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<?php
/*
* Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
* Copyright (C) 2002-2005 The Nucleus Group
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* (see nucleus/documentation/index.html#license for more info)
*/
/**
* Nucleus RSS syndication channel skin
* @license http://nucleuscms.org/license.txt GNU General Public License
* @copyright Copyright (C) 2002-2005 The Nucleus Group
* @version $Id: xml-rss2.php,v 1.9.2.1 2005/08/15 10:51:08 dekarma Exp $
*/
header("Pragma: no-cache");
$CONF = array();
$CONF['Self'] = "xml-rss2.php";
include('./config.php');
if (!$CONF['DisableSite']) {
// get feed into $feed
ob_start();
selectSkin('feeds/rss20');
selector();
$feed = ob_get_contents();
ob_end_clean();
// create ETAG (hash of feed)
// (HTTP_IF_NONE_MATCH has quotes around it)
$eTag = '"'.md5($feed).'"';
header('Etag: '.$eTag);
// compare Etag to what we got
if ($eTag == serverVar('HTTP_IF_NONE_MATCH')) {
header("HTTP/1.0 304 Not Modified");
header('Content-Length: 0');
} else {
// dump feed
echo $feed;
}
} else {
// output empty RSS file...
// (because site is disabled)
echo '<' . '?xml version="1.0" encoding="' . _CHARSET . '"?' . '>';
?>
<rss version="2.0">
<channel>
<title><?php echo htmlspecialchars($CONF['SiteName'])?></title>
<link><?php echo htmlspecialchars($CONF['IndexURL'])?></link>
<description></description>
<docs>http://backend.userland.com/rss</docs>
</channel>
</rss>
<?php
}
?>
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