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/*
* Copyright (c) 2013-2024, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
* See full license text in LICENSE file at top of project tree
*/
#ifndef HTTP_SERVER_H__
#define HTTP_SERVER_H__
#include <inttypes.h>
#include <string>
#include <memory>
#include <map>
#include <thread>
#include <boost/asio.hpp>
#include <sstream>
#include "HTTP.h"
namespace i2p
{
namespace http
{
const size_t HTTP_CONNECTION_BUFFER_SIZE = 8192;
const int TOKEN_EXPIRATION_TIMEOUT = 30; // in seconds
const int COMMAND_REDIRECT_TIMEOUT = 5; // in seconds
const int TRANSIT_TUNNELS_LIMIT = 1000000;
class HTTPConnection: public std::enable_shared_from_this<HTTPConnection>
{
public:
HTTPConnection (std::string serverhost, std::shared_ptr<boost::asio::ip::tcp::socket> socket);
void Receive ();
private:
void HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void Terminate (const boost::system::error_code& ecode);
void RunRequest ();
bool CheckAuth (const HTTPReq & req);
void HandleRequest (const HTTPReq & req);
void HandlePage (const HTTPReq & req, HTTPRes & res, std::stringstream& data);
void HandleCommand (const HTTPReq & req, HTTPRes & res, std::stringstream& data);
void SendReply (HTTPRes & res, std::string & content);
uint32_t CreateToken ();
private:
std::shared_ptr<boost::asio::ip::tcp::socket> m_Socket;
char m_Buffer[HTTP_CONNECTION_BUFFER_SIZE + 1];
size_t m_BufferLen;
std::string m_SendBuffer;
bool needAuth;
std::string user;
std::string pass;
std::string expected_host;
static std::map<uint32_t, uint32_t> m_Tokens; // token->timestamp in seconds
};
class HTTPServer
{
public:
HTTPServer (const std::string& address, int port);
~HTTPServer ();
void Start ();
void Stop ();
private:
void Run ();
void Accept ();
void HandleAccept(const boost::system::error_code& ecode,
std::shared_ptr<boost::asio::ip::tcp::socket> newSocket);
void CreateConnection(std::shared_ptr<boost::asio::ip::tcp::socket> newSocket);
private:
bool m_IsRunning;
std::unique_ptr<std::thread> m_Thread;
boost::asio::io_context m_Service;
boost::asio::executor_work_guard<boost::asio::io_context::executor_type> m_Work;
boost::asio::ip::tcp::acceptor m_Acceptor;
std::string m_Hostname;
};
//all the below functions are also used by Qt GUI, see mainwindow.cpp -> getStatusPageHtml
enum OutputFormatEnum { forWebConsole, forQtUi };
void ShowStatus (std::stringstream& s, bool includeHiddenContent, OutputFormatEnum outputFormat);
void ShowLocalDestinations (std::stringstream& s);
void ShowLeasesSets(std::stringstream& s);
void ShowTunnels (std::stringstream& s);
void ShowTransitTunnels (std::stringstream& s);
void ShowTransports (std::stringstream& s);
void ShowSAMSessions (std::stringstream& s);
void ShowI2PTunnels (std::stringstream& s);
void ShowLocalDestination (std::stringstream& s, const std::string& b32, uint32_t token);
void ShowSAMSession (std::stringstream& s, const std::string& id);
void ShowI2CPLocalDestination (std::stringstream& s, const std::string& id);
} // http
} // i2p
#endif /* HTTP_SERVER_H__ */
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