| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
/* |
| 6 |
* The MIT License (MIT) |
| 7 |
* |
| 8 |
* Copyright (c) 2014-2020 Spomky-Labs |
| 9 |
* |
| 10 |
* This software may be modified and distributed under the terms |
| 11 |
* of the MIT license. See the LICENSE file for details. |
| 12 |
*/ |
| 13 |
|
| 14 |
namespace WP_DEFENDER_VENDOR\Base64Url; |
| 15 |
|
| 16 |
use function base64_decode; |
| 17 |
use function base64_encode; |
| 18 |
use InvalidArgumentException; |
| 19 |
use function rtrim; |
| 20 |
use function strtr; |
| 21 |
|
| 22 |
/** |
| 23 |
* Encode and decode data into Base64 Url Safe. |
| 24 |
*/ |
| 25 |
final class Base64Url |
| 26 |
{ |
| 27 |
/** |
| 28 |
* @param string $data The data to encode |
| 29 |
* @param bool $usePadding If true, the "=" padding at end of the encoded value are kept, else it is removed |
| 30 |
* |
| 31 |
* @return string The data encoded |
| 32 |
*/ |
| 33 |
public static function encode(string $data, bool $usePadding = false): string |
| 34 |
{ |
| 35 |
$encoded = strtr(base64_encode($data), '+/', '-_'); |
| 36 |
|
| 37 |
return true === $usePadding ? $encoded : rtrim($encoded, '='); |
| 38 |
} |
| 39 |
|
| 40 |
/** |
| 41 |
* @param string $data The data to decode |
| 42 |
* |
| 43 |
* @throws InvalidArgumentException |
| 44 |
* |
| 45 |
* @return string The data decoded |
| 46 |
*/ |
| 47 |
public static function decode(string $data): string |
| 48 |
{ |
| 49 |
$decoded = base64_decode(strtr($data, '-_', '+/'), true); |
| 50 |
if (false === $decoded) { |
| 51 |
throw new InvalidArgumentException('Invalid data provided'); |
| 52 |
} |
| 53 |
|
| 54 |
return $decoded; |
| 55 |
} |
| 56 |
} |
| 57 |
|