Pluggable permissions (#5728)

* Data model draft

* Refactor query and assignment usages of old permissions

* Backend UI

* API serializer

* Big string replace

* Docs, tests and fixes for teams api

* Update docs for device auth

* Eliminate old names

* Make tests pass

* Use new permissions, remove inconsistencies

* Add test for translations

* Show plugin permissions

* Add permission for seating plans

* Fix plugin activation

* Fix failing test

* Refactor to permission groups

* Update doc/api/resources/devices.rst

Co-authored-by: luelista <weller@rami.io>

* Update doc/api/resources/events.rst

Co-authored-by: luelista <weller@rami.io>

* Update src/pretix/api/serializers/organizer.py

Co-authored-by: luelista <weller@rami.io>

* Fix typo

* Fix python version compat

* Replacement after rebase

* Add proper permission handling for exports

* Docs for exporters

* Runtime linting of permission names

* Fix typos

* Show export page even without orders permission

* More legacy compat

* Do not strongly validate before plugins are loaded

* Rebase migration

* Add permission for outgoing mails

* Review notes

* Update doc/api/resources/teams.rst

Co-authored-by: Richard Schreiber <schreiber@pretix.eu>

* Clean up logic around exporters

* Review and failures

* Fix migration leading to forbidden combination

* Handle permissions on event copying

* Remove print-statements

* Make test clearer

* Review feedback

* Add AnyPermissionOf

* migration safety

---------

Co-authored-by: luelista <weller@rami.io>
Co-authored-by: Richard Schreiber <schreiber@pretix.eu>

src/pretix/api/views/media.py

@@ -62,8 +62,8 @@ with scopes_disabled():
 class ReusableMediaViewSet(viewsets.ModelViewSet):
     serializer_class = ReusableMediaSerializer
     queryset = ReusableMedium.objects.none()
-    permission = 'can_manage_reusable_media'
-    write_permission = 'can_manage_reusable_media'
+    permission = 'organizer.reusablemedia:read'
+    write_permission = 'organizer.reusablemedia:write'
     filter_backends = (DjangoFilterBackend, OrderingFilter)
     ordering = ('-updated', '-id')
     ordering_fields = ('created', 'updated', 'identifier', 'type', 'id')
@@ -95,6 +95,8 @@ class ReusableMediaViewSet(viewsets.ModelViewSet):
     def get_serializer_context(self):
         ctx = super().get_serializer_context()
         ctx['organizer'] = self.request.organizer
+        ctx['can_read_giftcards'] = 'organizer.giftcards:read' in self.request.orgapermset
+        ctx['can_read_customers'] = 'organizer.customers:read' in self.request.orgapermset
         return ctx
 
     @transaction.atomic()