160 lines
4.1 KiB
C++
160 lines
4.1 KiB
C++
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#include "Webserv.hpp"
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void Webserv::_response(Client *client)
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{
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_send_response(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::_send_response(Client *client)
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{
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ssize_t ret;
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std::cerr << "send()\n";
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std::cerr << "RAW_REQUEST\n|\n" << client->raw_request << "|\n"; // DEBUG
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_construct_response(client);
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ret = ::send(client->fd, client->response.data(), client->response.size(), 0);
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if (ret == -1)
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{
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std::perror("err send()");
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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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if (client->raw_request.find("Connection: close") != std::string::npos)
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_close_client(client->fd);
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else
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{
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_epoll_update(client->fd, EPOLLIN, EPOLL_CTL_MOD);
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client->raw_request.clear();
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client->response.clear();
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}
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}
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void Webserv::_construct_response(Client *client)
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{
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client->status = 200;
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client->response.append("Server: Webserv/0.1\r\n");
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if (client->raw_request.find("Connection: close") != std::string::npos)
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client->response.append("Connection: close\r\n");
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else
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client->response.append("Connection: keep-alive\r\n");
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_get_ressource(client);
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_insert_status_line(client);
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}
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#define E400 "\r\n<!DOCTYPE html><html><head><title>400 Bad Request</title></head><body><h1 style=\"text-align:center\">400 Bad Request</h1><hr><p style=\"text-align:center\">Le Webserv/0.1</p></body></html>"
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#define E404 "\r\n<!DOCTYPE html><html><head><title>404 Not Found</title></head><body><h1 style=\"text-align:center\">404 Not Found</h1><hr><p style=\"text-align:center\">Le Webserv/0.1</p></body></html>"
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#define E500 "\r\n<!DOCTYPE html><html><head><title>500 Internal Server Error</title></head><body><h1 style=\"text-align:center\">500 Internal Server Error</h1><hr><p style=\"text-align:center\">Le Webserv/0.1</p></body></html>"
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void Webserv::_insert_status_line(Client *client)
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{
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std::string status_line;
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status_line.append("HTTP/1.1 ");
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// WIP, maybe make a map for status response
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switch (client->status)
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{
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case (200):
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status_line.append("200 OK");
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break;
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case (400):
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status_line.append("400 Not Found");
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client->response.append(E400);
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break;
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case (404):
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status_line.append("404 Not Found");
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client->response.append(E404);
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break;
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case (500):
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status_line.append("500 Internal Server Error");
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client->response.append(E500);
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break;
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}
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status_line.append("\r\n");
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client->response.insert(0, status_line);
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}
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#define ROOT "website"
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#define INDEX "index.html"
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#define MAX_FILESIZE 1000000 // (1Mo)
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void Webserv::_get_ressource(Client *client)
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{
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std::ifstream ifd; // For chunk, ifstream directly in struct CLient for multiples read without close() ?
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char buf[MAX_FILESIZE+1];
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char *tmp;
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// Mini parsing à l'arrache du PATH
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std::string path;
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try
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{
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path = client->raw_request.substr(0, client->raw_request.find("\r\n"));
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path = path.substr(0, path.rfind(" "));
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path = path.substr(path.find("/"));
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if (path == "/")
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path.append(INDEX);
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path.insert(0, ROOT);
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}
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catch (std::out_of_range& e)
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{
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std::cout << e.what() << '\n';
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client->status = 400;
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return ;
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}
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if (access(path.data(), R_OK) == -1)
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{
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std::perror("err access()");
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client->status = 404;
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return ;
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}
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ifd.open(path.data(), std::ios::binary | std::ios::ate); // std::ios::binary (binary for files like images ?)
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if (!ifd)
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{
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std::cerr << path << ": open fail" << '\n';
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client->status = 500;
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}
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else
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{
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// WIP : Chunk or not chunk (if filesize too big)
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std::streampos size = ifd.tellg();
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if (size > MAX_FILESIZE)
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{
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// Then chunk
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client->status = 500; // WIP temp
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std::cerr << "File too large for non chunk body\n";
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ifd.close();
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return ;
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}
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ifd.seekg(0, std::ios::beg);
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ifd.read(buf, size);
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buf[ifd.gcount()] = '\0';
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client->response.append("Content-Type: text/html; charset=UTF-8\r\n");
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client->response.append("Content-Length: ");
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tmp = ::ft_itoa(ifd.gcount());
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client->response.append(tmp);
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delete tmp;
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client->response.append("\r\n");
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// Body
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client->response.append("\r\n");
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client->response.append(buf);
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ifd.close();
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}
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}
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