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status-go
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status-go/protocol/messenger.go

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package protocol
import (
"context"
"crypto/ecdsa"
"database/sql"
"encoding/hex"
"io/ioutil"
"math/rand"
"os"
"reflect"
"sync"
"time"
"github.com/pkg/errors"
"go.uber.org/zap"
"github.com/golang/protobuf/proto"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/eth-node/types"
enstypes "github.com/status-im/status-go/eth-node/types/ens"
"github.com/status-im/status-go/protocol/audio"
"github.com/status-im/status-go/protocol/common"
"github.com/status-im/status-go/protocol/encryption"
"github.com/status-im/status-go/protocol/encryption/multidevice"
"github.com/status-im/status-go/protocol/encryption/sharedsecret"
"github.com/status-im/status-go/protocol/identity/alias"
"github.com/status-im/status-go/protocol/identity/identicon"
"github.com/status-im/status-go/protocol/images"
"github.com/status-im/status-go/protocol/protobuf"
"github.com/status-im/status-go/protocol/pushnotificationclient"
"github.com/status-im/status-go/protocol/pushnotificationserver"
"github.com/status-im/status-go/protocol/sqlite"
"github.com/status-im/status-go/protocol/transport"
wakutransp "github.com/status-im/status-go/protocol/transport/waku"
shhtransp "github.com/status-im/status-go/protocol/transport/whisper"
v1protocol "github.com/status-im/status-go/protocol/v1"
)
const PubKeyStringLength = 132
const transactionSentTxt = "Transaction sent"
var (
ErrChatIDEmpty = errors.New("chat ID is empty")
ErrChatNotFound = errors.New("can't find chat")
ErrNotImplemented = errors.New("not implemented")
)
// Messenger is a entity managing chats and messages.
// It acts as a bridge between the application and encryption
// layers.
// It needs to expose an interface to manage installations
// because installations are managed by the user.
// Similarly, it needs to expose an interface to manage
// mailservers because they can also be managed by the user.
type Messenger struct {
node types.Node
config *config
identity *ecdsa.PrivateKey
persistence *sqlitePersistence
transport transport.Transport
encryptor *encryption.Protocol
processor *common.MessageProcessor
handler *MessageHandler
pushNotificationClient *pushnotificationclient.Client
pushNotificationServer *pushnotificationserver.Server
logger *zap.Logger
verifyTransactionClient EthClient
featureFlags common.FeatureFlags
messagesPersistenceEnabled bool
shutdownTasks []func() error
systemMessagesTranslations map[protobuf.MembershipUpdateEvent_EventType]string
allChats map[string]*Chat
allContacts map[string]*Contact
allInstallations map[string]*multidevice.Installation
modifiedInstallations map[string]bool
installationID string
mailserver []byte
database *sql.DB
quit chan struct{}
mutex sync.Mutex
}
type RawResponse struct {
Filter *transport.Filter `json:"filter"`
Messages []*v1protocol.StatusMessage `json:"messages"`
}
type MessengerResponse struct {
Chats []*Chat `json:"chats,omitempty"`
Messages []*common.Message `json:"messages,omitempty"`
Contacts []*Contact `json:"contacts,omitempty"`
Installations []*multidevice.Installation `json:"installations,omitempty"`
EmojiReactions []*EmojiReaction `json:"emojiReactions,omitempty"`
Invitations []*GroupChatInvitation `json:"invitations,omitempty"`
}
func (m *MessengerResponse) IsEmpty() bool {
return len(m.Chats) == 0 && len(m.Messages) == 0 && len(m.Contacts) == 0 && len(m.Installations) == 0 && len(m.Invitations) == 0
}
type dbConfig struct {
dbPath string
dbKey string
}
func NewMessenger(
identity *ecdsa.PrivateKey,
node types.Node,
installationID string,
opts ...Option,
) (*Messenger, error) {
var messenger *Messenger
c := config{}
for _, opt := range opts {
if err := opt(&c); err != nil {
return nil, err
}
}
logger := c.logger
if c.logger == nil {
var err error
if logger, err = zap.NewDevelopment(); err != nil {
return nil, errors.Wrap(err, "failed to create a logger")
}
}
if c.systemMessagesTranslations == nil {
c.systemMessagesTranslations = defaultSystemMessagesTranslations
}
// Configure the database.
database := c.db
if c.db == nil && c.dbConfig == (dbConfig{}) {
return nil, errors.New("database instance or database path needs to be provided")
}
if c.db == nil {
logger.Info("opening a database", zap.String("dbPath", c.dbConfig.dbPath))
var err error
database, err = sqlite.Open(c.dbConfig.dbPath, c.dbConfig.dbKey)
if err != nil {
return nil, errors.Wrap(err, "failed to initialize database from the db config")
}
}
// Apply migrations for all components.
err := sqlite.Migrate(database)
if err != nil {
return nil, errors.Wrap(err, "failed to apply migrations")
}
// Initialize transport layer.
var transp transport.Transport
if shh, err := node.GetWhisper(nil); err == nil && shh != nil {
transp, err = shhtransp.NewTransport(
shh,
identity,
database,
nil,
c.envelopesMonitorConfig,
logger,
)
if err != nil {
return nil, errors.Wrap(err, "failed to create Transport")
}
} else {
logger.Info("failed to find Whisper service; trying Waku", zap.Error(err))
waku, err := node.GetWaku(nil)
if err != nil || waku == nil {
return nil, errors.Wrap(err, "failed to find Whisper and Waku services")
}
transp, err = wakutransp.NewTransport(
waku,
identity,
database,
nil,
c.envelopesMonitorConfig,
logger,
)
if err != nil {
return nil, errors.Wrap(err, "failed to create Transport")
}
}
// Initialize encryption layer.
encryptionProtocol := encryption.New(
database,
installationID,
logger,
)
processor, err := common.NewMessageProcessor(
identity,
database,
encryptionProtocol,
transp,
logger,
c.featureFlags,
)
if err != nil {
return nil, errors.Wrap(err, "failed to create messageProcessor")
}
// Initialize push notification server
var pushNotificationServer *pushnotificationserver.Server
if c.pushNotificationServerConfig != nil && c.pushNotificationServerConfig.Enabled {
c.pushNotificationServerConfig.Identity = identity
pushNotificationServerPersistence := pushnotificationserver.NewSQLitePersistence(database)
pushNotificationServer = pushnotificationserver.New(c.pushNotificationServerConfig, pushNotificationServerPersistence, processor)
}
// Initialize push notification client
pushNotificationClientPersistence := pushnotificationclient.NewPersistence(database)
pushNotificationClientConfig := c.pushNotificationClientConfig
if pushNotificationClientConfig == nil {
pushNotificationClientConfig = &pushnotificationclient.Config{}
}
// Overriding until we handle different identities
pushNotificationClientConfig.Identity = identity
pushNotificationClientConfig.Logger = logger
pushNotificationClientConfig.InstallationID = installationID
pushNotificationClient := pushnotificationclient.New(pushNotificationClientPersistence, pushNotificationClientConfig, processor, &sqlitePersistence{db: database})
handler := newMessageHandler(identity, logger, &sqlitePersistence{db: database})
messenger = &Messenger{
config: &c,
node: node,
identity: identity,
persistence: &sqlitePersistence{db: database},
transport: transp,
encryptor: encryptionProtocol,
processor: processor,
handler: handler,
pushNotificationClient: pushNotificationClient,
pushNotificationServer: pushNotificationServer,
featureFlags: c.featureFlags,
systemMessagesTranslations: c.systemMessagesTranslations,
allChats: make(map[string]*Chat),
allContacts: make(map[string]*Contact),
allInstallations: make(map[string]*multidevice.Installation),
installationID: installationID,
modifiedInstallations: make(map[string]bool),
messagesPersistenceEnabled: c.messagesPersistenceEnabled,
verifyTransactionClient: c.verifyTransactionClient,
database: database,
quit: make(chan struct{}),
shutdownTasks: []func() error{
database.Close,
pushNotificationClient.Stop,
encryptionProtocol.Stop,
transp.ResetFilters,
transp.Stop,
func() error { processor.Stop(); return nil },
// Currently this often fails, seems like it's safe to ignore them
// https://github.com/uber-go/zap/issues/328
func() error { _ = logger.Sync; return nil },
},
logger: logger,
}
logger.Debug("messages persistence", zap.Bool("enabled", c.messagesPersistenceEnabled))
return messenger, nil
}
func (m *Messenger) Start() error {
m.logger.Info("starting messenger", zap.String("identity", types.EncodeHex(crypto.FromECDSAPub(&m.identity.PublicKey))))
// Start push notification server
if m.pushNotificationServer != nil {
if err := m.pushNotificationServer.Start(); err != nil {
return err
}
}
// Start push notification client
if m.pushNotificationClient != nil {
m.handlePushNotificationClientRegistrations(m.pushNotificationClient.SubscribeToRegistrations())
if err := m.pushNotificationClient.Start(); err != nil {
return err
}
}
// set shared secret handles
m.processor.SetHandleSharedSecrets(m.handleSharedSecrets)
subscriptions, err := m.encryptor.Start(m.identity)
if err != nil {
return err
}
// handle stored shared secrets
err = m.handleSharedSecrets(subscriptions.SharedSecrets)
if err != nil {
return err
}
m.handleEncryptionLayerSubscriptions(subscriptions)
m.handleConnectionChange(m.online())
m.watchConnectionChange()
return nil
}
// handle connection change is called each time we go from offline/online or viceversa
func (m *Messenger) handleConnectionChange(online bool) {
if online {
if m.pushNotificationClient != nil {
m.pushNotificationClient.Online()
}
} else {
if m.pushNotificationClient != nil {
m.pushNotificationClient.Offline()
}
}
}
func (m *Messenger) online() bool {
return m.node.PeersCount() > 0
}
func (m *Messenger) buildContactCodeAdvertisement() (*protobuf.ContactCodeAdvertisement, error) {
if m.pushNotificationClient == nil || !m.pushNotificationClient.Enabled() {
return nil, nil
}
m.logger.Debug("adding push notification info to contact code bundle")
info, err := m.pushNotificationClient.MyPushNotificationQueryInfo()
if err != nil {
return nil, err
}
if len(info) == 0 {
return nil, nil
}
return &protobuf.ContactCodeAdvertisement{
PushNotificationInfo: info,
}, nil
}
// handleSendContactCode sends a public message wrapped in the encryption
// layer, which will propagate our bundle
func (m *Messenger) handleSendContactCode() error {
var payload []byte
m.logger.Debug("sending contact code")
contactCodeAdvertisement, err := m.buildContactCodeAdvertisement()
if err != nil {
m.logger.Error("could not build contact code advertisement", zap.Error(err))
}
if contactCodeAdvertisement != nil {
payload, err = proto.Marshal(contactCodeAdvertisement)
if err != nil {
return err
}
}
contactCodeTopic := transport.ContactCodeTopic(&m.identity.PublicKey)
rawMessage := common.RawMessage{
LocalChatID: contactCodeTopic,
MessageType: protobuf.ApplicationMetadataMessage_CONTACT_CODE_ADVERTISEMENT,
Payload: payload,
}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
_, err = m.processor.SendPublic(ctx, contactCodeTopic, rawMessage)
if err != nil {
m.logger.Warn("failed to send a contact code", zap.Error(err))
}
return err
}
// handleSharedSecrets process the negotiated secrets received from the encryption layer
func (m *Messenger) handleSharedSecrets(secrets []*sharedsecret.Secret) error {
logger := m.logger.With(zap.String("site", "handleSharedSecrets"))
var result []*transport.Filter
for _, secret := range secrets {
logger.Debug("received shared secret", zap.Binary("identity", crypto.FromECDSAPub(secret.Identity)))
fSecret := types.NegotiatedSecret{
PublicKey: secret.Identity,
Key: secret.Key,
}
filter, err := m.transport.ProcessNegotiatedSecret(fSecret)
if err != nil {
return err
}
result = append(result, filter)
}
if m.config.onNegotiatedFilters != nil {
m.config.onNegotiatedFilters(result)
}
return nil
}
// handleInstallations adds the installations in the installations map
func (m *Messenger) handleInstallations(installations []*multidevice.Installation) {
for _, installation := range installations {
if installation.Identity == contactIDFromPublicKey(&m.identity.PublicKey) {
if _, ok := m.allInstallations[installation.ID]; !ok {
m.allInstallations[installation.ID] = installation
m.modifiedInstallations[installation.ID] = true
}
}
}
}
// handleEncryptionLayerSubscriptions handles events from the encryption layer
func (m *Messenger) handleEncryptionLayerSubscriptions(subscriptions *encryption.Subscriptions) {
go func() {
for {
select {
case <-subscriptions.SendContactCode:
if err := m.handleSendContactCode(); err != nil {
m.logger.Error("failed to publish contact code", zap.Error(err))
}
case <-subscriptions.Quit:
m.logger.Debug("quitting encryption subscription loop")
return
}
}
}()
}
// watchConnectionChange checks the connection status and call handleConnectionChange when this changes
func (m *Messenger) watchConnectionChange() {
m.logger.Debug("watching connection changes")
state := m.online()
go func() {
for {
select {
case <-time.After(200 * time.Millisecond):
newState := m.online()
if state != newState {
state = newState
m.logger.Debug("connection changed", zap.Bool("online", state))
m.handleConnectionChange(state)
}
case <-m.quit:
return
}
}
}()
}
// handlePushNotificationClientRegistration handles registration events
func (m *Messenger) handlePushNotificationClientRegistrations(c chan struct{}) {
go func() {
for {
_, more := <-c
if !more {
return
}
if err := m.handleSendContactCode(); err != nil {
m.logger.Error("failed to publish contact code", zap.Error(err))
}
}
}()
}
// Init analyzes chats and contacts in order to setup filters
// which are responsible for retrieving messages.
