/**
* Checks if a node's type requires a redirect.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The event to process.
*/
public function purlCheckNodeContext(GetResponseEvent $event, $eventName, EventDispatcherInterface $dispatcher_interface)
{
$route_options = $this->routeMatch->getRouteObject()->getOptions();
$isAdminRoute = array_key_exists('_admin_route', $route_options) && $route_options['_admin_route'];
if (!$isAdminRoute && ($matched = $this->matchedModifiers->getMatched() && ($entity = $this->routeMatch->getParameter('node')))) {
$node_type = $this->entityStorage->load($entity->bundle());
$purl_settings = $node_type->getThirdPartySettings('purl');
if (!isset($purl_settings['keep_context']) || !$purl_settings['keep_context']) {
$url = \Drupal\Core\Url::fromRoute($this->routeMatch->getRouteName(), $this->routeMatch->getRawParameters()->all(), ['host' => Settings::get('purl_base_domain'), 'absolute' => TRUE]);
try {
$redirect_response = new TrustedRedirectResponse($url->toString());
$redirect_response->getCacheableMetadata()->setCacheMaxAge(0);
$modifiers = $event->getRequest()->attributes->get('purl.matched_modifiers', []);
$new_event = new ExitedContextEvent($event->getRequest(), $redirect_response, $this->routeMatch, $modifiers);
$dispatcher_interface->dispatch(PurlEvents::EXITED_CONTEXT, $new_event);
$event->setResponse($new_event->getResponse());
return;
} catch (RedirectLoopException $e) {
\Drupal::logger('redirect')->warning($e->getMessage());
$response = new Response();
$response->setStatusCode(503);
$response->setContent('Service unavailable');
$event->setResponse($response);
return;
}
}
}
}
public function onRequest(GetResponseEvent $event, $eventName, EventDispatcherInterface $dispatcher)
{
$request = $event->getRequest();
$modifiers = $this->getModifiers();
$matches = array();
foreach ($modifiers as $modifier) {
$provider = $modifier->getProvider();
$modifierKey = $modifier->getModifierKey();
$method = $modifier->getMethod();
if ($method->contains($request, $modifierKey)) {
$matches[$provider->getProviderId()] = array('method' => $method, 'modifier' => $modifierKey, 'provider_key' => $provider->getProviderId(), 'provider' => $modifier->getProvider(), 'value' => $modifier->getValue());
}
}
foreach ($matches as $match) {
if (!$match['method'] instanceof RequestAlteringInterface) {
continue;
}
$match['method']->alterRequest($request, $match['modifier']);
$this->reinitializeRequest($request);
}
foreach ($matches as $match) {
$event = new ModifierMatchedEvent($request, $match['provider_key'], $match['method'], $match['modifier'], $match['value']);
$dispatcher->dispatch(PurlEvents::MODIFIER_MATCHED, $event);
$this->matchedModifiers->add($event);
}
$request->attributes->set('purl.matched_modifiers', $matches);
}
public function processOutbound($path, &$options = array(), Request $request = NULL, BubbleableMetadata $bubbleable_metadata = NULL)
{
if (array_key_exists('purl_context', $options) && $options['purl_context'] == false) {
if (count($this->matchedModifiers->getMatched()) && $bubbleable_metadata) {
$cacheContexts = $bubbleable_metadata->getCacheContexts();
$cacheContexts[] = 'purl';
$bubbleable_metadata->setCacheContexts($cacheContexts);
}
return $this->contextHelper->processOutbound($this->matchedModifiers->createContexts(Context::EXIT_CONTEXT), $path, $options, $request, $bubbleable_metadata);
}
return $this->contextHelper->processOutbound($this->matchedModifiers->createContexts(), $path, $options, $request, $bubbleable_metadata);
}
/**
* @param string|\Symfony\Component\Routing\Route $name
* @param array $parameters
* @param array $options
* @param bool $collect_bubbleable_metadata
* @return \Drupal\Core\GeneratedUrl|string
*/
public function generateFromRoute($name, $parameters = array(), $options = array(), $collect_bubbleable_metadata = FALSE)
{
$hostOverride = null;
$originalHost = null;
$action = array_key_exists('purl_context', $options) && $options['purl_context'] == false ? Context::EXIT_CONTEXT : Context::ENTER_CONTEXT;
$this->contextHelper->preGenerate($this->matchedModifiers->createContexts($action), $name, $parameters, $options, $collect_bubbleable_metadata);
if (isset($options['host']) && strlen((string) $options['host']) > 0) {
$hostOverride = $options['host'];
$originalHost = $this->getContext()->getHost();
$this->getContext()->setHost($hostOverride);
}
$result = $this->urlGenerator->generateFromRoute($name, $parameters, $options, $collect_bubbleable_metadata);
// Reset the original host in request context.
if ($hostOverride) {
$this->getContext()->setHost($originalHost);
}
return $result;
}
