key status check: dont error out on the first unexpected answer type

golang/wasm/wrapper_js.go

@@ -137,21 +137,22 @@ func checkKeyStatus(_ js.Value, args []js.Value) any {
  return
  }
 
- for _, rr := range answerKeyRR.Answer {
- answerKey, ok := rr.(*dns.KEY)
- if !ok {
- err = fmt.Errorf("answer is not a KEY type: %T", rr)
- reject.Invoke(jsErr(err))
- return
- }
-
- if answerKey.Flags == key.Key.Flags &&
- answerKey.Protocol == key.Key.Protocol &&
- answerKey.Algorithm == key.Key.Algorithm &&
- answerKey.PublicKey == key.Key.PublicKey {
- keyRRExists = true
+ var answerKey *dns.KEY
+ for i, rr := range answerKeyRR.Answer {
+ var ok bool
+ answerKey, ok = rr.(*dns.KEY)
+ if ok {
  break
  }
+ log.Printf("[DEBUG] answer[%d] is not a KEY type: %T", i, rr)
+ }
+
+ if answerKey != nil &&
+ answerKey.Flags == key.Key.Flags &&
+ answerKey.Protocol == key.Key.Protocol &&
+ answerKey.Algorithm == key.Key.Algorithm &&
+ answerKey.PublicKey == key.Key.PublicKey {
+ keyRRExists = true
  }
 
  // query for submission queue PTR at _signal.zone and submission queue KEY under ._signal.zone
@@ -179,18 +180,19 @@ func checkKeyStatus(_ js.Value, args []js.Value) any {
  return
  }
 
- for _, rr := range answerSignalPtr.Answer {
- ptrRR, ok := rr.(*dns.PTR)
- if !ok {
- err = fmt.Errorf("answer is not a PTR type: %T", rr)
- reject.Invoke(jsErr(err))
- return
- }
-
- if ptrRR.Ptr == signalKeyRRName {
- signalPTRExists = true
+ var ptrRR *dns.PTR
+ for i, rr := range answerSignalPtr.Answer {
+ var ok bool
+ ptrRR, ok = rr.(*dns.PTR)
+ if ok {
  break
  }
+ log.Printf("[DEBUG] answer[%d] is not a PTR type: %T", i, rr)
+ }
+
+ if ptrRR != nil &&
+ ptrRR.Ptr == signalKeyRRName {
+ signalPTRExists = true
  }
 
  resolve.Invoke(map[string]any{