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79da71ecf8
* symfony 5.4 (diff dev) * symfony 5.4 (working) * symfony 5.4 (update autoload) * symfony 5.4 (remove swiftmailer mailer implementation) * symfony 5.4 (php doc and split Global accessor class) ### Impacted packages: composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies
81 lines
2.3 KiB
PHP
81 lines
2.3 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Cache\Marshaller;
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use Symfony\Component\Cache\Exception\CacheException;
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use Symfony\Component\Cache\Exception\InvalidArgumentException;
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/**
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* Encrypt/decrypt values using Libsodium.
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*
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* @author Ahmed TAILOULOUTE <ahmed.tailouloute@gmail.com>
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*/
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class SodiumMarshaller implements MarshallerInterface
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{
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private $marshaller;
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private $decryptionKeys;
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/**
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* @param string[] $decryptionKeys The key at index "0" is required and is used to decrypt and encrypt values;
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* more rotating keys can be provided to decrypt values;
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* each key must be generated using sodium_crypto_box_keypair()
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*/
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public function __construct(array $decryptionKeys, MarshallerInterface $marshaller = null)
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{
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if (!self::isSupported()) {
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throw new CacheException('The "sodium" PHP extension is not loaded.');
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}
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if (!isset($decryptionKeys[0])) {
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throw new InvalidArgumentException('At least one decryption key must be provided at index "0".');
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}
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$this->marshaller = $marshaller ?? new DefaultMarshaller();
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$this->decryptionKeys = $decryptionKeys;
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}
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public static function isSupported(): bool
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{
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return \function_exists('sodium_crypto_box_seal');
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}
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/**
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* {@inheritdoc}
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*/
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public function marshall(array $values, ?array &$failed): array
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{
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$encryptionKey = sodium_crypto_box_publickey($this->decryptionKeys[0]);
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$encryptedValues = [];
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foreach ($this->marshaller->marshall($values, $failed) as $k => $v) {
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$encryptedValues[$k] = sodium_crypto_box_seal($v, $encryptionKey);
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}
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return $encryptedValues;
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}
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/**
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* {@inheritdoc}
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*/
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public function unmarshall(string $value)
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{
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foreach ($this->decryptionKeys as $k) {
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if (false !== $decryptedValue = @sodium_crypto_box_seal_open($value, $k)) {
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$value = $decryptedValue;
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break;
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}
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}
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return $this->marshaller->unmarshall($value);
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}
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}
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