Add used OTT to DB during authToken step

Gopkg.lock

@@ -363,7 +363,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:f1f1df1e19d55a1ef1f0a63633191e7d2a99993c0a17f945c0b9ebd16b17871b"
+  digest = "1:5e778214d472b6d2ad4d544d293d1478d9b222db8ffc6079623fbe3e58e1841e"
   name = "github.com/smallstep/nosql"
   packages = [
     ".",
@@ -373,7 +373,7 @@
     "mysql",
   ]
   pruneopts = "UT"
-  revision = "5a355c598075a346d9ca9b50ec10e3f86ac66148"
+  revision = "b66b34823456721912ba037126e92414690c07d6"
 
 [[projects]]
   branch = "master"

authority/authorize.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/pkg/errors"
 	"github.com/smallstep/certificates/authority/provisioner"
+	"github.com/smallstep/certificates/db"
 	"github.com/smallstep/cli/jose"
 )
 
@@ -72,12 +73,24 @@ func (a *Authority) authorizeToken(ott string) (provisioner.Interface, error) {
 		reuseKey = claims.Nonce
 	}
 	if reuseKey != "" {
+		switch a.db.(type) {
+		case *db.NoopDB:
 			if _, ok := a.ottMap.LoadOrStore(reuseKey, &idUsed{
 				UsedAt:  time.Now().Unix(),
 				Subject: claims.Subject,
 			}); ok {
 				return nil, &apiError{errors.Errorf("authorizeToken: token already used"), http.StatusUnauthorized, errContext}
 			}
+		default:
+			ok, err := a.db.UseToken(reuseKey, ott)
+			if err != nil {
+				return nil, &apiError{errors.Wrap(err, "authorizeToken: failed when checking if token already used"),
+					http.StatusInternalServerError, errContext}
+			}
+			if !ok {
+				return nil, &apiError{errors.Errorf("authorizeToken: token already used"), http.StatusUnauthorized, errContext}
+			}
+		}
 	}
 
 	return p, nil

authority/authorize_test.go

@@ -117,7 +117,7 @@ func TestAuthority_authorizeToken(t *testing.T) {
 					http.StatusUnauthorized, context{"ott": raw}},
 			}
 		},
-		"ok": func(t *testing.T) *authorizeTest {
+		"ok/noopdb": func(t *testing.T) *authorizeTest {
 			cl := jwt.Claims{
 				Subject:   "test.smallstep.com",
 				Issuer:    validIssuer,
@@ -133,7 +133,7 @@ func TestAuthority_authorizeToken(t *testing.T) {
 				ott:  raw,
 			}
 		},
-		"fail/token-already-used": func(t *testing.T) *authorizeTest {
+		"fail/noopdb/token-already-used": func(t *testing.T) *authorizeTest {
 			_a := testAuthority(t)
 
