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Copy pathfeed.php
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75 lines (65 loc) · 1.99 KB
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<?php
/**
* XML feed export
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*
* @global array $conf
* @global Input $INPUT
*/
use dokuwiki\Feed\FeedCreator;
use dokuwiki\Feed\FeedCreatorOptions;
use dokuwiki\Cache\Cache;
use dokuwiki\ChangeLog\MediaChangeLog;
use dokuwiki\ChangeLog\PageChangeLog;
use dokuwiki\Extension\AuthPlugin;
use dokuwiki\Extension\Event;
if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/');
require_once(DOKU_INC . 'inc/init.php');
//close session
session_write_close();
//feed disabled?
if (!actionOK('rss')) {
http_status(404);
echo '<error>RSS feed is disabled.</error>';
exit;
}
$options = new FeedCreatorOptions();
// the feed is dynamic - we need a cache for each combo
// (but most people just use the default feed so it's still effective)
$key = implode('$', [
$options->getCacheKey(),
$INPUT->server->str('REMOTE_USER'),
$INPUT->server->str('HTTP_HOST'),
$INPUT->server->str('SERVER_PORT')
]);
$cache = new Cache($key, '.feed');
// prepare cache depends
$depends['files'] = getConfigFiles('main');
$depends['age'] = $conf['rss_update'];
$depends['purge'] = $INPUT->bool('purge');
// check cacheage and deliver if nothing has changed since last
// time or the update interval has not passed, also handles conditional requests
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Type: ' . $options->getMimeType());
header('X-Robots-Tag: noindex');
if ($cache->useCache($depends)) {
http_conditionalRequest($cache->getTime());
if ($conf['allowdebug']) header("X-CacheUsed: $cache->cache");
echo $cache->retrieveCache();
exit;
} else {
http_conditionalRequest(time());
}
// create new feed
try {
$feed = (new FeedCreator($options))->build();
$cache->storeCache($feed);
echo $feed;
} catch (Exception $e) {
http_status(500);
echo '<error>' . hsc($e->getMessage()) . '</error>';
exit;
}