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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\Checkout\Customer\Event\CustomerLogoutEvent;
use Shopware\Core\Content\Seo\HreflangLoaderInterface;
use Shopware\Core\Content\Seo\HreflangLoaderParameter;
use Shopware\Core\Framework\App\ActiveAppsLoader;
use Shopware\Core\Framework\App\Exception\AppUrlChangeDetectedException;
use Shopware\Core\Framework\App\ShopId\ShopIdProvider;
use Shopware\Core\Framework\Event\BeforeSendResponseEvent;
use Shopware\Core\Framework\Routing\Annotation\RouteScope;
use Shopware\Core\Framework\Routing\Event\SalesChannelContextResolvedEvent;
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\Core\System\SalesChannel\Context\SalesChannelContextServiceParameters;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Shopware\Core\System\SystemConfig\SystemConfigService;
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\HttpFoundation\Session\SessionInterface;
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;
/**
* @var ShopIdProvider
*/
private $shopIdProvider;
/**
* @var ActiveAppsLoader
*/
private $activeAppsLoader;
/**
* @var SystemConfigService
*/
private $systemConfigService;
public function __construct(
RequestStack $requestStack,
RouterInterface $router,
ErrorController $errorController,
SalesChannelContextServiceInterface $contextService,
CsrfPlaceholderHandler $csrfPlaceholderHandler,
HreflangLoaderInterface $hreflangLoader,
bool $kernelDebug,
MaintenanceModeResolver $maintenanceModeResolver,
ShopIdProvider $shopIdProvider,
ActiveAppsLoader $activeAppsLoader,
SystemConfigService $systemConfigService
) {
$this->requestStack = $requestStack;
$this->router = $router;
$this->errorController = $errorController;
$this->contextService = $contextService;
$this->kernelDebug = $kernelDebug;
$this->csrfPlaceholderHandler = $csrfPlaceholderHandler;
$this->maintenanceModeResolver = $maintenanceModeResolver;
$this->hreflangLoader = $hreflangLoader;
$this->shopIdProvider = $shopIdProvider;
$this->activeAppsLoader = $activeAppsLoader;
$this->systemConfigService = $systemConfigService;
}
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 => [
'updateSessionAfterLogin',
],
CustomerLogoutEvent::class => [
'updateSessionAfterLogout',
],
BeforeSendResponseEvent::class => [
['replaceCsrfToken'],
['setCanonicalUrl'],
],
StorefrontRenderEvent::class => [
['addHreflang'],
['addShopIdParameter'],
],
SalesChannelContextResolvedEvent::class => [
['replaceContextToken'],
],
];
}
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());
}
$salesChannelId = $master->attributes->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID);
if ($salesChannelId === null) {
/** @var SalesChannelContext|null $salesChannelContext */
$salesChannelContext = $master->attributes->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT);
if ($salesChannelContext !== null) {
$salesChannelId = $salesChannelContext->getSalesChannel()->getId();
}
}
if ($this->shouldRenewToken($session, $salesChannelId)) {
$token = Random::getAlphanumericString(32);
$session->set(PlatformRequest::HEADER_CONTEXT_TOKEN, $token);
$session->set(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID, $salesChannelId);
}
$master->headers->set(
PlatformRequest::HEADER_CONTEXT_TOKEN,
$session->get(PlatformRequest::HEADER_CONTEXT_TOKEN)
);
}
public function updateSessionAfterLogin(CustomerLoginEvent $event): void
{
$token = $event->getContextToken();
$this->updateSession($token);
}
public function updateSessionAfterLogout(): void
{
$newToken = Random::getAlphanumericString(32);
$this->updateSession($newToken, true);
}
public function updateSession(string $token, bool $destroyOldSession = false): 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();
$session->migrate($destroyOldSession);
$session->set('sessionId', $session->getId());
$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'),
RedirectResponse::HTTP_TEMPORARY_REDIRECT
)
);
}
}
public function preventPageLoadingFromXmlHttpRequest(ControllerEvent $event): void
{
if (!$event->getRequest()->isXmlHttpRequest()) {
return;
}
/** @var RouteScope $scope */
$scope = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_ROUTE_SCOPE, new RouteScope(['scopes' => []]));
if (!$scope->hasScope(StorefrontRouteScope::ID)) {
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.');
}
// used to switch session token - when the context token expired
public function replaceContextToken(SalesChannelContextResolvedEvent $event): void
{
$context = $event->getSalesChannelContext();
// only update session if token expired and switched
if ($event->getUsedToken() === $context->getToken()) {
return;
}
$this->updateSession($context->getToken());
}
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(), $event->getRequest())
);
}
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));
}
public function addShopIdParameter(StorefrontRenderEvent $event): void
{
if (!$this->activeAppsLoader->getActiveApps()) {
return;
}
try {
$shopId = $this->shopIdProvider->getShopId();
} catch (AppUrlChangeDetectedException $e) {
return;
}
$event->setParameter('appShopId', $shopId);
}
private function setSalesChannelContext(ExceptionEvent $event): void
{
$contextToken = (string) $event->getRequest()->headers->get(PlatformRequest::HEADER_CONTEXT_TOKEN);
$salesChannelId = (string) $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID);
$context = $this->contextService->get(
new SalesChannelContextServiceParameters(
$salesChannelId,
$contextToken,
$event->getRequest()->headers->get(PlatformRequest::HEADER_LANGUAGE_ID),
$event->getRequest()->attributes->get(SalesChannelRequest::ATTRIBUTE_DOMAIN_CURRENCY_ID),
$event->getRequest()->attributes->get(SalesChannelRequest::ATTRIBUTE_DOMAIN_ID)
)
);
$event->getRequest()->attributes->set(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_CONTEXT_OBJECT, $context);
}
private function shouldRenewToken(SessionInterface $session, ?string $salesChannelId = null): bool
{
if (!$session->has(PlatformRequest::HEADER_CONTEXT_TOKEN) || $salesChannelId === null) {
return true;
}
if ($this->systemConfigService->get('core.systemWideLoginRegistration.isCustomerBoundToSalesChannel')) {
return $session->get(PlatformRequest::ATTRIBUTE_SALES_CHANNEL_ID) !== $salesChannelId;
}
return false;
}
}

vendor/shopware/platform/src/Storefront/Framework/Routing/StorefrontSubscriber.php line 334