/**
* Updates metadata with the authorization token.
*
* @param array $metadata metadata hashmap
* @param string $authUri optional auth uri
* @param callable $httpHandler callback which delivers psr7 request
*
* @return array updated metadata hashmap
*/
public function updateMetadata($metadata, $authUri = null, callable $httpHandler = null)
{
// scope exists. use oauth implementation
$scope = $this->auth->getScope();
if (!is_null($scope)) {
return parent::updateMetadata($metadata, $authUri, $httpHandler);
}
// no scope found. create jwt with the auth uri
$credJson = array('private_key' => $this->auth->getSigningKey(), 'client_email' => $this->auth->getIssuer());
$jwtCreds = new ServiceAccountJwtAccessCredentials($credJson);
return $jwtCreds->updateMetadata($metadata, $authUri, $httpHandler);
}
