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<?php
/**
* Session storage in the data store.
*
* @package SimpleSAMLphp
*/
class SimpleSAML_SessionHandlerStore extends SimpleSAML_SessionHandlerCookie
{
/**
* The data store we save the session to.
*
* @var SimpleSAML_Store
*/
private $store;
/**
* Initialize the session.
*
* @param SimpleSAML_Store $store The store to use.
*/
protected function __construct(SimpleSAML_Store $store)
{
parent::__construct();
$this->store = $store;
}
/**
* Load a session from the data store.
*
* @param string|null $sessionId The ID of the session we should load, or null to use the default.
*
* @return SimpleSAML_Session|null The session object, or null if it doesn't exist.
*/
public function loadSession($sessionId = null)
{
assert('is_string($sessionId) || is_null($sessionId)');
if ($sessionId === null) {
$sessionId = $this->getCookieSessionId();
if ($sessionId === null) {
// no session cookie, nothing to load
return null;
}
}
$session = $this->store->get('session', $sessionId);
if ($session !== null) {
assert('$session instanceof SimpleSAML_Session');
return $session;
}
return null;
}
/**
* Save a session to the data store.
*
* @param SimpleSAML_Session $session The session object we should save.
*/
public function saveSession(SimpleSAML_Session $session)
{
$sessionId = $session->getSessionId();
$config = SimpleSAML_Configuration::getInstance();
$sessionDuration = $config->getInteger('session.duration', 8 * 60 * 60);
$expire = time() + $sessionDuration;
$this->store->set('session', $sessionId, $session, $expire);
}
}
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