func (m *Messenger) Init() error {
m.mutex.Lock()
defer m.mutex.Unlock()
// Seed the for color generation
rand.Seed(time.Now().Unix())
logger := m.logger.With(zap.String("site", "Init"))
var (
publicChatIDs []string
publicKeys []*ecdsa.PublicKey
)
// Get chat IDs and public keys from the existing chats.
// TODO: Get only active chats by the query.
chats, err := m.persistence.Chats()
if err != nil {
return err
}
for _, chat := range chats {
if err := chat.Validate(); err != nil {
logger.Warn("failed to validate chat", zap.Error(err))
continue
}
m.allChats[chat.ID] = chat
if !chat.Active {
continue
}
switch chat.ChatType {
case ChatTypePublic, ChatTypeProfile:
publicChatIDs = append(publicChatIDs, chat.ID)
case ChatTypeOneToOne:
pk, err := chat.PublicKey()
if err != nil {
return err
}
publicKeys = append(publicKeys, pk)
case ChatTypePrivateGroupChat:
for _, member := range chat.Members {
publicKey, err := member.PublicKey()
if err != nil {
return errors.Wrapf(err, "invalid public key for member %s in chat %s", member.ID, chat.Name)
}
publicKeys = append(publicKeys, publicKey)
}
default:
return errors.New("invalid chat type")
}
}
// Get chat IDs and public keys from the contacts.
contacts, err := m.persistence.Contacts()
if err != nil {
return err
}
for _, contact := range contacts {
m.allContacts[contact.ID] = contact
// We only need filters for contacts added by us and not blocked.
if !contact.IsAdded() || contact.IsBlocked() {
continue
}
publicKey, err := contact.PublicKey()
if err != nil {
logger.Error("failed to get contact's public key", zap.Error(err))
continue
}
publicKeys = append(publicKeys, publicKey)
}
installations, err := m.encryptor.GetOurInstallations(&m.identity.PublicKey)
if err != nil {
return err
}
for _, installation := range installations {
m.allInstallations[installation.ID] = installation
}
_, err = m.transport.InitFilters(publicChatIDs, publicKeys)
return err
}
// Shutdown takes care of ensuring a clean shutdown of Messenger
func (m *Messenger) Shutdown() (err error) {
for _, task := range m.shutdownTasks {
if tErr := task(); tErr != nil {
if err == nil {
// First error appeared.
err = tErr
} else {
// We return all errors. They will be concatenated in the order of occurrence,
// however, they will also be returned as a single error.
err = errors.Wrap(err, tErr.Error())
}
}
}
close(m.quit)
return
}
func (m *Messenger) EnableInstallation(id string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
installation, ok := m.allInstallations[id]
if !ok {
return errors.New("no installation found")
}
err := m.encryptor.EnableInstallation(&m.identity.PublicKey, id)
if err != nil {
return err
}
installation.Enabled = true
m.allInstallations[id] = installation
return nil
}
func (m *Messenger) DisableInstallation(id string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
installation, ok := m.allInstallations[id]
if !ok {
return errors.New("no installation found")
}
err := m.encryptor.DisableInstallation(&m.identity.PublicKey, id)
if err != nil {
return err
}
installation.Enabled = false
m.allInstallations[id] = installation
return nil
}
func (m *Messenger) Installations() []*multidevice.Installation {
m.mutex.Lock()
defer m.mutex.Unlock()
installations := make([]*multidevice.Installation, len(m.allInstallations))
var i = 0
for _, installation := range m.allInstallations {
installations[i] = installation
i++
}
return installations
}
func (m *Messenger) setInstallationMetadata(id string, data *multidevice.InstallationMetadata) error {
installation, ok := m.allInstallations[id]
if !ok {
return errors.New("no installation found")
}
installation.InstallationMetadata = data
return m.encryptor.SetInstallationMetadata(&m.identity.PublicKey, id, data)
}
func (m *Messenger) SetInstallationMetadata(id string, data *multidevice.InstallationMetadata) error {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.setInstallationMetadata(id, data)
}
// NOT IMPLEMENTED
func (m *Messenger) SelectMailserver(id string) error {
return ErrNotImplemented
}
// NOT IMPLEMENTED
func (m *Messenger) AddMailserver(enode string) error {
return ErrNotImplemented
}
// NOT IMPLEMENTED
func (m *Messenger) RemoveMailserver(id string) error {
return ErrNotImplemented
}
// NOT IMPLEMENTED
func (m *Messenger) Mailservers() ([]string, error) {
return nil, ErrNotImplemented
}
func (m *Messenger) Join(chat Chat) error {
switch chat.ChatType {
case ChatTypeOneToOne:
pk, err := chat.PublicKey()
if err != nil {
return err
}
return m.transport.JoinPrivate(pk)
case ChatTypePrivateGroupChat:
members, err := chat.MembersAsPublicKeys()
if err != nil {
return err
}
return m.transport.JoinGroup(members)
case ChatTypePublic, ChatTypeProfile:
return m.transport.JoinPublic(chat.ID)
default:
return errors.New("chat is neither public nor private")
}
}
// This is not accurate, it should not leave transport on removal of chat/group
// only once there is no more: Group chat with that member, one-to-one chat, contact added by us
func (m *Messenger) Leave(chat Chat) error {
switch chat.ChatType {
case ChatTypeOneToOne:
pk, err := chat.PublicKey()
if err != nil {
return err
}
return m.transport.LeavePrivate(pk)
case ChatTypePrivateGroupChat:
members, err := chat.MembersAsPublicKeys()
if err != nil {
return err
}
return m.transport.LeaveGroup(members)
case ChatTypePublic, ChatTypeProfile:
return m.transport.LeavePublic(chat.Name)
default:
return errors.New("chat is neither public nor private")
}
}
func (m *Messenger) CreateGroupChatWithMembers(ctx context.Context, name string, members []string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
logger := m.logger.With(zap.String("site", "CreateGroupChatWithMembers"))
logger.Info("Creating group chat", zap.String("name", name), zap.Any("members", members))
chat := CreateGroupChat(m.getTimesource())
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
group, err := v1protocol.NewGroupWithCreator(name, clock, m.identity)
if err != nil {
return nil, err
}
chat.LastClockValue = clock
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
clock, _ = chat.NextClockAndTimestamp(m.getTimesource())
// Add members
if len(members) > 0 {
event := v1protocol.NewMembersAddedEvent(members, clock)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
m.allChats[chat.ID] = &chat
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
response.Chats = []*Chat{&chat}
response.Messages = buildSystemMessages(chat.MembershipUpdates, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(&chat)
}
func (m *Messenger) CreateGroupChatFromInvitation(name string, chatID string, adminPK string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
logger := m.logger.With(zap.String("site", "CreateGroupChatFromInvitation"))
logger.Info("Creating group chat from invitation", zap.String("name", name))
chat := CreateGroupChat(m.getTimesource())
chat.ID = chatID
chat.Name = name
chat.InvitationAdmin = adminPK
response.Chats = []*Chat{&chat}
return &response, m.saveChat(&chat)
}
func (m *Messenger) RemoveMemberFromGroupChat(ctx context.Context, chatID string, member string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
logger := m.logger.With(zap.String("site", "RemoveMemberFromGroupChat"))
logger.Info("Removing member form group chat", zap.String("chatID", chatID), zap.String("member", member))
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
// We save the initial recipients as we want to send updates to also
// the members kicked out
oldRecipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
// Remove member
event := v1protocol.NewMemberRemovedEvent(member, clock)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: oldRecipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages(chat.MembershipUpdates, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) AddMembersToGroupChat(ctx context.Context, chatID string, members []string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
logger := m.logger.With(zap.String("site", "AddMembersFromGroupChat"))
logger.Info("Adding members form group chat", zap.String("chatID", chatID), zap.Any("members", members))
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
// Add members
event := v1protocol.NewMembersAddedEvent(members, clock)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
//approve invitations
for _, member := range members {
logger.Info("ApproveInvitationByChatIdAndFrom", zap.String("chatID", chatID), zap.Any("member", member))
groupChatInvitation := &GroupChatInvitation{
GroupChatInvitation: protobuf.GroupChatInvitation{
ChatId: chat.ID,
},
From: member,
}
groupChatInvitation, err = m.persistence.InvitationByID(groupChatInvitation.ID())
if err != nil && err != common.ErrRecordNotFound {
return nil, err
}
if groupChatInvitation != nil {
groupChatInvitation.State = protobuf.GroupChatInvitation_APPROVED
err := m.persistence.SaveInvitation(groupChatInvitation)
if err != nil {
return nil, err
}
response.Invitations = append(response.Invitations, groupChatInvitation)
}
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages([]v1protocol.MembershipUpdateEvent{event}, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) ChangeGroupChatName(ctx context.Context, chatID string, name string) (*MessengerResponse, error) {
logger := m.logger.With(zap.String("site", "ChangeGroupChatName"))
logger.Info("Changing group chat name", zap.String("chatID", chatID), zap.String("name", name))
m.mutex.Lock()
defer m.mutex.Unlock()
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
// Add members
event := v1protocol.NewNameChangedEvent(name, clock)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
// Update in-memory group
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
var response MessengerResponse
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages([]v1protocol.MembershipUpdateEvent{event}, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) SendGroupChatInvitationRequest(ctx context.Context, chatID string, adminPK string,
message string) (*MessengerResponse, error) {
logger := m.logger.With(zap.String("site", "SendGroupChatInvitationRequest"))
logger.Info("Sending group chat invitation request", zap.String("chatID", chatID),
zap.String("adminPK", adminPK), zap.String("message", message))
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
// Get chat and clock
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
invitationR := &GroupChatInvitation{
GroupChatInvitation: protobuf.GroupChatInvitation{
Clock: clock,
ChatId: chatID,
IntroductionMessage: message,
State: protobuf.GroupChatInvitation_REQUEST,
},
From: types.EncodeHex(crypto.FromECDSAPub(&m.identity.PublicKey)),
}
encodedMessage, err := proto.Marshal(invitationR.GetProtobuf())
if err != nil {
return nil, err
}
spec := common.RawMessage{
LocalChatID: adminPK,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_GROUP_CHAT_INVITATION,
ResendAutomatically: true,
}
pkey, err := hex.DecodeString(adminPK[2:])
if err != nil {
return nil, err
}
// Safety check, make sure is well formed
adminpk, err := crypto.UnmarshalPubkey(pkey)
