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package challenge
import (
"fmt"
"github.com/go-acme/lego/v4/acme"
)
// Type is a string that identifies a particular challenge type and version of ACME challenge.
type Type string
const (
// HTTP01 is the "http-01" ACME challenge https://www.rfc-editor.org/rfc/rfc8555.html#section-8.3
// Note: ChallengePath returns the URL path to fulfill this challenge.
HTTP01 = Type("http-01")
// DNS01 is the "dns-01" ACME challenge https://www.rfc-editor.org/rfc/rfc8555.html#section-8.4
// Note: GetRecord returns a DNS record which will fulfill this challenge.
DNS01 = Type("dns-01")
// TLSALPN01 is the "tls-alpn-01" ACME challenge https://www.rfc-editor.org/rfc/rfc8737.html
TLSALPN01 = Type("tls-alpn-01")
)
func (t Type) String() string {
return string(t)
}
func FindChallenge(chlgType Type, authz acme.Authorization) (acme.Challenge, error) {
for _, chlg := range authz.Challenges {
if chlg.Type == string(chlgType) {
return chlg, nil
}
}
return acme.Challenge{}, fmt.Errorf("[%s] acme: unable to find challenge %s", GetTargetedDomain(authz), chlgType)
}
func GetTargetedDomain(authz acme.Authorization) string {
if authz.Wildcard {
return "*." + authz.Identifier.Value
}
return authz.Identifier.Value
}
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