KleijnWeb\JwtBundle\Jwt\SignatureValidator\HmacValidator

Complexity

Total Complexity

2

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	isValid()	0	4	1

<?php declare(strict_types = 1);
/*
 * This file is part of the KleijnWeb\JwtBundle package.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace KleijnWeb\JwtBundle\Jwt\SignatureValidator;

/**
 * @author John Kleijn <john@kleijnweb.nl>
 */
class HmacValidator implements SignatureValidator
{
    const SHA256 = 'sha256';
    const SHA512 = 'sha512';

    /**
     * @var string
     */
    private $hashAlgorithm;

    /**
     * @param string $hashAlgorithm
     */
    public function __construct($hashAlgorithm = self::SHA256)
    {
        $this->hashAlgorithm = $hashAlgorithm;
    }

    /**
     * @param string $payload
     * @param string $secret
     * @param string $signature
     *
     * @return bool
     */
    public function isValid($payload, $secret, $signature)
    {
        return $signature === hash_hmac($this->hashAlgorithm, $payload, $secret, true);
    }
}