349 lines
10 KiB
Go
349 lines
10 KiB
Go
package encryption
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import (
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"crypto/ecdsa"
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"fmt"
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"testing"
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"github.com/status-im/status-go/appdatabase"
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"github.com/status-im/status-go/protocol/sqlite"
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"github.com/status-im/status-go/protocol/tt"
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"github.com/status-im/status-go/t/helpers"
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"github.com/stretchr/testify/suite"
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"go.uber.org/zap"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/protocol/encryption/multidevice"
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)
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const (
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aliceUser = "alice"
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bobUser = "bob"
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)
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func TestEncryptionServiceMultiDeviceSuite(t *testing.T) {
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suite.Run(t, new(EncryptionServiceMultiDeviceSuite))
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}
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type serviceAndKey struct {
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services []*Protocol
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key *ecdsa.PrivateKey
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}
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type EncryptionServiceMultiDeviceSuite struct {
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suite.Suite
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services map[string]*serviceAndKey
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logger *zap.Logger
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}
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func setupUser(user string, s *EncryptionServiceMultiDeviceSuite, n int) error {
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key, err := crypto.GenerateKey()
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if err != nil {
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return err
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}
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s.services[user] = &serviceAndKey{
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key: key,
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services: make([]*Protocol, n),
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}
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for i := 0; i < n; i++ {
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installationID := fmt.Sprintf("%s%d", user, i+1)
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db, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
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if err != nil {
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return err
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}
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err = sqlite.Migrate(db)
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if err != nil {
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return err
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}
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protocol := New(
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db,
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installationID,
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s.logger.With(zap.String("user", user)),
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)
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s.services[user].services[i] = protocol
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}
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return nil
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}
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func (s *EncryptionServiceMultiDeviceSuite) SetupTest() {
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s.logger = tt.MustCreateTestLogger()
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s.services = make(map[string]*serviceAndKey)
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err := setupUser(aliceUser, s, 4)
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s.Require().NoError(err)
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err = setupUser(bobUser, s, 4)
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s.Require().NoError(err)
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}
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func (s *EncryptionServiceMultiDeviceSuite) TearDownTest() {
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_ = s.logger.Sync()
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}
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func (s *EncryptionServiceMultiDeviceSuite) TestProcessPublicBundle() {
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aliceKey := s.services[aliceUser].key
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alice2Bundle, err := s.services[aliceUser].services[1].GetBundle(aliceKey)
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s.Require().NoError(err)
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alice2IdentityPK, err := ExtractIdentity(alice2Bundle)
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s.Require().NoError(err)
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alice2Identity := fmt.Sprintf("0x%x", crypto.FromECDSAPub(alice2IdentityPK))
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alice3Bundle, err := s.services[aliceUser].services[2].GetBundle(aliceKey)
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s.Require().NoError(err)
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alice3IdentityPK, err := ExtractIdentity(alice2Bundle)
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s.Require().NoError(err)
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alice3Identity := fmt.Sprintf("0x%x", crypto.FromECDSAPub(alice3IdentityPK))
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// Add alice2 bundle
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response, err := s.services[aliceUser].services[0].ProcessPublicBundle(aliceKey, alice2Bundle)
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s.Require().NoError(err)
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s.Require().Equal(multidevice.Installation{
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Identity: alice2Identity,
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Version: 1,
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ID: "alice2",
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}, *response[0])
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// Add alice3 bundle
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response, err = s.services[aliceUser].services[0].ProcessPublicBundle(aliceKey, alice3Bundle)
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s.Require().NoError(err)
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s.Require().Equal(multidevice.Installation{
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Identity: alice3Identity,
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Version: 1,
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ID: "alice3",
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}, *response[0])
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// No installation is enabled
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alice1MergedBundle1, err := s.services[aliceUser].services[0].GetBundle(aliceKey)
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s.Require().NoError(err)
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s.Require().Equal(1, len(alice1MergedBundle1.GetSignedPreKeys()))
