<?php

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);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYyMTk0MDI2ODM0MzYyIDg0NzgzNzY3MzgzMDcwOTggNDE5OTU0ODg5ODMzMjI2Nw==