Resolve update conflicts

This commit is contained in:
Leonard Lyubich 2020-04-28 13:09:18 +03:00
parent 24108f42c3
commit 4ac17201b7
13 changed files with 61 additions and 320 deletions

View file

@ -19,21 +19,6 @@ func (m Object) IsLinking() bool {
return false
}
// VerificationHeader returns verification header if it is presented in extended headers.
func (m Object) VerificationHeader() (*VerificationHeader, error) {
_, vh := m.LastHeader(HeaderType(VerifyHdr))
if vh == nil {
return nil, ErrHeaderNotFound
}
return vh.Value.(*Header_Verify).Verify, nil
}
// SetVerificationHeader sets verification header in the object.
// It will replace existing verification header or add a new one.
func (m *Object) SetVerificationHeader(header *VerificationHeader) {
m.SetHeader(&Header{Value: &Header_Verify{Verify: header}})
}
// Links returns slice of ids of specified link type
func (m *Object) Links(t Link_Type) []ID {
var res []ID

View file

@ -16,8 +16,8 @@ func TestRequest(t *testing.T) {
&DeleteRequest{},
&GetRangeRequest{},
&GetRangeHashRequest{},
MakePutRequestHeader(nil, nil),
MakePutRequestHeader(&Object{}, nil),
MakePutRequestHeader(nil),
MakePutRequestHeader(&Object{}),
}
types := []RequestType{

View file

@ -7,7 +7,6 @@ import (
"github.com/gogo/protobuf/proto"
"github.com/nspcc-dev/neofs-api-go/internal"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/session"
)
type (
@ -19,9 +18,6 @@ type (
// Address is a type alias of object Address.
Address = refs.Address
// VerificationHeader is a type alias of session's verification header.
VerificationHeader = session.VerificationHeader
// PositionReader defines object reader that returns slice of bytes
// for specified object and data range.
PositionReader interface {
@ -60,8 +56,8 @@ const (
TransformHdr
// TombstoneHdr is a tombstone header type.
TombstoneHdr
// VerifyHdr is a verification header type.
VerifyHdr
// TokenHdr is a token header type.
TokenHdr
// HomoHashHdr is a homomorphic hash header type.
HomoHashHdr
// PayloadChecksumHdr is a payload checksum header type.
@ -175,8 +171,8 @@ func (m Header) typeOf(t isHeader_Value) (ok bool) {
_, ok = m.Value.(*Header_Transform)
case *Header_Tombstone:
_, ok = m.Value.(*Header_Tombstone)
case *Header_Verify:
_, ok = m.Value.(*Header_Verify)
case *Header_Token:
_, ok = m.Value.(*Header_Token)
case *Header_HomoHash:
_, ok = m.Value.(*Header_HomoHash)
case *Header_PayloadChecksum:
@ -205,8 +201,8 @@ func HeaderType(t headerType) Pred {
return func(h *Header) bool { _, ok := h.Value.(*Header_Transform); return ok }
case TombstoneHdr:
return func(h *Header) bool { _, ok := h.Value.(*Header_Tombstone); return ok }
case VerifyHdr:
return func(h *Header) bool { _, ok := h.Value.(*Header_Verify); return ok }
case TokenHdr:
return func(h *Header) bool { _, ok := h.Value.(*Header_Token); return ok }
case HomoHashHdr:
return func(h *Header) bool { _, ok := h.Value.(*Header_HomoHash); return ok }
case PayloadChecksumHdr:

View file

@ -4,7 +4,6 @@ import (
"io"
"strconv"
"github.com/nspcc-dev/neofs-api-go/session"
"github.com/pkg/errors"
)
@ -46,11 +45,10 @@ func (b ByteSize) String() string {
// MakePutRequestHeader combines object and session token value
// into header of object put request.
func MakePutRequestHeader(obj *Object, token *session.Token) *PutRequest {
func MakePutRequestHeader(obj *Object) *PutRequest {
return &PutRequest{
R: &PutRequest_Header{Header: &PutRequest_PutHeader{
Object: obj,
Token: token,
}},
}
}

