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-rw-r--r--synapse/handlers/federation.py20
-rw-r--r--synapse/handlers/message.py9
-rw-r--r--synapse/handlers/room.py5
3 files changed, 23 insertions, 11 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index a4b771049c..5adbe7b538 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1189,7 +1189,9 @@ class FederationHandler(BaseHandler):
 
         # The remote hasn't signed it yet, obviously. We'll do the full checks
         # when we get the event back in `on_send_join_request`
-        yield self.auth.check_from_context(event, context, do_sig_check=False)
+        yield self.auth.check_from_context(
+            room_version, event, context, do_sig_check=False,
+        )
 
         defer.returnValue(event)
 
@@ -1388,7 +1390,9 @@ class FederationHandler(BaseHandler):
         try:
             # The remote hasn't signed it yet, obviously. We'll do the full checks
             # when we get the event back in `on_send_leave_request`
-            yield self.auth.check_from_context(event, context, do_sig_check=False)
+            yield self.auth.check_from_context(
+                room_version, event, context, do_sig_check=False,
+            )
         except AuthError as e:
             logger.warn("Failed to create new leave %r because %s", event, e)
             raise e
@@ -1683,7 +1687,7 @@ class FederationHandler(BaseHandler):
                 auth_for_e[(EventTypes.Create, "")] = create_event
 
             try:
-                self.auth.check(e, auth_events=auth_for_e)
+                self.auth.check(room_version, e, auth_events=auth_for_e)
             except SynapseError as err:
                 # we may get SynapseErrors here as well as AuthErrors. For
                 # instance, there are a couple of (ancient) events in some
@@ -1927,6 +1931,8 @@ class FederationHandler(BaseHandler):
         current_state = set(e.event_id for e in auth_events.values())
         different_auth = event_auth_events - current_state
 
+        room_version = yield self.store.get_room_version(event.room_id)
+
         if different_auth and not event.internal_metadata.is_outlier():
             # Do auth conflict res.
             logger.info("Different auth: %s", different_auth)
@@ -1951,8 +1957,6 @@ class FederationHandler(BaseHandler):
                     (d.type, d.state_key): d for d in different_events if d
                 })
 
-                room_version = yield self.store.get_room_version(event.room_id)
-
                 new_state = yield self.state_handler.resolve_events(
                     room_version,
                     [list(local_view.values()), list(remote_view.values())],
@@ -2052,7 +2056,7 @@ class FederationHandler(BaseHandler):
                 )
 
         try:
-            self.auth.check(event, auth_events=auth_events)
+            self.auth.check(room_version, event, auth_events=auth_events)
         except AuthError as e:
             logger.warn("Failed auth resolution for %r because %s", event, e)
             raise e
@@ -2288,7 +2292,7 @@ class FederationHandler(BaseHandler):
             )
 
             try:
-                yield self.auth.check_from_context(event, context)
+                yield self.auth.check_from_context(room_version, event, context)
             except AuthError as e:
                 logger.warn("Denying new third party invite %r because %s", event, e)
                 raise e
@@ -2330,7 +2334,7 @@ class FederationHandler(BaseHandler):
         )
 
         try:
-            self.auth.check_from_context(event, context)
+            self.auth.check_from_context(room_version, event, context)
         except AuthError as e:
             logger.warn("Denying third party invite %r because %s", event, e)
             raise e
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 7aaa4fba33..67b364a6c3 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -22,7 +22,7 @@ from canonicaljson import encode_canonical_json, json
 from twisted.internet import defer
 from twisted.internet.defer import succeed
 
-from synapse.api.constants import MAX_DEPTH, EventTypes, Membership
+from synapse.api.constants import MAX_DEPTH, EventTypes, Membership, RoomVersions
 from synapse.api.errors import (
     AuthError,
     Codes,
@@ -611,8 +611,13 @@ class EventCreationHandler(object):
             extra_users (list(UserID)): Any extra users to notify about event
         """
 
+        if event.is_state() and (event.type, event.state_key) == (EventTypes.Create, ""):
+            room_version = event.content.get("room_version", RoomVersions.V1)
+        else:
+            room_version = yield self.store.get_room_version(event.room_id)
+
         try:
-            yield self.auth.check_from_context(event, context)
+            yield self.auth.check_from_context(room_version, event, context)
         except AuthError as err:
             logger.warn("Denying new event %r because %s", event, err)
             raise err
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 388302de09..13ba9291b0 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -123,7 +123,10 @@ class RoomCreationHandler(BaseHandler):
                     token_id=requester.access_token_id,
                 )
             )
-            yield self.auth.check_from_context(tombstone_event, tombstone_context)
+            old_room_version = yield self.store.get_room_version(old_room_id)
+            yield self.auth.check_from_context(
+                old_room_version, tombstone_event, tombstone_context,
+            )
 
             yield self.clone_existing_room(
                 requester,