<?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;
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;
class PublicKeyCredentialDescriptorCollection implements JsonSerializable, Countable, IteratorAggregate
{
/**
* @var PublicKeyCredentialDescriptor[]
*/
private $publicKeyCredentialDescriptors = [];
public function add(PublicKeyCredentialDescriptor $publicKeyCredentialDescriptor): void
{
$this->publicKeyCredentialDescriptors[$publicKeyCredentialDescriptor->getId()] = $publicKeyCredentialDescriptor;
}
public function has(string $id): bool
{
return array_key_exists($id, $this->publicKeyCredentialDescriptors);
}
public function remove(string $id): void
{
if (!$this->has($id)) {
return;
}
unset($this->publicKeyCredentialDescriptors[$id]);
}
/**
* @return Iterator<string, PublicKeyCredentialDescriptor>
*/
public function getIterator(): Iterator
{
return new ArrayIterator($this->publicKeyCredentialDescriptors);
}
public function count(int $mode = COUNT_NORMAL): int
{
return count($this->publicKeyCredentialDescriptors, $mode);
}
/**
* @return array[]
*/
public function jsonSerialize(): array
{
return array_map(static function (PublicKeyCredentialDescriptor $object): array {
return $object->jsonSerialize();
}, $this->publicKeyCredentialDescriptors);
}
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
{
$collection = new self();
foreach ($json as $item) {
$collection->add(PublicKeyCredentialDescriptor::createFromArray($item));
}
return $collection;
}
}