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-rw-r--r--synapse/handlers/directory.py7
-rw-r--r--synapse/handlers/federation.py18
-rw-r--r--synapse/handlers/room.py10
-rw-r--r--synapse/handlers/room_member.py20
-rw-r--r--synapse/rest/client/v1/admin.py4
-rw-r--r--synapse/rest/client/v1/room.py16
-rw-r--r--synapse/server.py5
7 files changed, 42 insertions, 38 deletions
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index a0464ae5c0..8580ada60a 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -34,6 +34,7 @@ class DirectoryHandler(BaseHandler):
 
         self.state = hs.get_state_handler()
         self.appservice_handler = hs.get_application_service_handler()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
         self.federation = hs.get_replication_layer()
         self.federation.register_query_handler(
@@ -249,8 +250,7 @@ class DirectoryHandler(BaseHandler):
     def send_room_alias_update_event(self, requester, user_id, room_id):
         aliases = yield self.store.get_aliases_for_room(room_id)
 
-        msg_handler = self.hs.get_handlers().message_handler
-        yield msg_handler.create_and_send_nonmember_event(
+        yield self.event_creation_handler.create_and_send_nonmember_event(
             requester,
             {
                 "type": EventTypes.Aliases,
@@ -272,8 +272,7 @@ class DirectoryHandler(BaseHandler):
         if not alias_event or alias_event.content.get("alias", "") != alias_str:
             return
 
-        msg_handler = self.hs.get_handlers().message_handler
-        yield msg_handler.create_and_send_nonmember_event(
+        yield self.event_creation_handler.create_and_send_nonmember_event(
             requester,
             {
                 "type": EventTypes.CanonicalAlias,
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 8ee9434c9b..e6b9f5cf53 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -75,6 +75,7 @@ class FederationHandler(BaseHandler):
         self.is_mine_id = hs.is_mine_id
         self.pusher_pool = hs.get_pusherpool()
         self.spam_checker = hs.get_spam_checker()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
         self.replication_layer.set_handler(self)
 
@@ -1007,8 +1008,7 @@ class FederationHandler(BaseHandler):
         })
 
         try:
-            message_handler = self.hs.get_handlers().message_handler
-            event, context = yield message_handler._create_new_client_event(
+            event, context = yield self.event_creation_handler._create_new_client_event(
                 builder=builder,
             )
         except AuthError as e:
@@ -1248,8 +1248,7 @@ class FederationHandler(BaseHandler):
             "state_key": user_id,
         })
 
-        message_handler = self.hs.get_handlers().message_handler
-        event, context = yield message_handler._create_new_client_event(
+        event, context = yield self.event_creation_handler._create_new_client_event(
             builder=builder,
         )
 
@@ -2120,8 +2119,7 @@ class FederationHandler(BaseHandler):
         if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)):
             builder = self.event_builder_factory.new(event_dict)
             EventValidator().validate_new(builder)
-            message_handler = self.hs.get_handlers().message_handler
-            event, context = yield message_handler._create_new_client_event(
+            event, context = yield self.event_creation_handler._create_new_client_event(
                 builder=builder
             )
 
@@ -2159,8 +2157,7 @@ class FederationHandler(BaseHandler):
         """
         builder = self.event_builder_factory.new(event_dict)
 
-        message_handler = self.hs.get_handlers().message_handler
-        event, context = yield message_handler._create_new_client_event(
+        event, context = yield self.event_creation_handler._create_new_client_event(
             builder=builder,
         )
 
@@ -2210,8 +2207,9 @@ class FederationHandler(BaseHandler):
 
         builder = self.event_builder_factory.new(event_dict)
         EventValidator().validate_new(builder)
-        message_handler = self.hs.get_handlers().message_handler
-        event, context = yield message_handler._create_new_client_event(builder=builder)
+        event, context = yield self.event_creation_handler._create_new_client_event(
+            builder=builder,
+        )
         defer.returnValue((event, context))
 
     @defer.inlineCallbacks
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index d1cc87a016..4ea5bf1bcf 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -64,6 +64,7 @@ class RoomCreationHandler(BaseHandler):
         super(RoomCreationHandler, self).__init__(hs)
 
         self.spam_checker = hs.get_spam_checker()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
     @defer.inlineCallbacks
     def create_room(self, requester, config, ratelimit=True):
@@ -163,13 +164,11 @@ class RoomCreationHandler(BaseHandler):
 
         creation_content = config.get("creation_content", {})
 
