forked from TrueCloudLab/certificates
121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
package nosql
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import (
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"context"
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"crypto/x509"
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"encoding/json"
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"encoding/pem"
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"time"
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"github.com/pkg/errors"
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"github.com/smallstep/nosql"
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)
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type dbCert struct {
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ID string `json:"id"`
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Created time.Time `json:"created"`
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AccountID string `json:"accountID"`
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OrderID string `json:"orderID"`
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Leaf []byte `json:"leaf"`
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Intermediates []byte `json:"intermediates"`
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}
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// CreateCertificate creates and stores an ACME certificate type.
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func (db *DB) CreateCertificate(ctx context.Context, cert *Certificate) error {
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cert.id, err = randID()
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if err != nil {
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return err
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}
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leaf := pem.EncodeToMemory(&pem.Block{
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Type: "CERTIFICATE",
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Bytes: ops.Leaf.Raw,
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})
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var intermediates []byte
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for _, cert := range ops.Intermediates {
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intermediates = append(intermediates, pem.EncodeToMemory(&pem.Block{
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Type: "CERTIFICATE",
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Bytes: cert.Raw,
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})...)
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}
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cert := &dbCert{
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ID: cert.ID,
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AccountID: cert.AccountID,
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OrderID: cert.OrderID,
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Leaf: leaf,
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Intermediates: intermediates,
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Created: time.Now().UTC(),
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}
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return db.save(ctx, cert.ID, cert, nil, "certificate", certTable)
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}
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// GetCertificate retrieves and unmarshals an ACME certificate type from the
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// datastore.
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func (db *DB) GetCertificate(ctx context.Context, id string) (*Certificate, error) {
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b, err := db.db.Get(certTable, []byte(id))
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if nosql.IsErrNotFound(err) {
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return nil, MalformedErr(errors.Wrapf(err, "certificate %s not found", id))
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} else if err != nil {
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return nil, ServerInternalErr(errors.Wrap(err, "error loading certificate"))
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}
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var dbCert certificate
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if err := json.Unmarshal(b, &dbCert); err != nil {
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return nil, ServerInternalErr(errors.Wrap(err, "error unmarshaling certificate"))
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}
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leaf, err := parseCert(dbCert.Leaf)
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if err != nil {
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return nil, ServerInternalErr(errors.Wrapf("error parsing leaf of ACME Certificate with ID '%s'", id))
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}
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intermediates, err := parseBundle(dbCert.Intermediates)
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if err != nil {
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return nil, ServerInternalErr(errors.Wrapf("error parsing intermediate bundle of ACME Certificate with ID '%s'", id))
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}
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return &Certificate{
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ID: dbCert.ID,
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AccountID: dbCert.AccountID,
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OrderID: dbCert.OrderID,
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Leaf: leaf,
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Intermediates: intermediate,
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}
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}
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func parseCert(b []byte) (*x509.Certificate, error) {
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block, rest := pem.Decode(dbCert.Leaf)
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if block == nil || len(rest) > 0 {
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return nil, errors.New("error decoding PEM block: contains unexpected data")
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}
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if block.Type != "CERTIFICATE" {
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return nil, errors.New("error decoding PEM: block is not a certificate bundle")
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}
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var crt *x509.Certificate
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crt, err = x509.ParseCertificate(block.Bytes)
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}
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func parseBundle(b []byte) ([]*x509.Certificate, error) {
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var block *pem.Block
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var bundle []*x509.Certificate
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for len(b) > 0 {
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block, b = pem.Decode(b)
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if block == nil {
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break
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}
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if block.Type != "CERTIFICATE" {
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return nil, errors.Errorf("error decoding PEM: file '%s' is not a certificate bundle", filename)
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}
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var crt *x509.Certificate
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crt, err = x509.ParseCertificate(block.Bytes)
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if err != nil {
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return nil, errors.Wrapf(err, "error parsing %s", filename)
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}
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bundle = append(bundle, crt)
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}
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if len(b) > 0 {
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return nil, errors.Errorf("error decoding PEM: file '%s' contains unexpected data", filename)
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}
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return bundle, nil
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}
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