forked from TrueCloudLab/frostfs-api-go
session: implement function for receiving session public key bytes
After recent changes PrivateToken cannot directly return public key bytes. In order to provide this ability, this commit implements a function over PrivateToken interface.
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parent
af28735ca6
commit
291d512840
3 changed files with 49 additions and 1 deletions
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@ -13,3 +13,7 @@ const ErrNilGPRCClientConn = internal.Error("gRPC client connection is nil")
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// ErrPrivateTokenNotFound is returned when addressed private token was
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// not found in storage.
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const ErrPrivateTokenNotFound = internal.Error("private token not found")
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// ErrNilPrivateToken is returned by functions that expect a non-nil
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// PrivateToken, but received nil.
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const ErrNilPrivateToken = internal.Error("private token is nil")
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@ -4,6 +4,8 @@ import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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crypto "github.com/nspcc-dev/neofs-crypto"
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)
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type pToken struct {
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@ -28,7 +30,24 @@ func NewPrivateToken(validUntil uint64) (PrivateToken, error) {
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}, nil
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}
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// PrivateKey returns a binary representation of the session public key.
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// PublicSessionToken returns a binary representation of session public key.
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//
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// If passed PrivateToken is nil, ErrNilPrivateToken returns.
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// If passed PrivateToken carries nil private key, crypto.ErrEmptyPrivateKey returns.
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func PublicSessionToken(pToken PrivateToken) ([]byte, error) {
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if pToken == nil {
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return nil, ErrNilPrivateToken
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}
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sk := pToken.PrivateKey()
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if sk == nil {
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return nil, crypto.ErrEmptyPrivateKey
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}
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return crypto.MarshalPublicKey(&sk.PublicKey), nil
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}
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// PrivateKey is a session private key getter.
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func (t *pToken) PrivateKey() *ecdsa.PrivateKey {
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return t.sessionKey
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}
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@ -3,6 +3,7 @@ package session
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import (
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"testing"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/stretchr/testify/require"
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)
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@ -49,3 +50,27 @@ func TestPrivateTokenKey_SetTokenID(t *testing.T) {
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require.Equal(t, tokenID, s.token)
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}
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func TestPublicSessionToken(t *testing.T) {
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var err error
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// nil PrivateToken
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_, err = PublicSessionToken(nil)
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require.EqualError(t, err, ErrNilPrivateToken.Error())
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// empty private key
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var pToken PrivateToken = new(pToken)
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_, err = PublicSessionToken(pToken)
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require.EqualError(t, err, crypto.ErrEmptyPrivateKey.Error())
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// correct PrivateToken
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pToken, err = NewPrivateToken(0)
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require.NoError(t, err)
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key := pToken.PrivateKey()
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require.NotNil(t, key)
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res, err := PublicSessionToken(pToken)
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require.NoError(t, err)
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require.Equal(t, res, crypto.MarshalPublicKey(&key.PublicKey))
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}
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