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Fix a bug where redactions were not being sent over federation if we did not have the original event. (#13813)

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Shay 2022-10-11 11:18:45 -07:00 • committed by GitHub
parent 6a92944854
commit a86b2f6837
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6 changed files with 62 additions and 38 deletions
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29
synapse/federation/sender/__init__.py
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@ -353,21 +353,25 @@ class FederationSender(AbstractFederationSender):
last_token = await self.store.get_federation_out_pos("events")
(
next_token,
events,
event_to_received_ts,
) = await self.store.get_all_new_events_stream(
) = await self.store.get_all_new_event_ids_stream(
last_token, self._last_poked_id, limit=100
)
event_ids = event_to_received_ts.keys()
event_entries = await self.store.get_unredacted_events_from_cache_or_db(
event_ids
)
logger.debug(
"Handling %i -> %i: %i events to send (current id %i)",
last_token,
next_token,
len(events),
len(event_entries),
self._last_poked_id,
)
if not events and next_token >= self._last_poked_id:
if not event_entries and next_token >= self._last_poked_id:
logger.debug("All events processed")
break
@ -508,8 +512,14 @@ class FederationSender(AbstractFederationSender):
await handle_event(event)
events_by_room: Dict[str, List[EventBase]] = {}
for event in events:
events_by_room.setdefault(event.room_id, []).append(event)
for event_id in event_ids:
# `event_entries` is unsorted, so we have to iterate over `event_ids`
# to ensure the events are in the right order
event_cache = event_entries.get(event_id)
if event_cache:
event = event_cache.event
events_by_room.setdefault(event.room_id, []).append(event)
await make_deferred_yieldable(
defer.gatherResults(
@ -524,9 +534,10 @@ class FederationSender(AbstractFederationSender):
logger.debug("Successfully handled up to %i", next_token)
await self.store.update_federation_out_pos("events", next_token)
if events:
if event_entries:
now = self.clock.time_msec()
ts = event_to_received_ts[events[-1].event_id]
last_id = next(reversed(event_ids))
ts = event_to_received_ts[last_id]
assert ts is not None
synapse.metrics.event_processing_lag.labels(
@ -536,7 +547,7 @@ class FederationSender(AbstractFederationSender):
"federation_sender"
).set(ts)
events_processed_counter.inc(len(events))
events_processed_counter.inc(len(event_entries))
event_processing_loop_room_count.labels("federation_sender").inc(
len(events_by_room)