MirrorHub/dendrite
0
0
Fork 0
mirror of https://github.com/matrix-org/dendrite synced 2024-06-09 07:59:02 +02:00
Code Issues Releases Wiki Activity

Fix missing signature check on the /get_missing_events response

Browse source
This commit is contained in:
Neil Alexander 2022-09-12 12:30:41 +01:00
parent 7595fbf58c
commit 2792d0490f
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
roomserver/internal/input/input_missing.go
View file

@ -553,11 +553,14 @@ func (t *missingStateReq) getMissingEvents(ctx context.Context, e *gomatrixserve
// Make sure events from the missingResp are using the cache - missing events
// will be added and duplicates will be removed.
logger.Debugf("get_missing_events returned %d events", len(missingResp.Events))
missingEvents := make([]*gomatrixserverlib.Event, 0, len(missingResp.Events))
for _, ev := range missingResp.Events.UntrustedEvents(roomVersion) {
if err = ev.VerifyEventSignatures(ctx, t.keys); err != nil {
continue
}
missingEvents = append(missingEvents, t.cacheAndReturn(ev))
}
logger.Debugf("get_missing_events returned %d events (%d passed signature checks)", len(missingResp.Events), len(missingEvents))
// topologically sort and sanity check that we are making forward progress
newEvents = gomatrixserverlib.ReverseTopologicalOrdering(missingEvents, gomatrixserverlib.TopologicalOrderByPrevEvents)