364 lines
15 KiB
Go
364 lines
15 KiB
Go
package protocol
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import (
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"crypto/ecdsa"
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"encoding/json"
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"reflect"
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"github.com/golang/protobuf/proto"
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"github.com/jinzhu/copier"
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"github.com/pkg/errors"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/log"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/protocol/encryption"
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"github.com/status-im/status-go/protocol/encryption/multidevice"
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"github.com/status-im/status-go/protocol/encryption/sharedsecret"
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"github.com/status-im/status-go/protocol/protobuf"
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)
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type StatusMessageT int
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// StatusMessage is any Status Protocol message.
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type StatusMessage struct {
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// TransportMessage is the parsed message received from the transport layer, i.e the input
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TransportMessage *types.Message `json:"transportMessage"`
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// Type is the type of application message contained
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Type protobuf.ApplicationMetadataMessage_Type `json:"-"`
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// ParsedMessage is the parsed message by the application layer, i.e the output
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ParsedMessage *reflect.Value `json:"-"`
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// TransportPayload is the payload as received from the transport layer
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TransportPayload []byte `json:"-"`
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// DecryptedPayload is the payload after having been processed by the encryption layer
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DecryptedPayload []byte `json:"decryptedPayload"`
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// UnwrappedPayload is the payload after having been unwrapped from the applicaition metadata layer
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UnwrappedPayload []byte `json:"unwrappedPayload"`
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// ID is the canonical ID of the message
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ID types.HexBytes `json:"id"`
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// Hash is the transport layer hash
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Hash []byte `json:"-"`
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// Dst is the targeted public key
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Dst *ecdsa.PublicKey
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// TransportLayerSigPubKey contains the public key provided by the transport layer
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TransportLayerSigPubKey *ecdsa.PublicKey `json:"-"`
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// ApplicationMetadataLayerPubKey contains the public key provided by the application metadata layer
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ApplicationMetadataLayerSigPubKey *ecdsa.PublicKey `json:"-"`
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// Installations is the new installations returned by the encryption layer
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Installations []*multidevice.Installation
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// SharedSecret is the shared secret returned by the encryption layer
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SharedSecrets []*sharedsecret.Secret
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// HashRatchetInfo is the information about a new hash ratchet group/key pair
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HashRatchetInfo []*encryption.HashRatchetInfo
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}
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// Temporary JSON marshaling for those messages that are not yet processed
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// by the go code
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func (m *StatusMessage) MarshalJSON() ([]byte, error) {
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item := struct {
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ID types.HexBytes `json:"id"`
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Payload string `json:"payload"`
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From types.HexBytes `json:"from"`
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Timestamp uint32 `json:"timestamp"`
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}{
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ID: m.ID,
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Payload: string(m.UnwrappedPayload),
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Timestamp: m.TransportMessage.Timestamp,
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From: m.TransportMessage.Sig,
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}
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return json.Marshal(item)
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}
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// SigPubKey returns the most important signature, from the application layer to transport
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func (m *StatusMessage) SigPubKey() *ecdsa.PublicKey {
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if m.ApplicationMetadataLayerSigPubKey != nil {
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return m.ApplicationMetadataLayerSigPubKey
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}
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return m.TransportLayerSigPubKey
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}
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func (m *StatusMessage) Clone() (*StatusMessage, error) {
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copy := &StatusMessage{}
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err := copier.Copy(©, m)
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return copy, err
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}
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func (m *StatusMessage) HandleTransport(shhMessage *types.Message) error {
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publicKey, err := crypto.UnmarshalPubkey(shhMessage.Sig)
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if err != nil {
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return errors.Wrap(err, "failed to get signature")
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}
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m.TransportMessage = shhMessage
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m.Hash = shhMessage.Hash
