formatting

src/pretix/api/views/checkin.py

@@ -1122,7 +1122,7 @@ class CheckinViewSet(viewsets.ReadOnlyModelViewSet):
     permission = 'event.orders:read'
 
     def get_queryset(self):
-        qs = Checkin.all.filter(list__event=self.request.event).select_related(
+        qs = Checkin.all.filter().select_related(
             "position",
             "device",
         )

src/pretix/base/middleware.py

@@ -24,7 +24,6 @@ from urllib.parse import urlparse, urlsplit
 from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 from django.conf import settings
-from django.core.exceptions import BadRequest
 from django.http import Http404, HttpRequest, HttpResponse
 from django.middleware.common import CommonMiddleware
 from django.urls import get_script_prefix, resolve
@@ -347,15 +346,6 @@ class SecurityMiddleware(MiddlewareMixin):
 
         return resp
 
-    def process_request(self, request):
-        # Nullbytes in GET/POST parameters are mostly harmless, as they will later fail on database insertion, but it
-        # keeps spamming our error logs whenever someone tries to run a vulnerability scanner.
-        if "\x00" in request.META['QUERY_STRING'] or "%00" in request.META['QUERY_STRING']:
-            raise BadRequest("Invalid characters in input.")
-        if request.method in ('POST', 'PUT', 'PATCH') and request.POST:
-            if any("\x00" in value for key, value_list in request.POST.lists() for value in value_list):
-                raise BadRequest("Invalid characters in input.")
-
 
 class CustomCommonMiddleware(CommonMiddleware):