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<?php |
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namespace Jsq\CacheEncryption; |
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use Psr\Cache\CacheItemInterface; |
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abstract class ItemDecorator implements CacheItemInterface |
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{ |
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/** @var CacheItemInterface */ |
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private $decorated; |
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/** @var mixed */ |
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private $decrypted; |
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/** @var string */ |
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private $cipher; |
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333 |
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public function __construct(CacheItemInterface $decorated, $cipher) |
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{ |
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333 |
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$this->decorated = $decorated; |
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333 |
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$this->cipher = $cipher; |
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333 |
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} |
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228 |
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public function getKey() |
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{ |
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return $this->decorated->getKey(); |
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} |
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174 |
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public function get() |
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{ |
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if (empty($this->decrypted) && $this->isDecryptable()) { |
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$this->decrypted = $this->decrypt($this->decorated->get()); |
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} |
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return $this->decrypted; |
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} |
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294 |
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public function getDecorated() |
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{ |
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return $this->decorated; |
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} |
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public function set($value) |
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{ |
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$this->decorated->set($this->encrypt($value)); |
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$this->decrypted = $value; |
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return $this; |
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} |
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144 |
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public function isHit() |
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{ |
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return $this->decorated->isHit() |
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&& $this->isDecryptable(); |
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} |
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public function expiresAt($expiresAt) |
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{ |
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$this->decorated->expiresAt($expiresAt); |
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return $this; |
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} |
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public function expiresAfter($expiresAfter) |
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{ |
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$this->decorated->expiresAfter($expiresAfter); |
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return $this; |
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} |
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abstract protected function encrypt($data); |
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abstract protected function decrypt(EncryptedValue $data); |
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abstract protected function isDecryptable(); |
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protected function getCipherMethod() |
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{ |
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return $this->cipher; |
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} |
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protected function generateIv() |
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{ |
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return openssl_random_pseudo_bytes( |
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openssl_cipher_iv_length($this->cipher) |
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); |
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} |
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protected function encryptString($string, $key, $iv) |
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{ |
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return openssl_encrypt($string, $this->cipher, $key, 0, $iv); |
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} |
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132 |
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protected function decryptString($string, $method, $key, $iv) |
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{ |
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return openssl_decrypt($string, $method, $key, 0, $iv); |
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} |
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} |
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jeskew /
psr6-encrypting-decorator
