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Guard in all key consumers

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This commit is contained in:
Neil Alexander 2021-11-16 09:27:49 +00:00
parent ddbef7c3ff
commit a9e715b5c5
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GPG key ID: A02A2019A2BB0944
3 changed files with 15 additions and 6 deletions
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11
federationsender/consumers/keychange.go
View file

@ -84,6 +84,11 @@ func (t *KeyChangeConsumer) onMessage(msg *sarama.ConsumerMessage) error {
logrus.WithError(err).Errorf("failed to read device message from key change topic") logrus.WithError(err).Errorf("failed to read device message from key change topic")
return nil return nil
} }
if m.DeviceKeys == nil && m.OutputCrossSigningKeyUpdate == nil {
// This probably shouldn't happen but stops us from panicking if we come
// across an update that doesn't satisfy either types.
return nil
}
switch m.Type { switch m.Type {
case api.TypeCrossSigningUpdate: case api.TypeCrossSigningUpdate:
return t.onCrossSigningMessage(m) return t.onCrossSigningMessage(m)
@ -95,12 +100,6 @@ func (t *KeyChangeConsumer) onMessage(msg *sarama.ConsumerMessage) error {
} }
func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) error { func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) error {
if m.DeviceKeys == nil && m.OutputCrossSigningKeyUpdate == nil {
// This probably shouldn't happen but stops us from panicking if we come
// across an update that doesn't satisfy either types.
return nil
}
logger := logrus.WithField("user_id", m.UserID) logger := logrus.WithField("user_id", m.UserID)
// only send key change events which originated from us // only send key change events which originated from us

5
keyserver/consumers/cross_signing.go
View file

@ -77,6 +77,11 @@ func (t *OutputCrossSigningKeyUpdateConsumer) onMessage(msg *sarama.ConsumerMess
logrus.WithError(err).Errorf("failed to read device message from key change topic") logrus.WithError(err).Errorf("failed to read device message from key change topic")
return nil return nil
} }
if m.OutputCrossSigningKeyUpdate == nil {
// This probably shouldn't happen but stops us from panicking if we come
// across an update that doesn't satisfy either types.
return nil
}
switch m.Type { switch m.Type {
case api.TypeCrossSigningUpdate: case api.TypeCrossSigningUpdate:
return t.onCrossSigningMessage(m) return t.onCrossSigningMessage(m)

5
syncapi/consumers/keychange.go
View file

@ -109,6 +109,11 @@ func (s *OutputKeyChangeEventConsumer) onMessage(msg *sarama.ConsumerMessage) er
logrus.WithError(err).Errorf("failed to read device message from key change topic") logrus.WithError(err).Errorf("failed to read device message from key change topic")
return nil return nil
} }
if m.DeviceKeys == nil && m.OutputCrossSigningKeyUpdate == nil {
// This probably shouldn't happen but stops us from panicking if we come
// across an update that doesn't satisfy either types.
return nil
}
switch m.Type { switch m.Type {
case api.TypeCrossSigningUpdate: case api.TypeCrossSigningUpdate:
return s.onCrossSigningMessage(m, msg.Offset, msg.Partition) return s.onCrossSigningMessage(m, msg.Offset, msg.Partition)