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