custom/plugins/PickwareWms/src/WmsAppVersionValidation/WmsAppVersionValidationSubscriber.php line 42

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  1. <?php
  2. /*
  3.  * Copyright (c) Pickware GmbH. All rights reserved.
  4.  * This file is part of software that is released under a proprietary license.
  5.  * You must not copy, modify, distribute, make publicly available, or execute
  6.  * its contents or parts thereof without express permission by the copyright
  7.  * holder, unless otherwise permitted by law.
  8.  */
  10. declare(strict_types=1);
  12. namespace Pickware\PickwareWms\WmsAppVersionValidation;
  14. use Pickware\HttpUtils\JsonApi\JsonApiError;
  15. use Pickware\ShopwareExtensionsBundle\Context\ContextExtension;
  16. use Shopware\Core\Framework\Context;
  17. use Shopware\Core\Framework\Routing\KernelListenerPriorities;
  18. use Shopware\Core\PlatformRequest;
  19. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  20. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  21. use Symfony\Component\HttpKernel\KernelEvents;
  23. class WmsAppVersionValidationSubscriber implements EventSubscriberInterface
  24. {
  25.     private string $requiredMinimumAppVersion;
  27.     public function __construct(string $requiredMinimumAppVersion)
  28.     {
  29.         $this->requiredMinimumAppVersion = $requiredMinimumAppVersion;
  30.     }
  32.     public static function getSubscribedEvents(): array
  33.     {
  34.         return [
  35.             KernelEvents::CONTROLLER => [
  36.                 'validateAppVersion',
  37.                 KernelListenerPriorities::KERNEL_CONTROLLER_EVENT_CONTEXT_RESOLVE_POST,
  38.             ],
  39.         ];
  40.     }
  42.     public function validateAppVersion(ControllerEvent $event): void
  43.     {
  44.         $userAgentString = $event->getRequest()->headers->get('user-agent');
  45.         if ($userAgentString === null) {
  46.             return;
  47.         }
  49.         // Expected string format: "WMS/1.8.4 (com.pickware.wms; build:202305151616; iOS 16.5.0) Alamofire/5.6.3"
  50.         // Since all requests are caught, we need to make sure that the request was sent by the WMS app
  51.         $pattern = '|^WMS/(\\d+\\.\\d+\\.\\d+)|';
  52.         if (!preg_match($pattern, $userAgentString, $matches)) {
  53.             return;
  54.         }
  56.         // We allow the app to authenticate first because otherwise the app might obfuscate the provided error.
  57.         /** @var Context $context */
  58.         $context = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_CONTEXT_OBJECT);
  59.         if (!$context || !ContextExtension::hasUser($context)) {
  60.             return;
  61.         }
  63.         $receivedAppVersion = $matches[1];
  64.         if (version_compare($receivedAppVersion, $this->requiredMinimumAppVersion, '<')) {
  65.             $apiError = new JsonApiError([
  66.                 'status' => 400,
  67.                 'code' => 'PICKWARE_WMS__USER_AGENT_VALIDATION__OUTDATED_APP_VERSION',
  68.                 'title' => 'Your app version is outdated',
  69.                 'detail' => 'This shop requires a newer version of the app. Please update your app through the App Store.',
  70.             ]);
  72.             $event->setController(fn () => $apiError->toJsonApiErrorResponse());
  73.         }
  74.     }
  75. }