package http01 import ( "fmt" "github.com/go-acme/lego/v3/acme" "github.com/go-acme/lego/v3/acme/api" "github.com/go-acme/lego/v3/challenge" "github.com/go-acme/lego/v3/log" ) type ValidateFunc func(core *api.Core, domain string, chlng acme.Challenge) error // ChallengePath returns the URL path for the `http-01` challenge func ChallengePath(token string) string { return "/.well-known/acme-challenge/" + token } type Challenge struct { core *api.Core validate ValidateFunc provider challenge.Provider } func NewChallenge(core *api.Core, validate ValidateFunc, provider challenge.Provider) *Challenge { return &Challenge{ core: core, validate: validate, provider: provider, } } func (c *Challenge) SetProvider(provider challenge.Provider) { c.provider = provider } func (c *Challenge) Solve(authz acme.Authorization) error { domain := challenge.GetTargetedDomain(authz) log.Infof("[%s] acme: Trying to solve HTTP-01", domain) chlng, err := challenge.FindChallenge(challenge.HTTP01, authz) if err != nil { return err } // Generate the Key Authorization for the challenge keyAuth, err := c.core.GetKeyAuthorization(chlng.Token) if err != nil { return err } err = c.provider.Present(authz.Identifier.Value, chlng.Token, keyAuth) if err != nil { return fmt.Errorf("[%s] acme: error presenting token: %v", domain, err) } defer func() { err := c.provider.CleanUp(authz.Identifier.Value, chlng.Token, keyAuth) if err != nil { log.Warnf("[%s] acme: error cleaning up: %v", domain, err) } }() chlng.KeyAuthorization = keyAuth return c.validate(c.core, domain, chlng) }