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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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declare(strict_types=1); |
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namespace Bluz\Session\Adapter; |
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use Bluz\Common\Exception\ComponentException; |
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use Bluz\Common\Exception\ConfigurationException; |
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/** |
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* Redis session handler |
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* |
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* @package Bluz\Session\Adapter |
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*/ |
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class Redis extends AbstractAdapter implements \SessionHandlerInterface |
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{ |
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/** |
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* @var array default Redis settings |
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*/ |
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protected $settings = [ |
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'host' => '127.0.0.1', |
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'port' => 6379, |
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'timeout' => 0, |
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'persistence' => false, |
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]; |
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/** |
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* Check and setup Redis server |
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* |
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* @param array $settings |
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* |
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* @throws ComponentException |
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* @throws ConfigurationException |
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*/ |
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public function __construct(array $settings = []) |
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{ |
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// check Redis extension |
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if (!extension_loaded('redis')) { |
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throw new ComponentException( |
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'Redis extension not installed/enabled. |
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Install and/or enable Redis extension [http://pecl.php.net/package/redis]. |
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See phpinfo() for more information' |
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); |
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} |
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// check Redis settings |
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if (!is_array($settings) || empty($settings)) { |
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throw new ConfigurationException( |
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'Redis configuration is missed. Please check `session` configuration section' |
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); |
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} |
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// Update settings |
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$this->settings = array_replace_recursive($this->settings, $settings); |
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} |
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/** |
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* Initialize session |
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* |
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* @param string $savePath |
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* @param string $sessionName |
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* |
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* @return bool |
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*/ |
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public function open($savePath, $sessionName): bool |
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{ |
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parent::open($savePath, $sessionName); |
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$this->handler = new \Redis(); |
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if ($this->settings['persistence']) { |
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$this->handler->pconnect($this->settings['host'], $this->settings['port'], $this->settings['timeout']); |
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} else { |
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$this->handler->connect($this->settings['host'], $this->settings['port'], $this->settings['timeout']); |
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} |
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if (isset($this->settings['options'])) { |
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foreach ($this->settings['options'] as $key => $value) { |
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$this->handler->setOption($key, $value); |
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} |
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} |
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return true; |
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} |
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/** |
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* Read session data |
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* |
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* @param string $id |
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* |
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* @return string |
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*/ |
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public function read($id): string |
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{ |
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return $this->handler->get($this->prepareId($id)) ?: ''; |
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} |
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/** |
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* Write session data |
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* |
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* @param string $id |
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* @param string $data |
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* |
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* @return bool |
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*/ |
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public function write($id, $data): bool |
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{ |
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return $this->handler->set($this->prepareId($id), $data, (int)$this->ttl); |
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} |
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/** |
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* Destroy a session |
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* |
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* @param integer $id |
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* |
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* @return bool |
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*/ |
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public function destroy($id): bool |
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{ |
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$this->handler->del($this->prepareId($id)); |
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return true; |
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} |
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} |
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bluzphp /
framework
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