Merge branch 'release/0.7.6'

CHANGELOG.md

@@ -1,6 +1,26 @@
 # Changelog
 This is the changelog for NeoFS-API-Go
 
+## [0.7.6] - 2020-05-19
+
+### Added
+
+- `session.PublicSessionToken` function for session public key bytes receiving.
+- The implementation of `service.DataWithSignKeyAccumulator` methods on `object.IntegrityHeader`.
+
+### Changed
+
+- The implementation of `AddSignKey` method on `service.signedSessionToken` structure.
+- `session.PrivateTOken` interface methods group.
+
+### Removed
+
+- `OwnerKey` from `service.SessionToken` signed payload.
+
+### Fixed
+
+- Incorrect `object.HeadRequest.ReadSignedData` method implementation.
+
 ## [0.7.5] - 2020-05-16
 
 ### Added
@@ -305,3 +325,4 @@ Initial public release
 [0.7.1]: https://github.com/nspcc-dev/neofs-api-go/compare/v0.7.0...v0.7.1
 [0.7.4]: https://github.com/nspcc-dev/neofs-api-go/compare/v0.7.1...v0.7.4
 [0.7.5]: https://github.com/nspcc-dev/neofs-api-go/compare/v0.7.4...v0.7.5
+[0.7.6]: https://github.com/nspcc-dev/neofs-api-go/compare/v0.7.5...v0.7.6

object/sign.go

@@ -1,6 +1,7 @@
 package object
 
 import (
+	"crypto/ecdsa"
 	"encoding/binary"
 	"io"
 
@@ -82,6 +83,8 @@ func (m HeadRequest) ReadSignedData(p []byte) (int, error) {
 
 	if m.GetFullHeaders() {
 		p[0] = 1
+	} else {
+		p[0] = 0
 	}
 
 	off := 1
@@ -257,3 +260,13 @@ func addressSize(addr Address) int {
 func addressBytes(addr Address) []byte {
 	return append(addr.CID.Bytes(), addr.ObjectID.Bytes()...)
 }
+
+// SignedData returns the result of the ChecksumSignature field getter.
+func (m IntegrityHeader) SignedData() ([]byte, error) {
+	return m.GetHeadersChecksum(), nil
+}
+
+// AddSignKey calls the ChecksumSignature field setter with signature argument.
+func (m *IntegrityHeader) AddSignKey(sign []byte, _ *ecdsa.PublicKey) {
+	m.SetSignature(sign)
+}

object/sign_test.go

@@ -1,6 +1,7 @@
 package object
 
 import (
+	"crypto/rand"
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/service"
@@ -187,3 +188,52 @@ func TestSignVerifyRequests(t *testing.T) {
 		}
 	}
 }
+
+func TestHeadRequest_ReadSignedData(t *testing.T) {
+	t.Run("full headers", func(t *testing.T) {
+		req := new(HeadRequest)
+
+		// unset FullHeaders flag
+		req.SetFullHeaders(false)
+
+		// allocate two different buffers for reading
+		buf1 := testData(t, req.SignedDataSize())
+		buf2 := testData(t, req.SignedDataSize())
+
+		// read to both buffers
+		n1, err := req.ReadSignedData(buf1)
+		require.NoError(t, err)
+
+		n2, err := req.ReadSignedData(buf2)
+		require.NoError(t, err)
+
+		require.Equal(t, buf1[:n1], buf2[:n2])
+	})
+}
+
+func testData(t *testing.T, sz int) []byte {
+	data := make([]byte, sz)
+
+	_, err := rand.Read(data)
+	require.NoError(t, err)
+
+	return data
+}
+
+func TestIntegrityHeaderSignMethods(t *testing.T) {
+	// create new IntegrityHeader
+	s := new(IntegrityHeader)
+
+	// set test headers checksum
+	s.SetHeadersChecksum([]byte{1, 2, 3})
+
+	data, err := s.SignedData()
+	require.NoError(t, err)
+	require.Equal(t, data, s.GetHeadersChecksum())
+
+	// add signature
+	sig := []byte{4, 5, 6}
+	s.AddSignKey(sig, nil)
+
+	require.Equal(t, sig, s.GetSignature())
+}

object/types.go

@@ -386,3 +386,23 @@ func Stringify(dst io.Writer, obj *Object) error {
 
 	return nil
 }
+
+// SetFullHeaders is a FullHeaders field setter.
+func (m *HeadRequest) SetFullHeaders(v bool) {
+	m.FullHeaders = v
+}
+
+// GetSignature is a ChecksumSignature field getter.
+func (m IntegrityHeader) GetSignature() []byte {
+	return m.ChecksumSignature
+}
+
+// SetSignature is a ChecksumSignature field setter.
+func (m *IntegrityHeader) SetSignature(v []byte) {
+	m.ChecksumSignature = v
+}
+
+// SetHeadersChecksum is a HeadersChecksum field setter.
+func (m *IntegrityHeader) SetHeadersChecksum(v []byte) {
+	m.HeadersChecksum = v
+}

