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<?php |
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/** |
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* Encrypt/decrypt with encryptionKey. |
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* |
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* @author Alex Bilbie <[email protected]> |
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* @copyright Copyright (c) Alex Bilbie |
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* @license http://mit-license.org/ |
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* |
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* @link https://github.com/thephpleague/oauth2-server |
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*/ |
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namespace League\OAuth2\Server; |
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use Defuse\Crypto\Crypto; |
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use Defuse\Crypto\Key; |
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use Exception; |
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use LogicException; |
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trait CryptTrait |
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{ |
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/** |
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* @var string|Key|null |
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*/ |
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protected $encryptionKey; |
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/** |
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* Encrypt data with encryptionKey. |
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* |
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* @param string $unencryptedData |
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* |
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* @throws LogicException |
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* |
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* @return string |
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*/ |
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protected function encrypt($unencryptedData) |
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{ |
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try { |
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if ($this->encryptionKey instanceof Key) { |
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return Crypto::encrypt($unencryptedData, $this->encryptionKey); |
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} |
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if (is_string($this->encryptionKey)) { |
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return Crypto::encryptWithPassword($unencryptedData, $this->encryptionKey); |
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} |
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throw new LogicException('Encryption key not set when attempting to encrypt'); |
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} catch (Exception $e) { |
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throw new LogicException($e->getMessage(), 0, $e); |
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} |
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} |
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/** |
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* Decrypt data with encryptionKey. |
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* |
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* @param string $encryptedData |
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* |
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* @throws LogicException |
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* |
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* @return string |
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*/ |
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protected function decrypt($encryptedData) |
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{ |
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try { |
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if ($this->encryptionKey instanceof Key) { |
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return Crypto::decrypt($encryptedData, $this->encryptionKey); |
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} |
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if (is_string($this->encryptionKey)) { |
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return Crypto::decryptWithPassword($encryptedData, $this->encryptionKey); |
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} |
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throw new LogicException('Encryption key not set when attempting to decrypt'); |
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} catch (Exception $e) { |
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throw new LogicException($e->getMessage(), 0, $e); |
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} |
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} |
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/** |
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* Set the encryption key |
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* |
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* @param string|Key $key |
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*/ |
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public function setEncryptionKey($key = null) |
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{ |
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$this->encryptionKey = $key; |
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} |
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} |
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