diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 4b4c6c15f9..488058fe68 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1222,7 +1222,6 @@ class FederationHandler(BaseHandler):
Returns:
Deferred[FrozenEvent]
"""
-
if get_domain_from_id(user_id) != origin:
logger.info(
"Got /make_join request for user %r from different origin %s, ignoring",
@@ -1280,11 +1279,20 @@ class FederationHandler(BaseHandler):
event = pdu
logger.debug(
- "on_send_join_request: Got event: %s, signatures: %s",
+ "on_send_join_request from %s: Got event: %s, signatures: %s",
+ origin,
event.event_id,
event.signatures,
)
+ if get_domain_from_id(event.sender) != origin:
+ logger.info(
+ "Got /send_join request for user %r from different origin %s",
+ event.sender,
+ origin,
+ )
+ raise SynapseError(403, "User not from origin", Codes.FORBIDDEN)
+
event.internal_metadata.outlier = False
# Send this event on behalf of the origin server.
#
@@ -1503,6 +1511,14 @@ class FederationHandler(BaseHandler):
event.signatures,
)
+ if get_domain_from_id(event.sender) != origin:
+ logger.info(
+ "Got /send_leave request for user %r from different origin %s",
+ event.sender,
+ origin,
+ )
+ raise SynapseError(403, "User not from origin", Codes.FORBIDDEN)
+
event.internal_metadata.outlier = False
context = yield self._handle_new_event(origin, event)
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