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<?php declare(strict_types=1);
namespace Shopware\Storefront\Framework\Routing;
use Shopware\Core\Checkout\Cart\Exception\CustomerNotLoggedInException;
use Shopware\Core\Checkout\Customer\Event\CustomerLoginEvent;
use Shopware\Core\Content\Seo\HreflangLoaderInterface;
use Shopware\Core\Content\Seo\HreflangLoaderParameter;
use Shopware\Core\Framework\Event\BeforeSendResponseEvent;
use Shopware\Core\Framework\Routing\KernelListenerPriorities;
use Shopware\Core\Framework\Util\Random;
use Shopware\Core\PlatformRequest;
use Shopware\Core\SalesChannelRequest;
use Shopware\Core\System\SalesChannel\Context\SalesChannelContextServiceInterface;
use Shopware\Storefront\Controller\ErrorController;
use Shopware\Storefront\Event\StorefrontRenderEvent;
use Shopware\Storefront\Framework\Csrf\CsrfPlaceholderHandler;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Event\ControllerEvent;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Routing\RouterInterface;
class StorefrontSubscriber implements EventSubscriberInterface
{
/**
* @var RequestStack
*/
private $requestStack;
/**
* @var RouterInterface
*/
private $router;
/**
* @var ErrorController
*/
private $errorController;
/**
* @var SalesChannelContextServiceInterface
*/
private $contextService;
/**
* @var bool
*/
private $kernelDebug;
/**
* @var CsrfPlaceholderHandler
*/
private $csrfPlaceholderHandler;
/**
* @var MaintenanceModeResolver
*/
private $maintenanceModeResolver;
/**
* @var HreflangLoaderInterface
*/
private $hreflangLoader;
public function __construct(
RequestStack $requestStack,
RouterInterface $router,
ErrorController $errorController,
SalesChannelContextServiceInterface $contextService,
CsrfPlaceholderHandler $csrfPlaceholderHandler,
HreflangLoaderInterface $hreflangLoader,
bool $kernelDebug,
MaintenanceModeResolver $maintenanceModeResolver
) {
$this->requestStack = $requestStack;
$this->router = $router;
$this->errorController = $errorController;
$this->contextService = $contextService;
$this->kernelDebug = $kernelDebug;
$this->csrfPlaceholderHandler = $csrfPlaceholderHandler;
$this->maintenanceModeResolver = $maintenanceModeResolver;
$this->hreflangLoader = $hreflangLoader;
}
public static function getSubscribedEvents(): array
{
return [
KernelEvents::REQUEST => [
['startSession', 40],
['maintenanceResolver'],
],
KernelEvents::EXCEPTION => [
['showHtmlExceptionResponse', -100],
['customerNotLoggedInHandler'],
['maintenanceResolver'],
],
KernelEvents::CONTROLLER => [
['preventPageLoadingFromXmlHttpRequest', KernelListenerPriorities::KERNEL_CONTROLLER_EVENT_SCOPE_VALIDATE],
],
CustomerLoginEvent::class => [
'updateSession',
],
BeforeSendResponseEvent::class => [
['replaceCsrfToken'],
['setCanonicalUrl'],
],
StorefrontRenderEvent::class => [
['addHreflang'],
],
];
}
public function startSession(): void
{
$master = $this->requestStack->getMasterRequest();
if (!$master) {
return;
}
if (!$master->attributes->get(SalesChannelRequest::ATTRIBUTE_IS_SALES_CHANNEL_REQUEST)) {
return;
}
if (!$master->hasSession()) {
return;
}
$session = $master->getSession();
$applicationId = $master->attributes->get(PlatformRequest::ATTRIBUTE_OAUTH_CLIENT_ID);
if (!$session->isStarted()) {
$session->setName('session-' . $applicationId);
$session->start();
$session->set('sessionId', $session->getId());
}
if (!$session->has(PlatformRequest::HEADER_CONTEXT_TOKEN)) {
$token = Random::getAlphanumericString(32);
$session->set(PlatformRequest::HEADER_CONTEXT_TOKEN, $token);
}
$master->headers->set(
PlatformRequest::HEADER_CONTEXT_TOKEN,
$session->get(PlatformRequest::HEADER_CONTEXT_TOKEN)
);
}
public function updateSession(CustomerLoginEvent $event): void
{
$master = $this->requestStack->getMasterRequest();
if (!$master) {
return;
}
if (!$master->attributes->get(SalesChannelRequest::ATTRIBUTE_IS_SALES_CHANNEL_REQUEST)) {
return;
}
if (!$master->hasSession()) {
return;
}
$session = $master->getSession();
$session->migrate();
$session->set('sessionId', $session->getId());
$token = $event->getContextToken();
$session->set(PlatformRequest::HEADER_CONTEXT_TOKEN, $token);
$master->headers->set(PlatformRequest::HEADER_CONTEXT_TOKEN, $token);
}
public function showHtmlExceptionResponse(ExceptionEvent $event): void
{
if ($this->kernelDebug) {
return;
}
if (!$event->getRequest()->attributes->has(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT)) {
//When no saleschannel context is resolved, we need to resolve it now.