View file

@ -77,7 +77,7 @@ func (m Object) Verify() error {
integrity := ih.Value.(*Header_Integrity).Integrity
// Prepare structures
_, vh := m.LastHeader(HeaderType(VerifyHdr))
_, vh := m.LastHeader(HeaderType(TokenHdr))
if vh == nil {
_, pkh := m.LastHeader(HeaderType(PublicKeyHdr))
if pkh == nil {
@ -85,7 +85,7 @@ func (m Object) Verify() error {
}
pubkey = pkh.Value.(*Header_PublicKey).PublicKey.Value
} else {
pubkey = vh.Value.(*Header_Verify).Verify.PublicKey
pubkey = vh.Value.(*Header_Token).Token.SessionKey
}
// Verify signature

View file

@ -6,7 +6,7 @@ import (
"github.com/google/uuid"
"github.com/nspcc-dev/neofs-api-go/container"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/session"
"github.com/nspcc-dev/neofs-api-go/service"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-crypto/test"
"github.com/stretchr/testify/require"
@ -77,11 +77,13 @@ func TestObject_Verify(t *testing.T) {
dataPK := crypto.MarshalPublicKey(&sessionkey.PublicKey)
signature, err = crypto.Sign(key, dataPK)
vh := &session.VerificationHeader{
PublicKey: dataPK,
KeySignature: signature,
tok := &service.Token{
Token_Info: service.Token_Info{
SessionKey: dataPK,
},
Signature: signature,
}
obj.SetVerificationHeader(vh)
obj.AddHeader(&Header{Value: &Header_Token{Token: tok}})
// validation header is not last
t.Run("error validation header is not last", func(t *testing.T) {
@ -90,7 +92,7 @@ func TestObject_Verify(t *testing.T) {
})
obj.Headers = obj.Headers[:len(obj.Headers)-2]
obj.SetVerificationHeader(vh)
obj.AddHeader(&Header{Value: &Header_Token{Token: tok}})
obj.SetHeader(&Header{Value: &Header_Integrity{ih}})
t.Run("error invalid header checksum", func(t *testing.T) {
@ -115,7 +117,7 @@ func TestObject_Verify(t *testing.T) {
require.NoError(t, err)
obj.SetHeader(genIH)
t.Run("correct with vh", func(t *testing.T) {
t.Run("correct with tok", func(t *testing.T) {
err = obj.Verify()
require.NoError(t, err)
})
@ -123,7 +125,7 @@ func TestObject_Verify(t *testing.T) {
pkh := Header{Value: &Header_PublicKey{&PublicKey{
Value: crypto.MarshalPublicKey(&key.PublicKey),
}}}
// replace vh with pkh
// replace tok with pkh
obj.Headers[len(obj.Headers)-2] = pkh
// re-sign object
obj.Sign(sessionkey)

14
service/alias.go Normal file
View file

@ -0,0 +1,14 @@
package service
import (
"github.com/nspcc-dev/neofs-api-go/refs"
)
// TokenID is type alias of UUID ref.
type TokenID = refs.UUID
// OwnerID is type alias of OwnerID ref.
type OwnerID = refs.OwnerID
// Address is type alias of Address ref.
type Address = refs.Address

