status-go/protocol/common/message_sender_test.go

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package common
import (
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"math"
"testing"
transport2 "github.com/status-im/status-go/protocol/transport"
"github.com/status-im/status-go/t/helpers"
"github.com/status-im/status-go/waku"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/suite"
"go.uber.org/zap"
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datasyncproto "github.com/vacp2p/mvds/protobuf"
gethbridge "github.com/status-im/status-go/eth-node/bridge/geth"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/protocol/encryption"
"github.com/status-im/status-go/protocol/protobuf"
"github.com/status-im/status-go/protocol/sqlite"
v1protocol "github.com/status-im/status-go/protocol/v1"
"github.com/status-im/status-go/appdatabase"
)
func TestMessageSenderSuite(t *testing.T) {
suite.Run(t, new(MessageSenderSuite))
}
type MessageSenderSuite struct {
suite.Suite
sender *MessageSender
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testMessage protobuf.ChatMessage
logger *zap.Logger
}
func (s *MessageSenderSuite) SetupTest() {
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s.testMessage = protobuf.ChatMessage{
Text: "abc123",
ChatId: "testing-adamb",
ContentType: protobuf.ChatMessage_TEXT_PLAIN,
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MessageType: protobuf.MessageType_PUBLIC_GROUP,
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Clock: 154593077368201,
Timestamp: 1545930773682,
}
var err error
s.logger, err = zap.NewDevelopment()
s.Require().NoError(err)
identity, err := crypto.GenerateKey()
s.Require().NoError(err)
database, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
s.Require().NoError(err)
err = sqlite.Migrate(database)
s.Require().NoError(err)
encryptionProtocol := encryption.New(
database,
"installation-1",
s.logger,
)
wakuConfig := waku.DefaultConfig
wakuConfig.MinimumAcceptedPoW = 0
shh := waku.New(&wakuConfig, s.logger)
s.Require().NoError(shh.Start())
whisperTransport, err := transport2.NewTransport(
gethbridge.NewGethWakuWrapper(shh),
identity,
database,
"waku_keys",
nil,
nil,
s.logger,
)
s.Require().NoError(err)
s.sender, err = NewMessageSender(
identity,
database,
encryptionProtocol,
whisperTransport,
s.logger,
FeatureFlags{
Datasync: true,
},
)
s.Require().NoError(err)
}
func (s *MessageSenderSuite) TearDownTest() {
_ = s.logger.Sync()
}
func (s *MessageSenderSuite) TestHandleDecodedMessagesWrapped() {
relayerKey, err := crypto.GenerateKey()
s.Require().NoError(err)
authorKey, err := crypto.GenerateKey()
s.Require().NoError(err)
encodedPayload, err := proto.Marshal(&s.testMessage)
s.Require().NoError(err)
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, authorKey)
s.Require().NoError(err)
message := &types.Message{}
message.Sig = crypto.FromECDSAPub(&relayerKey.PublicKey)
message.Payload = wrappedPayload
decodedMessages, _, err := s.sender.HandleMessages(message)
s.Require().NoError(err)
s.Require().Equal(1, len(decodedMessages))
s.Require().Equal(&authorKey.PublicKey, decodedMessages[0].SigPubKey())
s.Require().Equal(v1protocol.MessageID(&authorKey.PublicKey, wrappedPayload), decodedMessages[0].ApplicationLayer.ID)
s.Require().Equal(encodedPayload, decodedMessages[0].ApplicationLayer.Payload)
s.Require().Equal(protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, decodedMessages[0].ApplicationLayer.Type)
}
func (s *MessageSenderSuite) TestHandleDecodedMessagesDatasync() {
relayerKey, err := crypto.GenerateKey()
s.Require().NoError(err)
authorKey, err := crypto.GenerateKey()
s.Require().NoError(err)
encodedPayload, err := proto.Marshal(&s.testMessage)
