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<?php
MainFactory::load_class('AdminHttpViewController');
class SessionTimeoutAjaxController extends AdminHttpViewController
{
public function actionDefault()
{
$sessionMaxLifetime = @(int)ini_get('session.gc_maxlifetime');
$serverSetting = $sessionMaxLifetime !== 0 ? $sessionMaxLifetime : 1440;
$userSetting = (int)SESSION_TIMEOUT * 60;
if(array_key_exists('last_activity', $_SESSION)
&& $_SERVER['REQUEST_TIME'] - $_SESSION['last_activity'] > $userSetting
)
{
session_unset();
session_destroy();
return MainFactory::create('JsonHttpControllerResponse', ['logout' => true]);
}
if($serverSetting < $userSetting)
{
$x = $userSetting;
$y = $serverSetting;
while($y !== 0)
{
$tmp = $x % $y;
$x = $y;
$y = $tmp;
}
if($x === $serverSetting)
{
$timeout = ($x - .5) * 1000;
}
else
{
$timeout = ($x + .5) * 1000;
}
}
else
{
$timeout = ($userSetting + .5) * 1000;
}
return MainFactory::create('JsonHttpControllerResponse',
['data' => [(int)$timeout, $_SESSION['last_activity']]]);
}
}