 			cl := jwt.Claims{
@@ -155,6 +155,79 @@ func TestAuthority_authorizeToken(t *testing.T) {
 					http.StatusUnauthorized, context{"ott": raw}},
 			}
 		},
+		"ok/mockNoSQLDB": func(t *testing.T) *authorizeTest {
+			_a := testAuthority(t)
+			_a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return true, nil
+				},
+			}
+
+			cl := jwt.Claims{
+				Subject:   "test.smallstep.com",
+				Issuer:    validIssuer,
+				NotBefore: jwt.NewNumericDate(now),
+				Expiry:    jwt.NewNumericDate(now.Add(time.Minute)),
+				Audience:  validAudience,
+				ID:        "43",
+			}
+			raw, err := jwt.Signed(sig).Claims(cl).CompactSerialize()
+			assert.FatalError(t, err)
+			return &authorizeTest{
+				auth: _a,
+				ott:  raw,
+			}
+		},
+		"fail/mockNoSQLDB/error": func(t *testing.T) *authorizeTest {
+			_a := testAuthority(t)
+			_a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return false, errors.New("force")
+				},
+			}
+
+			cl := jwt.Claims{
+				Subject:   "test.smallstep.com",
+				Issuer:    validIssuer,
+				NotBefore: jwt.NewNumericDate(now),
+				Expiry:    jwt.NewNumericDate(now.Add(time.Minute)),
+				Audience:  validAudience,
+				ID:        "43",
+			}
+			raw, err := jwt.Signed(sig).Claims(cl).CompactSerialize()
+			assert.FatalError(t, err)
+			return &authorizeTest{
+				auth: _a,
+				ott:  raw,
+				err: &apiError{errors.New("authorizeToken: failed when checking if token already used: force"),
+					http.StatusInternalServerError, context{"ott": raw}},
+			}
+		},
+		"fail/mockNoSQLDB/token-already-used": func(t *testing.T) *authorizeTest {
+			_a := testAuthority(t)
+			_a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return false, nil
+				},
+			}
+
+			cl := jwt.Claims{
+				Subject:   "test.smallstep.com",
+				Issuer:    validIssuer,
+				NotBefore: jwt.NewNumericDate(now),
+				Expiry:    jwt.NewNumericDate(now.Add(time.Minute)),
+				Audience:  validAudience,
+				ID:        "43",
+			}
+			raw, err := jwt.Signed(sig).Claims(cl).CompactSerialize()
+			assert.FatalError(t, err)
+			return &authorizeTest{
+				auth: _a,
+				ott:  raw,
+				err: &apiError{errors.New("authorizeToken: token already used"),
+					http.StatusUnauthorized, context{"ott": raw}},
+			}
+		},
 	}
 
 	for name, genTestCase := range tests {

authority/db_test.go

@@ -13,6 +13,7 @@ type MockAuthDB struct {
 	isRevoked        func(string) (bool, error)
 	revoke           func(rci *db.RevokedCertificateInfo) error
 	storeCertificate func(crt *x509.Certificate) error
+	useToken         func(id, tok string) (bool, error)
 	shutdown         func() error
 }
 
@@ -33,6 +34,16 @@ func (m *MockAuthDB) IsRevoked(sn string) (bool, error) {
 	return m.ret1.(bool), m.err
 }
 
+func (m *MockAuthDB) UseToken(id, tok string) (bool, error) {
+	if m.useToken != nil {
+		return m.useToken(id, tok)
+	}
+	if m.ret1 == nil {
+		return false, m.err
+	}
+	return m.ret1.(bool), m.err
+}
+
 func (m *MockAuthDB) Revoke(rci *db.RevokedCertificateInfo) error {
 	if m.revoke != nil {
 		return m.revoke(rci)

authority/tls_test.go

@@ -640,7 +640,12 @@ func TestRevoke(t *testing.T) {
 		},
 		"error/db-revoke": func() test {
 			a := testAuthority(t)
-			a.db = &MockAuthDB{err: errors.New("force")}
+			a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return true, nil
+				},
+				err: errors.New("force"),
+			}
 
 			cl := jwt.Claims{
 				Subject:   "sn",
@@ -671,7 +676,12 @@ func TestRevoke(t *testing.T) {
 		},
 		"error/already-revoked": func() test {
 			a := testAuthority(t)
-			a.db = &MockAuthDB{err: db.ErrAlreadyExists}
+			a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return true, nil
+				},
+				err: db.ErrAlreadyExists,
+			}
 
 			cl := jwt.Claims{
 				Subject:   "sn",
@@ -702,7 +712,11 @@ func TestRevoke(t *testing.T) {
 		},
 		"ok/token": func() test {
 			a := testAuthority(t)
-			a.db = &MockAuthDB{}
+			a.db = &MockAuthDB{
+				useToken: func(id, tok string) (bool, error) {
+					return true, nil
+				},
+			}
 
 			cl := jwt.Claims{
 				Subject:   "sn",

db/db.go

@@ -10,8 +10,9 @@ import (
 )
 
 var (
-	revokedCertsTable = []byte("revoked_x509_certs")
 	certsTable        = []byte("x509_certs")
+	revokedCertsTable = []byte("revoked_x509_certs")
+	usedOTTTable      = []byte("used_ott")
 )
 