s.Require().NoError(err)
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, authorKey)
s.Require().NoError(err)
dataSyncMessage := datasyncproto.Payload{
Messages: []*datasyncproto.Message{
{Body: wrappedPayload},
},
}
marshalledDataSyncMessage, err := proto.Marshal(&dataSyncMessage)
s.Require().NoError(err)
message := &types.Message{}
message.Sig = crypto.FromECDSAPub(&relayerKey.PublicKey)
message.Payload = marshalledDataSyncMessage
decodedMessages, _, err := s.sender.HandleMessages(message)
s.Require().NoError(err)
// We send two messages, the unwrapped one will be attributed to the relayer, while the wrapped one will be attributed to the author
s.Require().Equal(1, len(decodedMessages))
s.Require().Equal(&authorKey.PublicKey, decodedMessages[0].SigPubKey())
s.Require().Equal(v1protocol.MessageID(&authorKey.PublicKey, wrappedPayload), decodedMessages[0].ApplicationLayer.ID)
s.Require().Equal(encodedPayload, decodedMessages[0].ApplicationLayer.Payload)
s.Require().Equal(protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, decodedMessages[0].ApplicationLayer.Type)
}
func (s *MessageSenderSuite) CalculatePoWTest() {
largeSizePayload := make([]byte, largeSizeInBytes)
s.Require().Equal(whisperLargeSizePoW, calculatePoW(largeSizePayload))
normalSizePayload := make([]byte, largeSizeInBytes-1)
s.Require().Equal(whisperDefaultPoW, calculatePoW(normalSizePayload))
}
func (s *MessageSenderSuite) TestHandleDecodedMessagesDatasyncEncrypted() {
relayerKey, err := crypto.GenerateKey()
s.Require().NoError(err)
authorKey, err := crypto.GenerateKey()
s.Require().NoError(err)
encodedPayload, err := proto.Marshal(&s.testMessage)
s.Require().NoError(err)
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, authorKey)
s.Require().NoError(err)
dataSyncMessage := datasyncproto.Payload{
Messages: []*datasyncproto.Message{
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{Body: wrappedPayload},
},
}
marshalledDataSyncMessage, err := proto.Marshal(&dataSyncMessage)
s.Require().NoError(err)
// Create sender encryption protocol.
senderDatabase, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
s.Require().NoError(err)
err = sqlite.Migrate(senderDatabase)
s.Require().NoError(err)
senderEncryptionProtocol := encryption.New(
senderDatabase,
"installation-2",
s.logger,
)
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messageSpec, err := senderEncryptionProtocol.BuildEncryptedMessage(
relayerKey,
&s.sender.identity.PublicKey,
marshalledDataSyncMessage,
)
s.Require().NoError(err)
encryptedPayload, err := proto.Marshal(messageSpec.Message)
s.Require().NoError(err)
message := &types.Message{}
message.Sig = crypto.FromECDSAPub(&relayerKey.PublicKey)
message.Payload = encryptedPayload
decodedMessages, _, err := s.sender.HandleMessages(message)
s.Require().NoError(err)
// We send two messages, the unwrapped one will be attributed to the relayer,
// while the wrapped one will be attributed to the author.
s.Require().Equal(1, len(decodedMessages))
s.Require().Equal(&authorKey.PublicKey, decodedMessages[0].SigPubKey())
s.Require().Equal(v1protocol.MessageID(&authorKey.PublicKey, wrappedPayload), decodedMessages[0].ApplicationLayer.ID)
s.Require().Equal(encodedPayload, decodedMessages[0].ApplicationLayer.Payload)
s.Require().Equal(protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, decodedMessages[0].ApplicationLayer.Type)
}
func (s *MessageSenderSuite) TestHandleOutOfOrderHashRatchet() {
groupID := []byte("group-id")
senderKey, err := crypto.GenerateKey()
s.Require().NoError(err)
encodedPayload, err := proto.Marshal(&s.testMessage)
s.Require().NoError(err)
// Create sender encryption protocol.
