public function LTIToolProviderController::ltiLaunch 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::ltiLaunch()

LTI launch.

Authenticates the user via the authentication.lti_tool_provider service, login that user, and then redirect the user to the appropriate page.

This controller requires that the authentication.lti_tool_provider service is attached to this route in lti_tool_provider.routing.yml.

Return value

RedirectResponse Redirect user to appropriate LTI url.

See also

\Drupal\lti_tool_provider\Authentication\Provider\LTIToolProvider

1 string reference to 'LTIToolProviderController::ltiLaunch'

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

lti_tool_provider.routing.yml

File

src/Controller/LTIToolProviderController.php, line 167

Class

LTIToolProviderController

Returns responses for lti_tool_provider module routes.

Namespace

Drupal\lti_tool_provider\Controller

Code

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