 // ErrAlreadyExists can be returned if the DB attempts to set a key that has
@@ -31,6 +32,7 @@ type AuthDB interface {
 	IsRevoked(sn string) (bool, error)
 	Revoke(rci *RevokedCertificateInfo) error
 	StoreCertificate(crt *x509.Certificate) error
+	UseToken(id, tok string) (bool, error)
 	Shutdown() error
 }
 
@@ -126,6 +128,23 @@ func (db *DB) StoreCertificate(crt *x509.Certificate) 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) {
+	// If the error is `Not Found` then the certificate has not been revoked.
+	// Any other error should be propagated to the caller.
+	_, found, err := db.LoadOrStore(usedOTTTable, []byte(id), []byte(tok))
+	switch {
+	case err != nil:
+		return false, errors.Wrapf(err, "error LoadOrStore-ing token %s/%s",
+			string(usedOTTTable), id)
+	case found:
+		return false, nil
+	default:
+		return true, nil
+	}
+}
+
 // Shutdown sends a shutdown message to the database.
 func (db *DB) Shutdown() error {
 	if db.isUp {

db/db_test.go

@@ -20,6 +20,17 @@ type MockNoSQLDB struct {
 	del         func(bucket, key []byte) error
 	list        func(bucket []byte) ([]*database.Entry, error)
 	update      func(tx *database.Tx) error
+	loadOrStore func(bucket, key, value []byte) ([]byte, bool, error)
+}
+
+func (m *MockNoSQLDB) LoadOrStore(bucket, key, value []byte) ([]byte, bool, error) {
+	if m.get != nil {
+		return m.loadOrStore(bucket, key, value)
+	}
+	if m.ret1 == nil {
+		return nil, false, m.err
+	}
+	return m.ret1.([]byte), m.ret2.(bool), m.err
 }
 
 func (m *MockNoSQLDB) Get(bucket, key []byte) ([]byte, error) {
@@ -188,3 +199,66 @@ func TestRevoke(t *testing.T) {
 		})
 	}
 }
+
+func TestUseToken(t *testing.T) {
+	type result struct {
+		err error
+		ok  bool
+	}
+	tests := map[string]struct {
+		id, tok string
+		db      *DB
+		want    result
+	}{
+		"fail/force-LoadOrStore-error": {
+			id:  "id",
+			tok: "token",
+			db: &DB{&MockNoSQLDB{
+				loadOrStore: func(bucket, key, value []byte) ([]byte, bool, error) {
+					return nil, false, errors.New("force")
+				},
+			}, true},
+			want: result{
+				ok:  false,
+				err: errors.New("error LoadOrStore-ing token id/token"),
+			},
+		},
+		"fail/LoadOrStore-found": {
+			id:  "id",
+			tok: "token",
+			db: &DB{&MockNoSQLDB{
+				loadOrStore: func(bucket, key, value []byte) ([]byte, bool, error) {
+					return []byte("foo"), true, nil
+				},
+			}, true},
+			want: result{
+				ok: false,
+			},
+		},
+		"ok/LoadOrStore-not-found": {
+			id:  "id",
+			tok: "token",
+			db: &DB{&MockNoSQLDB{
+				loadOrStore: func(bucket, key, value []byte) ([]byte, bool, error) {
+					return nil, false, nil
+				},
+			}, true},
+			want: result{
+				ok: true,
+			},
+		},
+	}
+	for name, tc := range tests {
+		t.Run(name, func(t *testing.T) {
+			ok, err := tc.db.UseToken(tc.id, tc.tok)
+			if err != nil {
+				if assert.NotNil(t, tc.want.err) {
+					assert.HasPrefix(t, tc.want.err.Error(), err.Error())
+				}
+				assert.False(t, ok)
+			} else {
+				assert.True(t, ok)
+			}
+		})
+	}
+}

db/noop.go

@@ -32,6 +32,11 @@ func (n *NoopDB) StoreCertificate(crt *x509.Certificate) error {
 	return ErrNotImplemented
 }
 
+// UseToken returns a "NotImplemented" error.
+func (n *NoopDB) UseToken(id, tok string) (bool, error) {
+	return false, ErrNotImplemented
+}
+
 // Shutdown returns nil
 func (n *NoopDB) Shutdown() error {
 	return nil