<?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\TokenBinding;
use function array_key_exists;
use Assert\Assertion;
use Base64Url\Base64Url;
use function Safe\sprintf;
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';
/**
* @var string
*/
private $status;
/**
* @var string|null
*/
private $id;
public function __construct(string $status, ?string $id)
{
Assertion::false(self::TOKEN_BINDING_STATUS_PRESENT === $status && null === $id, 'The member "id" is required when status is "present"');
$this->status = $status;
$this->id = $id;
}
/**
* @param mixed[] $json
*/
public static function createFormArray(array $json): self
{
Assertion::keyExists($json, 'status', 'The member "status" is required');
$status = $json['status'];
Assertion::inArray(
$status,
self::getSupportedStatus(),
sprintf('The member "status" is invalid. Supported values are: %s', implode(', ', self::getSupportedStatus()))
);
$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;
}
/**
* @return string[]
*/
private static function getSupportedStatus(): array
{
return [
self::TOKEN_BINDING_STATUS_PRESENT,
self::TOKEN_BINDING_STATUS_SUPPORTED,
self::TOKEN_BINDING_STATUS_NOT_SUPPORTED,
];
}
}