118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
package provisioner
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import (
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"context"
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"crypto/x509"
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"time"
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"github.com/pkg/errors"
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)
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// ACME is the acme provisioner type, an entity that can authorize the ACME
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// provisioning flow.
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type ACME struct {
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*base
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ID string `json:"-"`
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Type string `json:"type"`
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Name string `json:"name"`
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ForceCN bool `json:"forceCN,omitempty"`
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// RequireEAB makes the provisioner require ACME EAB to be provided
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// by clients when creating a new Account. If set to true, the provided
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// EAB will be verified. If set to false and an EAB is provided, it is
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// not verified. Defaults to false.
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RequireEAB bool `json:"requireEAB,omitempty"`
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Claims *Claims `json:"claims,omitempty"`
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Options *Options `json:"options,omitempty"`
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ctl *Controller
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}
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// GetID returns the provisioner unique identifier.
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func (p ACME) GetID() string {
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if p.ID != "" {
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return p.ID
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}
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return p.GetIDForToken()
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}
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// GetIDForToken returns an identifier that will be used to load the provisioner
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// from a token.
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func (p *ACME) GetIDForToken() string {
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return "acme/" + p.Name
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}
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// GetTokenID returns the identifier of the token.
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func (p *ACME) GetTokenID(ott string) (string, error) {
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return "", errors.New("acme provisioner does not implement GetTokenID")
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}
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// GetName returns the name of the provisioner.
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func (p *ACME) GetName() string {
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return p.Name
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}
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// GetType returns the type of provisioner.
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func (p *ACME) GetType() Type {
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return TypeACME
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}
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// GetEncryptedKey returns the base provisioner encrypted key if it's defined.
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func (p *ACME) GetEncryptedKey() (string, string, bool) {
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return "", "", false
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}
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// GetOptions returns the configured provisioner options.
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func (p *ACME) GetOptions() *Options {
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return p.Options
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}
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// DefaultTLSCertDuration returns the default TLS cert duration enforced by
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// the provisioner.
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func (p *ACME) DefaultTLSCertDuration() time.Duration {
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return p.ctl.Claimer.DefaultTLSCertDuration()
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}
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// Init initializes and validates the fields of a JWK type.
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func (p *ACME) Init(config Config) (err error) {
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switch {
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case p.Type == "":
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return errors.New("provisioner type cannot be empty")
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case p.Name == "":
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return errors.New("provisioner name cannot be empty")
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}
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p.ctl, err = NewController(p, p.Claims, config)
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return
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}
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// AuthorizeSign does not do any validation, because all validation is handled
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// in the ACME protocol. This method returns a list of modifiers / constraints
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// on the resulting certificate.
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func (p *ACME) AuthorizeSign(ctx context.Context, token string) ([]SignOption, error) {
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return []SignOption{
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p,
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// modifiers / withOptions
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newProvisionerExtensionOption(TypeACME, p.Name, ""),
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newForceCNOption(p.ForceCN),
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profileDefaultDuration(p.ctl.Claimer.DefaultTLSCertDuration()),
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// validators
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defaultPublicKeyValidator{},
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newValidityValidator(p.ctl.Claimer.MinTLSCertDuration(), p.ctl.Claimer.MaxTLSCertDuration()),
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}, nil
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}
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// AuthorizeRevoke is called just before the certificate is to be revoked by
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// the CA. It can be used to authorize revocation of a certificate. It
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// currently is a no-op.
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// TODO(hs): add configuration option that toggles revocation? Or change function signature to make it more useful?
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// Or move certain logic out of the Revoke API to here? Would likely involve some more stuff in the ctx.
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func (p *ACME) AuthorizeRevoke(ctx context.Context, token string) error {
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return nil
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}
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// AuthorizeRenew returns an error if the renewal is disabled.
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// NOTE: This method does not actually validate the certificate or check it's
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// revocation status. Just confirms that the provisioner that created the
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// certificate was configured to allow renewals.
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func (p *ACME) AuthorizeRenew(ctx context.Context, cert *x509.Certificate) error {
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return p.ctl.AuthorizeRenew(ctx, cert)
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}
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