Store in the db the provisioner that granted a cert.

db/db.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
+	"github.com/smallstep/certificates/authority/provisioner"
 	"github.com/smallstep/nosql"
 	"github.com/smallstep/nosql/database"
 	"golang.org/x/crypto/ssh"
@@ -15,6 +16,7 @@ import (
 
 var (
 	certsTable              = []byte("x509_certs")
+	certsToProvisionerTable = []byte("x509_certs_provisioner")
 	revokedCertsTable       = []byte("revoked_x509_certs")
 	revokedSSHCertsTable    = []byte("revoked_ssh_certs")
 	usedOTTTable            = []byte("used_ott")
@@ -82,7 +84,7 @@ func New(c *Config) (AuthDB, error) {
 	tables := [][]byte{
 		revokedCertsTable, certsTable, usedOTTTable,
 		sshCertsTable, sshHostsTable, sshHostPrincipalsTable, sshUsersTable,
-		revokedSSHCertsTable,
+		revokedSSHCertsTable, certsToProvisionerTable,
 	}
 	for _, b := range tables {
 		if err := db.CreateTable(b); err != nil {
@@ -210,6 +212,36 @@ func (db *DB) StoreCertificate(crt *x509.Certificate) error {
 	return nil
 }
 
+type certsToProvionersData struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+	Type string `json:"type"`
+}
+
+// StoreCertificateChain stores the leaf certificate and the provisioner that
+// authorized the certificate.
+func (d *DB) StoreCertificateChain(p provisioner.Interface, chain ...*x509.Certificate) error {
+	leaf := chain[0]
+	if err := d.StoreCertificate(leaf); err != nil {
+		return err
+	}
+	if p != nil {
+		b, err := json.Marshal(certsToProvionersData{
+			ID:   p.GetID(),
+			Name: p.GetName(),
+			Type: p.GetType().String(),
+		})
+		if err != nil {
+			return errors.Wrap(err, "error marshaling json")
+		}
+
+		if err := d.Set(certsToProvisionerTable, []byte(leaf.SerialNumber.String()), b); err != nil {
+			return errors.Wrap(err, "database Set error")
+		}
+	}
+	return nil
+}
+
 // UseToken returns true if we were able to successfully store the token for
 // for the first time, false otherwise.
 func (db *DB) UseToken(id, tok string) (bool, error) {

db/db_test.go

@@ -1,10 +1,14 @@
 package db
 
 import (
+	"crypto/x509"
 	"errors"
+	"math/big"
 	"testing"
 
 	"github.com/smallstep/assert"
+	"github.com/smallstep/certificates/authority/provisioner"
+	"github.com/smallstep/nosql"
 	"github.com/smallstep/nosql/database"
 )
 
@@ -158,3 +162,87 @@ func TestUseToken(t *testing.T) {
 		})
 	}
 }
+
+func TestDB_StoreCertificateChain(t *testing.T) {
+	p := &provisioner.JWK{
+		ID:   "some-id",
+		Name: "admin",
+		Type: "JWK",
+	}
+	chain := []*x509.Certificate{
+		{Raw: []byte("the certificate"), SerialNumber: big.NewInt(1234)},
+	}
+	type fields struct {
+		DB   nosql.DB
+		isUp bool
+	}
+	type args struct {
+		p     provisioner.Interface
+		chain []*x509.Certificate
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		{"ok", fields{&MockNoSQLDB{
+			MSet: func(bucket, key, value []byte) error {
+				switch string(bucket) {
+				case "x509_certs":
+					assert.Equals(t, key, []byte("1234"))
+					assert.Equals(t, value, []byte("the certificate"))
+				case "x509_certs_provisioner":
+					assert.Equals(t, key, []byte("1234"))
+					assert.Equals(t, value, []byte(`{"id":"some-id","name":"admin","type":"JWK"}`))
+				default:
+					t.Errorf("unexpected bucket %s", bucket)
+				}
+				return nil
+			},
+		}, true}, args{p, chain}, false},
+		{"ok no provisioner", fields{&MockNoSQLDB{
+			MSet: func(bucket, key, value []byte) error {
+				switch string(bucket) {
+				case "x509_certs":
+					assert.Equals(t, key, []byte("1234"))
+					assert.Equals(t, value, []byte("the certificate"))
+				default:
+					t.Errorf("unexpected bucket %s", bucket)
+				}
+				return nil
+			},
+		}, true}, args{nil, chain}, false},
+		{"fail store certificate", fields{&MockNoSQLDB{
+			MSet: func(bucket, key, value []byte) error {
+				switch string(bucket) {
+				case "x509_certs":
+					return errors.New("test error")
+				default:
+					return nil
+				}
+			},
+		}, true}, args{p, chain}, true},
+		{"fail store provisioner", fields{&MockNoSQLDB{
+			MSet: func(bucket, key, value []byte) error {
+				switch string(bucket) {
+				case "x509_certs_provisioner":
+					return errors.New("test error")
+				default:
+					return nil
+				}
+			},
+		}, true}, args{p, chain}, true},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			d := &DB{
+				DB:   tt.fields.DB,
+				isUp: tt.fields.isUp,
+			}
+			if err := d.StoreCertificateChain(tt.args.p, tt.args.chain...); (err != nil) != tt.wantErr {
+				t.Errorf("DB.StoreCertificateChain() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}