diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index 725c6f3fa5..7934f740e0 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -23,10 +23,12 @@ from synapse.util.logutils import log_function
from synapse.events import FrozenEvent
import synapse.metrics
-from synapse.api.errors import FederationError, SynapseError
+from synapse.api.errors import FederationError, SynapseError, Codes
from synapse.crypto.event_signing import compute_event_signature
+from synapse.util import third_party_invites
+
import simplejson as json
import logging
@@ -228,8 +230,19 @@ class FederationServer(FederationBase):
)
@defer.inlineCallbacks
- def on_make_join_request(self, room_id, user_id):
- pdu = yield self.handler.on_make_join_request(room_id, user_id)
+ def on_make_join_request(self, room_id, user_id, query):
+ threepid_details = {}
+ if third_party_invites.has_join_keys(query):
+ for k in third_party_invites.JOIN_KEYS:
+ if not isinstance(query[k], list) or len(query[k]) != 1:
+ raise FederationError(
+ "FATAL",
+ Codes.MISSING_PARAM,
+ "key %s value %s" % (k, query[k],),
+ None
+ )
+ threepid_details[k] = query[k][0]
+ pdu = yield self.handler.on_make_join_request(room_id, user_id, threepid_details)
time_now = self._clock.time_msec()
defer.returnValue({"event": pdu.get_pdu_json(time_now)})
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