certificates/db/simple.go

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2019-05-07 18:38:27 +00:00
package db
import (
"crypto/x509"
"sync"
"time"
"github.com/pkg/errors"
)
// ErrNotImplemented is an error returned when an operation is Not Implemented.
var ErrNotImplemented = errors.Errorf("not implemented")
// SimpleDB is a barebones implementation of the DB interface. It is NOT an
// in memory implementation of the DB, but rather the bare minimum of
// functionality that the CA requires to operate securely.
type SimpleDB struct {
usedTokens *sync.Map
}
func newSimpleDB(c *Config) (AuthDB, error) {
db := &SimpleDB{}
db.usedTokens = new(sync.Map)
return db, nil
}
// IsRevoked noop
func (s *SimpleDB) IsRevoked(sn string) (bool, error) {
return false, nil
}
// Revoke returns a "NotImplemented" error.
func (s *SimpleDB) Revoke(rci *RevokedCertificateInfo) error {
return ErrNotImplemented
}
// StoreCertificate returns a "NotImplemented" error.
func (s *SimpleDB) StoreCertificate(crt *x509.Certificate) error {
return ErrNotImplemented
}
type usedToken struct {
UsedAt int64 `json:"ua,omitempty"`
Token string `json:"tok,omitempty"`
}
// UseToken returns a "NotImplemented" error.
func (s *SimpleDB) UseToken(id, tok string) (bool, error) {
if _, ok := s.usedTokens.LoadOrStore(id, &usedToken{
UsedAt: time.Now().Unix(),
Token: tok,
}); ok {
// Token already exists in DB.
return false, nil
}
// Successfully stored token.
return true, nil
}
// Shutdown returns nil
func (s *SimpleDB) Shutdown() error {
return nil
}