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Ignore EDUs for rooms we're not in (#10317)

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Dagfinn Ilmari Mannsåker 2021-07-06 14:31:13 +01:00 • committed by GitHub
parent bcb0962a72
commit 47e28b4031
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15
synapse/handlers/receipts.py
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@ -30,6 +30,8 @@ class ReceiptsHandler(BaseHandler):
self.server_name = hs.config.server_name
self.store = hs.get_datastore()
self.event_auth_handler = hs.get_event_auth_handler()
self.hs = hs
# We only need to poke the federation sender explicitly if its on the
@ -59,6 +61,19 @@ class ReceiptsHandler(BaseHandler):
"""Called when we receive an EDU of type m.receipt from a remote HS."""
receipts = []
for room_id, room_values in content.items():
# If we're not in the room just ditch the event entirely. This is
# probably an old server that has come back and thinks we're still in
# the room (or we've been rejoined to the room by a state reset).
is_in_room = await self.event_auth_handler.check_host_in_room(
room_id, self.server_name
)
if not is_in_room:
logger.info(
"Ignoring receipt from %s as we're not in the room",
origin,
)
continue
for receipt_type, users in room_values.items():
for user_id, user_values in users.items():
if get_domain_from_id(user_id) != origin: