Coracle/nostrlib
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khatru: fix possible race condition with authed keys.

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This commit is contained in:
fiatjaf
2025-12-16 13:21:53 -03:00
parent 880b253d12
commit bdef5ac224
1 changed files with 1 additions and 1 deletions
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2
khatru/handlers.go
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@@ -322,8 +322,8 @@ func (rl *Relay) HandleWebsocket(w http.ResponseWriter, r *http.Request) {
case *nostr.AuthEnvelope: case *nostr.AuthEnvelope:
wsBaseUrl := strings.Replace(rl.getBaseURL(r), "http", "ws", 1) wsBaseUrl := strings.Replace(rl.getBaseURL(r), "http", "ws", 1)
if pubkey, err := nip42.ValidateAuthEvent(env.Event, ws.Challenge, wsBaseUrl); err == nil { if pubkey, err := nip42.ValidateAuthEvent(env.Event, ws.Challenge, wsBaseUrl); err == nil {
total := len(ws.AuthedPublicKeys)
ws.authLock.Lock() ws.authLock.Lock()
total := len(ws.AuthedPublicKeys)
if idx := slices.Index(ws.AuthedPublicKeys, pubkey); idx == -1 { if idx := slices.Index(ws.AuthedPublicKeys, pubkey); idx == -1 {
// this public key is not authenticated // this public key is not authenticated
if total < rl.MaxAuthenticatedClients { if total < rl.MaxAuthenticatedClients {