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Ignore typing events where sender doesn't match origin (#1523)

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* Ignore typing notifications where the sender doesn't match the origin

* Update sytest-whitelist

* Fix formatting directives
This commit is contained in:
Neil Alexander 2020-10-14 16:49:25 +01:00 committed by GitHub
parent e3a3908654
commit 6f12b8f85c
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 0 deletions
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9
federationapi/routing/send.go
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@ -289,6 +289,15 @@ func (t *txnReq) processEDUs(ctx context.Context) {
util.GetLogger(ctx).WithError(err).Error("Failed to unmarshal typing event")
continue
}
_, domain, err := gomatrixserverlib.SplitID('@', typingPayload.UserID)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("Failed to split domain from typing event sender")
continue
}
if domain != t.Origin {
util.GetLogger(ctx).Warnf("Dropping typing event where sender domain (%q) doesn't match origin (%q)", domain, t.Origin)
continue
}
if err := eduserverAPI.SendTyping(ctx, t.eduAPI, typingPayload.UserID, typingPayload.RoomID, typingPayload.Typing, 30*1000); err != nil {
util.GetLogger(ctx).WithError(err).Error("Failed to send typing event to edu server")
}

1
sytest-whitelist
View file

@ -483,3 +483,4 @@ POST rejects invalid utf-8 in JSON
Users cannot kick users who have already left a room
A prev_batch token from incremental sync can be used in the v1 messages API
Event with an invalid signature in the send_join response should not cause room join to fail
Inbound federation rejects typing notifications from wrong remote