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s.Require().NotNil(alice1MergedBundle1.GetSignedPreKeys()["alice1"])
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// We enable the installations
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err = s.services[aliceUser].services[0].EnableInstallation(&aliceKey.PublicKey, "alice2")
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s.Require().NoError(err)
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err = s.services[aliceUser].services[0].EnableInstallation(&aliceKey.PublicKey, "alice3")
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s.Require().NoError(err)
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alice1MergedBundle2, err := s.services[aliceUser].services[0].GetBundle(aliceKey)
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s.Require().NoError(err)
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// We get back a bundle with all the installations
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s.Require().Equal(3, len(alice1MergedBundle2.GetSignedPreKeys()))
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s.Require().NotNil(alice1MergedBundle2.GetSignedPreKeys()["alice1"])
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s.Require().NotNil(alice1MergedBundle2.GetSignedPreKeys()["alice2"])
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s.Require().NotNil(alice1MergedBundle2.GetSignedPreKeys()["alice3"])
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// We disable the installations
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err = s.services[aliceUser].services[0].DisableInstallation(&aliceKey.PublicKey, "alice2")
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s.Require().NoError(err)
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alice1MergedBundle3, err := s.services[aliceUser].services[0].GetBundle(aliceKey)
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s.Require().NoError(err)
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// We get back a bundle with all the installations
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s.Require().Equal(2, len(alice1MergedBundle3.GetSignedPreKeys()))
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s.Require().NotNil(alice1MergedBundle3.GetSignedPreKeys()["alice1"])
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s.Require().NotNil(alice1MergedBundle3.GetSignedPreKeys()["alice3"])
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}
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func (s *EncryptionServiceMultiDeviceSuite) TestProcessPublicBundleOutOfOrder() {
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aliceKey, err := crypto.GenerateKey()
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s.Require().NoError(err)
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// Alice1 creates a bundle
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alice1Bundle, err := s.services[aliceUser].services[0].GetBundle(aliceKey)
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s.Require().NoError(err)
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// Alice2 Receives the bundle
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_, err = s.services[aliceUser].services[1].ProcessPublicBundle(aliceKey, alice1Bundle)
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s.Require().NoError(err)
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// Alice2 Creates a Bundle
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_, err = s.services[aliceUser].services[1].GetBundle(aliceKey)
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s.Require().NoError(err)
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// We enable the installation
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err = s.services[aliceUser].services[1].EnableInstallation(&aliceKey.PublicKey, "alice1")
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s.Require().NoError(err)
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// It should contain both bundles
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alice2MergedBundle1, err := s.services[aliceUser].services[1].GetBundle(aliceKey)
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s.Require().NoError(err)
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s.Require().NotNil(alice2MergedBundle1.GetSignedPreKeys()["alice1"])
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s.Require().NotNil(alice2MergedBundle1.GetSignedPreKeys()["alice2"])
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}
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func pairDevices(s *serviceAndKey, target int) error {
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device := s.services[target]
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for i := 0; i < len(s.services); i++ {
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b, err := s.services[i].GetBundle(s.key)
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if err != nil {
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return err
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}
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_, err = device.ProcessPublicBundle(s.key, b)
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if err != nil {
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return err
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}
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err = device.EnableInstallation(&s.key.PublicKey, s.services[i].encryptor.config.InstallationID)
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if err != nil {
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return nil
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}
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}
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return nil
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}
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func (s *EncryptionServiceMultiDeviceSuite) TestMaxDevices() {
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err := pairDevices(s.services[aliceUser], 0)
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s.Require().NoError(err)
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alice1 := s.services[aliceUser].services[0]
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bob1 := s.services[bobUser].services[0]
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aliceKey := s.services[aliceUser].key
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bobKey := s.services[bobUser].key
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// Check bundle is ok
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// No installation is enabled
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aliceBundle, err := alice1.GetBundle(aliceKey)
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s.Require().NoError(err)
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// Check all installations are correctly working, and that the oldest device is not there
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preKeys := aliceBundle.GetSignedPreKeys()
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s.Require().Equal(3, len(preKeys))
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s.Require().NotNil(preKeys["alice1"])
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// alice2 being the oldest device is rotated out, as we reached the maximum
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s.Require().Nil(preKeys["alice2"])
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s.Require().NotNil(preKeys["alice3"])
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s.Require().NotNil(preKeys["alice4"])
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// We propagate this to bob
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_, err = bob1.ProcessPublicBundle(bobKey, aliceBundle)
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s.Require().NoError(err)
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// Bob sends a message to alice
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msg, err := bob1.BuildEncryptedMessage(bobKey, &aliceKey.PublicKey, []byte("test"))
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s.Require().NoError(err)
