FM / Marshaller

/usr/share/php/Symfony/Component/Cache/Marshaller/

/usr/share/php/Symfony/Component/Cache/Marshaller

Name	Size	Mode	Actions
DefaultMarshaller.php	3750	0644	edit dl rm
DeflateMarshaller.php	1237	0644	edit dl rm
MarshallerInterface.php	1081	0644	edit dl rm
SodiumMarshaller.php	2397	0644	edit dl rm
TagAwareMarshaller.php	3107	0644	edit dl rm

Edit: /usr/share/php/Symfony/Component/Cache/Marshaller/SodiumMarshaller.php (2397B)

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Cache\Marshaller;

use Symfony\Component\Cache\Exception\CacheException;
use Symfony\Component\Cache\Exception\InvalidArgumentException;

/**
 * Encrypt/decrypt values using Libsodium.
 *
 * @author Ahmed TAILOULOUTE <ahmed.tailouloute@gmail.com>
 */
class SodiumMarshaller implements MarshallerInterface
{
    private $marshaller;
    private $decryptionKeys;

/**
     * @param string[] $decryptionKeys The key at index "0" is required and is used to decrypt and encrypt values;
     *                                 more rotating keys can be provided to decrypt values;
     *                                 each key must be generated using sodium_crypto_box_keypair()
     */
    public function __construct(array $decryptionKeys, MarshallerInterface $marshaller = null)
    {
        if (!self::isSupported()) {
            throw new CacheException('The "sodium" PHP extension is not loaded.');
        }

if (!isset($decryptionKeys[0])) {
            throw new InvalidArgumentException('At least one decryption key must be provided at index "0".');
        }

$this->marshaller = $marshaller ?? new DefaultMarshaller();
        $this->decryptionKeys = $decryptionKeys;
    }

public static function isSupported(): bool
    {
        return \function_exists('sodium_crypto_box_seal');
    }

/**
     * {@inheritdoc}
     */
    public function marshall(array $values, ?array &$failed): array
    {
        $encryptionKey = sodium_crypto_box_publickey($this->decryptionKeys[0]);

$encryptedValues = [];
        foreach ($this->marshaller->marshall($values, $failed) as $k => $v) {
            $encryptedValues[$k] = sodium_crypto_box_seal($v, $encryptionKey);
        }

return $encryptedValues;
    }

/**
     * {@inheritdoc}
     */
    public function unmarshall(string $value)
    {
        foreach ($this->decryptionKeys as $k) {
            if (false !== $decryptedValue = @sodium_crypto_box_seal_open($value, $k)) {
                $value = $decryptedValue;
                break;
            }
        }

return $this->marshaller->unmarshall($value);
    }
}

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