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m.TransportLayerSigPubKey = publicKey
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m.TransportPayload = shhMessage.Payload
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if shhMessage.Dst != nil {
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publicKey, err := crypto.UnmarshalPubkey(shhMessage.Dst)
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if err != nil {
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return err
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}
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m.Dst = publicKey
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}
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return nil
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}
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func (m *StatusMessage) HandleEncryption(myKey *ecdsa.PrivateKey, senderKey *ecdsa.PublicKey, enc *encryption.Protocol, skipNegotiation bool) error {
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// As we handle non-encrypted messages, we make sure that DecryptPayload
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// is set regardless of whether this step is successful
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m.DecryptedPayload = m.TransportPayload
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// Nothing to do
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if skipNegotiation {
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return nil
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}
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var protocolMessage encryption.ProtocolMessage
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err := proto.Unmarshal(m.TransportPayload, &protocolMessage)
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if err != nil {
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return errors.Wrap(err, "failed to unmarshal ProtocolMessage")
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}
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response, err := enc.HandleMessage(
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myKey,
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senderKey,
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&protocolMessage,
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m.Hash,
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)
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if err == encryption.ErrHashRatchetGroupIDNotFound {
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if response != nil {
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m.HashRatchetInfo = response.HashRatchetInfo
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}
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return err
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}
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if err != nil {
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return errors.Wrap(err, "failed to handle Encryption message")
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}
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m.DecryptedPayload = response.DecryptedMessage
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m.Installations = response.Installations
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m.SharedSecrets = response.SharedSecrets
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m.HashRatchetInfo = response.HashRatchetInfo
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return nil
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}
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func (m *StatusMessage) HandleApplicationMetadata() error {
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message, err := protobuf.Unmarshal(m.DecryptedPayload)
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if err != nil {
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return err
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}
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recoveredKey, err := message.RecoverKey()
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if err != nil {
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return err
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}
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m.ApplicationMetadataLayerSigPubKey = recoveredKey
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// Calculate ID using the wrapped record
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m.ID = MessageID(recoveredKey, m.DecryptedPayload)
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log.Debug("calculated ID for envelope", "envelopeHash", hexutil.Encode(m.Hash), "messageId", hexutil.Encode(m.ID))
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m.UnwrappedPayload = message.Payload
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m.Type = message.Type
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return nil
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}
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func (m *StatusMessage) HandleApplication() error {
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switch m.Type {
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case protobuf.ApplicationMetadataMessage_CHAT_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.ChatMessage))
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case protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.MembershipUpdateMessage))
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case protobuf.ApplicationMetadataMessage_ACCEPT_REQUEST_ADDRESS_FOR_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.AcceptRequestAddressForTransaction))
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case protobuf.ApplicationMetadataMessage_SEND_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.SendTransaction))
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case protobuf.ApplicationMetadataMessage_REQUEST_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.RequestTransaction))
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case protobuf.ApplicationMetadataMessage_DECLINE_REQUEST_ADDRESS_FOR_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.DeclineRequestAddressForTransaction))
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case protobuf.ApplicationMetadataMessage_DECLINE_REQUEST_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.DeclineRequestTransaction))
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case protobuf.ApplicationMetadataMessage_REQUEST_ADDRESS_FOR_TRANSACTION:
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return m.unmarshalProtobufData(new(protobuf.RequestAddressForTransaction))
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case protobuf.ApplicationMetadataMessage_CONTACT_UPDATE:
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return m.unmarshalProtobufData(new(protobuf.ContactUpdate))
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case protobuf.ApplicationMetadataMessage_PIN_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.PinMessage))
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case protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION:
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return m.unmarshalProtobufData(new(protobuf.SyncInstallation))
