Merge branch 'rav/simplify_event_auth_interface' into develop

1 files changed, 3 insertions, 20 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 294217cc23..9b17939163 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -42,7 +42,7 @@ from synapse.api.errors import (
     SynapseError,
     UnsupportedRoomVersionError,
 )
-from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersions
+from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
 from synapse.api.urls import ConsentURIBuilder
 from synapse.event_auth import validate_event_for_room_version
 from synapse.events import EventBase, relation_from_event
@@ -1274,23 +1274,6 @@ class EventCreationHandler:
                 )
                 return prev_event
 
-        if event.is_state() and (event.type, event.state_key) == (
-            EventTypes.Create,
-            "",
-        ):
-            room_version_id = event.content.get(
-                "room_version", RoomVersions.V1.identifier
-            )
-            maybe_room_version_obj = KNOWN_ROOM_VERSIONS.get(room_version_id)
-            if not maybe_room_version_obj:
-                raise UnsupportedRoomVersionError(
-                    "Attempt to create a room with unsupported room version %s"
-                    % (room_version_id,)
-                )
-            room_version_obj = maybe_room_version_obj
-        else:
-            room_version_obj = await self.store.get_room_version(event.room_id)
-
         if event.internal_metadata.is_out_of_band_membership():
             # the only sort of out-of-band-membership events we expect to see here are
             # invite rejections and rescinded knocks that we have generated ourselves.
@@ -1298,9 +1281,9 @@ class EventCreationHandler:
             assert event.content["membership"] == Membership.LEAVE
         else:
             try:
-                validate_event_for_room_version(room_version_obj, event)
+                validate_event_for_room_version(event)
                 await self._event_auth_handler.check_auth_rules_from_context(
-                    room_version_obj, event, context
+                    event, context
                 )
             except AuthError as err:
                 logger.warning("Denying new event %r because %s", event, err)