LetsEncrypt\Helper\Base64SafeEncoder

Complexity

Total Complexity

4

Size/Duplication

Total Lines	20
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	encode()	0	3	1
A	decode()	0	8	2
A	hashEncode()	0	3	1

<?php

declare(strict_types=1);

/*
 * This file is part of the LetsEncrypt ACME client.
 *
 * @author    Ivanov Aleksandr <misantron@gmail.com>
 * @copyright 2019-2020
 * @license   https://github.com/misantron/letsencrypt-client/blob/master/LICENSE MIT License
 */

namespace LetsEncrypt\Helper;

final class Base64SafeEncoder
{
    public function encode(string $input): string
    {
        return str_replace('=', '', strtr(base64_encode($input), '+/', '-_'));
    }

    public function decode(string $input): string
    {
        $remainder = strlen($input) % 4;
        if ($remainder) {
            $input .= str_repeat('=', 4 - $remainder);
        }

        return base64_decode(strtr($input, '-_', '+/'));
    }

    public function hashEncode(string $payload): string
    {
        return $this->encode(hash('sha256', $payload, true));
    }
}