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payload := msg.Message.GetEncryptedMessage()
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s.Require().Equal(3, len(payload))
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s.Require().NotNil(payload["alice1"])
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s.Require().NotNil(payload["alice3"])
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s.Require().NotNil(payload["alice4"])
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// We disable the last installation
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err = s.services[aliceUser].services[0].DisableInstallation(&aliceKey.PublicKey, "alice4")
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s.Require().NoError(err)
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// We check the bundle is updated
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aliceBundle, err = alice1.GetBundle(aliceKey)
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s.Require().NoError(err)
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// Check all installations are there
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preKeys = aliceBundle.GetSignedPreKeys()
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s.Require().Equal(3, len(preKeys))
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s.Require().NotNil(preKeys["alice1"])
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s.Require().NotNil(preKeys["alice2"])
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s.Require().NotNil(preKeys["alice3"])
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// alice4 is disabled at this point, alice2 is back in
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s.Require().Nil(preKeys["alice4"])
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// We propagate this to bob
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_, err = bob1.ProcessPublicBundle(bobKey, aliceBundle)
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s.Require().NoError(err)
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// Bob sends a message to alice
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msg, err = bob1.BuildEncryptedMessage(bobKey, &aliceKey.PublicKey, []byte("test"))
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s.Require().NoError(err)
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payload = msg.Message.GetEncryptedMessage()
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s.Require().Equal(3, len(payload))
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s.Require().NotNil(payload["alice1"])
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s.Require().NotNil(payload["alice2"])
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s.Require().NotNil(payload["alice3"])
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}
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func (s *EncryptionServiceMultiDeviceSuite) TestMaxDevicesRefreshedBundle() {
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alice1 := s.services[aliceUser].services[0]
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alice2 := s.services[aliceUser].services[1]
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alice3 := s.services[aliceUser].services[2]
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alice4 := s.services[aliceUser].services[3]
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bob1 := s.services[bobUser].services[0]
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bobKey := s.services[bobUser].key
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aliceKey := s.services[aliceUser].key
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// We create alice bundles, in order
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alice1Bundle, err := alice1.GetBundle(aliceKey)
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s.Require().NoError(err)
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alice2Bundle, err := alice2.GetBundle(aliceKey)
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s.Require().NoError(err)
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alice3Bundle, err := alice3.GetBundle(aliceKey)
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s.Require().NoError(err)
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alice4Bundle, err := alice4.GetBundle(aliceKey)
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s.Require().NoError(err)
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// We send all the bundles to bob
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_, err = bob1.ProcessPublicBundle(bobKey, alice1Bundle)
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s.Require().NoError(err)
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_, err = bob1.ProcessPublicBundle(bobKey, alice2Bundle)
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s.Require().NoError(err)
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_, err = bob1.ProcessPublicBundle(bobKey, alice3Bundle)
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s.Require().NoError(err)
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_, err = bob1.ProcessPublicBundle(bobKey, alice4Bundle)
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s.Require().NoError(err)
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// Bob sends a message to alice
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msg1, err := bob1.BuildEncryptedMessage(bobKey, &aliceKey.PublicKey, []byte("test"))
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s.Require().NoError(err)
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payload := msg1.Message.GetEncryptedMessage()
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s.Require().Equal(3, len(payload))
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// Alice1 is the oldest bundle and is rotated out
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// as we send maximum to 3 devices
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s.Require().Nil(payload["alice1"])
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s.Require().NotNil(payload["alice2"])
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s.Require().NotNil(payload["alice3"])
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s.Require().NotNil(payload["alice4"])
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// We send a message to bob from alice1, the timestamp should be refreshed
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msg2, err := alice1.BuildEncryptedMessage(aliceKey, &bobKey.PublicKey, []byte("test"))
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s.Require().NoError(err)
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alice1Bundle = msg2.Message.GetBundles()[0]
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// Bob processes the bundle
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_, err = bob1.ProcessPublicBundle(bobKey, alice1Bundle)
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s.Require().NoError(err)
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// Bob sends a message to alice
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msg3, err := bob1.BuildEncryptedMessage(bobKey, &aliceKey.PublicKey, []byte("test"))
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s.Require().NoError(err)
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payload = msg3.Message.GetEncryptedMessage()
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s.Require().Equal(3, len(payload))
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// Alice 1 is added back to the list of active devices
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s.Require().NotNil(payload["alice1"])
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// Alice 2 is rotated out as the oldest device in terms of activity
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s.Require().Nil(payload["alice2"])
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// Alice 3, 4 are still in
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s.Require().NotNil(payload["alice3"])
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s.Require().NotNil(payload["alice4"])
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}
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