/**
* Override used to allow pre-signed URLs to be created for an
* in-determinate request payload.
*/
protected function getPresignedPayload(RequestInterface $request)
{
$result = parent::getPresignedPayload($request);
// If the body is empty, then sign with 'UNSIGNED-PAYLOAD'
if ($result === self::DEFAULT_PAYLOAD) {
$result = 'UNSIGNED-PAYLOAD';
}
return $result;
}
