Update and use Validation class

1 files changed, 3 insertions, 8 deletions

diff --git a/app/Http/RequestHandlers/MediaFileThumbnail.php b/app/Http/RequestHandlers/MediaFileThumbnail.php
index 11a3f41424..c321261a4c 100644
--- a/app/Http/RequestHandlers/MediaFileThumbnail.php
+++ b/app/Http/RequestHandlers/MediaFileThumbnail.php
@@ -20,14 +20,12 @@ declare(strict_types=1);
 namespace Fisharebest\Webtrees\Http\RequestHandlers;
 
 use Fig\Http\Message\StatusCodeInterface;
-use Fisharebest\Webtrees\Contracts\UserInterface;
 use Fisharebest\Webtrees\Registry;
-use Fisharebest\Webtrees\Tree;
+use Fisharebest\Webtrees\Validator;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
 
-use function assert;
 use function redirect;
 
 /**
@@ -44,11 +42,8 @@ class MediaFileThumbnail implements RequestHandlerInterface
      */
     public function handle(ServerRequestInterface $request): ResponseInterface
     {
-        $tree = $request->getAttribute('tree');
-        assert($tree instanceof Tree);
-
-        $user = $request->getAttribute('user');
-        assert($user instanceof UserInterface);
+        $tree = Validator::attributes($request)->tree();
+        $user = Validator::attributes($request)->user();
 
         $params  = $request->getQueryParams();
         $xref    = $params['xref'] ?? '';