/etc/horde/trean/routes.php is in php-horde-trean 1.1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | <?php
/**
 * Setup default routes
 */
$mapper->connect('/b/save',
    array(
        'controller' => 'SaveBookmark',
    ));
$mapper->connect('/b/delete',
    array(
        'controller' => 'DeleteBookmark',
    ));
$mapper->connect('/tag/:tag',
    array(
        'controller' => 'BrowseByTag',
    ));
 |