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case protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_CONTACT:
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log.Debug("Sync installation contact")
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return m.unmarshalProtobufData(new(protobuf.SyncInstallationContactV2))
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case protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_PUBLIC_CHAT:
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return m.unmarshalProtobufData(new(protobuf.SyncInstallationPublicChat))
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case protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_ACCOUNT:
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return m.unmarshalProtobufData(new(protobuf.SyncInstallationAccount))
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case protobuf.ApplicationMetadataMessage_SYNC_PROFILE_PICTURE:
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return m.unmarshalProtobufData(new(protobuf.SyncProfilePictures))
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case protobuf.ApplicationMetadataMessage_PAIR_INSTALLATION:
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return m.unmarshalProtobufData(new(protobuf.PairInstallation))
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case protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_COMMUNITY:
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return m.unmarshalProtobufData(new(protobuf.SyncCommunity))
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case protobuf.ApplicationMetadataMessage_CONTACT_CODE_ADVERTISEMENT:
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return m.unmarshalProtobufData(new(protobuf.ContactCodeAdvertisement))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_REQUEST:
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return m.unmarshalProtobufData(new(protobuf.PushNotificationRequest))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_REGISTRATION_RESPONSE:
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return m.unmarshalProtobufData(new(protobuf.PushNotificationRegistrationResponse))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_QUERY:
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return m.unmarshalProtobufData(new(protobuf.PushNotificationQuery))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_QUERY_RESPONSE:
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return m.unmarshalProtobufData(new(protobuf.PushNotificationQueryResponse))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_RESPONSE:
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return m.unmarshalProtobufData(new(protobuf.PushNotificationResponse))
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case protobuf.ApplicationMetadataMessage_EMOJI_REACTION:
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return m.unmarshalProtobufData(new(protobuf.EmojiReaction))
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case protobuf.ApplicationMetadataMessage_GROUP_CHAT_INVITATION:
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return m.unmarshalProtobufData(new(protobuf.GroupChatInvitation))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_DESCRIPTION:
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return m.unmarshalProtobufData(new(protobuf.CommunityDescription))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_INVITATION:
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return m.unmarshalProtobufData(new(protobuf.CommunityInvitation))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN:
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return m.unmarshalProtobufData(new(protobuf.CommunityRequestToJoin))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_EDIT_SHARED_ADDRESSES:
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return m.unmarshalProtobufData(new(protobuf.CommunityEditRevealedAccounts))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN_RESPONSE:
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return m.unmarshalProtobufData(new(protobuf.CommunityRequestToJoinResponse))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_CANCEL_REQUEST_TO_JOIN:
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return m.unmarshalProtobufData(new(protobuf.CommunityCancelRequestToJoin))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_LEAVE:
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return m.unmarshalProtobufData(new(protobuf.CommunityRequestToLeave))
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case protobuf.ApplicationMetadataMessage_EDIT_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.EditMessage))
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case protobuf.ApplicationMetadataMessage_DELETE_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.DeleteMessage))
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case protobuf.ApplicationMetadataMessage_SYNC_DELETE_FOR_ME_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.DeleteForMeMessage))
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case protobuf.ApplicationMetadataMessage_STATUS_UPDATE:
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return m.unmarshalProtobufData(new(protobuf.StatusUpdate))
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case protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_REGISTRATION:
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// This message is a bit different as it's encrypted, so we pass it straight through
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v := reflect.ValueOf(m.UnwrappedPayload)
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m.ParsedMessage = &v
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return nil
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case protobuf.ApplicationMetadataMessage_CHAT_IDENTITY:
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return m.unmarshalProtobufData(new(protobuf.ChatIdentity))
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case protobuf.ApplicationMetadataMessage_ANONYMOUS_METRIC_BATCH:
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return m.unmarshalProtobufData(new(protobuf.AnonymousMetricBatch))
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case protobuf.ApplicationMetadataMessage_SYNC_CHAT_REMOVED:
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return m.unmarshalProtobufData(new(protobuf.SyncChatRemoved))
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case protobuf.ApplicationMetadataMessage_SYNC_CHAT_MESSAGES_READ:
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return m.unmarshalProtobufData(new(protobuf.SyncChatMessagesRead))
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case protobuf.ApplicationMetadataMessage_BACKUP:
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return m.unmarshalProtobufData(new(protobuf.Backup))
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case protobuf.ApplicationMetadataMessage_SYNC_ACTIVITY_CENTER_READ:
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return m.unmarshalProtobufData(new(protobuf.SyncActivityCenterRead))
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case protobuf.ApplicationMetadataMessage_SYNC_ACTIVITY_CENTER_ACCEPTED:
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return m.unmarshalProtobufData(new(protobuf.SyncActivityCenterAccepted))
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case protobuf.ApplicationMetadataMessage_SYNC_ACTIVITY_CENTER_DISMISSED:
