package acme import "github.com/go-acme/lego/v3/challenge" // Option (or Options) are passed to New() to configure providers type Option func(o *Options) // Options represents various options you can present to ACME providers type Options struct { // AcceptTLS must be set to true to indicate that you have read your // provider's terms of service. AcceptToS bool // CA is the CA to use CA string // ChallengeProvider is a go-acme/lego challenge provider. Set this if you // want to use DNS Challenges. Otherwise, tls-alpn-01 will be used ChallengeProvider challenge.Provider // Issue certificates for domains on demand. Otherwise, certs will be // retrieved / issued on start-up. OnDemand bool // Cache is a storage interface. Most ACME libraries have an cache, but // there's no defined interface, so if you consume this option // sanity check it before using. Cache interface{} } // AcceptToS indicates whether you accept your CA's terms of service func AcceptToS(b bool) Option { return func(o *Options) { o.AcceptToS = b } } // CA sets the CA of an acme.Options func CA(CA string) Option { return func(o *Options) { o.CA = CA } } // ChallengeProvider sets the Challenge provider of an acme.Options // if set, it enables the DNS challenge, otherwise tls-alpn-01 will be used. func ChallengeProvider(p challenge.Provider) Option { return func(o *Options) { o.ChallengeProvider = p } } // OnDemand enables on-demand certificate issuance. Not recommended for use // with the DNS challenge, as the first connection may be very slow. func OnDemand(b bool) Option { return func(o *Options) { o.OnDemand = b } } // Cache provides a cache / storage interface to the underlying ACME library // as there is no standard, this needs to be validated by the underlying // implentation. func Cache(c interface{}) Option { return func(o *Options) { o.Cache = c } } // DefaultOptions uses the Let's Encrypt Production CA, with DNS Challenge disabled. func DefaultOptions() Options { return Options{ AcceptToS: true, CA: LetsEncryptProductionCA, OnDemand: true, } }