function ensure_active_session()
{
if (is_password_protection_enabled()) {
if (isset($_SESSION['session_start'])) {
if (!is_active_session()) {
$_SESSION['session_expired'] = TRUE;
header('Location:lockscreen.php');
}
} else {
header('Location:lockscreen.php');
}
}
}
if (!is_password_protection_enabled()) {
header('Location:index.php');
}
if (count($_POST) > 0) {
if (isset($_POST['password'])) {
$hash = hash('sha512', $_POST['password']);
$password_hash = load_password_hash();
if ($hash == $password_hash) {
$_SESSION['session_start'] = time();
} else {
$invalid_password = true;
}
}
}
if (isset($_SESSION['session_start'])) {
if (is_active_session()) {
header('Location:index.php');
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>NoTrack Lockscreen</title>
<!-- Tell the browser to be responsive to screen width -->
<meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
<!-- Bootstrap 3.3.6 -->