-        msg_handler = self.hs.get_handlers().message_handler
         room_member_handler = self.hs.get_handlers().room_member_handler
 
         yield self._send_events_for_new_room(
             requester,
             room_id,
-            msg_handler,
             room_member_handler,
             preset_config=preset_config,
             invite_list=invite_list,
@@ -181,7 +180,7 @@ class RoomCreationHandler(BaseHandler):
 
         if "name" in config:
             name = config["name"]
-            yield msg_handler.create_and_send_nonmember_event(
+            yield self.event_creation_handler.create_and_send_nonmember_event(
                 requester,
                 {
                     "type": EventTypes.Name,
@@ -194,7 +193,7 @@ class RoomCreationHandler(BaseHandler):
 
         if "topic" in config:
             topic = config["topic"]
-            yield msg_handler.create_and_send_nonmember_event(
+            yield self.event_creation_handler.create_and_send_nonmember_event(
                 requester,
                 {
                     "type": EventTypes.Topic,
@@ -249,7 +248,6 @@ class RoomCreationHandler(BaseHandler):
             self,
             creator,  # A Requester object.
             room_id,
-            msg_handler,
             room_member_handler,
             preset_config,
             invite_list,
@@ -272,7 +270,7 @@ class RoomCreationHandler(BaseHandler):
         @defer.inlineCallbacks
         def send(etype, content, **kwargs):
             event = create(etype, content, **kwargs)
-            yield msg_handler.create_and_send_nonmember_event(
+            yield self.event_creation_handler.create_and_send_nonmember_event(
                 creator,
                 event,
                 ratelimit=False
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 7e6467cd1d..ab58beb0f5 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -46,6 +46,7 @@ class RoomMemberHandler(BaseHandler):
         super(RoomMemberHandler, self).__init__(hs)
 
         self.profile_handler = hs.get_profile_handler()
+        self.event_creation_hander = hs.get_event_creation_handler()
 
         self.member_linearizer = Linearizer(name="member")
 
@@ -66,13 +67,12 @@ class RoomMemberHandler(BaseHandler):
     ):
         if content is None:
             content = {}
-        msg_handler = self.hs.get_handlers().message_handler
 
         content["membership"] = membership
         if requester.is_guest:
             content["kind"] = "guest"
 
-        event, context = yield msg_handler.create_event(
+        event, context = yield self.event_creation_hander.create_event(
             requester,
             {
                 "type": EventTypes.Member,
@@ -90,12 +90,14 @@ class RoomMemberHandler(BaseHandler):
         )
 
         # Check if this event matches the previous membership event for the user.
-        duplicate = yield msg_handler.deduplicate_state_event(event, context)
+        duplicate = yield self.event_creation_hander.deduplicate_state_event(
+            event, context,
+        )
         if duplicate is not None:
             # Discard the new event since this membership change is a no-op.
             defer.returnValue(duplicate)
 
-        yield msg_handler.handle_new_client_event(
+        yield self.event_creation_hander.handle_new_client_event(
             requester,
             event,
             context,
@@ -394,8 +396,9 @@ class RoomMemberHandler(BaseHandler):
         else:
             requester = synapse.types.create_requester(target_user)
 
-        message_handler = self.hs.get_handlers().message_handler
-        prev_event = yield message_handler.deduplicate_state_event(event, context)
+        prev_event = yield self.event_creation_hander.deduplicate_state_event(
+            event, context,
+        )
         if prev_event is not None:
             return
 
@@ -412,7 +415,7 @@ class RoomMemberHandler(BaseHandler):
             if is_blocked:
                 raise SynapseError(403, "This room has been blocked on this server")
 
-        yield message_handler.handle_new_client_event(
+        yield self.event_creation_hander.handle_new_client_event(
             requester,
             event,
             context,
@@ -644,8 +647,7 @@ class RoomMemberHandler(BaseHandler):
             )
         )
 
