atom.php Source File | Doxygen Source Document

00001 <?php
00002 /*
00003  * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
00004  * Copyright (C) 2002-2007 The Nucleus Group
00005  *
00006  * This program is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU General Public License
00008  * as published by the Free Software Foundation; either version 2
00009  * of the License, or (at your option) any later version.
00010  * (see nucleus/documentation/index.html#license for more info)
00011  */
00012 
00021 header('Pragma: no-cache');
00022 
00023 $CONF = array();
00024 $CONF['Self'] = 'atom.php';
00025 
00026 include('./config.php');
00027 
00028 if (!$CONF['DisableSite']) {
00029         // get feed into $feed
00030         ob_start();
00031                 selectSkin('feeds/atom');
00032                 selector();
00033                 $feed = ob_get_contents();
00034         ob_end_clean();
00035 
00036         // create ETAG (hash of feed)
00037         // (HTTP_IF_NONE_MATCH has quotes around it)
00038         $eTag = '"' . md5($feed) . '"';
00039         header('Etag: ' . $eTag);
00040 
00041         // compare Etag to what we got
00042         if ($eTag == serverVar('HTTP_IF_NONE_MATCH') ) {
00043                 header('HTTP/1.0 304 Not Modified');
00044                 header('Content-Length: 0');
00045         } else {
00046                 header("Content-Type: application/xml");
00047                 // dump feed
00048                 echo $feed;
00049         }
00050 
00051 }
00052 
00053 ?>