splitted Webserv.cpp

2022-07-29 17:16:26 +02:00
parent e5633a30e4
commit 36868afa30
14 changed files with 446 additions and 448 deletions
--- a/srcs/webserv/response.cpp
+++ b/srcs/webserv/response.cpp
@@ -0,0 +1,143 @@
+
+#include "Webserv.hpp"
+
+void	Webserv::_response(Client *client)
+{
+	_send_response(client);
+	if (g_last_signal)
+		_handle_last_signal();
+}
+
+void	Webserv::_send_response(Client *client)
+{
+	ssize_t	ret;
+
+	std::cerr << "send()\n";
+	std::cerr << "RAW_REQUEST\n|\n" << client->raw_request << "|\n"; // DEBUG
+
+	_construct_response(client);
+
+	ret = ::send(client->fd, client->response.data(), client->response.size(), 0);
+	if (ret == -1)
+	{
+		std::perror("err send()");
+		std::cerr << "client ptr =" << client << "\n"; // DEBUG
+		std::cerr << "client.fd =" << client->fd << "\n"; // DEBUG
+		_close_client(client->fd);
+		return ;
+	}
+
+	_close_client(client->fd);
+	/* if (client->raw_request.find("Connection: keep-alive") == std::string::npos)
+		_close_client(client->fd);
+	else
+	{
+		_epoll_update(client->fd, EPOLLIN, EPOLL_CTL_MOD, client);
+		client->raw_request.clear();
+		client->response.clear();
+	} */
+}
+
+void	Webserv::_construct_response(Client *client)
+{
+	client->status = 200;
+	client->response.append("Server: Webserv/0.1\r\n");
+
+	client->response.append("Connection: close\r\n");
+
+	_get_ressource(client);
+
+	_insert_status_line(client);
+}
+
+#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>"
+#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>"
+void	Webserv::_insert_status_line(Client *client)
+{
+	std::string	status_line;
+
+	status_line.append("HTTP/1.1 ");
+	// WIP, maybe make a map for status response
+	switch (client->status)
+	{
+		case (200):
+			status_line.append("200 OK");
+			break;
+		case (404):
+			status_line.append("404 Not Found");
+			client->response.append(E404);
+			break;
+		case (500):
+			status_line.append("500 Internal Server Error");
+			client->response.append(E500);
+			break;
+	}
+	status_line.append("\r\n");
+
+	client->response.insert(0, status_line);
+}
+
+#define ROOT "website"
+#define INDEX "index.html"
+#define MAX_FILESIZE	1000000 // (1Mo)
+void	Webserv::_get_ressource(Client *client)
+{
+	std::ifstream	ifd;  // For chunk, ifstream directly in struct CLient for multiples read without close() ?
+	char	buf[MAX_FILESIZE+1];
+	char	*tmp;
+
+	// Mini parsing à l'arrache du PATH
+	std::string	path;
+	path = client->raw_request.substr(0, client->raw_request.find("\r\n"));
+	path = path.substr(0, path.rfind(" "));
+	path = path.substr(path.find("/"));
+	if (path == "/")
+		path.append(INDEX);
+	path.insert(0, ROOT);
+
+	if (access(path.data(), R_OK) == -1)
+	{
+		std::perror("err access()");
+		client->status = 404;
+		return ;
+	}
+
+	ifd.open(path.data(), std::ios::binary | std::ios::ate); // std::ios::binary (binary for files like images ?)
+	if (!ifd)
+	{
+		std::cerr << path << ": open fail" << '\n';
+		client->status = 500;
+	}
+	else
+	{
+		// WIP : Chunk or not chunk (if filesize too big)
+		std::streampos	size = ifd.tellg();
+		if (size > MAX_FILESIZE)
+		{
+			// Then chunk
+			client->status = 500; // WIP temp
+			std::cerr << "File too large for non chunk body\n";
+			ifd.close();
+			return ;
+		}
+
+		ifd.seekg(0, std::ios::beg);
+		ifd.read(buf, size);
+		buf[ifd.gcount()] = '\0';
+
+		client->response.append("Content-Type: text/html; charset=UTF-8\r\n");
+
+		client->response.append("Content-Length: ");
+		tmp = ::ft_itoa(ifd.gcount());
+		client->response.append(tmp);
+		delete tmp;
+		client->response.append("\r\n");
+
+		// Body
+		client->response.append("\r\n");
+		client->response.append(buf);
+		
+
+		ifd.close();
+	}
+}