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<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Spomky-Labs
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace U2FAuthentication\Fido2;
use Assert\Assertion;
use Base64Url\Base64Url;
class TokenBinding
{
public const TOKEN_BINDING_STATUS_PRESENT = 'present';
public const TOKEN_BINDING_STATUS_SUPPORTED = 'supported';
public const TOKEN_BINDING_STATUS_NOT_SUPPORTED = 'not-supported';
private $status;
private $id;
public function __construct(string $status, ?string $id)
Assertion::false(self::TOKEN_BINDING_STATUS_PRESENT === $status && !$id, 'The member "id" is required when status is "present"');
$this->status = $status;
$this->id = $id;
}
public static function createFormArray(array $json): self
Assertion::keyExists($json, 'status', 'The member "status" is required');
$status = $json['status'];
$id = array_key_exists('id', $json) ? Base64Url::decode($json['id']) : null;
return new self($status, $id);
public function getStatus(): string
return $this->status;
public function getId(): ?string
return $this->id;
Spomky-Labs /
u2f-php
