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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Encrypter; |
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use Defuse\Crypto\Crypto; |
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use Defuse\Crypto\Exception\CryptoException; |
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use Defuse\Crypto\Key; |
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use Spiral\Core\Container\InjectableInterface; |
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use Spiral\Encrypter\Exceptions\DecryptException; |
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use Spiral\Encrypter\Exceptions\EncryptException; |
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/** |
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* Default implementation of spiral encrypter. Sugary implementation at top of defuse/php-encryption |
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* |
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* @see https://github.com/defuse/php-encryption |
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*/ |
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class Encrypter implements EncrypterInterface, InjectableInterface |
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{ |
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/** |
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* Injector is dedicated to outer class since Encrypter is pretty simple. |
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*/ |
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const INJECTOR = EncrypterManager::class; |
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/** |
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* @var Key |
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*/ |
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private $key = null; |
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/** |
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* Encrypter constructor. |
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* |
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* @param string $key Loads a Key from its encoded form (ANSI). |
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*/ |
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public function __construct(string $key) |
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{ |
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$this->key = Key::loadFromAsciiSafeString($key); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function withKey(string $key): EncrypterInterface |
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{ |
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$encrypter = clone $this; |
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$encrypter->key = Key::loadFromAsciiSafeString($key); |
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return $encrypter; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getKey(): string |
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{ |
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return $this->key->saveToAsciiSafeString(); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Data encoded using json_encode method, only supported formats are allowed! |
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*/ |
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public function encrypt($data): string |
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{ |
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$packed = json_encode($data); |
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try { |
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return base64_encode(Crypto::Encrypt($packed, $this->key)); |
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} catch (CryptoException $e) { |
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throw new EncryptException($e->getMessage(), $e->getCode(), $e); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* json_decode with assoc flag set to true |
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*/ |
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public function decrypt(string $payload) |
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{ |
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try { |
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$result = Crypto::Decrypt( |
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base64_decode($payload), |
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$this->key |
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); |
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return json_decode($result, true); |
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} catch (CryptoException $e) { |
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throw new DecryptException($e->getMessage(), $e->getCode(), $e); |
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} |
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} |
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} |
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spiral /
framework
