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