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-rw-r--r--synapse/handlers/room_member.py103
1 files changed, 65 insertions, 38 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index ed3b97730d..0127cf4166 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -55,7 +55,6 @@ class RoomMemberHandler(object):
         self.registration_handler = hs.get_handlers().registration_handler
         self.profile_handler = hs.get_profile_handler()
         self.event_creation_hander = hs.get_event_creation_handler()
-        self.replication_layer = hs.get_replication_layer()
 
         self.member_linearizer = Linearizer(name="member")
 
@@ -138,7 +137,20 @@ class RoomMemberHandler(object):
         defer.returnValue(event)
 
     @defer.inlineCallbacks
-    def remote_join(self, remote_room_hosts, room_id, user, content):
+    def _remote_join(self, remote_room_hosts, room_id, user, content):
+        """Try and join a room that this server is not in
+
+        Args:
+            remote_room_hosts (list[str]): List of servers that can be used
+                to join via.
+            room_id (str): Room that we are trying to join
+            user (UserID): User who is trying to join
+            content (dict): A dict that should be used as the content of the
+                join event.
+
+        Returns:
+            Deferred
+        """
         if len(remote_room_hosts) == 0:
             raise SynapseError(404, "No known servers")
 
@@ -155,6 +167,43 @@ class RoomMemberHandler(object):
         yield user_joined_room(self.distributor, user, room_id)
 
     @defer.inlineCallbacks
+    def _remote_reject_invite(self, remote_room_hosts, room_id, target):
+        """Attempt to reject an invite for a room this server is not in. If we
+        fail to do so we locally mark the invite as rejected.
+
+        Args:
+            remote_room_hosts (list[str]): List of servers to use to try and
+                reject invite
+            room_id (str)
+            target (UserID): The user rejecting the invite
+
+        Returns:
+            Deferred[dict]: A dictionary to be returned to the client, may
+            include event_id etc, or nothing if we locally rejected
+        """
+        fed_handler = self.federation_handler
+        try:
+            ret = yield fed_handler.do_remotely_reject_invite(
+                remote_room_hosts,
+                room_id,
+                target.to_string(),
+            )
+            defer.returnValue(ret)
+        except Exception as e:
+            # if we were unable to reject the exception, just mark
+            # it as rejected on our end and plough ahead.
+            #
+            # The 'except' clause is very broad, but we need to
+            # capture everything from DNS failures upwards
+            #
+            logger.warn("Failed to reject invite: %s", e)
+
+            yield self.store.locally_reject_invite(
+                target.to_string(), room_id
+            )
+            defer.returnValue({})
+
+    @defer.inlineCallbacks
     def update_membership(
             self,
             requester,
@@ -212,7 +261,7 @@ class RoomMemberHandler(object):
         # if this is a join with a 3pid signature, we may need to turn a 3pid
         # invite into a normal invite before we can handle the join.
         if third_party_signed is not None:
-            yield self.replication_layer.exchange_third_party_invite(
+            yield self.federation_handler.exchange_third_party_invite(
                 third_party_signed["sender"],
                 target.to_string(),
                 room_id,
@@ -292,7 +341,7 @@ class RoomMemberHandler(object):
                     raise AuthError(403, "Guest access not allowed")
 
             if not is_host_in_room:
-                inviter = yield self.get_inviter(target.to_string(), room_id)
+                inviter = yield self._get_inviter(target.to_string(), room_id)
                 if inviter and not self.hs.is_mine(inviter):
                     remote_room_hosts.append(inviter.domain)
 
@@ -306,7 +355,7 @@ class RoomMemberHandler(object):
                 if requester.is_guest:
                     content["kind"] = "guest"
 
-                ret = yield self.remote_join(
+                ret = yield self._remote_join(
                     remote_room_hosts, room_id, target, content
                 )
                 defer.returnValue(ret)
@@ -314,7 +363,7 @@ class RoomMemberHandler(object):
         elif effective_membership_state == Membership.LEAVE:
             if not is_host_in_room:
                 # perhaps we've been invited
-                inviter = yield self.get_inviter(target.to_string(), room_id)
+                inviter = yield self._get_inviter(target.to_string(), room_id)
                 if not inviter:
                     raise SynapseError(404, "Not a known room")
 
@@ -328,28 +377,10 @@ class RoomMemberHandler(object):
                 else:
                     # send the rejection to the inviter's HS.
                     remote_room_hosts = remote_room_hosts + [inviter.domain]
-                    fed_handler = self.federation_handler
-                    try:
-                        ret = yield fed_handler.do_remotely_reject_invite(
-                            remote_room_hosts,
-                            room_id,
-                            target.to_string(),
-                        )
-                        defer.returnValue(ret)
-                    except Exception as e:
-                        # if we were unable to reject the exception, just mark
-                        # it as rejected on our end and plough ahead.
-                        #
-                        # The 'except' clause is very broad, but we need to
-                        # capture everything from DNS failures upwards
-                        #
-                        logger.warn("Failed to reject invite: %s", e)
-
-                        yield self.store.locally_reject_invite(
-                            target.to_string(), room_id
-                        )
-
-                        defer.returnValue({})
+                    res = yield self._remote_reject_invite(
+                        remote_room_hosts, room_id, target,
+                    )
+                    defer.returnValue(res)
 
         res = yield self._local_membership_update(
             requester=requester,
@@ -496,7 +527,7 @@ class RoomMemberHandler(object):
         defer.returnValue((RoomID.from_string(room_id), servers))
 
     @defer.inlineCallbacks
-    def get_inviter(self, user_id, room_id):
+    def _get_inviter(self, user_id, room_id):
         invite = yield self.store.get_invite_for_user_in_room(
             user_id=user_id,
             room_id=room_id,
@@ -573,7 +604,7 @@ class RoomMemberHandler(object):
             if "mxid" in data:
                 if "signatures" not in data:
                     raise AuthError(401, "No signatures on 3pid binding")
-                yield self.verify_any_signature(data, id_server)
+                yield self._verify_any_signature(data, id_server)
                 defer.returnValue(data["mxid"])
 
         except IOError as e:
@@ -581,7 +612,7 @@ class RoomMemberHandler(object):
             defer.returnValue(None)
 
     @defer.inlineCallbacks
-    def verify_any_signature(self, data, server_hostname):
+    def _verify_any_signature(self, data, server_hostname):
         if server_hostname not in data["signatures"]:
             raise AuthError(401, "No signature from server %s" % (server_hostname,))
         for key_name, signature in data["signatures"][server_hostname].items():
@@ -735,20 +766,16 @@ class RoomMemberHandler(object):
         }
 
         if self.config.invite_3pid_guest:
-            registration_handler = self.registration_handler
-            guest_access_token = yield registration_handler.guest_access_token_for(
+            rh = self.registration_handler
+            guest_user_id, guest_access_token = yield rh.get_or_register_3pid_guest(
                 medium=medium,
                 address=address,
                 inviter_user_id=inviter_user_id,
             )
 
-            guest_user_info = yield self.auth.get_user_by_access_token(
-                guest_access_token
-            )
-
             invite_config.update({
                 "guest_access_token": guest_access_token,
-                "guest_user_id": guest_user_info["user"].to_string(),
+                "guest_user_id": guest_user_id,
             })
 
         data = yield self.simple_http_client.post_urlencoded_get_json(