senderDatabase, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
s.Require().NoError(err)
err = sqlite.Migrate(senderDatabase)
s.Require().NoError(err)
senderEncryptionProtocol := encryption.New(
senderDatabase,
"installation-2",
s.logger,
)
ratchet, err := senderEncryptionProtocol.GenerateHashRatchetKey(groupID)
s.Require().NoError(err)
ratchets := []*encryption.HashRatchetKeyCompatibility{ratchet}
hashRatchetKeyExchangeMessage, err := senderEncryptionProtocol.BuildHashRatchetKeyExchangeMessage(senderKey, &s.sender.identity.PublicKey, groupID, ratchets)
s.Require().NoError(err)
encryptedPayload1, err := proto.Marshal(hashRatchetKeyExchangeMessage.Message)
s.Require().NoError(err)
wrappedPayload2, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, senderKey)
s.Require().NoError(err)
messageSpec2, err := senderEncryptionProtocol.BuildHashRatchetMessage(
groupID,
wrappedPayload2,
)
s.Require().NoError(err)
encryptedPayload2, err := proto.Marshal(messageSpec2.Message)
s.Require().NoError(err)
message := &types.Message{}
message.Sig = crypto.FromECDSAPub(&senderKey.PublicKey)
message.Hash = []byte{0x1}
message.Payload = encryptedPayload2
_, _, err = s.sender.HandleMessages(message)
s.Require().NoError(err)
keyID, err := ratchet.GetKeyID()
s.Require().NoError(err)
msgs, err := s.sender.persistence.GetHashRatchetMessages(keyID)
s.Require().NoError(err)
s.Require().Len(msgs, 1)
message = &types.Message{}
message.Sig = crypto.FromECDSAPub(&senderKey.PublicKey)
message.Hash = []byte{0x2}
message.Payload = encryptedPayload1
decodedMessages2, _, err := s.sender.HandleMessages(message)
s.Require().NoError(err)
s.Require().NotNil(decodedMessages2)
// It should have 2 messages, the key exchange and the one from the database
s.Require().Len(decodedMessages2, 2)
// it deletes the messages after being processed
msgs, err = s.sender.persistence.GetHashRatchetMessages(keyID)
s.Require().NoError(err)
s.Require().Len(msgs, 0)
}
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func (s *MessageSenderSuite) TestHandleSegmentMessages() {
relayerKey, err := crypto.GenerateKey()
s.Require().NoError(err)
authorKey, err := crypto.GenerateKey()
s.Require().NoError(err)
encodedPayload, err := proto.Marshal(&s.testMessage)
s.Require().NoError(err)
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, authorKey)
s.Require().NoError(err)
segmentedMessages, err := segmentMessage(&types.NewMessage{Payload: wrappedPayload}, int(math.Ceil(float64(len(wrappedPayload))/2)))
s.Require().NoError(err)
s.Require().Len(segmentedMessages, 2)
message := &types.Message{}
message.Sig = crypto.FromECDSAPub(&relayerKey.PublicKey)
message.Payload = segmentedMessages[0].Payload
// First segment is received, no messages are decoded
decodedMessages, _, err := s.sender.HandleMessages(message)
s.Require().NoError(err)
s.Require().Len(decodedMessages, 0)
// Second (and final) segment is received, reassembled message is decoded
message.Payload = segmentedMessages[1].Payload
decodedMessages, _, err = s.sender.HandleMessages(message)
s.Require().NoError(err)
s.Require().Len(decodedMessages, 1)
s.Require().Equal(&authorKey.PublicKey, decodedMessages[0].SigPubKey())
s.Require().Equal(v1protocol.MessageID(&authorKey.PublicKey, wrappedPayload), decodedMessages[0].ApplicationLayer.ID)
s.Require().Equal(encodedPayload, decodedMessages[0].ApplicationLayer.Payload)
s.Require().Equal(protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, decodedMessages[0].ApplicationLayer.Type)
// Receiving another segment after the message has been reassembled is considered an error
_, _, err = s.sender.HandleMessages(message)
s.Require().ErrorIs(err, ErrMessageSegmentsAlreadyCompleted)
}