LDAPAccountManager/lam/lib/3rdParty/composer/spomky-labs/base64url/src/Base64Url.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;
}
}