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-rw-r--r--synapse/handlers/_base.py13
-rw-r--r--synapse/handlers/federation.py37
-rw-r--r--synapse/handlers/room.py32
3 files changed, 61 insertions, 21 deletions
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py
index f630280031..9dc2fc2e0f 100644
--- a/synapse/handlers/_base.py
+++ b/synapse/handlers/_base.py
@@ -56,7 +56,8 @@ class BaseHandler(object):
 
     @defer.inlineCallbacks
     def _on_new_room_event(self, event, snapshot, extra_destinations=[],
-                           extra_users=[], suppress_auth=False):
+                           extra_users=[], suppress_auth=False,
+                           do_invite_host=None):
         yield run_on_reactor()
 
         snapshot.fill_out_prev_events(event)
@@ -80,6 +81,16 @@ class BaseHandler(object):
         else:
             logger.debug("Suppressed auth.")
 
+        if do_invite_host:
+            federation_handler = self.hs.get_handlers().federation_handler
+            invite_event = yield federation_handler.send_invite(
+                do_invite_host,
+                event
+            )
+
+            # FIXME: We need to check if the remote changed anything else
+            event.signatures = invite_event.signatures
+
         yield self.store.persist_event(event)
 
         destinations = set(extra_destinations)
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index c193da12b7..e6afd95a58 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -23,6 +23,7 @@ from synapse.api.constants import Membership
 from synapse.util.logutils import log_function
 from synapse.federation.pdu_codec import PduCodec
 from synapse.util.async import run_on_reactor
+from synapse.crypto.event_signing import compute_event_signature
 
 from twisted.internet import defer
 
@@ -212,6 +213,17 @@ class FederationHandler(BaseHandler):
 
         defer.returnValue(events)
 
+    @defer.inlineCallbacks
+    def send_invite(self, target_host, event):
+        pdu = yield self.replication_layer.send_invite(
+            destination=target_host,
+            context=event.room_id,
+            event_id=event.event_id,
+            pdu=self.pdu_codec.pdu_from_event(event)
+        )
+
+        defer.returnValue(self.pdu_codec.event_from_pdu(pdu))
+
     @log_function
     @defer.inlineCallbacks
     def do_invite_join(self, target_host, room_id, joinee, content, snapshot):
@@ -381,6 +393,31 @@ class FederationHandler(BaseHandler):
         })
 
     @defer.inlineCallbacks
+    def on_invite_request(self, origin, pdu):
+        event = self.pdu_codec.event_from_pdu(pdu)
+
+        event.outlier = True
+
+        event.signatures.update(
+            compute_event_signature(
+                event,
+                self.hs.hostname,
+                self.hs.config.signing_key[0]
+            )
+        )
+
+        yield self.state_handler.annotate_state_groups(event)
+
+        yield self.store.persist_event(
+            event,
+            backfilled=False,
+        )
+
+        yield self.notifier.on_new_room_event(event)
+
+        defer.returnValue(self.pdu_codec.pdu_from_event(event))
+
+    @defer.inlineCallbacks
     def get_state_for_pdu(self, event_id):
         yield run_on_reactor()
 
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 42a6c9f9bf..3642fcfc6d 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -361,13 +361,6 @@ class RoomMemberHandler(BaseHandler):
         if prev_state:
             event.content["prev"] = prev_state.membership
 
-#        if prev_state and prev_state.membership == event.membership:
-#            # treat this event as a NOOP.
-#            if do_auth:  # This is mainly to fix a unit test.
-#                yield self.auth.check(event, raises=True)
-#            defer.returnValue({})
-#            return
-
         room_id = event.room_id
 
         # If we're trying to join a room then we have to do this differently
@@ -521,25 +514,24 @@ class RoomMemberHandler(BaseHandler):
 
         defer.returnValue([r.room_id for r in rooms])
 
+    @defer.inlineCallbacks
     def _do_local_membership_update(self, event, membership, snapshot,
                                     do_auth):
-        destinations = []
-
         # If we're inviting someone, then we should also send it to that
         # HS.
         target_user_id = event.state_key
         target_user = self.hs.parse_userid(target_user_id)
-        if membership == Membership.INVITE:
-            host = target_user.domain
-            destinations.append(host)
-
-        # Always include target domain
-        host = target_user.domain
-        destinations.append(host)
-
-        return self._on_new_room_event(
-            event, snapshot, extra_destinations=destinations,
-            extra_users=[target_user], suppress_auth=(not do_auth),
+        if membership == Membership.INVITE and not target_user.is_mine:
+            do_invite_host = target_user.domain
+        else:
+            do_invite_host = None
+
+        yield self._on_new_room_event(
+            event,
+            snapshot,
+            extra_users=[target_user],
+            suppress_auth=(not do_auth),
+            do_invite_host=do_invite_host,
         )