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<?php |
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/* |
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* sessionware (https://github.com/juliangut/sessionware). |
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* PSR7 session management middleware. |
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* |
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* @license BSD-3-Clause |
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* @link https://github.com/juliangut/sessionware |
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* @author Julián Gutiérrez <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Jgut\Sessionware\Handler; |
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use Defuse\Crypto\Core; |
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use Defuse\Crypto\Crypto; |
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use Jgut\Sessionware\Configuration; |
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/** |
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* Session handler utility trait. |
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*/ |
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trait HandlerTrait |
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{ |
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/** |
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* @var Configuration |
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*/ |
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protected $configuration; |
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/** |
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* Set configuration. |
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* |
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* @param Configuration $configuration |
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* |
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* @return static |
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*/ |
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public function setConfiguration(Configuration $configuration) |
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{ |
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$this->configuration = $configuration; |
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return $this; |
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} |
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/** |
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* Checks if configuration is set. |
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* |
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* @throws \RuntimeException |
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*/ |
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protected function testConfiguration() |
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{ |
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if ($this->configuration === null) { |
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throw new \RuntimeException('Configuration must be set prior to use'); |
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} |
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} |
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/** |
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* Encrypt session data based on configuration encryption key. |
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* |
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* @param string $plainData |
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* |
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* @return string |
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*/ |
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protected function encryptSessionData(string $plainData) : string |
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{ |
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if (!$this->configuration->getEncryptionKey()) { |
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return $plainData; |
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} |
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$encryptionKey = str_pad($this->configuration->getEncryptionKey(), 32, '='); |
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return Crypto::encryptWithPassword($plainData, $encryptionKey); |
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} |
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/** |
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* Decrypt session data based on configuration encryption key. |
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* |
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* @param string $encryptedData |
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* |
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* @return string |
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*/ |
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protected function decryptSessionData(string $encryptedData) : string |
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{ |
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if (!$this->configuration->getEncryptionKey()) { |
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return $encryptedData; |
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} |
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$encryptionKey = str_pad($this->configuration->getEncryptionKey(), 32, '='); |
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return Crypto::decryptWithPassword($encryptedData, $encryptionKey); |
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} |
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} |
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juliangut /
sessionware
