fix question edit permissions

generic/views.py

@@ -3625,9 +3625,22 @@ class UpdateQuestionMixin(RedirectMixin, RevisionMixin, UpdateView):
     def get_form_kwargs(self):
         kwargs = super().get_form_kwargs()
         kwargs.update({"user": self.request.user})
+
         return kwargs
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context["question"] = context["object"]
-        return context
+
+        # Do permission checks here
+
+        obj = context["object"]
+        if (
+            self.request.user.groups.filter(name="long_checker").exists()
+            or self.request.user.is_superuser
+        ):
+            return context
+        if self.request.user in obj.get_author_objects():
+            return context
+        raise PermissionDenied()  # or Http404
+