public static function check($action = '*', $subject = '*', $subject_id = 0)
{
if (!BACKEND_WITH_DATABASE) {
return true;
}
static $cache = array();
if (is_object($subject)) {
$subject = get_class($subject);
}
$key = serialize(array($action, $subject, $subject_id));
if (array_key_exists($key, $cache)) {
//return $cache[$key];
}
$roles = GateKeeper::permittedRoles($action, class_for_url($subject), $subject_id);
$user = BackendUser::check();
$user = !$user && !empty($_SESSION['BackendUser']) ? $_SESSION['BackendUser'] : $user;
if (!$user && !in_array('anonymous', $roles)) {
if (Controller::$debug) {
Backend::addNotice('Anonymous User');
}
$cache[$key] = true;
return true;
}
if ($subject != '*' && !Component::isActive(class_name($subject))) {
if (Controller::$debug) {
Backend::addNotice('Invalid Component: ' . class_name($subject));
}
$cache[$key] = false;
return false;
}
if (empty($user->roles)) {
if (Controller::$debug) {
Backend::addNotice('No User Roles');
}
$cache[$key] = false;
return false;
}
$intersect = is_array($roles) ? array_intersect($user->roles, $roles) : $user->roles;
if (Controller::$debug >= 2) {
Backend::addNotice('Valid roles found: ' . json_encode($intersect));
}
$result = count($intersect) ? true : false;
$cache[$key] = $result;
return $result;
}