View file

@ -53,18 +53,6 @@ func (m *RequestVerificationHeader) AddSignature(sig *RequestVerificationHeader_
m.Signatures = append(m.Signatures, sig)
}
// SetOwner adds origin (sign and public key) of owner (client) into first signature.
func (m *RequestVerificationHeader) SetOwner(pub *ecdsa.PublicKey, sign []byte) {
if len(m.Signatures) == 0 || pub == nil {
return
}
m.Signatures[0].Origin = &RequestVerificationHeader_Sign{
Sign: sign,
Peer: crypto.MarshalPublicKey(pub),
}
}
// CheckOwner validates, that passed OwnerID is equal to present PublicKey of owner.
func (m *RequestVerificationHeader) CheckOwner(owner refs.OwnerID) error {
if key, err := m.GetOwner(); err != nil {
@ -83,18 +71,6 @@ func (m *RequestVerificationHeader) CheckOwner(owner refs.OwnerID) error {
func (m *RequestVerificationHeader) GetOwner() (*ecdsa.PublicKey, error) {
if len(m.Signatures) == 0 {
return nil, ErrCannotFindOwner
}
// if first signature contains origin, we should try to validate session key
if m.Signatures[0].Origin != nil {
owner := crypto.UnmarshalPublicKey(m.Signatures[0].Origin.Peer)
if owner == nil {
return nil, ErrCannotLoadPublicKey
} else if err := crypto.Verify(owner, m.Signatures[0].Peer, m.Signatures[0].Origin.Sign); err != nil {
return nil, errors.Wrap(err, "could not verify session token")
}
return owner, nil
} else if key := crypto.UnmarshalPublicKey(m.Signatures[0].Peer); key != nil {
return key, nil
}
@ -128,10 +104,8 @@ func newSignature(key *ecdsa.PrivateKey, data []byte) (*RequestVerificationHeade
}
return &RequestVerificationHeader_Signature{
RequestVerificationHeader_Sign: RequestVerificationHeader_Sign{
Sign: sign,
Peer: crypto.MarshalPublicKey(&key.PublicKey),
},
}, nil
}

View file

@ -119,15 +119,13 @@ func TestMaintainableRequest(t *testing.T) {
req.TTL--
key := test.DecodeKey(i)
require.NoError(t, SignRequestHeader(key, req))
// sign first key (session key) by owner key
if i == 0 {
sign, err := crypto.Sign(owner, crypto.MarshalPublicKey(&key.PublicKey))
require.NoError(t, err)
req.SetOwner(&owner.PublicKey, sign)
key = owner
}
require.NoError(t, SignRequestHeader(key, req))
}
{ // Validate owner
@ -150,17 +148,8 @@ func TestMaintainableRequest(t *testing.T) {
require.Equal(t, &owner.PublicKey, pub)
}
{ // wrong owner:
req.Signatures[0].Origin = nil
pub, err := req.GetOwner()
require.NoError(t, err)
require.NotEqual(t, &owner.PublicKey, pub)
}
{ // Wrong signatures:
copy(req.Signatures[count-1].Sign, req.Signatures[count-1].Peer)
copy(req.Signatures[count-1].Sign, req.Signatures[count-2].Sign)
err := VerifyRequestHeader(req)
require.EqualError(t, errors.Cause(err), crypto.ErrInvalidSignature.Error())
}

View file

@ -5,7 +5,6 @@ import (
"crypto/ecdsa"
"github.com/nspcc-dev/neofs-api-go/refs"
crypto "github.com/nspcc-dev/neofs-crypto"
)
type (
@ -31,9 +30,9 @@ type (
TokenParams struct {
FirstEpoch uint64
LastEpoch uint64
ObjectID []ObjectID
Address Address
OwnerID OwnerID
PublicKeys [][]byte
Verb Verb
}
)
@ -46,13 +45,3 @@ func NewInitRequest(t *Token) *CreateRequest {
func NewSignedRequest(t *Token) *CreateRequest {
return &CreateRequest{Message: &CreateRequest_Signed{Signed: t}}
}
// Sign signs contents of the header with the private key.
func (m *VerificationHeader) Sign(key *ecdsa.PrivateKey) error {
s, err := crypto.Sign(key, m.PublicKey)
if err != nil {
return err
}
m.KeySignature = s
return nil
}

