/usr/share/horde/trean/rss.php is in php-horde-trean 1.1.4-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Copyright 2007-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (BSD). If you
* did not receive this file, see http://www.horde.org/licenses/bsdl.php.
*/
require_once __DIR__ . '/lib/Application.php';
Horde_Registry::appInit('trean');
// Cache object
$cache = $GLOBALS['injector']->getInstance('Horde_Cache');
// Get folders to display
$cache_key = 'trean_rss_' . $registry->getAuth() . '_' . ($folderId === null ? 'all' : $folderId);
$rss = $cache->get($cache_key, $conf['cache']['default_lifetime']);
if (!$rss) {
$rss = '<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
<channel>
<title>' . htmlspecialchars($folderId == null ? $registry->get('name') : $folder->get('name')) . '</title>
<language>' . $registry->preferredLang() . '</language>
<charset>UTF-8</charset>
<lastBuildDate>' . date('Y-m-d H:i:s') . '</lastBuildDate>
<image>
<url>http://' . $_SERVER['SERVER_NAME'] . $registry->get('webroot') . '/themes/graphics/favicon.ico</url>
</image>
<generator>' . htmlspecialchars($registry->get('name')) . '</generator>';
$bookmarks = $trean_gateway->listBookmarks($prefs->getValue('sortby'),
$prefs->getValue('sortdir'));
foreach ($bookmarks as $bookmark) {
if (!$bookmark->url) {
continue;
}
$rss .= '
<item>
<title>' . htmlspecialchars($bookmark->title) . ' </title>
<link>' . htmlspecialchars($bookmark->url) . '</link>
<description>' . htmlspecialchars($bookmark->description) . '</description>
</item>';
}
$rss .= '
</channel>
</rss>';
$cache->set($cache_key, $rss);
}
header('Content-type: application/rss+xml');
echo $rss;
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