66 lines
1.5 KiB
PHP
66 lines
1.5 KiB
PHP
<?php
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/**
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* @package Joomla.Component.Builder
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*
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* @created 4th September, 2022
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* @author Llewellyn van der Merwe <https://dev.vdm.io>
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* @git Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
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* @copyright Copyright (C) 2015 Vast Development Method. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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namespace VDM\Joomla\Utilities;
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use VDM\Joomla\Utilities\StringHelper;
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/**
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* The Base64 Helper
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*
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* @since 3.2.0
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*/
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abstract class Base64Helper
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{
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/**
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* open base64 string if stored as base64 (in JCB)
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*
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* @param string|null $data The base64 string
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* @param string|null $key We store the string with that suffix :)
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* @param string|null $default The default switch
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*
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* @return string|null The opened string
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* @since 3.2.0
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*/
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public static function open(?string $data, ?string $key = '__.o0=base64=Oo.__', ?string $default = 'string'): ?string
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{
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// check that we have a string
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if (StringHelper::check($data))
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{
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// check if we have a key
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if (StringHelper::check($key))
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{
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if (strpos($data, $key) !== false)
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{
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return base64_decode(str_replace($key, '', $data));
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}
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}
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// fallback to this, not perfect method
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if (base64_encode(base64_decode($data, true)) === $data)
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{
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return base64_decode($data);
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}
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}
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// check if we should just return the string
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if ('string' === $default)
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{
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return $data;
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}
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return $default;
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}
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}
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