platform/src/Core/Framework/Api/Acl/AclWriteValidator.php line 35

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  1. <?php declare(strict_types=1);
  3. namespace Shopware\Core\Framework\Api\Acl;
  5. use Shopware\Core\Framework\Api\Acl\Event\CommandAclValidationEvent;
  6. use Shopware\Core\Framework\Api\Acl\Role\AclRoleDefinition;
  7. use Shopware\Core\Framework\Api\Context\AdminApiSource;
  8. use Shopware\Core\Framework\Api\Context\AdminSalesChannelApiSource;
  9. use Shopware\Core\Framework\Api\Exception\MissingPrivilegeException;
  10. use Shopware\Core\Framework\Context;
  11. use Shopware\Core\Framework\DataAbstractionLayer\EntityTranslationDefinition;
  12. use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\WriteCommand;
  13. use Shopware\Core\Framework\DataAbstractionLayer\Write\Validation\PreWriteValidationEvent;
  14. use Shopware\Core\Framework\Uuid\Uuid;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
  18. class AclWriteValidator implements EventSubscriberInterface
  19. {
  20.     /**
  21.      * @var EventDispatcherInterface
  22.      */
  23.     private $eventDispatcher;
  25.     public function __construct(EventDispatcherInterface $eventDispatcher)
  26.     {
  27.         $this->eventDispatcher = $eventDispatcher;
  28.     }
  30.     public static function getSubscribedEvents()
  31.     {
  32.         return [PreWriteValidationEvent::class => 'preValidate'];
  33.     }
  35.     public function preValidate(PreWriteValidationEvent $event): void
  36.     {
  37.         $context = $event->getContext();
  38.         $source = $event->getContext()->getSource();
  39.         if ($source instanceof AdminSalesChannelApiSource) {
  40.             $context = $source->getOriginalContext();
  41.             $source = $context->getSource();
  42.         }
  44.         if ($context->getScope() === Context::SYSTEM_SCOPE || !$source instanceof AdminApiSource || $source->isAdmin()) {
  45.             return;
  46.         }
  48.         $commands = $event->getCommands();
  49.         $missingPrivileges = [];
  51.         foreach ($commands as $command) {
  52.             $resource = $command->getDefinition()->getEntityName();
  53.             $privilege = $command->getPrivilege();
  55.             if ($privilege === null) {
  56.                 continue;
  57.             }
  59.             if (is_subclass_of($command->getDefinition(), EntityTranslationDefinition::class)) {
  60.                 $resource = $command->getDefinition()->getParentDefinition()->getEntityName();
  62.                 if ($privilege !== AclRoleDefinition::PRIVILEGE_DELETE) {
  63.                     $privilege = $this->getPrivilegeForParentWriteOperation($command, $commands);
  64.                 }
  65.             }
  67.             if (!$source->isAllowed($resource . ':' . $privilege)) {
  68.                 $missingPrivileges[] = $resource . ':' . $privilege;
  69.             }
  71.             $event = new CommandAclValidationEvent($missingPrivileges, $source, $command);
  72.             $this->eventDispatcher->dispatch($event);
  73.             $missingPrivileges = $event->getMissingPrivileges();
  74.         }
  76.         $this->tryToThrow($missingPrivileges);
  77.     }
  79.     private function tryToThrow(array $missingPrivileges): void
  80.     {
  81.         if (!empty($missingPrivileges)) {
  82.             throw new MissingPrivilegeException($missingPrivileges);
  83.         }
  84.     }
  86.     /**
  87.      * @param WriteCommand[] $commands
  88.      */
  89.     private function getPrivilegeForParentWriteOperation(WriteCommand $command, array $commands): string
  90.     {
  91.         $pathSuffix = '/translations/' . Uuid::fromBytesToHex($command->getPrimaryKey()['language_id']);
  92.         $parentCommandPath = str_replace($pathSuffix, '', $command->getPath());
  93.         $parentCommand = $this->findCommandByPath($parentCommandPath, $commands);
  95.         // writes to translation need privilege from parent command
  96.         // if we update e.g. a product and add translations for a new language
  97.         // the writeCommand on the translation would be an insert
  98.         if ($parentCommand) {
  99.             return (string) $parentCommand->getPrivilege();
  100.         }
  102.         // if we don't have a parentCommand it must be a update,
  103.         // because the parentEntity must already exist
  104.         return AclRoleDefinition::PRIVILEGE_UPDATE;
  105.     }
  107.     /**
  108.      * @param WriteCommand[] $commands
  109.      */
  110.     private function findCommandByPath(string $commandPath, array $commands): ?WriteCommand
  111.     {
  112.         foreach ($commands as $command) {
  113.             if ($command->getPath() === $commandPath) {
  114.                 return $command;
  115.             }
  116.         }
  118.         return null;
  119.     }
  120. }