-        msg_handler = self.hs.get_handlers().message_handler
-        yield msg_handler.create_and_send_nonmember_event(
+        yield self.event_creation_hander.create_and_send_nonmember_event(
             requester,
             {
                 "type": EventTypes.ThirdPartyInvite,
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index 0615e5d807..f77f646670 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -171,6 +171,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
         self.store = hs.get_datastore()
         self.handlers = hs.get_handlers()
         self.state = hs.get_state_handler()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
     @defer.inlineCallbacks
     def on_POST(self, request, room_id):
@@ -203,8 +204,7 @@ class ShutdownRoomRestServlet(ClientV1RestServlet):
         )
         new_room_id = info["room_id"]
 
-        msg_handler = self.handlers.message_handler
-        yield msg_handler.create_and_send_nonmember_event(
+        yield self.event_creation_handler.create_and_send_nonmember_event(
             room_creator_requester,
             {
                 "type": "m.room.message",
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 867ec8602c..ad6534537a 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -82,6 +82,7 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
     def __init__(self, hs):
         super(RoomStateEventRestServlet, self).__init__(hs)
         self.handlers = hs.get_handlers()
+        self.event_creation_hander = hs.get_event_creation_handler()
 
     def register(self, http_server):
         # /room/$roomid/state/$eventtype
@@ -162,15 +163,16 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
                 content=content,
             )
         else:
-            msg_handler = self.handlers.message_handler
-            event, context = yield msg_handler.create_event(
+            event, context = yield self.event_creation_hander.create_event(
                 requester,
                 event_dict,
                 token_id=requester.access_token_id,
                 txn_id=txn_id,
             )
 
-            yield msg_handler.send_nonmember_event(requester, event, context)
+            yield self.event_creation_hander.send_nonmember_event(
+                requester, event, context,
+            )
 
         ret = {}
         if event:
@@ -184,6 +186,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
     def __init__(self, hs):
         super(RoomSendEventRestServlet, self).__init__(hs)
         self.handlers = hs.get_handlers()
+        self.event_creation_hander = hs.get_event_creation_handler()
 
     def register(self, http_server):
         # /rooms/$roomid/send/$event_type[/$txn_id]
@@ -205,8 +208,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
         if 'ts' in request.args and requester.app_service:
             event_dict['origin_server_ts'] = parse_integer(request, "ts", 0)
 
-        msg_handler = self.handlers.message_handler
-        event = yield msg_handler.create_and_send_nonmember_event(
+        event = yield self.event_creation_hander.create_and_send_nonmember_event(
             requester,
             event_dict,
             txn_id=txn_id,
@@ -670,6 +672,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
     def __init__(self, hs):
         super(RoomRedactEventRestServlet, self).__init__(hs)
         self.handlers = hs.get_handlers()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
     def register(self, http_server):
         PATTERNS = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
@@ -680,8 +683,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
         requester = yield self.auth.get_user_by_req(request)
         content = parse_json_object_from_request(request)
 
-        msg_handler = self.handlers.message_handler
-        event = yield msg_handler.create_and_send_nonmember_event(
+        event = yield self.event_creation_handler.create_and_send_nonmember_event(
             requester,
             {
                 "type": EventTypes.Redaction,
diff --git a/synapse/server.py b/synapse/server.py
index 3173aed1d0..fbd602d40e 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -55,6 +55,7 @@ from synapse.handlers.read_marker import ReadMarkerHandler
 from synapse.handlers.user_directory import UserDirectoryHandler
 from synapse.handlers.groups_local import GroupsLocalHandler
 from synapse.handlers.profile import ProfileHandler
+from synapse.handlers.message import EventCreationHandler
 from synapse.groups.groups_server import GroupsServerHandler
 from synapse.groups.attestations import GroupAttestionRenewer, GroupAttestationSigning
 from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory
@@ -118,6 +119,7 @@ class HomeServer(object):
         'application_service_handler',
         'device_message_handler',
         'profile_handler',
+        'event_creation_handler',
         'deactivate_account_handler',
         'set_password_handler',
         'notifier',
@@ -276,6 +278,9 @@ class HomeServer(object):
     def build_profile_handler(self):
         return ProfileHandler(self)
 
+    def build_event_creation_handler(self):
+        return EventCreationHandler(self)
+
     def build_deactivate_account_handler(self):
         return DeactivateAccountHandler(self)