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return m.unmarshalProtobufData(new(protobuf.SyncActivityCenterDismissed))
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case protobuf.ApplicationMetadataMessage_SYNC_BOOKMARK:
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return m.unmarshalProtobufData(new(protobuf.SyncBookmark))
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case protobuf.ApplicationMetadataMessage_SYNC_CLEAR_HISTORY:
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return m.unmarshalProtobufData(new(protobuf.SyncClearHistory))
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case protobuf.ApplicationMetadataMessage_SYNC_SETTING:
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return m.unmarshalProtobufData(new(protobuf.SyncSetting))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_ARCHIVE_MAGNETLINK:
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return m.unmarshalProtobufData(new(protobuf.CommunityMessageArchiveMagnetlink))
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case protobuf.ApplicationMetadataMessage_SYNC_ACCOUNT:
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return m.unmarshalProtobufData(new(protobuf.SyncAccount))
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case protobuf.ApplicationMetadataMessage_ACCEPT_CONTACT_REQUEST:
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return m.unmarshalProtobufData(new(protobuf.AcceptContactRequest))
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case protobuf.ApplicationMetadataMessage_RETRACT_CONTACT_REQUEST:
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return m.unmarshalProtobufData(new(protobuf.RetractContactRequest))
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case protobuf.ApplicationMetadataMessage_SYNC_COMMUNITY_SETTINGS:
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return m.unmarshalProtobufData(new(protobuf.SyncCommunitySettings))
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case protobuf.ApplicationMetadataMessage_REQUEST_CONTACT_VERIFICATION:
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return m.unmarshalProtobufData(new(protobuf.RequestContactVerification))
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case protobuf.ApplicationMetadataMessage_ACCEPT_CONTACT_VERIFICATION:
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return m.unmarshalProtobufData(new(protobuf.AcceptContactVerification))
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case protobuf.ApplicationMetadataMessage_CANCEL_CONTACT_VERIFICATION:
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return m.unmarshalProtobufData(new(protobuf.CancelContactVerification))
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case protobuf.ApplicationMetadataMessage_DECLINE_CONTACT_VERIFICATION:
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return m.unmarshalProtobufData(new(protobuf.DeclineContactVerification))
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case protobuf.ApplicationMetadataMessage_SYNC_TRUSTED_USER:
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return m.unmarshalProtobufData((new(protobuf.SyncTrustedUser)))
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case protobuf.ApplicationMetadataMessage_SYNC_VERIFICATION_REQUEST:
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return m.unmarshalProtobufData((new(protobuf.SyncVerificationRequest)))
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case protobuf.ApplicationMetadataMessage_SYNC_CONTACT_REQUEST_DECISION:
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return m.unmarshalProtobufData((new(protobuf.SyncContactRequestDecision)))
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case protobuf.ApplicationMetadataMessage_SYNC_SAVED_ADDRESS:
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return m.unmarshalProtobufData(new(protobuf.SyncSavedAddress))
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case protobuf.ApplicationMetadataMessage_SYNC_SOCIAL_LINKS:
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return m.unmarshalProtobufData(new(protobuf.SyncSocialLinks))
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case protobuf.ApplicationMetadataMessage_SYNC_ENS_USERNAME_DETAIL:
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return m.unmarshalProtobufData(new(protobuf.SyncEnsUsernameDetail))
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case protobuf.ApplicationMetadataMessage_SYNC_KEYPAIR:
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return m.unmarshalProtobufData(new(protobuf.SyncKeypair))
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case protobuf.ApplicationMetadataMessage_SYNC_ACTIVITY_CENTER_NOTIFICATION:
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return m.unmarshalProtobufData(new(protobuf.SyncActivityCenterNotifications))
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case protobuf.ApplicationMetadataMessage_SYNC_ACTIVITY_CENTER_NOTIFICATION_STATE:
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return m.unmarshalProtobufData(new(protobuf.SyncActivityCenterNotificationState))
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case protobuf.ApplicationMetadataMessage_COMMUNITY_ADMIN_MESSAGE:
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return m.unmarshalProtobufData(new(protobuf.CommunityEventsMessage))
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case protobuf.ApplicationMetadataMessage_SYNC_ACCOUNT_CUSTOMIZATION_COLOR:
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return m.unmarshalProtobufData(new(protobuf.SyncAccountCustomizationColor))
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}
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return nil
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}
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func (m *StatusMessage) unmarshalProtobufData(pb proto.Message) error {
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var ptr proto.Message
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rv := reflect.ValueOf(pb)
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if rv.Kind() == reflect.Ptr {
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ptr = pb
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} else {
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ptr = rv.Addr().Interface().(proto.Message)
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}
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err := proto.Unmarshal(m.UnwrappedPayload, ptr)
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if err != nil {
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m.ParsedMessage = nil
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log.Error("[message::DecodeMessage] could not decode %T: %#x, err: %v", pb, m.Hash, err.Error())
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} else {
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rv = reflect.ValueOf(ptr)
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elem := rv.Elem()
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m.ParsedMessage = &elem
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return nil
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}
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return nil
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}
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