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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\JwtUserToken\Model\Config;
use Magento\Framework\Data\OptionSourceInterface;
use Magento\Framework\Jwt\Jwk;
/**
* JWT Algorithm options
*/
class JwtAlgorithmSource implements OptionSourceInterface
{
public const ALG_TYPE_JWS = 0;
public const ALG_TYPE_JWE = 1;
private const ALG_TYPE_NAME = [
self::ALG_TYPE_JWS => 'JWS',
self::ALG_TYPE_JWE => 'JWE'
];
private const ALGS = [
Jwk::ALGORITHM_HS256 => self::ALG_TYPE_JWS,
Jwk::ALGORITHM_HS384 => self::ALG_TYPE_JWS,
Jwk::ALGORITHM_HS512 => self::ALG_TYPE_JWS,
Jwk::ALGORITHM_A128KW => self::ALG_TYPE_JWE,
Jwk::ALGORITHM_A192KW => self::ALG_TYPE_JWE,
Jwk::ALGORITHM_A256KW => self::ALG_TYPE_JWE,
Jwk::ALGORITHM_A128GCMKW => self::ALG_TYPE_JWE,
Jwk::ALGORITHM_A192GCMKW => self::ALG_TYPE_JWE,
Jwk::ALGORITHM_A256GCMKW => self::ALG_TYPE_JWE,
];
/**
* @var array
*/
private $algs;
/**
* @param array $algs Additional algorithms.
*/
public function __construct(array $algs = [])
{
$this->algs = array_merge($algs, self::ALGS);
}
public function getAlgorithmType(string $alg): int
{
return $this->algs[$alg];
}
/**
* @inheritDoc
*/
public function toOptionArray()
{
$options = [];
foreach (array_keys($this->algs) as $algorithm) {
$options[] = [
'label' => __($algorithm . implode('', [' (', self::ALG_TYPE_NAME[$this->algs[$algorithm]], ')'])),
'value' => $algorithm
];
}
return $options;
}
}