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https://github.com/scsibug/nostr-rs-relay.git
synced 2024-11-09 21:29:06 -05:00
fix: subscription event filtering bugs
Subscriptions properly filter using the authors tag. Petname/keys are correctly filtered (previously the event tags were incorrectly used).
This commit is contained in:
parent
54e6e0e5ce
commit
49598b2c9e
10
src/conn.rs
10
src/conn.rs
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@ -45,15 +45,15 @@ impl ClientConn {
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self.client_id.to_string().chars().take(8).collect()
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}
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/// Find the first subscription identifier that matches the event,
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/// if any do.
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pub fn get_matching_subscription(&self, e: &Event) -> Option<&str> {
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/// Find all matching subscriptions.
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pub fn get_matching_subscriptions(&self, e: &Event) -> Vec<&str> {
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let mut v: Vec<&str> = vec![];
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for (id, sub) in self.subscriptions.iter() {
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if sub.interested_in_event(e) {
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return Some(id);
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v.push(id);
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}
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}
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None
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return v;
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}
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/// Add a new subscription for this connection.
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@ -154,6 +154,11 @@ impl Event {
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pub fn event_tag_match(&self, eventid: &str) -> bool {
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self.get_event_tags().contains(&eventid)
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}
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/// Check if a given event is referenced in an event tag.
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pub fn pubkey_tag_match(&self, pubkey: &str) -> bool {
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self.get_pubkey_tags().contains(&pubkey)
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}
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}
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#[cfg(test)]
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@ -129,16 +129,16 @@ async fn nostr_server(
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Ok(global_event) = bcast_rx.recv() => {
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// an event has been broadcast to all clients
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// first check if there is a subscription for this event.
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let sub_name_opt = conn.get_matching_subscription(&global_event);
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if let Some(sub_name) = sub_name_opt {
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let matching_subs = conn.get_matching_subscriptions(&global_event);
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for s in matching_subs {
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// TODO: serialize at broadcast time, instead of
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// once for each consumer.
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if let Ok(event_str) = serde_json::to_string(&global_event) {
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debug!("sub match: client: {}, sub: {}, event: {}",
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cid, sub_name,
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cid, s,
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global_event.get_event_id_prefix());
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// create an event response and send it
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let res = EventRes(sub_name.to_owned(),event_str);
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let res = EventRes(s.to_owned(),event_str);
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nostr_stream.send(res).await.ok();
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} else {
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warn!("could not convert event to string");
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@ -105,14 +105,18 @@ impl Subscription {
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}
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impl ReqFilter {
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/// Check if this filter either matches, or does not care about an author.
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fn author_match(&self, event: &Event) -> bool {
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/// Check for a match within the authors list.
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// TODO: Ambiguity; what if the array is empty? Should we
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// consider that the same as null?
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fn authors_match(&self, event: &Event) -> bool {
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self.authors
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.as_ref()
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.map(|vs| vs.contains(&event.pubkey.to_owned()))
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.unwrap_or(true)
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&& self
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.author
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}
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/// Check for a specific author match
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fn author_match(&self, event: &Event) -> bool {
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self.author
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.as_ref()
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.map(|v| v == &event.pubkey)
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.unwrap_or(true)
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@ -125,6 +129,15 @@ impl ReqFilter {
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.unwrap_or(true)
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}
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/// Check if this filter either matches, or does not care about
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/// the pubkey/petname tags.
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fn pubkey_match(&self, event: &Event) -> bool {
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self.pubkey
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.as_ref()
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.map(|t| event.pubkey_tag_match(t))
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.unwrap_or(true)
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}
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/// Check if this filter either matches, or does not care about the kind.
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fn kind_match(&self, kind: u64) -> bool {
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self.kind.map(|v| v == kind).unwrap_or(true)
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@ -136,6 +149,8 @@ impl ReqFilter {
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&& self.since.map(|t| event.created_at > t).unwrap_or(true)
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&& self.kind_match(event.kind)
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&& self.author_match(event)
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&& self.authors_match(event)
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&& self.pubkey_match(event)
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&& self.event_match(event)
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}
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}
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