2 * Copyright (C) 2007 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include <atompub/atom.h>
24 #define _GNU_SOURCE /* for asprintf */
31 uri_is_absolute (char *uri)
40 char *request_uri = getenv ("REQUEST_URI");
41 char *path = getenv ("PATH_INFO");
42 char *host = getenv ("HTTP_HOST");
43 char *server = getenv ("SERVER_NAME");
44 char *sport = getenv ("SERVER_PORT");
48 port = strtol (sport, NULL, 0);
54 if (request_uri == NULL)
56 if (uri_is_absolute (request_uri))
58 uri = strdup (request_uri);
62 asprintf (&uri, "http://%s%s", host, request_uri);
64 else if (server && port != 0 && port != 80)
66 asprintf (&uri, "http://%s:%d%s", server, port, request_uri);
70 asprintf (&uri, "http://%s%s", server, request_uri);
74 size_t pathl = strlen (path);
75 size_t uril = strlen (uri);
76 if (!strncmp (uri + uril - pathl, path, pathl))
78 *(uri + uril - pathl) = 0;
85 cgi_request_content_set (AtomCtx *ctx, AtomRequest *request)
91 channel = g_io_channel_unix_new (0);
92 if (g_io_channel_read_to_end (channel, &data, &len, &error) !=
95 AtomError *aerr = atom_error_new_from_gerror (error);
96 g_io_channel_unref (channel);
97 atom_error_set (ctx, aerr);
101 atom_request_content_set (request, data, len);
102 g_io_channel_unref (channel);
107 cgi_get_request (AtomCtx *ctx)
110 char *method = getenv ("REQUEST_METHOD");
111 char *path = getenv ("PATH_INFO");
112 AtomRequest *request;
115 error = atom_error_new ();
116 atom_error_code_set (error, 400);
117 atom_error_message_set (error, "Bad Request");
118 atom_error_set (ctx, error);
121 if (path == NULL || *path == '\0')
123 if (!strcmp (method, "GET"))
125 /* Remove the leading slash before mapping */
126 return atom_request_new (ATOM_REQUEST_GET, path + 1);
128 else if (!strcmp (method, "POST"))
130 request = atom_request_new (ATOM_REQUEST_POST, path + 1);
131 cgi_request_content_set (ctx, request);
132 if (atom_error_get (ctx) != NULL)
134 atom_request_delete (request);
139 error = atom_error_new ();
140 atom_error_code_set (error, 501);
141 atom_error_message_set (error, "Not Implemented");
142 atom_error_set (ctx, error);
147 cgi_handle_error (AtomCtx *ctx)
150 if ((error = atom_error_get (ctx)) != NULL)
152 int code = atom_error_code (error);
153 char *message = atom_error_message (error);
154 fprintf (stdout, "Status: %d %s\n\n%s\n", code, message, message);
158 fprintf (stdout, "Status: 500 Server error\n\nServer error\n");
163 cgi_write_header (void)
166 header = "Content-type: application/atom+xml\n\n";
167 write (1, header, strlen (header));
171 cgi_handle_entry (AtomCtx *ctx, AtomEntry *entry)
176 atom_entry_string (entry, &str, &len);
177 atom_entry_delete (entry);
183 cgi_handle_feed (AtomCtx *ctx, AtomFeed *feed)
188 atom_feed_string (feed, &str, &len);
189 atom_feed_delete (feed);
195 cgi_is_feed (AtomCtx *ctx, char *req)
197 return (req == NULL || *req == '\0');
203 AtomFrontend *frontend;
204 frontend = atom_frontend_new ();
205 atom_frontend_map_entries_set (frontend, atom_map_frontend_requests);
206 atom_frontend_is_feed_set (frontend, cgi_is_feed);
207 atom_frontend_get_request_set (frontend, cgi_get_request);
208 atom_frontend_handle_error_set (frontend, cgi_handle_error);
209 atom_frontend_handle_entry_set (frontend, cgi_handle_entry);
210 atom_frontend_handle_feed_set (frontend, cgi_handle_feed);