WIP try with explicit scan in CacheEntryInsertedEvent

lib/AppInfo/Application.php

@@ -8,6 +8,7 @@
 use OCA\GDataVaas\AvirWrapper;
 use OCA\GDataVaas\CacheEntryListener;
 use OCA\GDataVaas\Db\DbFileMapper;
+use OCA\GDataVaas\Listener\CacheEntryInsertedListener;
 use OCA\GDataVaas\Service\MailService;
 use OCA\GDataVaas\Service\TagService;
 use OCA\GDataVaas\Service\VerdictService;
@@ -20,6 +21,7 @@
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\Collaboration\Resources\LoadAdditionalScriptsEvent;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Files\Cache\CacheEntryInsertedEvent;
 use OCP\Files\IHomeStorage;
 use OCP\Files\Storage\IStorage;
 use OCP\IAppConfig;
@@ -46,7 +48,8 @@ public function __construct() {
 		$eventDispatcher->addListener(LoadAdditionalScriptsEvent::class, function () {
 			Util::addScript(self::APP_ID, 'gdatavaas-files-action');
 		});
-	}
+        //$eventDispatcher->addServiceListener(CacheEntryInsertedEvent::class, CacheEntryInsertedListener::class);
+    }
 
 	/**
 	 * Load the composer autoloader if it exists

lib/Listener/CacheEntryInsertedListener.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace OCA\GDataVaas\Listener;
+
+use Exception;
+use OCA\GDataVaas\Service\VerdictService;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Files\Cache\CacheEntryInsertedEvent;
+use OCP\Files\EntityTooLargeException;
+use OCP\Files\NotFoundException;
+use OCP\Files\NotPermittedException;
+use Psr\Log\LoggerInterface;
+use VaasSdk\Exceptions\FileDoesNotExistException;
+use VaasSdk\Exceptions\InvalidSha256Exception;
+use VaasSdk\Exceptions\TimeoutException;
+use VaasSdk\Exceptions\UploadFailedException;
+use VaasSdk\Exceptions\VaasAuthenticationException;
+
+class CacheEntryInsertedListener implements IEventListener
+{
+    private readonly LoggerInterface $logger;
+    private VerdictService $verdictService;
+
+    public function __construct(LoggerInterface $logger, VerdictService $verdictService)
+    {
+        $this->logger = $logger;
+        $this->verdictService = $verdictService;
+    }
+
+    public function handle(Event $event): void
+    {
+        if (!($event instanceof CacheEntryInsertedEvent)) {
+            return;
+        }
+
+        $this->logger->info('Cache entry inserted: ' . $event->getPath());
+
+        $fileId = $event->getFileId();
+        try {
+            $verdict = $this->verdictService->scanFileById($fileId);
+            // Delete file if malicious
+        } catch (EntityTooLargeException|NotFoundException|NotPermittedException|FileDoesNotExistException|InvalidSha256Exception|TimeoutException|UploadFailedException|VaasAuthenticationException $e) {
+            $this->logger->error($e->getMessage());
+        } catch (Exception $e) {
+            $this->logger->error('An unexpected error occurred while scanning file ' . $fileId . ' with GData VaaS. Please check the logs for more information and contact your administrator: ' . $e->getMessage());
+        }
+    }
+}