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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\Middleware\Sessionware; |
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use Jgut\Middleware\Sessionware\Manager\Manager; |
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use League\Event\EmitterAwareInterface; |
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use League\Event\EmitterTrait; |
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use League\Event\Event; |
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/** |
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* Session helper. |
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*/ |
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class Session implements EmitterAwareInterface |
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{ |
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use EmitterTrait; |
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/** |
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* Session manager. |
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* |
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* @var Manager |
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*/ |
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protected $sessionManager; |
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/** |
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* Session data. |
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* |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* Session constructor. |
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* |
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* @param Manager $sessionManager |
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*/ |
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public function __construct(Manager $sessionManager) |
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{ |
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$this->sessionManager = $sessionManager; |
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} |
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/** |
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* Start session. |
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* |
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* @throws \RuntimeException |
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*/ |
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public function start() |
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{ |
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if ($this->isActive()) { |
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return; |
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} |
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$this->data = $this->sessionManager->sessionStart(); |
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if ($this->sessionManager->shouldRegenerateId()) { |
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$this->regenerateId(); |
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} |
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$this->manageTimeout(); |
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} |
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/** |
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* Regenerate session identifier keeping parameters. |
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* |
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* @throws \RuntimeException |
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* |
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* @SuppressWarnings(PMD.Superglobals) |
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*/ |
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public function regenerateId() |
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{ |
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if (!$this->isActive()) { |
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throw new \RuntimeException('Cannot regenerate a not started session'); |
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} |
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$this->sessionManager->sessionRegenerateId(); |
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} |
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/** |
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* Close session. |
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* |
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* @SuppressWarnings(PMD.Superglobals) |
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*/ |
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public function close() |
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{ |
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if (!$this->isActive()) { |
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return; |
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} |
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$this->sessionManager->sessionEnd($this->data); |
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} |
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/** |
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* Destroy session. |
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* |
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* @throws \RuntimeException |
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*/ |
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public function destroy() |
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{ |
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if (!$this->isActive()) { |
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throw new \RuntimeException('Cannot destroy a not started session'); |
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} |
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$this->sessionManager->sessionDestroy(); |
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$this->data = []; |
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} |
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/** |
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* Is there an active session. |
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* |
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* @return bool |
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*/ |
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public function isActive() : bool |
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{ |
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return $this->sessionManager->isSessionStarted(); |
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} |
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/** |
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* Get session identifier. |
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* |
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* @return string |
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*/ |
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public function getId() : string |
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{ |
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return $this->sessionManager->getSessionId(); |
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} |
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/** |
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* Session parameter existence. |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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public function has(string $key) : bool |
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{ |
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return array_key_exists($key, $this->data); |
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} |
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/** |
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* Retrieve session parameter. |
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* |
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* @param string $key |
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* @param mixed|null $default |
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* |
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* @return mixed |
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*/ |
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public function get(string $key, $default = null) |
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{ |
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return array_key_exists($key, $this->data) ? $this->data[$key] : $default; |
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} |
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/** |
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* Set session parameter. |
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* |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return static |
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*/ |
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public function set(string $key, $value) : self |
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{ |
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$this->data[$key] = $value; |
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return $this; |
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} |
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/** |
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* Remove session parameter. |
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* |
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* @param string $key |
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* |
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* @return static |
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*/ |
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public function remove(string $key) : self |
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{ |
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if (array_key_exists($key, $this->data)) { |
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unset($this->data[$key]); |
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} |
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return $this; |
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} |
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/** |
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* Remove all session parameters. |
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* |
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* @return static |
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*/ |
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public function clear() |
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{ |
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$this->data = []; |
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$this->setTimeout(); |
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return $this; |
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} |
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/** |
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* Get session timeout time. |
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* |
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* @return int |
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*/ |
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public function getTimeout() : int |
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{ |
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return $this->data[$this->getConfiguration()->getTimeoutKey()]; |
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} |
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/** |
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* Set session timeout time. |
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* |
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* @return static |
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*/ |
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protected function setTimeout() : self |
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{ |
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$this->data[$this->getConfiguration()->getTimeoutKey()] = time() + $this->getConfiguration()->getLifetime(); |
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return $this; |
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} |
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/** |
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* Manage session timeout. |
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* |
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* @throws \RuntimeException |
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*/ |
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protected function manageTimeout() |
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{ |
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$timeoutKey = $this->getConfiguration()->getTimeoutKey(); |
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if (array_key_exists($timeoutKey, $this->data) && $this->data[$timeoutKey] < time()) { |
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$this->emit(Event::named('pre.session_timeout'), session_id(), $this); |
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$this->sessionManager->sessionRegenerateId(); |
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$this->emit(Event::named('post.session_timeout'), session_id(), $this); |
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} |
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$this->setTimeout(); |
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} |
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/** |
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* Get session configuration. |
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* |
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* @return Configuration |
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*/ |
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protected function getConfiguration() : Configuration |
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{ |
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return $this->sessionManager->getConfiguration(); |
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} |
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} |
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