if err != nil {
return nil, err
}
id, err := m.processor.SendPrivate(ctx, adminpk, spec)
if err != nil {
return nil, err
}
spec.ID = types.EncodeHex(id)
spec.SendCount++
err = m.persistence.SaveRawMessage(&spec)
if err != nil {
return nil, err
}
response.Invitations = []*GroupChatInvitation{invitationR}
err = m.persistence.SaveInvitation(invitationR)
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) GetGroupChatInvitations() ([]*GroupChatInvitation, error) {
return m.persistence.GetGroupChatInvitations()
}
func (m *Messenger) SendGroupChatInvitationRejection(ctx context.Context, invitationRequestID string) (*MessengerResponse, error) {
logger := m.logger.With(zap.String("site", "SendGroupChatInvitationRejection"))
logger.Info("Sending group chat invitation reject", zap.String("invitationRequestID", invitationRequestID))
m.mutex.Lock()
defer m.mutex.Unlock()
invitationR, err := m.persistence.InvitationByID(invitationRequestID)
if err != nil {
return nil, err
}
invitationR.State = protobuf.GroupChatInvitation_REJECTED
// Get chat and clock
chat, ok := m.allChats[invitationR.ChatId]
if !ok {
return nil, ErrChatNotFound
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
invitationR.Clock = clock
encodedMessage, err := proto.Marshal(invitationR.GetProtobuf())
if err != nil {
return nil, err
}
spec := common.RawMessage{
LocalChatID: invitationR.From,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_GROUP_CHAT_INVITATION,
ResendAutomatically: true,
}
pkey, err := hex.DecodeString(invitationR.From[2:])
if err != nil {
return nil, err
}
// Safety check, make sure is well formed
userpk, err := crypto.UnmarshalPubkey(pkey)
if err != nil {
return nil, err
}
id, err := m.processor.SendPrivate(ctx, userpk, spec)
if err != nil {
return nil, err
}
spec.ID = types.EncodeHex(id)
spec.SendCount++
err = m.persistence.SaveRawMessage(&spec)
if err != nil {
return nil, err
}
var response MessengerResponse
response.Invitations = []*GroupChatInvitation{invitationR}
err = m.persistence.SaveInvitation(invitationR)
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) AddAdminsToGroupChat(ctx context.Context, chatID string, members []string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
logger := m.logger.With(zap.String("site", "AddAdminsToGroupChat"))
logger.Info("Add admins to group chat", zap.String("chatID", chatID), zap.Any("members", members))
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
// Add members
event := v1protocol.NewAdminsAddedEvent(members, clock)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages([]v1protocol.MembershipUpdateEvent{event}, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) ConfirmJoiningGroup(ctx context.Context, chatID string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
err := m.Join(*chat)
if err != nil {
return nil, err
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
event := v1protocol.NewMemberJoinedEvent(
clock,
)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages([]v1protocol.MembershipUpdateEvent{event}, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) LeaveGroupChat(ctx context.Context, chatID string, remove bool) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
err := m.Leave(*chat)
if err != nil {
return nil, err
}
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
event := v1protocol.NewMemberRemovedEvent(
contactIDFromPublicKey(&m.identity.PublicKey),
clock,
)
event.ChatID = chat.ID
err = event.Sign(m.identity)
if err != nil {
return nil, err
}
err = group.ProcessEvent(event)
if err != nil {
return nil, err
}
recipients, err := stringSliceToPublicKeys(group.Members(), true)
if err != nil {
return nil, err
}
encodedMessage, err := m.processor.EncodeMembershipUpdate(group, nil)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE,
Recipients: recipients,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
chat.updateChatFromGroupMembershipChanges(contactIDFromPublicKey(&m.identity.PublicKey), group)
if remove {
chat.Active = false
}
response.Chats = []*Chat{chat}
response.Messages = buildSystemMessages([]v1protocol.MembershipUpdateEvent{event}, m.systemMessagesTranslations)
err = m.persistence.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
return &response, m.saveChat(chat)
}
func (m *Messenger) saveChat(chat *Chat) error {
previousChat, ok := m.allChats[chat.ID]
if chat.OneToOne() {
name, identicon, err := generateAliasAndIdenticon(chat.ID)
if err != nil {
return err
}
chat.Alias = name
chat.Identicon = identicon
}
// Sync chat if it's a new active public chat
if !ok && chat.Active && chat.Public() {
if err := m.syncPublicChat(context.Background(), chat); err != nil {
return err
}
}
// We check if it's a new chat, or chat.Active has changed
// we check here, but we only re-register once the chat has been
// saved an added
shouldRegisterForPushNotifications := chat.Public() && (!ok && chat.Active) || (ok && chat.Active != previousChat.Active)
err := m.persistence.SaveChat(*chat)
if err != nil {
return err
}
m.allChats[chat.ID] = chat
if shouldRegisterForPushNotifications {
// Re-register for push notifications, as we want to receive mentions
if err := m.reregisterForPushNotifications(); err != nil {
return err
}
}
return nil
}
func (m *Messenger) saveChats(chats []*Chat) error {
err := m.persistence.SaveChats(chats)
if err != nil {
return err
}
for _, chat := range chats {
m.allChats[chat.ID] = chat
}
return nil
}
func (m *Messenger) SaveChat(chat *Chat) error {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.saveChat(chat)
}
func (m *Messenger) Chats() []*Chat {
m.mutex.Lock()
defer m.mutex.Unlock()
var chats []*Chat
for _, c := range m.allChats {
chats = append(chats, c)
}
return chats
}
func (m *Messenger) DeleteChat(chatID string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
err := m.persistence.DeleteChat(chatID)
if err != nil {
return err
}
chat, ok := m.allChats[chatID]
if ok && chat.Active && chat.Public() {
delete(m.allChats, chatID)
return m.reregisterForPushNotifications()
}
return nil
}
func (m *Messenger) isNewContact(contact *Contact) bool {
previousContact, ok := m.allContacts[contact.ID]
return contact.IsAdded() && (!ok || !previousContact.IsAdded())
}
func (m *Messenger) hasNicknameChanged(contact *Contact) bool {
previousContact, ok := m.allContacts[contact.ID]
if !ok {
return false
}
return contact.LocalNickname != previousContact.LocalNickname
}
func (m *Messenger) removedContact(contact *Contact) bool {
previousContact, ok := m.allContacts[contact.ID]
if !ok {
return false
}
return previousContact.IsAdded() && !contact.IsAdded()
}
func (m *Messenger) saveContact(contact *Contact) error {
name, identicon, err := generateAliasAndIdenticon(contact.ID)
if err != nil {
return err
}
contact.Identicon = identicon
contact.Alias = name
if m.isNewContact(contact) || m.hasNicknameChanged(contact) {
err := m.syncContact(context.Background(), contact)
if err != nil {
return err
}
}
// We check if it should re-register with the push notification server
shouldReregisterForPushNotifications := (m.isNewContact(contact) || m.removedContact(contact))
err = m.persistence.SaveContact(contact, nil)
if err != nil {
return err
}
m.allContacts[contact.ID] = contact
// Reregister only when data has changed
if shouldReregisterForPushNotifications {
return m.reregisterForPushNotifications()
}
return nil
}
func (m *Messenger) reregisterForPushNotifications() error {
m.logger.Info("contact state changed, re-registering for push notification")
if m.pushNotificationClient == nil {
return nil
}
return m.pushNotificationClient.Reregister(m.pushNotificationOptions())
}
func (m *Messenger) SaveContact(contact *Contact) error {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.saveContact(contact)
}
func (m *Messenger) BlockContact(contact *Contact) ([]*Chat, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
chats, err := m.persistence.BlockContact(contact)
if err != nil {
return nil, err
}
m.allContacts[contact.ID] = contact
for _, chat := range chats {
m.allChats[chat.ID] = chat
}
delete(m.allChats, contact.ID)
// re-register for push notifications
err = m.reregisterForPushNotifications()
if err != nil {
return nil, err
}
return chats, nil
}
func (m *Messenger) Contacts() []*Contact {
m.mutex.Lock()
defer m.mutex.Unlock()
var contacts []*Contact
for _, contact := range m.allContacts {
if contact.HasCustomFields() {
contacts = append(contacts, contact)
}
}
return contacts
}
// GetContactByID assumes pubKey includes 0x prefix
func (m *Messenger) GetContactByID(pubKey string) *Contact {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.allContacts[pubKey]
}
// ReSendChatMessage pulls a message from the database and sends it again
func (m *Messenger) ReSendChatMessage(ctx context.Context, messageID string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
message, err := m.persistence.RawMessageByID(messageID)
if err != nil {
return err
}
chat, ok := m.allChats[message.LocalChatID]
if !ok {
return errors.New("chat not found")
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: message.Payload,
MessageType: message.MessageType,
Recipients: message.Recipients,
ResendAutomatically: message.ResendAutomatically,
})
return err
}
func (m *Messenger) hasPairedDevices() bool {
var count int
for _, i := range m.allInstallations {
if i.Enabled {
count++
}
}
return count > 1
}
// sendToPairedDevices will check if we have any paired devices and send to them if necessary
func (m *Messenger) sendToPairedDevices(ctx context.Context, spec common.RawMessage) error {
hasPairedDevices := m.hasPairedDevices()
// We send a message to any paired device
if hasPairedDevices {
_, err := m.processor.SendPrivate(ctx, &m.identity.PublicKey, spec)
if err != nil {
return err
}
}
return nil
}
func (m *Messenger) dispatchPairInstallationMessage(ctx context.Context, spec common.RawMessage) ([]byte, error) {
var err error
var id []byte
id, err = m.processor.SendPairInstallation(ctx, &m.identity.PublicKey, spec)
if err != nil {
return nil, err
}
spec.ID = types.EncodeHex(id)
spec.SendCount++
err = m.persistence.SaveRawMessage(&spec)
if err != nil {
return nil, err
}
return id, nil
}
func (m *Messenger) dispatchMessage(ctx context.Context, spec common.RawMessage) ([]byte, error) {
var err error
var id []byte
logger := m.logger.With(zap.String("site", "dispatchMessage"), zap.String("chatID", spec.LocalChatID))
chat, ok := m.allChats[spec.LocalChatID]
if !ok {
return nil, errors.New("no chat found")
}
switch chat.ChatType {
case ChatTypeOneToOne:
publicKey, err := chat.PublicKey()
if err != nil {
return nil, err
}
if !common.IsPubKeyEqual(publicKey, &m.identity.PublicKey) {
id, err = m.processor.SendPrivate(ctx, publicKey, spec)
if err != nil {
return nil, err
}
}
err = m.sendToPairedDevices(ctx, spec)
if err != nil {
return nil, err
}
case ChatTypePublic, ChatTypeProfile:
logger.Debug("sending public message", zap.String("chatName", chat.Name))
id, err = m.processor.SendPublic(ctx, chat.ID, spec)
if err != nil {
return nil, err
