certificates/authority/provisioner/acme.go
2019-10-14 14:51:37 -07:00

87 lines
2.3 KiB
Go

package provisioner
import (
"context"
"crypto/x509"
"github.com/pkg/errors"
)
// ACME is the acme provisioner type, an entity that can authorize the ACME
// provisioning flow.
type ACME struct {
Type string `json:"type"`
Name string `json:"name"`
Claims *Claims `json:"claims,omitempty"`
claimer *Claimer
}
// GetID returns the provisioner unique identifier.
func (p ACME) GetID() string {
return "acme/" + p.Name
}
// GetTokenID returns the identifier of the token.
func (p *ACME) GetTokenID(ott string) (string, error) {
return "", errors.New("acme provisioner does not implement GetTokenID")
}
// GetName returns the name of the provisioner.
func (p *ACME) GetName() string {
return p.Name
}
// GetType returns the type of provisioner.
func (p *ACME) GetType() Type {
return TypeACME
}
// GetEncryptedKey returns the base provisioner encrypted key if it's defined.
func (p *ACME) GetEncryptedKey() (string, string, bool) {
return "", "", false
}
// Init initializes and validates the fields of a JWK type.
func (p *ACME) Init(config Config) (err error) {
switch {
case p.Type == "":
return errors.New("provisioner type cannot be empty")
case p.Name == "":
return errors.New("provisioner name cannot be empty")
}
// Update claims with global ones
if p.claimer, err = NewClaimer(p.Claims, config.Claims); err != nil {
return err
}
return err
}
// AuthorizeRevoke is not implemented yet for the ACME provisioner.
func (p *ACME) AuthorizeRevoke(token string) error {
return nil
}
// AuthorizeSign validates the given token.
func (p *ACME) AuthorizeSign(ctx context.Context, _ string) ([]SignOption, error) {
if m := MethodFromContext(ctx); m != SignMethod {
return nil, errors.Errorf("unexpected method type %d in context", m)
}
return []SignOption{
// modifiers / withOptions
newProvisionerExtensionOption(TypeACME, p.Name, ""),
profileDefaultDuration(p.claimer.DefaultTLSCertDuration()),
// validators
defaultPublicKeyValidator{},
newValidityValidator(p.claimer.MinTLSCertDuration(), p.claimer.MaxTLSCertDuration()),
}, nil
}
// AuthorizeRenewal is not implemented for the ACME provisioner.
func (p *ACME) AuthorizeRenewal(cert *x509.Certificate) error {
if p.claimer.IsDisableRenewal() {
return errors.Errorf("renew is disabled for provisioner %s", p.GetID())
}
return nil
}