Horde_Kolab_Storage_Data::getAuth PHP Method

    public function getAuth();

 /**
  * Generate a prefix for the History system for the given Kolab data.
  *
  * @param  Horde_Kolab_Storage_Data $data  The data object.
  *
  * @return string  The History prefix.
  */
 public static function getPrefix(Horde_Kolab_Storage_Data $data)
 {
     $app = self::_type2app($data->getType());
     if (empty($app)) {
         Horde::log(sprintf('Unsupported app type: %s', $data->getType()), 'WARN');
         return false;
     }
     // Determine share id
     $user = $data->getAuth();
     $folder = $data->getPath();
     $share_id = '';
     $all_shares = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Share')->create($app)->listAllShares();
     foreach ($all_shares as $id => $share) {
         if ($folder == $share->get('folder')) {
             $share_id = $id;
             break;
         }
     }
     // Bail out if we are unable to determine the share id.
     if (empty($share_id)) {
         Horde::log(sprintf('HISTORY: share_id not found. Can\'t compute history prefix for user: %s, folder: %s', $user, $folder), 'WARN');
         return false;
     }
     return $app . ':' . $share_id . ':';
 }