}
case ChatTypePrivateGroupChat:
logger.Debug("sending group message", zap.String("chatName", chat.Name))
if spec.Recipients == nil {
// Chat messages are only dispatched to users who joined
if spec.MessageType == protobuf.ApplicationMetadataMessage_CHAT_MESSAGE {
spec.Recipients, err = chat.JoinedMembersAsPublicKeys()
if err != nil {
return nil, err
}
} else {
spec.Recipients, err = chat.MembersAsPublicKeys()
if err != nil {
return nil, err
}
}
}
hasPairedDevices := m.hasPairedDevices()
if !hasPairedDevices {
// Filter out my key from the recipients
n := 0
for _, recipient := range spec.Recipients {
if !common.IsPubKeyEqual(recipient, &m.identity.PublicKey) {
spec.Recipients[n] = recipient
n++
}
}
spec.Recipients = spec.Recipients[:n]
}
spec.MessageType = protobuf.ApplicationMetadataMessage_MEMBERSHIP_UPDATE_MESSAGE
// We always wrap in group information
id, err = m.processor.SendGroup(ctx, spec.Recipients, spec)
if err != nil {
return nil, err
}
default:
return nil, errors.New("chat type not supported")
}
spec.ID = types.EncodeHex(id)
spec.SendCount++
err = m.persistence.SaveRawMessage(&spec)
if err != nil {
return nil, err
}
return id, nil
}
// SendChatMessage takes a minimal message and sends it based on the corresponding chat
func (m *Messenger) SendChatMessage(ctx context.Context, message *common.Message) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
if len(message.ImagePath) != 0 {
file, err := os.Open(message.ImagePath)
if err != nil {
return nil, err
}
defer file.Close()
payload, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
image := protobuf.ImageMessage{
Payload: payload,
Type: images.ImageType(payload),
}
message.Payload = &protobuf.ChatMessage_Image{Image: &image}
}
if len(message.AudioPath) != 0 {
file, err := os.Open(message.AudioPath)
if err != nil {
return nil, err
}
defer file.Close()
payload, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
audioMessage := message.GetAudio()
if audioMessage == nil {
return nil, errors.New("no audio has been passed")
}
audioMessage.Payload = payload
audioMessage.Type = audio.Type(payload)
message.Payload = &protobuf.ChatMessage_Audio{Audio: audioMessage}
err = os.Remove(message.AudioPath)
if err != nil {
return nil, err
}
}
var response MessengerResponse
// A valid added chat is required.
chat, ok := m.allChats[message.ChatId]
if !ok {
return nil, errors.New("Chat not found")
}
err := extendMessageFromChat(message, chat, &m.identity.PublicKey, m.getTimesource())
if err != nil {
return nil, err
}
encodedMessage, err := m.encodeChatEntity(chat, message)
if err != nil {
return nil, err
}
id, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
SendPushNotification: m.featureFlags.PushNotifications,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_CHAT_MESSAGE,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(id)
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.getTimesource())
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Messages, err = m.pullMessagesAndResponsesFromDB([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
return &response, m.saveChat(chat)
}
// Send contact updates to all contacts added by us
func (m *Messenger) SendContactUpdates(ctx context.Context, ensName, profileImage string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
myID := contactIDFromPublicKey(&m.identity.PublicKey)
if _, err := m.sendContactUpdate(ctx, myID, ensName, profileImage); err != nil {
return err
}
// TODO: This should not be sending paired messages, as we do it above
for _, contact := range m.allContacts {
if contact.IsAdded() {
if _, err := m.sendContactUpdate(ctx, contact.ID, ensName, profileImage); err != nil {
return err
}
}
}
return nil
}
// NOTE: this endpoint does not add the contact, the reason being is that currently
// that's left as a responsibility to the client, which will call both `SendContactUpdate`
// and `SaveContact` with the correct system tag.
// Ideally we have a single endpoint that does both, but probably best to bring `ENS` name
// on the messenger first.
// SendContactUpdate sends a contact update to a user and adds the user to contacts
func (m *Messenger) SendContactUpdate(ctx context.Context, chatID, ensName, profileImage string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
return m.sendContactUpdate(ctx, chatID, ensName, profileImage)
}
func (m *Messenger) sendContactUpdate(ctx context.Context, chatID, ensName, profileImage string) (*MessengerResponse, error) {
var response MessengerResponse
contact, ok := m.allContacts[chatID]
if !ok {
pubkeyBytes, err := types.DecodeHex(chatID)
if err != nil {
return nil, err
}
publicKey, err := crypto.UnmarshalPubkey(pubkeyBytes)
if err != nil {
return nil, err
}
contact, err = buildContact(publicKey)
if err != nil {
return nil, err
}
}
chat, ok := m.allChats[chatID]
if !ok {
publicKey, err := contact.PublicKey()
if err != nil {
return nil, err
}
chat = OneToOneFromPublicKey(publicKey, m.getTimesource())
// We don't want to show the chat to the user
chat.Active = false
}
m.allChats[chat.ID] = chat
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
contactUpdate := &protobuf.ContactUpdate{
Clock: clock,
EnsName: ensName,
ProfileImage: profileImage}
encodedMessage, err := proto.Marshal(contactUpdate)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_CONTACT_UPDATE,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
response.Contacts = []*Contact{contact}
response.Chats = []*Chat{chat}
chat.LastClockValue = clock
err = m.saveChat(chat)
if err != nil {
return nil, err
}
return &response, m.saveContact(contact)
}
// SyncDevices sends all public chats and contacts to paired devices
func (m *Messenger) SyncDevices(ctx context.Context, ensName, photoPath string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
myID := contactIDFromPublicKey(&m.identity.PublicKey)
if _, err := m.sendContactUpdate(ctx, myID, ensName, photoPath); err != nil {
return err
}
for _, chat := range m.allChats {
if chat.Public() && chat.Active {
if err := m.syncPublicChat(ctx, chat); err != nil {
return err
}
}
}
for _, contact := range m.allContacts {
if contact.IsAdded() && contact.ID != myID {
if err := m.syncContact(ctx, contact); err != nil {
return err
}
}
}
return nil
}
// SendPairInstallation sends a pair installation message
func (m *Messenger) SendPairInstallation(ctx context.Context) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var err error
var response MessengerResponse
installation, ok := m.allInstallations[m.installationID]
if !ok {
return nil, errors.New("no installation found")
}
if installation.InstallationMetadata == nil {
return nil, errors.New("no installation metadata")
}
chatID := contactIDFromPublicKey(&m.identity.PublicKey)
chat, ok := m.allChats[chatID]
if !ok {
chat = OneToOneFromPublicKey(&m.identity.PublicKey, m.getTimesource())
// We don't want to show the chat to the user
chat.Active = false
}
m.allChats[chat.ID] = chat
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
pairMessage := &protobuf.PairInstallation{
Clock: clock,
Name: installation.InstallationMetadata.Name,
InstallationId: installation.ID,
DeviceType: installation.InstallationMetadata.DeviceType}
encodedMessage, err := proto.Marshal(pairMessage)
if err != nil {
return nil, err
}
_, err = m.dispatchPairInstallationMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_PAIR_INSTALLATION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
chat.LastClockValue = clock
err = m.saveChat(chat)
if err != nil {
return nil, err
}
return &response, nil
}
// syncPublicChat sync a public chat with paired devices
func (m *Messenger) syncPublicChat(ctx context.Context, publicChat *Chat) error {
var err error
if !m.hasPairedDevices() {
return nil
}
chatID := contactIDFromPublicKey(&m.identity.PublicKey)
chat, ok := m.allChats[chatID]
if !ok {
chat = OneToOneFromPublicKey(&m.identity.PublicKey, m.getTimesource())
// We don't want to show the chat to the user
chat.Active = false
}
m.allChats[chat.ID] = chat
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
syncMessage := &protobuf.SyncInstallationPublicChat{
Clock: clock,
Id: publicChat.ID,
}
encodedMessage, err := proto.Marshal(syncMessage)
if err != nil {
return err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_PUBLIC_CHAT,
ResendAutomatically: true,
})
if err != nil {
return err
}
chat.LastClockValue = clock
return m.saveChat(chat)
}
// syncContact sync as contact with paired devices
func (m *Messenger) syncContact(ctx context.Context, contact *Contact) error {
var err error
if !m.hasPairedDevices() {
return nil
}
chatID := contactIDFromPublicKey(&m.identity.PublicKey)
chat, ok := m.allChats[chatID]
if !ok {
chat = OneToOneFromPublicKey(&m.identity.PublicKey, m.getTimesource())
// We don't want to show the chat to the user
chat.Active = false
}
m.allChats[chat.ID] = chat
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
syncMessage := &protobuf.SyncInstallationContact{
Clock: clock,
Id: contact.ID,
EnsName: contact.Name,
ProfileImage: contact.Photo,
LocalNickname: contact.LocalNickname,
}
encodedMessage, err := proto.Marshal(syncMessage)
if err != nil {
return err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_SYNC_INSTALLATION_CONTACT,
ResendAutomatically: true,
})
if err != nil {
return err
}
chat.LastClockValue = clock
return m.saveChat(chat)
}
// RetrieveAll retrieves messages from all filters, processes them and returns a
// MessengerResponse to the client
func (m *Messenger) RetrieveAll() (*MessengerResponse, error) {
chatWithMessages, err := m.transport.RetrieveRawAll()
if err != nil {
return nil, err
}
return m.handleRetrievedMessages(chatWithMessages)
}
type CurrentMessageState struct {
// Message is the protobuf message received
Message protobuf.ChatMessage
// MessageID is the ID of the message
MessageID string
// WhisperTimestamp is the whisper timestamp of the message
WhisperTimestamp uint64
// Contact is the contact associated with the author of the message
Contact *Contact
// PublicKey is the public key of the author of the message
PublicKey *ecdsa.PublicKey
}
type ReceivedMessageState struct {
// State on the message being processed
CurrentMessageState *CurrentMessageState
// AllChats in memory
AllChats map[string]*Chat
// List of chats modified
ModifiedChats map[string]bool
// All contacts in memory
AllContacts map[string]*Contact
// List of contacts modified
ModifiedContacts map[string]bool
// All installations in memory
AllInstallations map[string]*multidevice.Installation
// List of installations modified
ModifiedInstallations map[string]bool
// Map of existing messages
ExistingMessagesMap map[string]bool
// EmojiReactions is a list of emoji reactions for the current batch
// indexed by from-message-id-emoji-type
EmojiReactions map[string]*EmojiReaction
// GroupChatInvitations is a list of invitation requests or rejections
GroupChatInvitations map[string]*GroupChatInvitation
// Response to the client
Response *MessengerResponse
// Timesource is a time source for clock values/timestamps.
