98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package provisioner
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import (
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"context"
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"time"
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"github.com/pkg/errors"
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)
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// SCEP is the SCEP provisioner type, an entity that can authorize the
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// SCEP provisioning flow
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type SCEP struct {
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*base
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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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Options *Options `json:"options,omitempty"`
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Claims *Claims `json:"claims,omitempty"`
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claimer *Claimer
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}
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// GetID returns the provisioner unique identifier.
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func (s SCEP) GetID() string {
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return "scep/" + s.Name
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}
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// GetName returns the name of the provisioner.
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func (s *SCEP) GetName() string {
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return s.Name
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}
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// GetType returns the type of provisioner.
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func (s *SCEP) GetType() Type {
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return TypeSCEP
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}
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// GetEncryptedKey returns the base provisioner encrypted key if it's defined.
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func (s *SCEP) GetEncryptedKey() (string, string, bool) {
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return "", "", false
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}
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// GetTokenID returns the identifier of the token.
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func (s *SCEP) GetTokenID(ott string) (string, error) {
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return "", errors.New("scep provisioner does not implement GetTokenID")
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}
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// GetOptions returns the configured provisioner options.
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func (s *SCEP) GetOptions() *Options {
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return s.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 (s *SCEP) DefaultTLSCertDuration() time.Duration {
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return s.claimer.DefaultTLSCertDuration()
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}
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// Init initializes and validates the fields of a SCEP type.
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func (s *SCEP) Init(config Config) (err error) {
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switch {
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case s.Type == "":
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return errors.New("provisioner type cannot be empty")
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case s.Name == "":
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return errors.New("provisioner name cannot be empty")
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}
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// Update claims with global ones
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if s.claimer, err = NewClaimer(s.Claims, config.Claims); err != nil {
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return err
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}
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// TODO: add other, SCEP specific, options?
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return err
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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 SCEP protocol. This method returns a list of modifiers / constraints
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// on the resulting certificate.
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func (s *SCEP) AuthorizeSign(ctx context.Context, token string) ([]SignOption, error) {
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return []SignOption{
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// modifiers / withOptions
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newProvisionerExtensionOption(TypeSCEP, s.Name, ""),
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newForceCNOption(s.ForceCN),
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profileDefaultDuration(s.claimer.DefaultTLSCertDuration()),
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// validators
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defaultPublicKeyValidator{},
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newValidityValidator(s.claimer.MinTLSCertDuration(), s.claimer.MaxTLSCertDuration()),
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}, nil
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}
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// Interface guards
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var (
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_ Interface = (*SCEP)(nil)
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//_ scep.Provisioner = (*SCEP)(nil)
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)
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