3 files changed, 14 insertions, 6 deletions
diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py
index 921fd08832..f9653e0b2a 100644
--- a/synapse/api/events/__init__.py
+++ b/synapse/api/events/__init__.py
@@ -41,16 +41,17 @@ class SynapseEvent(JsonEncodedObject):
         "room_id",
         "user_id",  # sender/initiator
         "content",  # HTTP body, JSON
+        "state_key",
     ]
 
     internal_keys = [
         "is_state",
-        "state_key",
         "prev_events",
         "prev_state",
         "depth",
         "destinations",
         "origin",
+        "outlier",
     ]
 
     required_keys = [
diff --git a/synapse/api/events/factory.py b/synapse/api/events/factory.py
index b61dac7acd..c2cdcddf41 100644
--- a/synapse/api/events/factory.py
+++ b/synapse/api/events/factory.py
@@ -33,16 +33,21 @@ class EventFactory(object):
         RoomConfigEvent
     ]
 
-    def __init__(self):
+    def __init__(self, hs):
         self._event_list = {}  # dict of TYPE to event class
         for event_class in EventFactory._event_classes:
             self._event_list[event_class.TYPE] = event_class
 
+        self.clock = hs.get_clock()
+
     def create_event(self, etype=None, **kwargs):
         kwargs["type"] = etype
         if "event_id" not in kwargs:
             kwargs["event_id"] = random_string(10)
 
+        if "ts" not in kwargs:
+            kwargs["ts"] = int(self.clock.time_msec())
+
         if etype in self._event_list:
             handler = self._event_list[etype]
         else:
diff --git a/synapse/api/events/room.py b/synapse/api/events/room.py
index 42459f3f21..2a7b5e8aba 100644
--- a/synapse/api/events/room.py
+++ b/synapse/api/events/room.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from synapse.api.constants import Membership
+from synapse.api.errors import SynapseError
 from . import SynapseEvent
 
 
@@ -59,15 +61,15 @@ class RoomMemberEvent(SynapseEvent):
     TYPE = "m.room.member"
 
     valid_keys = SynapseEvent.valid_keys + [
-        "target_user_id",  # target
+        # target is the state_key
         "membership",  # action
     ]
 
     def __init__(self, **kwargs):
-        if "target_user_id" in kwargs:
-            kwargs["state_key"] = kwargs["target_user_id"]
         if "membership" not in kwargs:
             kwargs["membership"] = kwargs.get("content", {}).get("membership")
+        if not kwargs["membership"] in Membership.LIST:
+            raise SynapseError(400, "Bad membership value.")
         super(RoomMemberEvent, self).__init__(**kwargs)
 
     def get_content_template(self):
@@ -108,7 +110,7 @@ class InviteJoinEvent(SynapseEvent):
     TYPE = "m.room.invite_join"
 
     valid_keys = SynapseEvent.valid_keys + [
-        "target_user_id",
+        # target_user_id is the state_key
         "target_host",
     ]