Timesource TimeSource
}
func (m *Messenger) handleRetrievedMessages(chatWithMessages map[transport.Filter][]*types.Message) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
messageState := &ReceivedMessageState{
AllChats: m.allChats,
ModifiedChats: make(map[string]bool),
AllContacts: m.allContacts,
ModifiedContacts: make(map[string]bool),
AllInstallations: m.allInstallations,
ModifiedInstallations: m.modifiedInstallations,
ExistingMessagesMap: make(map[string]bool),
EmojiReactions: make(map[string]*EmojiReaction),
GroupChatInvitations: make(map[string]*GroupChatInvitation),
Response: &MessengerResponse{},
Timesource: m.getTimesource(),
}
logger := m.logger.With(zap.String("site", "RetrieveAll"))
for _, messages := range chatWithMessages {
for _, shhMessage := range messages {
// TODO: fix this to use an exported method.
statusMessages, err := m.processor.HandleMessages(shhMessage, true)
if err != nil {
logger.Info("failed to decode messages", zap.Error(err))
continue
}
logger.Debug("processing messages further", zap.Int("count", len(statusMessages)))
for _, msg := range statusMessages {
publicKey := msg.SigPubKey()
m.handleInstallations(msg.Installations)
err := m.handleSharedSecrets(msg.SharedSecrets)
if err != nil {
// log and continue, non-critical error
logger.Warn("failed to handle shared secrets")
}
// Check for messages from blocked users
senderID := contactIDFromPublicKey(publicKey)
if _, ok := messageState.AllContacts[senderID]; ok && messageState.AllContacts[senderID].IsBlocked() {
continue
}
// Don't process duplicates
messageID := types.EncodeHex(msg.ID)
exists, err := m.handler.messageExists(messageID, messageState.ExistingMessagesMap)
if err != nil {
logger.Warn("failed to check message exists", zap.Error(err))
}
if exists {
logger.Debug("messageExists", zap.String("messageID", messageID))
continue
}
var contact *Contact
if c, ok := messageState.AllContacts[senderID]; ok {
contact = c
} else {
c, err := buildContact(publicKey)
if err != nil {
logger.Info("failed to build contact", zap.Error(err))
continue
}
contact = c
messageState.AllContacts[senderID] = c
messageState.ModifiedContacts[contact.ID] = true
}
messageState.CurrentMessageState = &CurrentMessageState{
MessageID: messageID,
WhisperTimestamp: uint64(msg.TransportMessage.Timestamp) * 1000,
Contact: contact,
PublicKey: publicKey,
}
if msg.ParsedMessage != nil {
logger.Debug("Handling parsed message")
switch msg.ParsedMessage.Interface().(type) {
case protobuf.MembershipUpdateMessage:
logger.Debug("Handling MembershipUpdateMessage")
rawMembershipUpdate := msg.ParsedMessage.Interface().(protobuf.MembershipUpdateMessage)
err = m.handler.HandleMembershipUpdate(messageState, messageState.AllChats[rawMembershipUpdate.ChatId], rawMembershipUpdate, m.systemMessagesTranslations)
if err != nil {
logger.Warn("failed to handle MembershipUpdate", zap.Error(err))
continue
}
case protobuf.ChatMessage:
logger.Debug("Handling ChatMessage")
messageState.CurrentMessageState.Message = msg.ParsedMessage.Interface().(protobuf.ChatMessage)
err = m.handler.HandleChatMessage(messageState)
if err != nil {
logger.Warn("failed to handle ChatMessage", zap.Error(err))
continue
}
case protobuf.PairInstallation:
if !common.IsPubKeyEqual(messageState.CurrentMessageState.PublicKey, &m.identity.PublicKey) {
logger.Warn("not coming from us, ignoring")
continue
}
p := msg.ParsedMessage.Interface().(protobuf.PairInstallation)
logger.Debug("Handling PairInstallation", zap.Any("message", p))
err = m.handler.HandlePairInstallation(messageState, p)
if err != nil {
logger.Warn("failed to handle PairInstallation", zap.Error(err))
continue
}
case protobuf.SyncInstallationContact:
if !common.IsPubKeyEqual(messageState.CurrentMessageState.PublicKey, &m.identity.PublicKey) {
logger.Warn("not coming from us, ignoring")
continue
}
p := msg.ParsedMessage.Interface().(protobuf.SyncInstallationContact)
logger.Debug("Handling SyncInstallationContact", zap.Any("message", p))
err = m.handler.HandleSyncInstallationContact(messageState, p)
if err != nil {
logger.Warn("failed to handle SyncInstallationContact", zap.Error(err))
continue
}
case protobuf.SyncInstallationPublicChat:
if !common.IsPubKeyEqual(messageState.CurrentMessageState.PublicKey, &m.identity.PublicKey) {
logger.Warn("not coming from us, ignoring")
continue
}
p := msg.ParsedMessage.Interface().(protobuf.SyncInstallationPublicChat)
logger.Debug("Handling SyncInstallationPublicChat", zap.Any("message", p))
added := m.handler.HandleSyncInstallationPublicChat(messageState, p)
// We re-register as we want to receive mentions from the newly joined public chat
if added {
logger.Debug("newly synced public chat, re-registering for push notifications")
err := m.reregisterForPushNotifications()
if err != nil {
logger.Warn("could not re-register for push notifications", zap.Error(err))
continue
}
}
case protobuf.RequestAddressForTransaction:
command := msg.ParsedMessage.Interface().(protobuf.RequestAddressForTransaction)
logger.Debug("Handling RequestAddressForTransaction", zap.Any("message", command))
err = m.handler.HandleRequestAddressForTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle RequestAddressForTransaction", zap.Error(err))
continue
}
case protobuf.SendTransaction:
command := msg.ParsedMessage.Interface().(protobuf.SendTransaction)
logger.Debug("Handling SendTransaction", zap.Any("message", command))
err = m.handler.HandleSendTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle SendTransaction", zap.Error(err))
continue
}
case protobuf.AcceptRequestAddressForTransaction:
command := msg.ParsedMessage.Interface().(protobuf.AcceptRequestAddressForTransaction)
logger.Debug("Handling AcceptRequestAddressForTransaction")
err = m.handler.HandleAcceptRequestAddressForTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle AcceptRequestAddressForTransaction", zap.Error(err))
continue
}
case protobuf.DeclineRequestAddressForTransaction:
command := msg.ParsedMessage.Interface().(protobuf.DeclineRequestAddressForTransaction)
logger.Debug("Handling DeclineRequestAddressForTransaction")
err = m.handler.HandleDeclineRequestAddressForTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle DeclineRequestAddressForTransaction", zap.Error(err))
continue
}
case protobuf.DeclineRequestTransaction:
command := msg.ParsedMessage.Interface().(protobuf.DeclineRequestTransaction)
logger.Debug("Handling DeclineRequestTransaction")
err = m.handler.HandleDeclineRequestTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle DeclineRequestTransaction", zap.Error(err))
continue
}
case protobuf.RequestTransaction:
command := msg.ParsedMessage.Interface().(protobuf.RequestTransaction)
logger.Debug("Handling RequestTransaction")
err = m.handler.HandleRequestTransaction(messageState, command)
if err != nil {
logger.Warn("failed to handle RequestTransaction", zap.Error(err))
continue
}
case protobuf.ContactUpdate:
logger.Debug("Handling ContactUpdate")
contactUpdate := msg.ParsedMessage.Interface().(protobuf.ContactUpdate)
err = m.handler.HandleContactUpdate(messageState, contactUpdate)
if err != nil {
logger.Warn("failed to handle ContactUpdate", zap.Error(err))
continue
}
case protobuf.PushNotificationQuery:
logger.Debug("Received PushNotificationQuery")
if m.pushNotificationServer == nil {
continue
}
logger.Debug("Handling PushNotificationQuery")
if err := m.pushNotificationServer.HandlePushNotificationQuery(publicKey, msg.ID, msg.ParsedMessage.Interface().(protobuf.PushNotificationQuery)); err != nil {
logger.Warn("failed to handle PushNotificationQuery", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.PushNotificationRegistrationResponse:
logger.Debug("Received PushNotificationRegistrationResponse")
if m.pushNotificationClient == nil {
continue
}
logger.Debug("Handling PushNotificationRegistrationResponse")
if err := m.pushNotificationClient.HandlePushNotificationRegistrationResponse(publicKey, msg.ParsedMessage.Interface().(protobuf.PushNotificationRegistrationResponse)); err != nil {
logger.Warn("failed to handle PushNotificationRegistrationResponse", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.ContactCodeAdvertisement:
logger.Debug("Received ContactCodeAdvertisement")
if m.pushNotificationClient == nil {
continue
}
logger.Debug("Handling ContactCodeAdvertisement")
if err := m.pushNotificationClient.HandleContactCodeAdvertisement(publicKey, msg.ParsedMessage.Interface().(protobuf.ContactCodeAdvertisement)); err != nil {
logger.Warn("failed to handle ContactCodeAdvertisement", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.PushNotificationResponse:
logger.Debug("Received PushNotificationResponse")
if m.pushNotificationClient == nil {
continue
}
logger.Debug("Handling PushNotificationResponse")
if err := m.pushNotificationClient.HandlePushNotificationResponse(publicKey, msg.ParsedMessage.Interface().(protobuf.PushNotificationResponse)); err != nil {
logger.Warn("failed to handle PushNotificationResponse", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.PushNotificationQueryResponse:
logger.Debug("Received PushNotificationQueryResponse")
if m.pushNotificationClient == nil {
continue
}
logger.Debug("Handling PushNotificationQueryResponse")
if err := m.pushNotificationClient.HandlePushNotificationQueryResponse(publicKey, msg.ParsedMessage.Interface().(protobuf.PushNotificationQueryResponse)); err != nil {
logger.Warn("failed to handle PushNotificationQueryResponse", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.PushNotificationRequest:
logger.Debug("Received PushNotificationRequest")
if m.pushNotificationServer == nil {
continue
}
logger.Debug("Handling PushNotificationRequest")
if err := m.pushNotificationServer.HandlePushNotificationRequest(publicKey, msg.ID, msg.ParsedMessage.Interface().(protobuf.PushNotificationRequest)); err != nil {
logger.Warn("failed to handle PushNotificationRequest", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
case protobuf.EmojiReaction:
logger.Debug("Handling EmojiReaction")
err = m.handler.HandleEmojiReaction(messageState, msg.ParsedMessage.Interface().(protobuf.EmojiReaction))
if err != nil {
logger.Warn("failed to handle EmojiReaction", zap.Error(err))
continue
}
case protobuf.GroupChatInvitation:
logger.Debug("Handling GroupChatInvitation")
err = m.handler.HandleGroupChatInvitation(messageState, msg.ParsedMessage.Interface().(protobuf.GroupChatInvitation))