object/types_test.go

@@ -199,3 +199,23 @@ func TestObject_Copy(t *testing.T) {
 		require.Equal(t, token, h.GetValue().(*Header_Token).Token)
 	})
 }
+
+func TestIntegrityHeaderGettersSetters(t *testing.T) {
+	t.Run("headers checksum", func(t *testing.T) {
+		data := []byte{1, 2, 3}
+
+		v := new(IntegrityHeader)
+
+		v.SetHeadersChecksum(data)
+		require.Equal(t, data, v.GetHeadersChecksum())
+	})
+
+	t.Run("headers checksum", func(t *testing.T) {
+		data := []byte{1, 2, 3}
+
+		v := new(IntegrityHeader)
+
+		v.SetSignature(data)
+		require.Equal(t, data, v.GetSignature())
+	})
+}

service/token.go

@@ -6,6 +6,7 @@ import (
 	"io"
 
 	"github.com/nspcc-dev/neofs-api-go/refs"
+	crypto "github.com/nspcc-dev/neofs-crypto"
 )
 
 type signAccumWithToken struct {
@@ -125,10 +126,14 @@ func (x Token_Info_Verb) Bytes() []byte {
 	return data
 }
 
-// AddSignKey calls a Signature field setter of token with passed signature.
-func (s signedSessionToken) AddSignKey(sig []byte, _ *ecdsa.PublicKey) {
+// AddSignKey calls a Signature field setter and an OwnerKey field setter with corresponding arguments.
+func (s signedSessionToken) AddSignKey(sig []byte, key *ecdsa.PublicKey) {
 	if s.SessionToken != nil {
 		s.SessionToken.SetSignature(sig)
+
+		s.SessionToken.SetOwnerKey(
+			crypto.MarshalPublicKey(key),
+		)
 	}
 }
 
@@ -174,11 +179,11 @@ func NewVerifiedSessionToken(token SessionToken) DataWithSignature {
 	}
 }
 
-func tokenInfoSize(v SessionTokenInfo) int {
+func tokenInfoSize(v SessionKeySource) int {
 	if v == nil {
 		return 0
 	}
-	return fixedTokenDataSize + len(v.GetSessionKey()) + len(v.GetOwnerKey())
+	return fixedTokenDataSize + len(v.GetSessionKey())
 }
 
 // Fills passed buffer with signing token information bytes.
@@ -208,9 +213,7 @@ func copyTokenSignedData(buf []byte, token SessionTokenInfo) {
 	tokenEndianness.PutUint64(buf[off:], token.ExpirationEpoch())
 	off += 8
 
-	off += copy(buf[off:], token.GetSessionKey())
-
-	copy(buf[off:], token.GetOwnerKey())
+	copy(buf[off:], token.GetSessionKey())
 }
 
 // SignedData concatenates signed data with session token information. Returns concatenation result.

service/token_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/nspcc-dev/neofs-api-go/refs"
+	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/nspcc-dev/neofs-crypto/test"
 	"github.com/stretchr/testify/require"
 )
@@ -77,16 +78,6 @@ func TestTokenGettersSetters(t *testing.T) {
 		require.Equal(t, key, tok.GetSessionKey())
 	}
 
-	{
-		key := make([]byte, 10)
-		_, err := rand.Read(key)
-		require.NoError(t, err)
-
-		tok.SetOwnerKey(key)
-
-		require.Equal(t, key, tok.GetOwnerKey())
-	}
-
 	{ // Signature
 		sig := make([]byte, 10)
 		_, err := rand.Read(sig)
@@ -136,11 +127,6 @@ func TestSignToken(t *testing.T) {
 	require.NoError(t, err)
 	token.SetSessionKey(sessionKey)
 
-	ownerKey := make([]byte, 10)
-	_, err = rand.Read(ownerKey[:])
-	require.NoError(t, err)
-	token.SetOwnerKey(ownerKey)
-
 	signedToken := NewSignedSessionToken(token)
 	verifiedToken := NewVerifiedSessionToken(token)
 
@@ -226,18 +212,6 @@ func TestSignToken(t *testing.T) {
 				token.SetSessionKey(sessionKey)
 			},
 		},
-		{ // Owner key
-			corrupt: func() {
-				ownerKey := token.GetOwnerKey()
-				ownerKey[0]++
-				token.SetOwnerKey(ownerKey)
-			},
-			restore: func() {
-				ownerKey := token.GetOwnerKey()
-				ownerKey[0]--
-				token.SetOwnerKey(ownerKey)
-			},
-		},
 	}
 