$this->setSalesChannelContext($event);
}
if ($event->getRequest()->attributes->has(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT)) {
$event->stopPropagation();
$response = $this->errorController->error(
$event->getThrowable(),
$this->requestStack->getMasterRequest(),
$event->getRequest()->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT)
);
$event->setResponse($response);
}
}
public function customerNotLoggedInHandler(ExceptionEvent $event): void
{
if (!$event->getRequest()->attributes->has(SalesChannelRequest::ATTRIBUTE_IS_SALES_CHANNEL_REQUEST)) {
return;
}
if (!$event->getThrowable() instanceof CustomerNotLoggedInException) {
return;
}
$request = $event->getRequest();
$parameters = [
'redirectTo' => $request->attributes->get('_route'),
'redirectParameters' => json_encode($request->attributes->get('_route_params')),
];
$redirectResponse = new RedirectResponse($this->router->generate('frontend.account.login.page', $parameters));
$event->setResponse($redirectResponse);
}
public function maintenanceResolver(RequestEvent $event): void
{
if ($this->maintenanceModeResolver->shouldRedirect($event->getRequest())) {
$event->setResponse(
new RedirectResponse($this->router->generate('frontend.maintenance.page'))
);
}
}
public function preventPageLoadingFromXmlHttpRequest(ControllerEvent $event): void
{
if (!$event->getRequest()->isXmlHttpRequest()) {
return;
}
if (!$event->getRequest()->attributes->has(SalesChannelRequest::ATTRIBUTE_IS_SALES_CHANNEL_REQUEST)) {
return;
}
$controller = $event->getController();
// happens if Controller is a closure
if (!is_array($controller)) {
return;
}
$isAllowed = $event->getRequest()->attributes->getBoolean('XmlHttpRequest', false);
if ($isAllowed) {
return;
}
throw new AccessDeniedHttpException('PageController can\'t be requested via XmlHttpRequest.');
}
public function setCanonicalUrl(BeforeSendResponseEvent $event): void
{
if (!$event->getResponse()->isSuccessful()) {
return;
}
if ($canonical = $event->getRequest()->attributes->get(SalesChannelRequest::ATTRIBUTE_CANONICAL_LINK)) {
$canonical = sprintf('<%s>; rel="canonical"', $canonical);
$event->getResponse()->headers->set('Link', $canonical);
}
}
public function replaceCsrfToken(BeforeSendResponseEvent $event): void
{
$event->setResponse(
$this->csrfPlaceholderHandler->replaceCsrfToken($event->getResponse())
);
}
public function addHreflang(StorefrontRenderEvent $event): void
{
$request = $event->getRequest();
$route = $request->attributes->get('_route');
if ($route === null) {
return;
}
$routeParams = $request->attributes->get('_route_params', []);
$salesChannelContext = $request->attributes->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT);
$parameter = new HreflangLoaderParameter($route, $routeParams, $salesChannelContext);
$event->setParameter('hrefLang', $this->hreflangLoader->load($parameter));
}
private function setSalesChannelContext(ExceptionEvent $event): void
{
$contextToken = $event->getRequest()->headers->get(PlatformRequest::HEADER_CONTEXT_TOKEN);
$salesChannelId = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID);
$context = $this->contextService->get(
$salesChannelId,
$contextToken,
$event->getRequest()->headers->get(PlatformRequest::HEADER_LANGUAGE_ID)
);
$event->getRequest()->attributes->set(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT, $context);
}
}

vendor/shopware/storefront/Framework/Routing/StorefrontSubscriber.php line 255