New answers tagged redirection
1
With the help from @4k4 I found a solution.
I created an event subscriber that extends the HttpExceptionSubscriberBase class. There I created the redirect like this:
public function on404(GetResponseForExceptionEvent $event) {
$response = new TrustedRedirectResponse('https://google.com', 307);
$event->setResponse($response);
}
0
The correct way to set a redirection after a form is submitted, in Drupal 8, is following these steps.
Implement hook_form_alter() or hook_form_FORM_ID_alter() to add a form submission handler to the form
On the form submission handler, use FormState::setRedirect(), which require a route name, or FormState::setRedirectUrl(), which requires a \Drupal\Core\...
1
Routes are not only defined in yaml files, but also dynamically in route subscribers.
Drupal\views\EventSubscriber\RouteSubscriber collects routes from all views displays which implement DisplayRouterInterface::collectRoutes, like the Page display:
PathPluginBase::collectRoutes:
public function collectRoutes(RouteCollection $collection) {
$view_id = ...
0
Concerning CDNs or Varnish you need to ask in a different place. In Drupal you find two caches for requests/responses:
The Internal Page Cache, which is implemented in a kernel middleware, and you need to define a middleware with a higher priority to handle the uncached request.
The Dynamic Page Cache, which is implemented in a kernel request subscriber, ...
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