lego/acme/http_challenge.go

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package acme
import (
"fmt"
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"github.com/xenolf/lego/log"
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)
type httpChallenge struct {
jws *jws
validate validateFunc
provider ChallengeProvider
}
// HTTP01ChallengePath returns the URL path for the `http-01` challenge
func HTTP01ChallengePath(token string) string {
return "/.well-known/acme-challenge/" + token
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}
func (s *httpChallenge) Solve(chlng challenge, domain string) error {
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log.Printf("[INFO][%s] acme: Trying to solve HTTP-01", domain)
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// Generate the Key Authorization for the challenge
keyAuth, err := getKeyAuthorization(chlng.Token, s.jws.privKey)
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if err != nil {
return err
}
err = s.provider.Present(domain, chlng.Token, keyAuth)
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if err != nil {
return fmt.Errorf("[%s] error presenting token: %v", domain, err)
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}
defer func() {
err := s.provider.CleanUp(domain, chlng.Token, keyAuth)
if err != nil {
log.Printf("[%s] error cleaning up: %v", domain, err)
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}
}()
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return s.validate(s.jws, domain, chlng.URL, challenge{Type: chlng.Type, Token: chlng.Token, KeyAuthorization: keyAuth})
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}