getAppSecret() public static méthode

public static getAppSecret ( )
 /**
  *  Override ti add OVH auth
  *
  * @param $method
  * @param null $uri
  * @param null $headers
  * @param null $body
  * @return \Guzzle\Http\Message\Request
  */
 public function createRequest($method = RequestInterface::GET, $uri = null, $headers = null, $body = null)
 {
     $request = parent::createRequest($method, $uri, $headers, $body);
     // see http://snippets.webaware.com.au/howto/stop-turning-off-curlopt_ssl_verifypeer-and-fix-your-php-config/
     #$request->getCurlOptions()->set(CURLOPT_SSL_VERIFYPEER, false);
     // Add OVH auth headers
     $hTimestamp = $this->getTimestamp();
     # SIG = "$1$" + sha1.hex(AS+"+"+CK+"+"+METHOD+"+"+QUERY+"+"+BODY +"+"+TSTAMP)
     #var_dump($body);
     #print $body;
     #die();
     #if ($method == "POST")
     #    $baseSig = Keyring::getAppSecret() . '+' . Keyring::getConsumerKey() . '+' . $method . '+' . $request->getUrl() . '+' . '' . '+' . $hTimestamp;
     #else
     $baseSig = Keyring::getAppSecret() . '+' . Keyring::getConsumerKey() . '+' . $method . '+' . $request->getUrl() . '+' . $body . '+' . $hTimestamp;
     #
     #print $baseSig . "\n";
     $sig = '$1$' . sha1($baseSig);
     #print $sig . "\n";
     $request->addHeader('X-Ovh-Application', Keyring::getAppKey());
     $request->addHeader('X-Ovh-Timestamp', $hTimestamp);
     $request->addHeader('X-Ovh-Consumer', Keyring::getConsumerKey());
     $request->addHeader('X-Ovh-Signature', $sig);
     return $request;
 }