<?php declare(strict_types=1); namespace Webauthn\AuthenticationExtensions; use CBOR\CBORObject; use CBOR\MapObject; use function is_string; use Webauthn\Exception\AuthenticationExtensionException; abstract class AuthenticationExtensionsClientOutputsLoader { public static function load(CBORObject $object): AuthenticationExtensionsClientOutputs { $object instanceof MapObject || throw AuthenticationExtensionException::create('Invalid extension object'); $data = $object->normalize(); $extensions = AuthenticationExtensionsClientOutputs::create(); foreach ($data as $key => $value) { is_string($key) || throw AuthenticationExtensionException::create('Invalid extension key'); $extensions->add(AuthenticationExtension::create($key, $value)); } return $extensions; } }