<?php declare(strict_types=1); /* * The MIT License (MIT) * * Copyright (c) 2014-2021 Spomky-Labs * * This software may be modified and distributed under the terms * of the MIT license. See the LICENSE file for details. */ namespace Webauthn\AuthenticationExtensions; use function array_key_exists; use ArrayIterator; use Assert\Assertion; use function count; use Countable; use Iterator; use IteratorAggregate; use JsonSerializable; use function Safe\json_decode; use function Safe\sprintf; class AuthenticationExtensionsClientOutputs implements JsonSerializable, Countable, IteratorAggregate { /** * @var AuthenticationExtension[] */ private $extensions = []; public function add(AuthenticationExtension $extension): void { $this->extensions[$extension->name()] = $extension; } public static function createFromString(string $data): self { $data = json_decode($data, true); Assertion::isArray($data, 'Invalid data'); return self::createFromArray($data); } /** * @param mixed[] $json */ public static function createFromArray(array $json): self { $object = new self(); foreach ($json as $k => $v) { $object->add(new AuthenticationExtension($k, $v)); } return $object; } public function has(string $key): bool { return array_key_exists($key, $this->extensions); } /** * @return mixed */ public function get(string $key) { Assertion::true($this->has($key), sprintf('The extension with key "%s" is not available', $key)); return $this->extensions[$key]; } /** * @return AuthenticationExtension[] */ public function jsonSerialize(): array { return array_map(static function (AuthenticationExtension $object) { return $object->jsonSerialize(); }, $this->extensions); } /** * @return Iterator<string, AuthenticationExtension> */ public function getIterator(): Iterator { return new ArrayIterator($this->extensions); } public function count(int $mode = COUNT_NORMAL): int { return count($this->extensions, $mode); } }