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<?php |
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namespace Jsq\Cache\IronEncryption; |
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use Doctrine\Common\Cache\Cache; |
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use Jsq\Cache\EncryptionStatsTrait; |
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use Iron; |
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use Iron\PasswordInterface; |
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use Iron\Token; |
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use Throwable; |
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class Decorator implements Cache |
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{ |
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use EncryptionStatsTrait; |
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/** @var Cache */ |
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private $decorated; |
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/** @var Iron\Iron */ |
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private $iron; |
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/** @var PasswordInterface */ |
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private $password; |
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public function __construct( |
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Cache $decorated, |
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$password, |
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$cipher = Iron\Iron::DEFAULT_ENCRYPTION_METHOD |
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) { |
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if (!class_exists(Iron\Iron::class)) { |
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// @codeCoverageIgnoreStart |
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throw new \RuntimeException('You must install' |
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. ' jsq/iron-php to use the Iron decorator.'); |
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// @codeCoverageIgnoreEnd |
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} |
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$this->decorated = $decorated; |
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$this->password = Iron\normalize_password($password); |
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$this->iron = new Iron\Iron($cipher); |
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} |
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public function fetch($id) |
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{ |
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try { |
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return $this->returnHit($this->callAndTime(function () use ($id) { |
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return json_decode($this->iron->decryptToken( |
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Token::fromSealed( |
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$this->password, |
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$this->decorated->fetch($id) |
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), |
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$this->password |
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), true); |
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})); |
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} catch (Throwable $e) { |
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return $this->returnMiss(false); |
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} |
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} |
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public function contains($id) |
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{ |
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try { |
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Token::fromSealed( |
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$this->password, |
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$this->decorated->fetch($id) |
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); |
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return true; |
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} catch (Throwable $e) { |
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return false; |
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} |
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} |
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public function save($id, $data, $ttl = 0) |
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{ |
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return $this->decorated->save( |
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$id, |
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(string) $this->callAndTime(function () use ($data, $ttl) { |
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return $this->iron |
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->encrypt($this->password, json_encode($data), $ttl); |
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}), |
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$ttl |
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); |
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} |
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public function delete($id) |
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{ |
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return $this->decorated->delete($id); |
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} |
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public function getStats() |
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{ |
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return $this->getEncryptionStats($this->decorated->getStats() ?: []); |
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} |
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} |
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jeskew /
doctrine-cache-encrypter
