);
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//major function
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inline bool handle_request_and_send_response(const http::http_request_info& query_info);
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std::string get_not_found_response_body(const std::string& URI);
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std::string m_root_path;
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std::string m_cache;
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machine_state m_state;
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body_transfer_type m_body_transfer_type;
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bool m_is_stop_handling;
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http::http_request_info m_query_info;
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size_t m_len_summary, m_len_remain;
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config_type& m_config;
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bool m_want_close;
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protected:
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i_service_endpoint* m_psnd_hndlr;
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};
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template<class t_connection_context>
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struct i_http_server_handler
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{
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virtual ~i_http_server_handler(){}
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virtual bool handle_http_request(const http_request_info& query_info,
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http_response_info& response,
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t_connection_context& m_conn_context) = 0;
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virtual bool init_server_thread(){return true;}
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virtual bool deinit_server_thread(){return true;}
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};
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template<class t_connection_context>
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struct custum_handler_config: public http_server_config
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{
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i_http_server_handler<t_connection_context>* m_phandler;
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};
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/************************************************************************/
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/* */
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/************************************************************************/
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template<class t_connection_context = net_utils::connection_context_base>
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class http_custom_handler: public simple_http_connection_handler<t_connection_context>
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{
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public:
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typedef custum_handler_config<t_connection_context> config_type;
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http_custom_handler(i_service_endpoint* psnd_hndlr, config_type& config, t_connection_context& conn_context)
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: simple_http_connection_handler<t_connection_context>(psnd_hndlr, config),
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m_config(config),
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m_conn_context(conn_context)
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{}
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inline bool handle_request(const http_request_info& query_info, http_response_info& response)
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{
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CHECK_AND_ASSERT_MES(m_config.m_phandler, false, "m_config.m_phandler is NULL!!!!");
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//fill with default values
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response.m_mime_tipe = "text/plain";
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response.m_response_code = 200;
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response.m_response_comment = "OK";
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response.m_body.clear();
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return m_config.m_phandler->handle_http_request(query_info, response, m_conn_context);
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}
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virtual bool thread_init()
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{
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return m_config.m_phandler->init_server_thread();;
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}
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virtual bool thread_deinit()
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{
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return m_config.m_phandler->deinit_server_thread();
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}
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void handle_qued_callback()
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{}
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bool after_init_connection()
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{
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return true;
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}
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private:
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//simple_http_connection_handler::config_type m_stub_config;
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config_type& m_config;
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t_connection_context& m_conn_context;
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};
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}
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}
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}
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#include "http_protocol_handler.inl"
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#endif //_HTTP_SERVER_H_
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