public function isUserAuthenticated($auth_required = true)
{
// Cached Result... (if checked before, return the result)
if ($this->authentication != self::AUTH_UNKNOWN) {
return $this->authentication == self::AUTH_PASSED;
}
// Check Token Validity -- Avoid DB Overhead
if (self::isSessionIDValid($this->id)) {
$db = Database::getConnection();
$query = $db->query("SELECT user_id, update_timestamp, persistent FROM " . self::TABLE_NAME . " WHERE (id=:id) AND (expiry_timestamp > :now)", array(":id" => $this->id, ":now" => Carbon::now()));
} else {
if (!$auth_required) {
return false;
}
}
// Check Query Result (and that it was executed)
if (isset($query) && $query && $query->rowCount()) {
$db_row = $query->fetch(PDO::FETCH_ASSOC);
$this->user_id = $db_row['user_id'];
// only set here, force people to call this function first before being allowed to look at the ID
// We need to renew sessions on a regular basis in order for us to determine when sessions become inactive...
if (Carbon::parse($db_row['update_timestamp'])->diffInSeconds(Carbon::now()) > self::SESSION_RENEWAL_PERIOD_SECONDS) {
$this->create($db_row['user_id'], isTrue($db_row['persistent']));
}
// renew
$this->authentication = self::AUTH_PASSED;
return true;
} else {
if ($auth_required) {
// Determine the Current Target/Action
$request = RequestModel::currentRequest();
$router = RouteController::getController();
$route = $router->findRouteForURL($request->url());
// Add Query Params?
$url = $router->urlForAction($route->action(), $route->extractArgs($request->url()));
if (count($request->queryArgArray())) {
$url = addQueryParams($url, $request->queryArgArray());
}
// Request a Login
AppController::requestUserLogin($url);
// we need to extract and re-inject any args or we lose context...
} else {
$this->authentication = self::AUTH_FAILED;
return false;
}
}
}