if err != nil {
logger.Warn("failed to handle GroupChatInvitation", zap.Error(err))
continue
}
default:
// Check if is an encrypted PushNotificationRegistration
if msg.Type == protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_REGISTRATION {
logger.Debug("Received PushNotificationRegistration")
if m.pushNotificationServer == nil {
continue
}
logger.Debug("Handling PushNotificationRegistration")
if err := m.pushNotificationServer.HandlePushNotificationRegistration(publicKey, msg.ParsedMessage.Interface().([]byte)); err != nil {
logger.Warn("failed to handle PushNotificationRegistration", zap.Error(err))
}
// We continue in any case, no changes to messenger
continue
}
logger.Debug("message not handled", zap.Any("messageType", reflect.TypeOf(msg.ParsedMessage.Interface())))
}
} else {
logger.Debug("parsed message is nil")
}
}
}
}
var contactsToSave []*Contact
for id := range messageState.ModifiedContacts {
contact := messageState.AllContacts[id]
if contact != nil {
// We save all contacts so we can pull back name/image,
// but we only send to client those
// that have some custom fields
contactsToSave = append(contactsToSave, contact)
if contact.HasCustomFields() {
messageState.Response.Contacts = append(messageState.Response.Contacts, contact)
}
}
}
for id := range messageState.ModifiedChats {
chat := messageState.AllChats[id]
if chat.OneToOne() {
contact, ok := m.allContacts[chat.ID]
if ok {
chat.Alias = contact.Alias
chat.Identicon = contact.Identicon
}
}
messageState.Response.Chats = append(messageState.Response.Chats, chat)
}
for id := range messageState.ModifiedInstallations {
installation := messageState.AllInstallations[id]
messageState.Response.Installations = append(messageState.Response.Installations, installation)
if installation.InstallationMetadata != nil {
err := m.setInstallationMetadata(id, installation.InstallationMetadata)
if err != nil {
return nil, err
}
}
}
var err error
if len(messageState.Response.Chats) > 0 {
err = m.saveChats(messageState.Response.Chats)
if err != nil {
return nil, err
}
}
if len(messageState.Response.Messages) > 0 {
err = m.SaveMessages(messageState.Response.Messages)
if err != nil {
return nil, err
}
}
for _, emojiReaction := range messageState.EmojiReactions {
messageState.Response.EmojiReactions = append(messageState.Response.EmojiReactions, emojiReaction)
}
for _, groupChatInvitation := range messageState.GroupChatInvitations {
messageState.Response.Invitations = append(messageState.Response.Invitations, groupChatInvitation)
}
if len(contactsToSave) > 0 {
err = m.persistence.SaveContacts(contactsToSave)
if err != nil {
return nil, err
}
}
messagesWithResponses, err := m.pullMessagesAndResponsesFromDB(messageState.Response.Messages)
if err != nil {
return nil, err
}
messageState.Response.Messages = messagesWithResponses
// Reset installations
m.modifiedInstallations = make(map[string]bool)
return messageState.Response, nil
}
// SetMailserver sets the currently used mailserver
func (m *Messenger) SetMailserver(peer []byte) {
m.mailserver = peer
}
func (m *Messenger) RequestHistoricMessages(
ctx context.Context,
from, to uint32,
cursor []byte,
) ([]byte, error) {
if m.mailserver == nil {
return nil, errors.New("no mailserver selected")
}
return m.transport.SendMessagesRequest(ctx, m.mailserver, from, to, cursor)
}
func (m *Messenger) LoadFilters(filters []*transport.Filter) ([]*transport.Filter, error) {
return m.transport.LoadFilters(filters)
}
func (m *Messenger) RemoveFilters(filters []*transport.Filter) error {
return m.transport.RemoveFilters(filters)
}
func (m *Messenger) ConfirmMessagesProcessed(messageIDs [][]byte) error {
for _, id := range messageIDs {
if err := m.encryptor.ConfirmMessageProcessed(id); err != nil {
return err
}
}
return nil
}
func (m *Messenger) MessageByID(id string) (*common.Message, error) {
return m.persistence.MessageByID(id)
}
func (m *Messenger) MessagesExist(ids []string) (map[string]bool, error) {
return m.persistence.MessagesExist(ids)
}
func (m *Messenger) MessageByChatID(chatID, cursor string, limit int) ([]*common.Message, string, error) {
return m.persistence.MessageByChatID(chatID, cursor, limit)
}
func (m *Messenger) SaveMessages(messages []*common.Message) error {
return m.persistence.SaveMessages(messages)
}
func (m *Messenger) DeleteMessage(id string) error {
return m.persistence.DeleteMessage(id)
}
func (m *Messenger) DeleteMessagesByChatID(id string) error {
return m.persistence.DeleteMessagesByChatID(id)
}
// MarkMessagesSeen marks messages with `ids` as seen in the chat `chatID`.
// It returns the number of affected messages or error. If there is an error,
// the number of affected messages is always zero.
func (m *Messenger) MarkMessagesSeen(chatID string, ids []string) (uint64, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
count, err := m.persistence.MarkMessagesSeen(chatID, ids)
if err != nil {
return 0, err
}
chat, err := m.persistence.Chat(chatID)
if err != nil {
return 0, err
}
m.allChats[chatID] = chat
return count, nil
}
func (m *Messenger) MarkAllRead(chatID string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
chat, ok := m.allChats[chatID]
if !ok {
return errors.New("chat not found")
}
err := m.persistence.MarkAllRead(chatID)
if err != nil {
return err
}
chat.UnviewedMessagesCount = 0
m.allChats[chat.ID] = chat
return nil
}
// MuteChat signals to the messenger that we don't want to be notified
// on new messages from this chat
func (m *Messenger) MuteChat(chatID string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
chat, ok := m.allChats[chatID]
if !ok {
return errors.New("chat not found")
}
err := m.persistence.MuteChat(chatID)
if err != nil {
return err
}
chat.Muted = true
m.allChats[chat.ID] = chat
return m.reregisterForPushNotifications()
}
// UnmuteChat signals to the messenger that we want to be notified
// on new messages from this chat
func (m *Messenger) UnmuteChat(chatID string) error {
m.mutex.Lock()
defer m.mutex.Unlock()
chat, ok := m.allChats[chatID]
if !ok {
return errors.New("chat not found")
}
err := m.persistence.UnmuteChat(chatID)
if err != nil {
return err
}
chat.Muted = false
m.allChats[chat.ID] = chat
return m.reregisterForPushNotifications()
}
func (m *Messenger) UpdateMessageOutgoingStatus(id, newOutgoingStatus string) error {
return m.persistence.UpdateMessageOutgoingStatus(id, newOutgoingStatus)
}
// Identicon returns an identicon based on the input string
func Identicon(id string) (string, error) {
return identicon.GenerateBase64(id)
}
// VerifyENSNames verifies that a registered ENS name matches the expected public key
func (m *Messenger) VerifyENSNames(ctx context.Context, rpcEndpoint, contractAddress string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
m.logger.Debug("verifying ENS Names", zap.String("endpoint", rpcEndpoint))
verifier := m.node.NewENSVerifier(m.logger)
var response MessengerResponse
var ensDetails []enstypes.ENSDetails
// Now in seconds
now := m.getTimesource().GetCurrentTime() / 1000
for _, contact := range m.allContacts {
if shouldENSBeVerified(contact, now) {
ensDetails = append(ensDetails, enstypes.ENSDetails{
PublicKeyString: contact.ID[2:],
Name: contact.Name,
})
}
}
ensResponse, err := verifier.CheckBatch(ensDetails, rpcEndpoint, contractAddress)
if err != nil {
return nil, err
}
for _, details := range ensResponse {
contact, ok := m.allContacts["0x"+details.PublicKeyString]
if !ok {
return nil, errors.New("contact must be existing")
}
m.logger.Debug("verifying ENS Name", zap.Any("details", details), zap.Any("contact", contact))
contact.ENSVerifiedAt = uint64(details.VerifiedAt)
if details.Error == nil {
contact.ENSVerified = details.Verified
m.allContacts[contact.ID] = contact
} else {
m.logger.Warn("Failed to resolve ens name",
zap.String("name", details.Name),
zap.String("publicKey", details.PublicKeyString),
zap.Error(details.Error),
)
contact.ENSVerificationRetries++
}
response.Contacts = append(response.Contacts, contact)
}
if len(response.Contacts) != 0 {
err = m.persistence.SaveContacts(response.Contacts)
if err != nil {
return nil, err
}
}
return &response, nil
}
// GenerateAlias name returns the generated name given a public key hex encoded prefixed with 0x
func GenerateAlias(id string) (string, error) {
return alias.GenerateFromPublicKeyString(id)
}
func (m *Messenger) RequestTransaction(ctx context.Context, chatID, value, contract, address string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
message := &common.Message{}
err := extendMessageFromChat(message, chat, &m.identity.PublicKey, m.transport)
if err != nil {
return nil, err
}
message.MessageType = protobuf.MessageType_ONE_TO_ONE
message.ContentType = protobuf.ChatMessage_TRANSACTION_COMMAND
message.Text = "Request transaction"
request := &protobuf.RequestTransaction{
Clock: message.Clock,
Address: address,
Value: value,
Contract: contract,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
id, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_REQUEST_TRANSACTION,
ResendAutomatically: true,
})
message.CommandParameters = &common.CommandParameters{
ID: types.EncodeHex(id),
Value: value,
Address: address,
Contract: contract,
CommandState: common.CommandStateRequestTransaction,
}
if err != nil {
return nil, err
}
messageID := types.EncodeHex(id)
message.ID = messageID
message.CommandParameters.ID = messageID
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) RequestAddressForTransaction(ctx context.Context, chatID, from, value, contract string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
message := &common.Message{}
err := extendMessageFromChat(message, chat, &m.identity.PublicKey, m.transport)
if err != nil {
return nil, err
}
message.MessageType = protobuf.MessageType_ONE_TO_ONE
message.ContentType = protobuf.ChatMessage_TRANSACTION_COMMAND
message.Text = "Request address for transaction"
request := &protobuf.RequestAddressForTransaction{
Clock: message.Clock,
Value: value,
Contract: contract,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
id, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_REQUEST_ADDRESS_FOR_TRANSACTION,
ResendAutomatically: true,
})
message.CommandParameters = &common.CommandParameters{
ID: types.EncodeHex(id),
From: from,
Value: value,
Contract: contract,
CommandState: common.CommandStateRequestAddressForTransaction,
