Drupal 8 HTTP redirection from anywhere

drupalgoto.services.yml

services:
  drupalgoto.event_subscriber:
    class: Drupal\drupalgoto\EventSubscriber\EventSubscriber
    tags:
      - { name: event_subscriber }

EventSubscriber.php

<?php

namespace Drupal\drupalgoto\EventSubscriber;

use Drupal\drupalgoto\Exception\OverrideResponseException;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * Event subscriber.
 */
class EventSubscriber implements EventSubscriberInterface {

  /**
   * Exception event.
   */
  public function onKernelException(ExceptionEvent $event) {
    $throwable = $event->getThrowable();

    if ($throwable instanceof OverrideResponseException) {
      $event->setResponse($throwable->getResponse());
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    return [
      KernelEvents::EXCEPTION => ['onKernelException'],
    ];
  }

}

OverrideResponseException.php

<?php

namespace Drupal\drupalgoto\EventSubscriber;

use Symfony\Component\HttpFoundation\Response;

/**
 * Override response exception.
 */
class OverrideResponseException extends \RuntimeException {

  /**
   *
   */
  protected $response;

  /**
   * Construct instance.
   */
  public function __construct(Response $response = null, ?string $message = '', \Throwable $previous = null, int $code = 0) {
    $this->response = $response;
    parent::__construct($message, $code, $previous);
  }

  /**
   * Get response.
   */
  public function getResponse() {
    return $this->response;
  }

}

somewhere.php

<?php

use Drupal\Core\Routing\TrustedRedirectResponse;
use Drupal\drupalgoto\Exception\OverrideResponseException;

// Somewhere you want to make a redirection
$redirect = new TrustedRedirectResponse('https://...');
throw new OverrideResponseException($redirect);