View file

@ -7,6 +7,7 @@ import (
"sync"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/service"
crypto "github.com/nspcc-dev/neofs-crypto"
)
@ -48,13 +49,15 @@ func (s *simpleStore) New(p TokenParams) *PToken {
t := &PToken{
mtx: new(sync.Mutex),
Token: Token{
Token_Info: service.Token_Info{
ID: tid,
Header: VerificationHeader{PublicKey: crypto.MarshalPublicKey(&key.PublicKey)},
FirstEpoch: p.FirstEpoch,
LastEpoch: p.LastEpoch,
ObjectID: p.ObjectID,
OwnerID: p.OwnerID,
PublicKeys: p.PublicKeys,
Verb: p.Verb,
Address: p.Address,
Created: p.FirstEpoch,
ValidUntil: p.LastEpoch,
SessionKey: crypto.MarshalPublicKey(&key.PublicKey),
},
},
PrivateKey: key,
}

View file

@ -1,96 +1,3 @@
package session
import (
"crypto/ecdsa"
"crypto/rand"
"testing"
"github.com/nspcc-dev/neofs-api-go/refs"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/stretchr/testify/require"
)
type testClient struct {
*ecdsa.PrivateKey
OwnerID OwnerID
}
func (c *testClient) Sign(data []byte) ([]byte, error) {
return crypto.Sign(c.PrivateKey, data)
}
func newTestClient(t *testing.T) *testClient {
key, err := ecdsa.GenerateKey(defaultCurve(), rand.Reader)
require.NoError(t, err)
owner, err := refs.NewOwnerID(&key.PublicKey)
require.NoError(t, err)
return &testClient{PrivateKey: key, OwnerID: owner}
}
func signToken(t *testing.T, token *PToken, c *testClient) {
require.NotNil(t, token)
token.SetPublicKeys(&c.PublicKey)
signH, err := c.Sign(token.Header.PublicKey)
require.NoError(t, err)
require.NotNil(t, signH)
// data is not yet signed
keys := UnmarshalPublicKeys(&token.Token)
require.False(t, token.Verify(keys...))
signT, err := c.Sign(token.verificationData())
require.NoError(t, err)
require.NotNil(t, signT)
token.AddSignatures(signH, signT)
require.True(t, token.Verify(keys...))
}
func TestTokenStore(t *testing.T) {
s := NewSimpleStore()
oid, err := refs.NewObjectID()
require.NoError(t, err)
c := newTestClient(t)
require.NotNil(t, c)
pk := [][]byte{crypto.MarshalPublicKey(&c.PublicKey)}
// create new token
token := s.New(TokenParams{
ObjectID: []ObjectID{oid},
OwnerID: c.OwnerID,
PublicKeys: pk,
})
signToken(t, token, c)
// check that it can be fetched
t1 := s.Fetch(token.ID)
require.NotNil(t, t1)
require.Equal(t, token, t1)
// create and sign another token by the same client
t1 = s.New(TokenParams{
ObjectID: []ObjectID{oid},
OwnerID: c.OwnerID,
PublicKeys: pk,
})
signToken(t, t1, c)
data := []byte{1, 2, 3}
sign, err := t1.SignData(data)
require.NoError(t, err)
require.Error(t, token.Header.VerifyData(data, sign))
sign, err = token.SignData(data)
require.NoError(t, err)
require.NoError(t, token.Header.VerifyData(data, sign))
s.Remove(token.ID)
require.Nil(t, s.Fetch(token.ID))
require.NotNil(t, s.Fetch(t1.ID))
}
// TODO: write unit tests

