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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\PageBuilder\Model\Session;
use Magento\Framework\Math\Random;
use Magento\Framework\Session\SessionManagerInterface;
/**
* Generate random key and save it in current session
*
* @SuppressWarnings(PHPMD.CookieAndSessionMisuse)
*/
class RandomKey
{
/**
* Default key length to generate
*/
private const DEFAULT_KEY_LENGTH = 16;
/**
* Default key name
*/
private const DEFAULT_NAME = '_pb_config_cache_key_suffix';
/**
* @var Random
*/
private $random;
/**
* @var SessionManagerInterface
*/
private $session;
/**
* @var string
*/
private $keyName;
/**
* @var int
*/
private $keyLength;
/**
* @param Random $random
* @param SessionManagerInterface $session
* @param string $keyName
* @param int $keyLength
*/
public function __construct(
Random $random,
SessionManagerInterface $session,
string $keyName = self::DEFAULT_NAME,
int $keyLength = self::DEFAULT_KEY_LENGTH
) {
$this->random = $random;
$this->session = $session;
$this->keyName = $keyName;
$this->keyLength = $keyLength;
}
/**
* Retrieve generated random key from session
*
* @return string
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getValue(): string
{
$randomKey = $this->session->getData($this->keyName);
if (!$randomKey) {
$randomKey = $this->random->getRandomString($this->keyLength);
$this->session->setData($this->keyName, $randomKey);
}
return $randomKey;
}
}