/** @return boolean */
 public function isSigned()
 {
     return false;
     //@todo pro oauth
     try {
         if ($this->isSigned === null) {
             Logger::debug("login", "signed je null");
             $di = $this->getDI();
             $request = $di->getHttpRequest();
             $signed = $request->isSigned();
             Logger::debug("login", "api controler signed je " . var_export($signed, true));
             $this->isSigned = $signed;
         }
         Logger::debug("login", "api controler isSigned je " . var_export($this->isSigned, true));
         return $this->isSigned;
     } catch (\Exception $e) {
         throw $e;
     }
 }
 /**
  * @return bool
  */
 public function isSigned()
 {
     Logger::debug("login", "http: isSigned:start");
     if ($this->getParam('oauth_signature')) {
         return true;
     }
     Logger::debug("login", "http: neni oauth_signature");
     $hs = $this->request->getHeaders();
     $signed = isset($hs['Authorization']) && strpos($hs['Authorization'], 'oauth_signature') !== false;
     Logger::debug("login", "http: signed je " . var_export($signed, true));
     return $signed;
 }