core: make filefields readonly

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/api/pagination.py

@@ -68,7 +68,7 @@ class Pagination(pagination.PageNumberPagination):
                         "total_pages",
                         "start_index",
                         "end_index",
-                    ]
+                    ],
                 },
                 "results": schema,
             },

authentik/core/api/applications.py

@@ -58,6 +58,9 @@ class ApplicationSerializer(ModelSerializer):
             "meta_publisher",
             "policy_engine_mode",
         ]
+        extra_kwargs = {
+            "meta_icon": {"read_only": True},
+        }
 
 
 class ApplicationViewSet(ModelViewSet):

authentik/flows/api/flows.py

@@ -61,6 +61,9 @@ class FlowSerializer(ModelSerializer):
             "cache_count",
             "policy_engine_mode",
         ]
+        extra_kwargs = {
+            "background": {"read_only": True},
+        }
 
 
 class FlowDiagramSerializer(Serializer):