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lego/challenge/http01/http_challenge.go

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2019-03-11 18:56:48 +02:00
package http01
import (
"fmt"
2019-03-11 18:56:48 +02:00
"github.com/go-acme/lego/acme"
"github.com/go-acme/lego/acme/api"
"github.com/go-acme/lego/challenge"
"github.com/go-acme/lego/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)
}