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This commit is contained in:
Neil Alexander 2022-03-01 11:53:34 +00:00
parent 4daaf48177
commit 5486e6330c
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1 changed files with 6 additions and 3 deletions
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9
syncapi/internal/keychange.go
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@ -83,12 +83,15 @@ func DeviceListCatchup(
return to, hasNew, nil
}
// Work out which user IDs we care about — that includes those in the original request,
// the response from QueryKeyChanges (which includes ALL users who have changed keys)
// as well as every user who has a join or leave event in the current sync response. We
// will request information about which rooms these users are joined to, so that we can
// see if we still share any rooms with them.
joinUserIDs, leaveUserIDs := membershipEvents(res)
queryRes.UserIDs = append(queryRes.UserIDs, joinUserIDs...)
queryRes.UserIDs = append(queryRes.UserIDs, leaveUserIDs...)
queryRes.UserIDs = util.UniqueStrings(queryRes.UserIDs)
// QueryKeyChanges gets ALL users who have changed keys, we want the ones who share rooms with the user.
var sharedUsersMap map[string]int
sharedUsersMap, queryRes.UserIDs = filterSharedUsers(ctx, rsAPI, userID, queryRes.UserIDs)
util.GetLogger(ctx).Debugf(
@ -106,7 +109,7 @@ func DeviceListCatchup(
userSet[userID] = true
}
}
// if the response has any join/leave events, add them now.
// Finally, add in users who have joined or left.
// TODO: This is sub-optimal because we will add users to `changed` even if we already shared a room with them.
for _, userID := range joinUserIDs {
if !userSet[userID] {