Merge pull request #4494 from matrix-org/erikj/fixup_event_validator

Split up event validation between event and builder

2 files changed, 8 insertions, 3 deletions

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 5adbe7b538..adf59db7a8 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -2282,7 +2282,7 @@ class FederationHandler(BaseHandler):
             room_version = yield self.store.get_room_version(room_id)
             builder = self.event_builder_factory.new(room_version, event_dict)
 
-            EventValidator().validate_new(builder)
+            EventValidator().validate_builder(builder)
             event, context = yield self.event_creation_handler.create_new_client_event(
                 builder=builder
             )
@@ -2291,6 +2291,8 @@ class FederationHandler(BaseHandler):
                 room_version, event_dict, event, context
             )
 
+            EventValidator().validate_new(event)
+
             try:
                 yield self.auth.check_from_context(room_version, event, context)
             except AuthError as e:
@@ -2376,10 +2378,11 @@ class FederationHandler(BaseHandler):
             # auth check code will explode appropriately.
 
         builder = self.event_builder_factory.new(room_version, event_dict)
-        EventValidator().validate_new(builder)
+        EventValidator().validate_builder(builder)
         event, context = yield self.event_creation_handler.create_new_client_event(
             builder=builder,
         )
+        EventValidator().validate_new(event)
         defer.returnValue((event, context))
 
     @defer.inlineCallbacks
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 67b364a6c3..05d1370c18 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -288,7 +288,7 @@ class EventCreationHandler(object):
 
         builder = self.event_builder_factory.new(room_version, event_dict)
 
-        self.validator.validate_new(builder)
+        self.validator.validate_builder(builder)
 
         if builder.type == EventTypes.Member:
             membership = builder.content.get("membership", None)
@@ -326,6 +326,8 @@ class EventCreationHandler(object):
             prev_events_and_hashes=prev_events_and_hashes,
         )
 
+        self.validator.validate_new(event)
+
         defer.returnValue((event, context))
 
     def _is_exempt_from_privacy_policy(self, builder, requester):