public function LTIToolProviderController::ltiReturn in LTI Tool Provider 8

Same name and namespace in other branches

1. 2.x src/Controller/LTIToolProviderController.php \Drupal\lti_tool_provider\Controller\LTIToolProviderController::ltiReturn()

LTI return.

Logs the user out and returns the user to the LMS.

Return value

RedirectResponse Redirect user to appropriate return url.

1 string reference to 'LTIToolProviderController::ltiReturn'

lti_tool_provider.routing.yml in ./lti_tool_provider.routing.yml

lti_tool_provider.routing.yml

File

src/Controller/LTIToolProviderController.php, line 212

Class

LTIToolProviderController

Returns responses for lti_tool_provider module routes.

Namespace

Drupal\lti_tool_provider\Controller

Code

public function ltiReturn() {
  try {
    $destination = '/';
    if (empty($this->context)) {
      throw new Exception('LTI context missing in return request.');
    }
    if (!empty($this->destination)) {
      $destination = $this->destination;
    }
    if (isset($this->context['launch_presentation_return_url']) && !empty($this->context['launch_presentation_return_url'])) {
      $destination = $this->context['launch_presentation_return_url'];
    }
    $this->killSwitch
      ->trigger();
    $event = new LtiToolProviderReturnEvent($this->context, $destination);
    LtiToolProviderEvent::dispatchEvent($this->eventDispatcher, $event);
    if ($event
      ->isCancelled()) {
      throw new Exception($event
        ->getMessage());
    }
    $destination = $event
      ->getDestination();
    $this
      ->userLogout();
    return new TrustedRedirectResponse($destination);
  } catch (Exception $e) {
    $this->loggerFactory
      ->warning($e
      ->getMessage());
    return new RedirectResponse('/', 500);
  }
}