/** * @param Api $api * @return \Symfony\Component\HttpFoundation\Response */ private function retrieveSecureKey(Api $api) { $response = Response::create($api->getSecureKey()); $response->headers->add(['Content-Type' => 'application/octet-stream', 'Content-disposition' => sprintf('filename=%s.key', $api->getApiKey())]); return $response; }