[Cache] add SodiumMarshaller
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@ -26,6 +26,7 @@ CHANGELOG
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* removed support for phpredis 4 `compression`
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* [BC BREAK] `RedisTagAwareAdapter` is not compatible with `RedisCluster` from `Predis` anymore, use `phpredis` instead
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* Marked the `CacheDataCollector` class as `@final`.
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* added `SodiumMarshaller` to encrypt/decrypt values using libsodium
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4.3.0
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-----
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80
src/Symfony/Component/Cache/Marshaller/SodiumMarshaller.php
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80
src/Symfony/Component/Cache/Marshaller/SodiumMarshaller.php
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@ -0,0 +1,80 @@
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<?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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@ -0,0 +1,64 @@
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<?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\Tests\Marshaller;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
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use Symfony\Component\Cache\Marshaller\SodiumMarshaller;
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/**
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* @requires extension sodium
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*/
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class SodiumMarshallerTest extends TestCase
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{
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private $decryptionKey;
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protected function setUp(): void
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{
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$this->decryptionKey = sodium_crypto_box_keypair();
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}
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public function testMarshall()
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{
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$defaultMarshaller = new DefaultMarshaller();
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$sodiumMarshaller = new SodiumMarshaller([$this->decryptionKey], $defaultMarshaller);
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$values = ['a' => '123'];
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$failed = [];
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$defaultResult = $defaultMarshaller->marshall($values, $failed);
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$sodiumResult = $sodiumMarshaller->marshall($values, $failed);
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$sodiumResult['a'] = sodium_crypto_box_seal_open($sodiumResult['a'], $this->decryptionKey);
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$this->assertSame($defaultResult, $sodiumResult);
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}
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public function testUnmarshall()
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{
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$defaultMarshaller = new DefaultMarshaller();
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$sodiumMarshaller = new SodiumMarshaller([$this->decryptionKey], $defaultMarshaller);
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$values = ['a' => '123'];
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$failed = [];
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$sodiumResult = $sodiumMarshaller->marshall($values, $failed);
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$defaultResult = $defaultMarshaller->marshall($values, $failed);
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$this->assertSame($values['a'], $sodiumMarshaller->unmarshall($sodiumResult['a']));
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$this->assertSame($values['a'], $sodiumMarshaller->unmarshall($defaultResult['a']));
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$sodiumMarshaller = new SodiumMarshaller([sodium_crypto_box_keypair(), $this->decryptionKey], $defaultMarshaller);
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$this->assertSame($values['a'], $sodiumMarshaller->unmarshall($sodiumResult['a']));
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$this->assertSame($values['a'], $sodiumMarshaller->unmarshall($defaultResult['a']));
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}
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}
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