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<?php |
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/** |
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* Pimf |
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* |
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* @copyright Copyright (c) Gjero Krsteski (http://krsteski.de) |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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namespace Pimf\Session\Storages; |
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use Pimf\Contracts\Cleanable; |
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/** |
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* @package Session_Storages |
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* @author Gjero Krsteski <[email protected]> |
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*/ |
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class Pdo extends Storage implements Cleanable |
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{ |
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/** |
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* @var \Pimf\Database |
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*/ |
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protected $pdo; |
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/** |
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* @param \Pimf\Database $pdo |
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*/ |
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public function __construct(\Pimf\Database $pdo) |
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{ |
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$this->pdo = $pdo; |
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} |
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/** |
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* Load a session from storage by a given ID. |
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* If no session is found for the ID, null will be returned. |
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* |
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* @param string $key |
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* |
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* @return array|null |
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*/ |
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public function load($key) |
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{ |
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try { |
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$sth = $this->pdo->prepare( |
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'SELECT * FROM sessions WHERE id = :id' |
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); |
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$sth->bindValue(':id', $key, \PDO::PARAM_INT); |
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$sth->execute(); |
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$session = $sth->fetchObject(); |
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if ($session instanceof \stdClass) { |
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return array( |
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'id' => $session->id, |
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'last_activity' => $session->last_activity, |
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'data' => unserialize($session->data) |
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); |
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} |
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return null; |
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} catch (\PDOException $pdoe) { |
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return null; |
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} |
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} |
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/** |
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* Save a given session to storage. |
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* |
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* @param array $session |
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* @param array $config |
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* @param bool $exists |
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*/ |
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public function save($session, $config, $exists) |
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{ |
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if ($exists) { |
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$sth = $this->pdo->prepare( |
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"INSERT INTO sessions (id, last_activity, data) VALUES (:id, :last_activity, :data)" |
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); |
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} else { |
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$sth = $this->pdo->prepare( |
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"UPDATE sessions SET last_activity = :last_activity, data = :data WHERE id = :id" |
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); |
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} |
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$sth->bindValue(':id', $session['id'], \PDO::PARAM_INT); |
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$sth->bindValue(':last_activity', $session['last_activity']); |
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$sth->bindValue(':data', serialize($session['data'])); |
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$sth->execute(); |
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} |
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/** |
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* Delete a session from storage by a given ID. |
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* |
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* @param string $key |
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*/ |
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public function delete($key) |
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{ |
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$sth = $this->pdo->prepare( |
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"DELETE FROM sessions WHERE id = :id" |
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); |
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$sth->bindValue(':id', $key, \PDO::PARAM_INT); |
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$sth->execute(); |
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} |
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/** |
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* Delete all expired sessions from persistent storage. |
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* |
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* @param int $expiration |
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* |
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* @return mixed|void |
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*/ |
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public function clean($expiration) |
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{ |
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$sth = $this->pdo->prepare( |
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"DELETE FROM sessions WHERE last_activity < :expiration" |
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); |
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$sth->bindValue(':expiration', $expiration); |
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$sth->execute(); |
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} |
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} |
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gjerokrsteski /
pimf-framework
