public function activate()
 {
     parent::activate();
     if (CHECK_REFERRER) {
         global $allowed_referrers;
         if (!isset($allowed_referrers)) {
             $allowed_referrers = array();
         }
         $cas_host = getConfig('cas_host');
         if ($cas_host) {
             $allowed_referrers[] = $cas_host;
         }
     }
     if (isset($_GET['ticket'])) {
         self::login();
     }
 }
 public function activate()
 {
     global $public_scheme, $pageroot;
     parent::activate();
     $this->linkText = getConfig('viewbrowser_link');
     $this->rootUrl = sprintf('%s://%s%s/', $public_scheme, getConfig('website'), $pageroot);
 }