std::unique_ptr<http::request> http::request_reader::accept_request() {
std::string method;
std::string request_uri;
std::tie(method, request_uri) = read_request_line();
auto headers = read_request_headers();
return std::unique_ptr<http::request>(new http::request(method, request_uri, headers));
}
/** @brief Handles HTTP GET requests.
* Reads and parses the request, the uri, and dispatches the appropriate
* functions to serve content.
* @param conn_fd The connection file descriptor.
* @return none.
*/
void handle_request(int conn_fd)
{
rio_t rio;
char request[MAXLINE], uri[MAXLINE];
char file_name[MAXLINE], cgi_args[MAXLINE];
int is_static;
struct stat st_buf;
Rio_readinitb(&rio, conn_fd);
/* Read first header line of incoming request. */
if (rio_readlineb(&rio, request, MAXLINE) < 0) {
dbg_printf("rio_readlineb error\n");
return;
}
dbg_printf("Request: %s", request);
if (parse_request_header(conn_fd, request, uri) != SUCCESS) {
return;
}
if (read_request_headers(&rio) != SUCCESS) {
return;
}
find_file(uri, file_name, cgi_args, &is_static);
if (stat(file_name, &st_buf) < 0) {
dbg_printf("404: File not found: %s\n", file_name);
send_error_msg(conn_fd, "404", "File not found");
return;
}
/* Handle static content */
if (is_static) {
if (!(S_ISREG(st_buf.st_mode)) || !(S_IRUSR & st_buf.st_mode)) {
dbg_printf("403: Can't read the file: %s\n", file_name);
send_error_msg(conn_fd, "403", "Can't read the file.");
return;
}
serve_static(conn_fd, file_name, st_buf.st_size);
}
/* Handle dynamic content */
else {
if (!(S_ISREG(st_buf.st_mode)) || !(S_IXUSR & st_buf.st_mode)) {
dbg_printf("403: Can't run the CGI program: %s\n", file_name);
send_error_msg(conn_fd, "403", "Can't run the CGI program.");
return;
}
serve_dynamic(conn_fd, file_name, cgi_args);
}
}
