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feat(filterv2): ignore messages received from peers not subscribed to

This commit is contained in:
Richard Ramos 2023-04-20 10:44:06 -04:00 committed by RichΛrd
parent 9ed8f16a0a
commit c23eac64fb
2 changed files with 25 additions and 2 deletions
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14
waku/v2/protocol/filter/client.go
View File

@ -113,6 +113,12 @@ func (wf *WakuFilterLightnode) onRequest(ctx context.Context) func(s network.Str
defer s.Close()
logger := wf.log.With(logging.HostID("peer", s.Conn().RemotePeer()))
if !wf.subscriptions.IsSubscribedTo(s.Conn().RemotePeer()) {
logger.Warn("received message push from unknown peer", logging.HostID("peerID", s.Conn().RemotePeer()))
metrics.RecordFilterError(ctx, "unknown_peer_messagepush")
return
}
reader := pbio.NewDelimitedReader(s, math.MaxInt32)
messagePush := &pb.MessagePushV2{}
@ -123,6 +129,12 @@ func (wf *WakuFilterLightnode) onRequest(ctx context.Context) func(s network.Str
return
}
if !wf.subscriptions.Has(s.Conn().RemotePeer(), messagePush.PubsubTopic, messagePush.WakuMessage.ContentTopic) {
logger.Warn("received messagepush with invalid subscription parameters", logging.HostID("peerID", s.Conn().RemotePeer()), zap.String("topic", messagePush.PubsubTopic), zap.String("contentTopic", messagePush.WakuMessage.ContentTopic))
metrics.RecordFilterError(ctx, "invalid_subscription_message")
return
}
metrics.RecordFilterMessage(ctx, "PushMessage", 1)
wf.notify(s.Conn().RemotePeer(), messagePush.PubsubTopic, messagePush.WakuMessage)
@ -237,7 +249,7 @@ func (wf *WakuFilterLightnode) Subscribe(ctx context.Context, contentFilter Cont
// FilterSubscription is used to obtain an object from which you could receive messages received via filter protocol
func (wf *WakuFilterLightnode) FilterSubscription(peerID peer.ID, contentFilter ContentFilter) (*SubscriptionDetails, error) {
if !wf.subscriptions.Has(peerID, contentFilter.Topic, contentFilter.ContentTopics) {
if !wf.subscriptions.Has(peerID, contentFilter.Topic, contentFilter.ContentTopics...) {
return nil, errors.New("subscription does not exist")
}

13
waku/v2/protocol/filter/subscriptions_map.go
View File

@ -76,7 +76,18 @@ func (sub *SubscriptionsMap) NewSubscription(peerID peer.ID, topic string, conte
return details
}
func (sub *SubscriptionsMap) Has(peerID peer.ID, topic string, contentTopics []string) bool {
func (sub *SubscriptionsMap) IsSubscribedTo(peerID peer.ID) bool {
sub.RLock()
defer sub.RUnlock()
_, ok := sub.items[peerID]
return ok
}
func (sub *SubscriptionsMap) Has(peerID peer.ID, topic string, contentTopics ...string) bool {
sub.RLock()
defer sub.RUnlock()
// Check if peer exits
peerSubscription, ok := sub.items[peerID]
if !ok {