51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014-2018 Spomky-Labs
|
||
|
|
*
|
||
|
|
* This software may be modified and distributed under the terms
|
||
|
|
* of the MIT license. See the LICENSE file for details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Base64Url;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Encode and decode data into Base64 Url Safe.
|
||
|
|
*/
|
||
|
|
final class Base64Url
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @param string $data The data to encode
|
||
|
|
* @param bool $usePadding If true, the "=" padding at end of the encoded value are kept, else it is removed
|
||
|
|
*
|
||
|
|
* @return string The data encoded
|
||
|
|
*/
|
||
|
|
public static function encode(string $data, bool $usePadding = false): string
|
||
|
|
{
|
||
|
|
$encoded = \strtr(\base64_encode($data), '+/', '-_');
|
||
|
|
|
||
|
|
return true === $usePadding ? $encoded : \rtrim($encoded, '=');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $data The data to decode
|
||
|
|
*
|
||
|
|
* @throws \InvalidArgumentException
|
||
|
|
*
|
||
|
|
* @return string The data decoded
|
||
|
|
*/
|
||
|
|
public static function decode(string $data): string
|
||
|
|
{
|
||
|
|
$decoded = \base64_decode(\strtr($data, '-_', '+/'), true);
|
||
|
|
if ($decoded === false) {
|
||
|
|
throw new \InvalidArgumentException('Invalid data provided');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $decoded;
|
||
|
|
}
|
||
|
|
}
|