public function getRegistryContributions()
 {
     $logged = AuthService::getLoggedUser();
     if (AuthService::usersEnabled()) {
         if ($logged == null) {
             return $this->registryContributions;
         } else {
             $xmlString = AJXP_XMLWriter::getUserXml($logged, false);
         }
     } else {
         $xmlString = AJXP_XMLWriter::getUserXml(null, false);
     }
     $dom = new DOMDocument();
     $dom->loadXML($xmlString);
     $this->registryContributions[] = $dom->documentElement;
     return $this->registryContributions;
 }