119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
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#include "Webserv.hpp"
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#define BUFSIZE 8192
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void Webserv::_request(Client *client)
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{
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_read_request(client);
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if (g_last_signal)
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_handle_last_signal();
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}
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void Webserv::_read_request(Client *client)
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{
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char buf[BUFSIZE+1];
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ssize_t ret;
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std::cerr << "recv()\n";
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ret = ::recv(client->fd, buf, BUFSIZE, 0);
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if (ret == -1)
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{
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std::perror("err recv()");
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std::cerr << "client ptr =" << client << "\n"; // DEBUG
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std::cerr << "client.fd =" << client->fd << "\n"; // DEBUG
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_close_client(client->fd);
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return ;
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}
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/*
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if (ret == BUFSIZE)
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// send error like "request too long" to client
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*/
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buf[ret] = '\0';
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client->raw_request.append(buf);
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_parse_request(client);
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_epoll_update(client->fd, EPOLLOUT, EPOLL_CTL_MOD, client);
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}
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// http headers :
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// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers
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// https://www.ibm.com/docs/en/cics-ts/5.3?topic=protocol-http-requests
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// https://www.tutorialspoint.com/http/http_requests.htm
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void Webserv::_parse_request(Client *client)
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{
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std::string sub;
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std::vector<std::string> list;
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size_t pos;
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pos = (client->raw_request).find("\r\n\r\n");
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sub = (client->raw_request).substr(0, pos);
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list = split(sub, '\n');
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// request_line
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_parse_request_line(client, *list.begin());
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list.erase(list.begin());
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// headers
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_parse_request_headers(client, list);
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// message-body
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client->request.insert( std::pair<std::string, std::string>("Body-Message", &client->raw_request[pos + 4]) );
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// TMP DEBUG
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// std::map<std::string, std::string>::iterator itm;
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// std::map<std::string, std::string>::iterator itm_end;
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// std::cout << "\n====== REQUEST HEADERS\n";
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// for (itm = client->request.begin(), itm_end = client->request.end(); itm != itm_end; itm++)
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// std::cout << "[" << itm->first << "] [" << itm->second << "]\n";
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// std::cout << "\n====== END\n";
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}
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void Webserv::_parse_request_line(Client *client, std::string rline)
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{
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std::vector<std::string> sline;
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std::string tmp;
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sline = split(rline, ' ');
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if (sline.size() != 3)
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{
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std::cerr << "err _parse_request_line(): ";
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throw std::runtime_error("bad request-line header");
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}
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// method
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tmp = ::trim(sline[0], ' ');
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tmp = ::trim(tmp, '\r');
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client->request.insert( std::pair<std::string, std::string>("Method", tmp) );
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// TODO uri in request_line :
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// https://www.rfc-editor.org/rfc/rfc7230#section-5.3
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// https://stackoverflow.com/questions/40311306/when-is-absoluteuri-used-from-the-http-request-specs
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tmp = ::trim(sline[1], ' ');
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tmp = ::trim(tmp, '\r');
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client->request.insert( std::pair<std::string, std::string>("Request-URI", tmp) );
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// http version
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tmp = ::trim(sline[2], ' ');
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tmp = ::trim(tmp, '\r');
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client->request.insert( std::pair<std::string, std::string>("HTTP-Version", tmp) );
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}
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void Webserv::_parse_request_headers
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( Client *client
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, std::vector<std::string> list)
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{
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std::string key;
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std::string val;
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std::vector<std::string>::iterator it;
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size_t pos;
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for (it = list.begin(); it != list.end(); it++)
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{
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pos = (*it).find(':');
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key = (*it).substr( 0, pos );
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key = ::trim(key, ' ');
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key = ::trim(key, '\r');
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val = (*it).substr( pos + 1 );
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val = ::trim(val, ' ');
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val = ::trim(val, '\r');
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client->request.insert( std::pair<std::string, std::string>(key, val) );
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}
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}
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