 	for _, v := range items {
@@ -247,3 +221,28 @@ func TestSignToken(t *testing.T) {
 		require.NoError(t, VerifySignatureWithKey(pk, verifiedToken))
 	}
 }
+
+func TestSignedSessionToken_AddSignKey(t *testing.T) {
+	// nil SessionToken
+	s := new(signedSessionToken)
+
+	require.NotPanics(t, func() {
+		s.AddSignKey(nil, nil)
+	})
+
+	// create test public key and signature
+	pk := &test.DecodeKey(0).PublicKey
+	sig := []byte{1, 2, 3}
+
+	s.SessionToken = new(Token)
+
+	// add key-signature pair to SessionToken
+	s.AddSignKey(sig, pk)
+
+	require.Equal(t, sig, s.GetSignature())
+
+	require.Equal(t,
+		crypto.MarshalPublicKey(pk),
+		s.GetOwnerKey(),
+	)
+}

session/errors.go

@@ -13,3 +13,7 @@ const ErrNilGPRCClientConn = internal.Error("gRPC client connection is nil")
 // ErrPrivateTokenNotFound is returned when addressed private token was
 // not found in storage.
 const ErrPrivateTokenNotFound = internal.Error("private token not found")
+
+// ErrNilPrivateToken is returned by functions that expect a non-nil
+// PrivateToken, but received nil.
+const ErrNilPrivateToken = internal.Error("private token is nil")

session/private.go

@@ -30,14 +30,26 @@ func NewPrivateToken(validUntil uint64) (PrivateToken, error) {
 	}, nil
 }
 
-// Sign signs data with session private key.
-func (t *pToken) Sign(data []byte) ([]byte, error) {
-	return crypto.Sign(t.sessionKey, data)
+// PublicSessionToken returns a binary representation of session public key.
+//
+// If passed PrivateToken is nil, ErrNilPrivateToken returns.
+// If passed PrivateToken carries nil private key, crypto.ErrEmptyPrivateKey returns.
+func PublicSessionToken(pToken PrivateToken) ([]byte, error) {
+	if pToken == nil {
+		return nil, ErrNilPrivateToken
+	}
+
+	sk := pToken.PrivateKey()
+	if sk == nil {
+		return nil, crypto.ErrEmptyPrivateKey
+	}
+
+	return crypto.MarshalPublicKey(&sk.PublicKey), nil
 }
 
-// PublicKey returns a binary representation of the session public key.
-func (t *pToken) PublicKey() []byte {
-	return crypto.MarshalPublicKey(&t.sessionKey.PublicKey)
+// PrivateKey is a session private key getter.
+func (t *pToken) PrivateKey() *ecdsa.PrivateKey {
+	return t.sessionKey
 }
 
 func (t *pToken) Expired(epoch uint64) bool {

session/private_test.go

@@ -1,35 +1,17 @@
 package session
 
 import (
-	"crypto/rand"
 	"testing"
 
 	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/stretchr/testify/require"
 )
 
-func TestPrivateToken(t *testing.T) {
+func TestPToken_PrivateKey(t *testing.T) {
 	// create new private token
 	pToken, err := NewPrivateToken(0)
 	require.NoError(t, err)
-
-	// generate data to sign
-	data := make([]byte, 10)
-	_, err = rand.Read(data)
-	require.NoError(t, err)
-
-	// sign data via private token
-	sig, err := pToken.Sign(data)
-	require.NoError(t, err)
-
-	// check signature
-	require.NoError(t,
-		crypto.Verify(
-			crypto.UnmarshalPublicKey(pToken.PublicKey()),
-			data,
-			sig,
-		),
-	)
+	require.NotNil(t, pToken.PrivateKey())
 }
 
 func TestPToken_Expired(t *testing.T) {
@@ -68,3 +50,27 @@ func TestPrivateTokenKey_SetTokenID(t *testing.T) {
 
 	require.Equal(t, tokenID, s.token)
 }
+
+func TestPublicSessionToken(t *testing.T) {
+	var err error
+
+	// nil PrivateToken
+	_, err = PublicSessionToken(nil)
+	require.EqualError(t, err, ErrNilPrivateToken.Error())
+
+	// empty private key
+	var pToken PrivateToken = new(pToken)
+	_, err = PublicSessionToken(pToken)
+	require.EqualError(t, err, crypto.ErrEmptyPrivateKey.Error())
+
+	// correct PrivateToken
+	pToken, err = NewPrivateToken(0)
+	require.NoError(t, err)
+
+	key := pToken.PrivateKey()
+	require.NotNil(t, key)
+
+	res, err := PublicSessionToken(pToken)
+	require.NoError(t, err)
+	require.Equal(t, res, crypto.MarshalPublicKey(&key.PublicKey))
+}

session/types.go

@@ -10,14 +10,8 @@ import (
 
 // PrivateToken is an interface of session private part.
 type PrivateToken interface {
-	// PublicKey must return a binary representation of session public key.
-	PublicKey() []byte
-
-	// Sign must return the signature of passed data.
-	//
-	// Resulting signature must be verified by crypto.Verify function
-	// with the session public key.
-	Sign([]byte) ([]byte, error)
+	// PrivateKey must return session private key.
+	PrivateKey() *ecdsa.PrivateKey
 
 	// Expired must return true if and only if private token is expired in the given epoch number.
 	Expired(uint64) bool