}
if err != nil {
return nil, err
}
messageID := types.EncodeHex(id)
message.ID = messageID
message.CommandParameters.ID = messageID
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) AcceptRequestAddressForTransaction(ctx context.Context, messageID, address string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
message, err := m.MessageByID(messageID)
if err != nil {
return nil, err
}
if message == nil {
return nil, errors.New("message not found")
}
chatID := message.LocalChatID
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.WhisperTimestamp = timestamp
message.Timestamp = timestamp
message.Text = "Request address for transaction accepted"
message.OutgoingStatus = common.OutgoingStatusSending
// Hide previous message
previousMessage, err := m.persistence.MessageByCommandID(chatID, messageID)
if err != nil {
return nil, err
}
if previousMessage == nil {
return nil, errors.New("No previous message found")
}
err = m.persistence.HideMessage(previousMessage.ID)
if err != nil {
return nil, err
}
message.Replace = previousMessage.ID
request := &protobuf.AcceptRequestAddressForTransaction{
Clock: message.Clock,
Id: messageID,
Address: address,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
newMessageID, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_ACCEPT_REQUEST_ADDRESS_FOR_TRANSACTION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(newMessageID)
message.CommandParameters.Address = address
message.CommandParameters.CommandState = common.CommandStateRequestAddressForTransactionAccepted
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) DeclineRequestTransaction(ctx context.Context, messageID string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
message, err := m.MessageByID(messageID)
if err != nil {
return nil, err
}
if message == nil {
return nil, errors.New("message not found")
}
chatID := message.LocalChatID
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.WhisperTimestamp = timestamp
message.Timestamp = timestamp
message.Text = "Transaction request declined"
message.OutgoingStatus = common.OutgoingStatusSending
message.Replace = messageID
err = m.persistence.HideMessage(messageID)
if err != nil {
return nil, err
}
request := &protobuf.DeclineRequestTransaction{
Clock: message.Clock,
Id: messageID,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
newMessageID, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_DECLINE_REQUEST_TRANSACTION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(newMessageID)
message.CommandParameters.CommandState = common.CommandStateRequestTransactionDeclined
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) DeclineRequestAddressForTransaction(ctx context.Context, messageID string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
message, err := m.MessageByID(messageID)
if err != nil {
return nil, err
}
if message == nil {
return nil, errors.New("message not found")
}
chatID := message.LocalChatID
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.WhisperTimestamp = timestamp
message.Timestamp = timestamp
message.Text = "Request address for transaction declined"
message.OutgoingStatus = common.OutgoingStatusSending
message.Replace = messageID
err = m.persistence.HideMessage(messageID)
if err != nil {
return nil, err
}
request := &protobuf.DeclineRequestAddressForTransaction{
Clock: message.Clock,
Id: messageID,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
newMessageID, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_DECLINE_REQUEST_ADDRESS_FOR_TRANSACTION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(newMessageID)
message.CommandParameters.CommandState = common.CommandStateRequestAddressForTransactionDeclined
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) AcceptRequestTransaction(ctx context.Context, transactionHash, messageID string, signature []byte) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
message, err := m.MessageByID(messageID)
if err != nil {
return nil, err
}
if message == nil {
return nil, errors.New("message not found")
}
chatID := message.LocalChatID
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.WhisperTimestamp = timestamp
message.Timestamp = timestamp
message.Text = transactionSentTxt
message.OutgoingStatus = common.OutgoingStatusSending
// Hide previous message
previousMessage, err := m.persistence.MessageByCommandID(chatID, messageID)
if err != nil && err != common.ErrRecordNotFound {
return nil, err
}
if previousMessage != nil {
err = m.persistence.HideMessage(previousMessage.ID)
if err != nil {
return nil, err
}
message.Replace = previousMessage.ID
}
err = m.persistence.HideMessage(messageID)
if err != nil {
return nil, err
}
request := &protobuf.SendTransaction{
Clock: message.Clock,
Id: messageID,
TransactionHash: transactionHash,
Signature: signature,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
newMessageID, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_SEND_TRANSACTION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(newMessageID)
message.CommandParameters.TransactionHash = transactionHash
message.CommandParameters.Signature = signature
message.CommandParameters.CommandState = common.CommandStateTransactionSent
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) SendTransaction(ctx context.Context, chatID, value, contract, transactionHash string, signature []byte) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
// A valid added chat is required.
chat, ok := m.allChats[chatID]
if !ok {
return nil, errors.New("Chat not found")
}
if chat.ChatType != ChatTypeOneToOne {
return nil, errors.New("Need to be a one-to-one chat")
}
message := &common.Message{}
err := extendMessageFromChat(message, chat, &m.identity.PublicKey, m.transport)
if err != nil {
return nil, err
}
message.MessageType = protobuf.MessageType_ONE_TO_ONE
message.ContentType = protobuf.ChatMessage_TRANSACTION_COMMAND
message.LocalChatID = chatID
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.WhisperTimestamp = timestamp
message.Timestamp = timestamp
message.Text = transactionSentTxt
request := &protobuf.SendTransaction{
Clock: message.Clock,
TransactionHash: transactionHash,
Signature: signature,
}
encodedMessage, err := proto.Marshal(request)
if err != nil {
return nil, err
}
newMessageID, err := m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_SEND_TRANSACTION,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
message.ID = types.EncodeHex(newMessageID)
message.CommandParameters = &common.CommandParameters{
TransactionHash: transactionHash,
Value: value,
Contract: contract,
Signature: signature,
CommandState: common.CommandStateTransactionSent,
}
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
err = m.persistence.SaveMessages([]*common.Message{message})
if err != nil {
return nil, err
}
response.Chats = []*Chat{chat}
response.Messages = []*common.Message{message}
return &response, m.saveChat(chat)
}
func (m *Messenger) ValidateTransactions(ctx context.Context, addresses []types.Address) (*MessengerResponse, error) {
if m.verifyTransactionClient == nil {
return nil, nil
}
m.mutex.Lock()
defer m.mutex.Unlock()
modifiedChats := make(map[string]bool)
logger := m.logger.With(zap.String("site", "ValidateTransactions"))
logger.Debug("Validating transactions")
txs, err := m.persistence.TransactionsToValidate()
if err != nil {
logger.Error("Error pulling", zap.Error(err))
return nil, err
}
logger.Debug("Txs", zap.Int("count", len(txs)), zap.Any("txs", txs))
var response MessengerResponse
validator := NewTransactionValidator(addresses, m.persistence, m.verifyTransactionClient, m.logger)
responses, err := validator.ValidateTransactions(ctx)
if err != nil {
logger.Error("Error validating", zap.Error(err))
return nil, err
}
for _, validationResult := range responses {
var message *common.Message
chatID := contactIDFromPublicKey(validationResult.Transaction.From)
chat, ok := m.allChats[chatID]
if !ok {
chat = OneToOneFromPublicKey(validationResult.Transaction.From, m.transport)
}
if validationResult.Message != nil {
message = validationResult.Message
} else {
message = &common.Message{}
err := extendMessageFromChat(message, chat, &m.identity.PublicKey, m.transport)
if err != nil {
return nil, err
}
}
message.MessageType = protobuf.MessageType_ONE_TO_ONE
message.ContentType = protobuf.ChatMessage_TRANSACTION_COMMAND
message.LocalChatID = chatID
message.OutgoingStatus = ""
clock, timestamp := chat.NextClockAndTimestamp(m.transport)
message.Clock = clock
message.Timestamp = timestamp
message.WhisperTimestamp = timestamp
message.Text = "Transaction received"
message.Seen = false
message.ID = validationResult.Transaction.MessageID
if message.CommandParameters == nil {
message.CommandParameters = &common.CommandParameters{}
} else {
message.CommandParameters = validationResult.Message.CommandParameters
}
message.CommandParameters.Value = validationResult.Value
message.CommandParameters.Contract = validationResult.Contract
message.CommandParameters.Address = validationResult.Address
message.CommandParameters.CommandState = common.CommandStateTransactionSent
message.CommandParameters.TransactionHash = validationResult.Transaction.TransactionHash
err = message.PrepareContent()
if err != nil {
return nil, err
}
err = chat.UpdateFromMessage(message, m.transport)
if err != nil {
return nil, err
}
if len(message.CommandParameters.ID) != 0 {
// Hide previous message
previousMessage, err := m.persistence.MessageByCommandID(chatID, message.CommandParameters.ID)
if err != nil && err != common.ErrRecordNotFound {
return nil, err
}
if previousMessage != nil {
err = m.persistence.HideMessage(previousMessage.ID)
if err != nil {
return nil, err
}
message.Replace = previousMessage.ID
}
}
response.Messages = append(response.Messages, message)
m.allChats[chat.ID] = chat
modifiedChats[chat.ID] = true
}
for id := range modifiedChats {
response.Chats = append(response.Chats, m.allChats[id])
}
if len(response.Messages) > 0 {
err = m.SaveMessages(response.Messages)
if err != nil {
return nil, err
}
}
return &response, nil
}
// pullMessagesAndResponsesFromDB pulls all the messages and the one that have
// been replied to from the database
func (m *Messenger) pullMessagesAndResponsesFromDB(messages []*common.Message) ([]*common.Message, error) {
var messageIDs []string
for _, message := range messages {
