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<?php |
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/** |
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* Class DBSessionHandler |
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* |
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* @filesource DBSessionHandler.php |
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* @created 06.03.2017 |
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* @package chillerlan\Session |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Session; |
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use chillerlan\Database\Database; |
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use chillerlan\Settings\SettingsContainerInterface; |
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use Psr\Log\LoggerInterface; |
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class DBSessionHandler extends SessionHandlerAbstract{ |
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/** |
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* @var \chillerlan\Database\Database |
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*/ |
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protected $db; |
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/** |
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* DBSessionHandler constructor. |
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* |
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* @param \chillerlan\Database\Database $db |
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* @param \chillerlan\Settings\SettingsContainerInterface $options |
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* @param \Psr\Log\LoggerInterface|null $logger |
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*/ |
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public function __construct(Database $db, SettingsContainerInterface $options = null, LoggerInterface $logger = null){ |
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parent::__construct($options, $logger); |
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$this->db = $db->connect(); |
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} |
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/** @inheritdoc */ |
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public function close():bool{ |
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return true; |
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} |
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/** @inheritdoc */ |
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public function destroy($session_id):bool{ |
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$this->db->delete |
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->from($this->options->db_table) |
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->where('id', $session_id) |
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->query(); |
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return true; |
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} |
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/** @inheritdoc */ |
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public function gc($maxlifetime):bool{ |
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$this->db->delete |
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->from($this->options->db_table) |
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->where('time', \time() - $maxlifetime, '<') |
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->query(); |
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return true; |
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} |
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/** @inheritdoc */ |
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public function open($save_path, $name):bool{ |
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return true; |
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} |
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/** |
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* @param string $session_id |
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* |
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* @return string |
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* @throws \chillerlan\Session\SessionHandlerException |
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*/ |
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public function read($session_id):string{ |
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if(empty($session_id)){ |
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throw new SessionHandlerException('invalid session id'); |
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} |
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$q = $this->db->select |
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->cols(['data']) |
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->from([$this->options->db_table]) |
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->where('id', $session_id) |
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->query(); |
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try{ |
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if(!$q || !isset($q[0])){ |
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return ''; |
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} |
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return $this->options->use_encryption ? $this->decrypt($q[0]->data) : $q[0]->data; |
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} |
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catch(\Exception $e){ |
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throw new SessionHandlerException($e->getMessage()); |
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} |
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} |
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/** |
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* @inheritdoc |
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* @throws \chillerlan\Session\SessionHandlerException |
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*/ |
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public function write($session_id, $session_data):bool{ |
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if(empty($session_id)){ |
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throw new SessionHandlerException('invalid session id'); |
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} |
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$q = $this->db->insert |
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->into($this->options->db_table, 'REPLACE', 'id') |
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->values([ |
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'id' => $session_id, |
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'time' => \time(), |
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'data' => $this->options->use_encryption ? $this->encrypt($session_data) : $session_data, |
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]) |
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->query(); |
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return (bool)$q; |
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} |
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} |
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chillerlan /
php-session
