package challenge import ( "fmt" "github.com/go-acme/lego/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://tools.ietf.org/html/draft-ietf-acme-acme-16#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://tools.ietf.org/html/draft-ietf-acme-acme-16#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://tools.ietf.org/html/draft-ietf-acme-tls-alpn-05 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 }