View file

@ -2,14 +2,12 @@ package session
import (
"crypto/ecdsa"
"encoding/binary"
"sync"
"github.com/nspcc-dev/neofs-api-go/chain"
"github.com/nspcc-dev/neofs-api-go/internal"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/service"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/pkg/errors"
)
type (
@ -19,6 +17,12 @@ type (
OwnerID = refs.OwnerID
// TokenID type alias.
TokenID = refs.UUID
// Token type alias
Token = service.Token
// Address type alias
Address = refs.Address
// Verb is Token_Info_Verb type alias
Verb = service.Token_Info_Verb
// PToken is a wrapper around Token that allows to sign data
// and to do thread-safe manipulations.
@ -55,127 +59,7 @@ const (
ErrInvalidSignature = internal.Error("invalid signature")
)
// verificationData returns byte array to sign.
// Note: protobuf serialization is inconsistent as
// wire order is unspecified.
func (m *Token) verificationData() (data []byte) {
var size int
if l := len(m.ObjectID); l > 0 {
size = m.ObjectID[0].Size()
data = make([]byte, 16+l*size)
} else {
data = make([]byte, 16)
}
binary.BigEndian.PutUint64(data, m.FirstEpoch)
binary.BigEndian.PutUint64(data[8:], m.LastEpoch)
for i := range m.ObjectID {
copy(data[16+i*size:], m.ObjectID[i].Bytes())
}
return
}
// IsSame checks if the passed token is valid and equal to current token
func (m *Token) IsSame(t *Token) error {
switch {
case m.FirstEpoch != t.FirstEpoch:
return ErrWrongFirstEpoch
case m.LastEpoch != t.LastEpoch:
return ErrWrongLastEpoch
case !m.OwnerID.Equal(t.OwnerID):
return ErrWrongOwner
case m.Header.PublicKey == nil:
return ErrEmptyPublicKey
case len(m.ObjectID) != len(t.ObjectID):
return ErrWrongObjectsCount
default:
for i := range m.ObjectID {
if !m.ObjectID[i].Equal(t.ObjectID[i]) {
return errors.Wrapf(ErrWrongObjects, "expect %s, actual: %s", m.ObjectID[i], t.ObjectID[i])
}
}
}
return nil
}
// Sign tries to sign current Token data and stores signature inside it.
func (m *Token) Sign(key *ecdsa.PrivateKey) error {
if err := m.Header.Sign(key); err != nil {
return err
}
s, err := crypto.Sign(key, m.verificationData())
if err != nil {
return err
}
m.Signature = s
return nil
}
// SetPublicKeys sets owner's public keys to the token
func (m *Token) SetPublicKeys(keys ...*ecdsa.PublicKey) {
m.PublicKeys = m.PublicKeys[:0]
for i := range keys {
m.PublicKeys = append(m.PublicKeys, crypto.MarshalPublicKey(keys[i]))
}
}
// Verify checks if token is correct and signed.
func (m *Token) Verify(keys ...*ecdsa.PublicKey) bool {
if m.FirstEpoch > m.LastEpoch {
return false
}
ownerFromKeys := chain.KeysToAddress(keys...)
if m.OwnerID.String() != ownerFromKeys {
return false
}
for i := range keys {
if m.Header.Verify(keys[i]) && crypto.Verify(keys[i], m.verificationData(), m.Signature) == nil {
return true
}
}
return false
}
// AddSignatures adds token signatures.
func (t *PToken) AddSignatures(signH, signT []byte) {
t.mtx.Lock()
t.Header.KeySignature = signH
t.Signature = signT
t.mtx.Unlock()
}
// SignData signs data with session private key.
func (t *PToken) SignData(data []byte) ([]byte, error) {
return crypto.Sign(t.PrivateKey, data)
}
// VerifyData checks if signature of data by token is equal to sign.
func (m *VerificationHeader) VerifyData(data, sign []byte) error {
if crypto.Verify(crypto.UnmarshalPublicKey(m.PublicKey), data, sign) != nil {
return ErrInvalidSignature
}
return nil
}
// Verify checks if verification header was issued by id.
func (m *VerificationHeader) Verify(keys ...*ecdsa.PublicKey) bool {
for i := range keys {
if crypto.Verify(keys[i], m.PublicKey, m.KeySignature) == nil {
return true
}
}
return false
}
// UnmarshalPublicKeys returns unmarshal public keys from the token
func UnmarshalPublicKeys(t *Token) []*ecdsa.PublicKey {
r := make([]*ecdsa.PublicKey, 0, len(t.PublicKeys))
for i := range t.PublicKeys {
r = append(r, crypto.UnmarshalPublicKey(t.PublicKeys[i]))
}
return r
}