/**
* Determines if redirect may be performed.
*
* @param Request $request
* The current request object.
* @param string $route_name
* The current route name.
*
* @return bool
* TRUE if redirect may be performed.
*/
public function canRedirect(Request $request, $route_name = NULL)
{
$can_redirect = TRUE;
if (isset($route_name)) {
$route = $this->routeProvider->getRouteByName($route_name);
if ($this->config->get('access_check')) {
// Do not redirect if is a protected page.
$can_redirect = $this->accessManager->checkNamedRoute($route_name, [], $this->account);
}
} else {
$route = $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT);
}
if (strpos($request->getScriptName(), 'index.php') === FALSE) {
// Do not redirect if the root script is not /index.php.
$can_redirect = FALSE;
} elseif (!($request->isMethod('GET') || $request->isMethod('HEAD'))) {
// Do not redirect if this is other than GET request.
$can_redirect = FALSE;
} elseif ($this->state->get('system.maintenance_mode') || defined('MAINTENANCE_MODE')) {
// Do not redirect in offline or maintenance mode.
$can_redirect = FALSE;
} elseif ($this->config->get('ignore_admin_path') && isset($route)) {
// Do not redirect on admin paths.
$can_redirect &= !(bool) $route->getOption('_admin_route');
}
return $can_redirect;
}