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Exclude old state events from sync when consumed from roomserver (#1548)

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* Exclude old room events from sync when consumed from roomserver

* Fix comment

* Experimental hack
This commit is contained in:
Neil Alexander 2020-10-22 11:50:48 +01:00 committed by GitHub
parent 3afc623098
commit f32320a235
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 4 deletions
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14
syncapi/consumers/roomserver.go
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@ -189,14 +189,20 @@ func (s *OutputRoomEventConsumer) onOldRoomEvent(
) error {
ev := msg.Event
// TODO: The state key check when excluding from sync is designed
// to stop us from lying to clients with old state, whilst still
// allowing normal timeline events through. This is an absolute
// hack but until we have some better strategy for dealing with
// old events in the sync API, this should at least prevent us
// from confusing clients into thinking they've joined/left rooms.
pduPos, err := s.db.WriteEvent(
ctx,
&ev,
[]gomatrixserverlib.HeaderedEvent{},
[]string{}, // adds no state
[]string{}, // removes no state
nil, // no transaction
false, // not excluded from sync
[]string{}, // adds no state
[]string{}, // removes no state
nil, // no transaction
ev.StateKey() != nil, // exclude from sync?
)
if err != nil {
// panic rather than continue with an inconsistent database