diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index f5e346cdbc..c6a8c1249a 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -17,6 +17,7 @@
from twisted.internet import defer
from .federation_base import FederationBase
+from synapse.api.constants import Membership
from .units import Edu
from synapse.api.errors import (
@@ -356,19 +357,55 @@ class FederationClient(FederationBase):
defer.returnValue(signed_auth)
@defer.inlineCallbacks
- def make_join(self, destinations, room_id, user_id):
+ def make_membership_event(self, destinations, room_id, user_id, membership,
+ content={},):
+ """
+ Creates an m.room.member event, with context, without participating in the room.
+
+ Does so by asking one of the already participating servers to create an
+ event with proper context.
+
+ Note that this does not append any events to any graphs.
+
+ Args:
+ destinations (str): Candidate homeservers which are probably
+ participating in the room.
+ room_id (str): The room in which the event will happen.
+ user_id (str): The user whose membership is being evented.
+ membership (str): The "membership" property of the event. Must be
+ one of "join" or "leave".
+ content (object): Any additional data to put into the content field
+ of the event.
+ Return:
+ A tuple of (origin (str), event (object)) where origin is the remote
+ homeserver which generated the event.
+ """
+ valid_memberships = {Membership.JOIN, Membership.LEAVE}
+ if membership not in valid_memberships:
+ raise RuntimeError(
+ "make_membership_event called with membership='%s', must be one of %s" %
+ (membership, ",".join(valid_memberships))
+ )
for destination in destinations:
if destination == self.server_name:
continue
try:
- ret = yield self.transport_layer.make_join(
- destination, room_id, user_id
+ ret = yield self.transport_layer.make_membership_event(
+ destination, room_id, user_id, membership
)
pdu_dict = ret["event"]
- logger.debug("Got response to make_join: %s", pdu_dict)
+ logger.debug("Got response to make_%s: %s", membership, pdu_dict)
+
+ pdu_dict["content"].update(content)
+
+ # The protoevent received over the JSON wire may not have all
+ # the required fields. Lets just gloss over that because
+ # there's some we never care about
+ if "prev_state" not in pdu_dict:
+ pdu_dict["prev_state"] = []
defer.returnValue(
(destination, self.event_from_pdu_json(pdu_dict))
@@ -378,8 +415,8 @@ class FederationClient(FederationBase):
raise
except Exception as e:
logger.warn(
- "Failed to make_join via %s: %s",
- destination, e.message
+ "Failed to make_%s via %s: %s",
+ membership, destination, e.message
)
raise RuntimeError("Failed to send to any server.")
@@ -486,6 +523,33 @@ class FederationClient(FederationBase):
defer.returnValue(pdu)
@defer.inlineCallbacks
+ def send_leave(self, destinations, pdu):
+ for destination in destinations:
+ if destination == self.server_name:
+ continue
+
+ try:
+ time_now = self._clock.time_msec()
+ _, content = yield self.transport_layer.send_leave(
+ destination=destination,
+ room_id=pdu.room_id,
+ event_id=pdu.event_id,
+ content=pdu.get_pdu_json(time_now),
+ )
+
+ logger.debug("Got content: %s", content)
+ defer.returnValue(None)
+ except CodeMessageException:
+ raise
+ except Exception as e:
+ logger.exception(
+ "Failed to send_leave via %s: %s",
+ destination, e.message
+ )
+
+ raise RuntimeError("Failed to send to any server.")
+
+ @defer.inlineCallbacks
def query_auth(self, destination, room_id, event_id, local_auth):
"""
Params:
@@ -643,3 +707,26 @@ class FederationClient(FederationBase):
event.internal_metadata.outlier = outlier
return event
+
+ @defer.inlineCallbacks
+ def forward_third_party_invite(self, destinations, room_id, event_dict):
+ for destination in destinations:
+ if destination == self.server_name:
+ continue
+
+ try:
+ yield self.transport_layer.exchange_third_party_invite(
+ destination=destination,
+ room_id=room_id,
+ event_dict=event_dict,
+ )
+ defer.returnValue(None)
+ except CodeMessageException:
+ raise
+ except Exception as e:
+ logger.exception(
+ "Failed to send_third_party_invite via %s: %s",
+ destination, e.message
+ )
+
+ raise RuntimeError("Failed to send to any server.")
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