4 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
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5 * Copyright (C) 2002-2012 The Nucleus Group
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7 * This program is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License
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9 * as published by the Free Software Foundation; either version 2
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10 * of the License, or (at your option) any later version.
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11 * (see nucleus/documentation/index.html#license for more info)
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15 * Nucleus RSS syndication channel skin
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16 * @license http://nucleuscms.org/license.txt GNU General Public License
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17 * @copyright Copyright (C) 2002-2012 The Nucleus Group
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18 * @version $Id: xml-rss2.php 1624 2012-01-09 11:36:20Z sakamocchi $
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21 header('Pragma: no-cache');
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24 include('./config.php');
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26 if ( !$CONF['DisableSite'] )
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28 // get feed into $feed
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30 selectSkin('feeds/rss20');
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32 $feed = ob_get_contents();
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36 * create ETAG (hash of feed)
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37 * (HTTP_IF_NONE_MATCH has quotes around it)
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39 $eTag = '"' . md5($feed) . '"';
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40 header('Etag: ' . $eTag);
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42 // compare Etag to what we got
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43 if ( $eTag == serverVar('HTTP_IF_NONE_MATCH') )
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45 header('HTTP/1.0 304 Not Modified');
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46 header('Content-Length: 0');
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53 // site is disabled, output empty RSS file
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56 echo '<?xml version="1.0" encoding="' . i18n::get_current_charset() . '"?>' . "\n";
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57 echo "<rss version=\"2.0\">\n";
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59 echo '<title>' . Entity::hsc($CONF['SiteName']) . "</title>\n";
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60 echo "<link>" . Entity::hsc($CONF['IndexURL']) . "</link>\n";
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61 echo "<description></description>\n";
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62 echo "<docs>http://backend.userland.com/rss</docs>\n";
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63 echo "</channel>\n";
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