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Directory : /var/www/vhosts/lautnusantara.com/httpdocs/web/system/Encryption/Handlers/ |
<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Encryption\Handlers;
use CodeIgniter\Encryption\EncrypterInterface;
use Config\Encryption;
use Psr\Log\LoggerInterface;
/**
* Base class for encryption handling
*/
abstract class BaseHandler implements EncrypterInterface
{
/**
* Logger instance to record error messages and warnings.
*
* @var LoggerInterface
*/
protected $logger;
/**
* Constructor
*/
public function __construct(?Encryption $config = null)
{
$config ??= config('Encryption');
// make the parameters conveniently accessible
foreach (get_object_vars($config) as $key => $value) {
if (property_exists($this, $key)) {
$this->{$key} = $value;
}
}
}
/**
* Byte-safe substr()
*
* @param string $str
* @param int $start
* @param int $length
*
* @return string
*/
protected static function substr($str, $start, $length = null)
{
return mb_substr($str, $start, $length, '8bit');
}
/**
* __get() magic, providing readonly access to some of our properties
*
* @param string $key Property name
*
* @return mixed
*/
public function __get($key)
{
if ($this->__isset($key)) {
return $this->{$key};
}
return null;
}
/**
* __isset() magic, providing checking for some of our properties
*
* @param string $key Property name
*/
public function __isset($key): bool
{
return property_exists($this, $key);
}
}