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Fix local room check

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This commit is contained in:
Neil Alexander 2020-09-09 18:00:42 +01:00
parent 82062d9b53
commit 20dd71ebea
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1 changed files with 12 additions and 2 deletions
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14
roomserver/internal/perform/perform_join.go
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@ -335,8 +335,18 @@ func buildEvent(
return nil, nil, fmt.Errorf("QueryLatestEventsAndState: %w", err)
}
if !auth.IsAnyUserOnServerWithMembership(cfg.ServerName, gomatrixserverlib.UnwrapEventHeaders(queryRes.StateEvents), "join") {
return nil, nil, eventutil.ErrRoomNoExists
// If we know about any membership events in this room, check and see
// if we still believe any of our users to be in the room. If not, then
// returning that the room doesn't exist will kick the room join over
// to a federated join. If we don't know about any of the membership
// events then it's probably a new local room so do nothing.
for _, ev := range queryRes.StateEvents {
if ev.Type() == gomatrixserverlib.MRoomMember {
if !auth.IsAnyUserOnServerWithMembership(cfg.ServerName, gomatrixserverlib.UnwrapEventHeaders(queryRes.StateEvents), "join") {
return nil, nil, eventutil.ErrRoomNoExists
}
break
}
}
ev, err := eventutil.BuildEvent(ctx, builder, cfg, time.Now(), &eventsNeeded, &queryRes)