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Only listen for HTTP challenge when needed. #58

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Only listen for HTTP challenge when needed. #58

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14 changes: 7 additions & 7 deletions cert.go
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Original file line number Diff line number Diff line change
Expand Up @@ -167,13 +167,6 @@ func authz(ctx context.Context, client *acme.Client, domain string) error {
return errors.New("no supported challenge found")
}

// respond to http-01 challenge
ln, err := net.Listen("tcp", certAddr)
if err != nil {
return fmt.Errorf("listen %s: %v", certAddr, err)
}
defer ln.Close()

switch {
case certManual:
// manual challenge response
Expand All @@ -199,6 +192,13 @@ func authz(ctx context.Context, client *acme.Client, domain string) error {
var x string
fmt.Scanln(&x)
default:
// listen for http-01 challenge
ln, err := net.Listen("tcp", certAddr)
if err != nil {
return fmt.Errorf("listen %s: %v", certAddr, err)
}
defer ln.Close()

// auto, via local server
val, err := client.HTTP01ChallengeResponse(chal.Token)
if err != nil {
Expand Down