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Backoff ignore invalid signatures (#1408)

main
Neil Alexander 2020-09-08 10:28:13 +01:00 committed by GitHub
parent 1602df8752
commit 726ad6ce2e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 3 deletions
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24
federationapi/routing/send.go
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@ -477,7 +477,12 @@ func (t *txnReq) lookupStateAfterEvent(ctx context.Context, roomVersion gomatrix
// fetch the event we're missing and add it to the pile
h, err := t.lookupEvent(ctx, roomVersion, eventID, false)
if err != nil {
switch err.(type) {
case verifySigError:
return respState, nil
case nil:
// do nothing
default:
return nil, err
}
t.haveEvents[h.EventID()] = h
@ -586,7 +591,15 @@ retryAllowedState:
switch missing := err.(type) {
case gomatrixserverlib.MissingAuthEventError:
h, err2 := t.lookupEvent(ctx, roomVersion, missing.AuthEventID, true)
if err2 != nil {
switch err2.(type) {
case verifySigError:
return &gomatrixserverlib.RespState{
AuthEvents: authEventList,
StateEvents: resolvedStateEvents,
}, nil
case nil:
// do nothing
default:
return nil, fmt.Errorf("missing auth event %s and failed to look it up: %w", missing.AuthEventID, err2)
}
util.GetLogger(ctx).Infof("fetched event %s", missing.AuthEventID)
@ -762,7 +775,12 @@ func (t *txnReq) lookupMissingStateViaStateIDs(ctx context.Context, roomID, even
for missingEventID := range missing {
var h *gomatrixserverlib.HeaderedEvent
h, err = t.lookupEvent(ctx, roomVersion, missingEventID, false)
if err != nil {
switch err.(type) {
case verifySigError:
continue
case nil:
// do nothing
default:
return nil, err
}
t.haveEvents[h.EventID()] = h