messageIDs = append(messageIDs, message.ID)
if len(message.ResponseTo) != 0 {
messageIDs = append(messageIDs, message.ResponseTo)
}
}
// We pull from the database all the messages & replies involved,
// so we let the db build the correct messages
return m.persistence.MessagesByIDs(messageIDs)
}
func (m *Messenger) SignMessage(message string) ([]byte, error) {
hash := crypto.TextHash([]byte(message))
return crypto.Sign(hash, m.identity)
}
func (m *Messenger) getTimesource() TimeSource {
return m.transport
}
func (m *Messenger) Timesource() TimeSource {
return m.getTimesource()
}
// AddPushNotificationsServer adds a push notification server
func (m *Messenger) AddPushNotificationsServer(ctx context.Context, publicKey *ecdsa.PublicKey, serverType pushnotificationclient.ServerType) error {
if m.pushNotificationClient == nil {
return errors.New("push notification client not enabled")
}
return m.pushNotificationClient.AddPushNotificationsServer(publicKey, serverType)
}
// RemovePushNotificationServer removes a push notification server
func (m *Messenger) RemovePushNotificationServer(ctx context.Context, publicKey *ecdsa.PublicKey) error {
if m.pushNotificationClient == nil {
return errors.New("push notification client not enabled")
}
return m.pushNotificationClient.RemovePushNotificationServer(publicKey)
}
// UnregisterFromPushNotifications unregister from any server
func (m *Messenger) UnregisterFromPushNotifications(ctx context.Context) error {
return m.pushNotificationClient.Unregister()
}
// DisableSendingPushNotifications signals the client not to send any push notification
func (m *Messenger) DisableSendingPushNotifications() error {
if m.pushNotificationClient == nil {
return errors.New("push notification client not enabled")
}
m.pushNotificationClient.DisableSending()
return nil
}
// EnableSendingPushNotifications signals the client to send push notifications
func (m *Messenger) EnableSendingPushNotifications() error {
if m.pushNotificationClient == nil {
return errors.New("push notification client not enabled")
}
m.pushNotificationClient.EnableSending()
return nil
}
func (m *Messenger) pushNotificationOptions() *pushnotificationclient.RegistrationOptions {
var contactIDs []*ecdsa.PublicKey
var mutedChatIDs []string
var publicChatIDs []string
for _, contact := range m.allContacts {
if contact.IsAdded() && !contact.IsBlocked() {
pk, err := contact.PublicKey()
if err != nil {
m.logger.Warn("could not parse contact public key")
continue
}
contactIDs = append(contactIDs, pk)
} else if contact.IsBlocked() {
mutedChatIDs = append(mutedChatIDs, contact.ID)
}
}
for _, chat := range m.allChats {
if chat.Muted {
mutedChatIDs = append(mutedChatIDs, chat.ID)
}
if chat.Active && chat.Public() {
publicChatIDs = append(publicChatIDs, chat.ID)
}
}
return &pushnotificationclient.RegistrationOptions{
ContactIDs: contactIDs,
MutedChatIDs: mutedChatIDs,
PublicChatIDs: publicChatIDs,
}
}
// RegisterForPushNotification register deviceToken with any push notification server enabled
func (m *Messenger) RegisterForPushNotifications(ctx context.Context, deviceToken, apnTopic string, tokenType protobuf.PushNotificationRegistration_TokenType) error {
if m.pushNotificationClient == nil {
return errors.New("push notification client not enabled")
}
m.mutex.Lock()
defer m.mutex.Unlock()
err := m.pushNotificationClient.Register(deviceToken, apnTopic, tokenType, m.pushNotificationOptions())
if err != nil {
m.logger.Error("failed to register for push notifications", zap.Error(err))
return err
}
return nil
}
// RegisteredForPushNotifications returns whether we successfully registered with all the servers
func (m *Messenger) RegisteredForPushNotifications() (bool, error) {
if m.pushNotificationClient == nil {
return false, errors.New("no push notification client")
}
return m.pushNotificationClient.Registered()
}
// EnablePushNotificationsFromContactsOnly is used to indicate that we want to received push notifications only from contacts
func (m *Messenger) EnablePushNotificationsFromContactsOnly() error {
if m.pushNotificationClient == nil {
return errors.New("no push notification client")
}
m.mutex.Lock()
defer m.mutex.Unlock()
return m.pushNotificationClient.EnablePushNotificationsFromContactsOnly(m.pushNotificationOptions())
}
// DisablePushNotificationsFromContactsOnly is used to indicate that we want to received push notifications from anyone
func (m *Messenger) DisablePushNotificationsFromContactsOnly() error {
if m.pushNotificationClient == nil {
return errors.New("no push notification client")
}
m.mutex.Lock()
defer m.mutex.Unlock()
return m.pushNotificationClient.DisablePushNotificationsFromContactsOnly(m.pushNotificationOptions())
}
// EnablePushNotificationsBlockMentions is used to indicate that we dont want to received push notifications for mentions
func (m *Messenger) EnablePushNotificationsBlockMentions() error {
if m.pushNotificationClient == nil {
return errors.New("no push notification client")
}
m.mutex.Lock()
defer m.mutex.Unlock()
return m.pushNotificationClient.EnablePushNotificationsBlockMentions(m.pushNotificationOptions())
}
// DisablePushNotificationsBlockMentions is used to indicate that we want to received push notifications for mentions
func (m *Messenger) DisablePushNotificationsBlockMentions() error {
if m.pushNotificationClient == nil {
return errors.New("no push notification client")
}
m.mutex.Lock()
defer m.mutex.Unlock()
return m.pushNotificationClient.DisablePushNotificationsBlockMentions(m.pushNotificationOptions())
}
// GetPushNotificationsServers returns the servers used for push notifications
func (m *Messenger) GetPushNotificationsServers() ([]*pushnotificationclient.PushNotificationServer, error) {
if m.pushNotificationClient == nil {
return nil, errors.New("no push notification client")
}
return m.pushNotificationClient.GetServers()
}
// StartPushNotificationsServer initialize and start a push notification server, using the current messenger identity key
func (m *Messenger) StartPushNotificationsServer() error {
if m.pushNotificationServer == nil {
pushNotificationServerPersistence := pushnotificationserver.NewSQLitePersistence(m.database)
config := &pushnotificationserver.Config{
Enabled: true,
Logger: m.logger,
Identity: m.identity,
}
m.pushNotificationServer = pushnotificationserver.New(config, pushNotificationServerPersistence, m.processor)
}
return m.pushNotificationServer.Start()
}
// StopPushNotificationServer stops the push notification server if running
func (m *Messenger) StopPushNotificationsServer() error {
m.pushNotificationServer = nil
return nil
}
func generateAliasAndIdenticon(pk string) (string, string, error) {
identicon, err := identicon.GenerateBase64(pk)
if err != nil {
return "", "", err
}
name, err := alias.GenerateFromPublicKeyString(pk)
if err != nil {
return "", "", err
}
return name, identicon, nil
}
func (m *Messenger) SendEmojiReaction(ctx context.Context, chatID, messageID string, emojiID protobuf.EmojiReaction_Type) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
var response MessengerResponse
chat, ok := m.allChats[chatID]
if !ok {
return nil, ErrChatNotFound
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
emojiR := &EmojiReaction{
EmojiReaction: protobuf.EmojiReaction{
Clock: clock,
MessageId: messageID,
ChatId: chatID,
Type: emojiID,
},
LocalChatID: chatID,
From: types.EncodeHex(crypto.FromECDSAPub(&m.identity.PublicKey)),
}
encodedMessage, err := m.encodeChatEntity(chat, emojiR)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_EMOJI_REACTION,
// Don't resend using datasync, that would create quite a lot
// of traffic if clicking too eagelry
ResendAutomatically: false,
})
if err != nil {
return nil, err
}
response.EmojiReactions = []*EmojiReaction{emojiR}
response.Chats = []*Chat{chat}
err = m.persistence.SaveEmojiReaction(emojiR)
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) EmojiReactionsByChatID(chatID string, cursor string, limit int) ([]*EmojiReaction, error) {
return m.persistence.EmojiReactionsByChatID(chatID, cursor, limit)
}
func (m *Messenger) SendEmojiReactionRetraction(ctx context.Context, emojiReactionID string) (*MessengerResponse, error) {
m.mutex.Lock()
defer m.mutex.Unlock()
emojiR, err := m.persistence.EmojiReactionByID(emojiReactionID)
if err != nil {
return nil, err
}
// Check that the sender is the key owner
pk := types.EncodeHex(crypto.FromECDSAPub(&m.identity.PublicKey))
if emojiR.From != pk {
return nil, errors.Errorf("identity mismatch, "+
"emoji reactions can only be retracted by the reaction sender, "+
"emoji reaction sent by '%s', current identity '%s'",
emojiR.From, pk,
)
}
// Get chat and clock
chat, ok := m.allChats[emojiR.GetChatId()]
if !ok {
return nil, ErrChatNotFound
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
// Update the relevant fields
emojiR.Clock = clock
emojiR.Retracted = true
encodedMessage, err := m.encodeChatEntity(chat, emojiR)
if err != nil {
return nil, err
}
// Send the marshalled EmojiReactionRetraction protobuf
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: emojiR.GetChatId(),
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_EMOJI_REACTION,
// Don't resend using datasync, that would create quite a lot
// of traffic if clicking too eagelry
ResendAutomatically: false,
})
if err != nil {
return nil, err
}
// Update MessengerResponse
response := MessengerResponse{}
emojiR.Retracted = true
response.EmojiReactions = []*EmojiReaction{emojiR}
response.Chats = []*Chat{chat}
// Persist retraction state for emoji reaction
err = m.persistence.SaveEmojiReaction(emojiR)
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) encodeChatEntity(chat *Chat, message common.ChatEntity) ([]byte, error) {
var encodedMessage []byte
var err error
l := m.logger.With(zap.String("site", "Send"), zap.String("chatID", chat.ID))
switch chat.ChatType {
case ChatTypeOneToOne:
l.Debug("sending private message")
message.SetMessageType(protobuf.MessageType_ONE_TO_ONE)
encodedMessage, err = proto.Marshal(message.GetProtobuf())
if err != nil {
return nil, err
}
case ChatTypePublic, ChatTypeProfile:
l.Debug("sending public message", zap.String("chatName", chat.Name))
message.SetMessageType(protobuf.MessageType_PUBLIC_GROUP)
encodedMessage, err = proto.Marshal(message.GetProtobuf())
if err != nil {
return nil, err
}
case ChatTypePrivateGroupChat:
message.SetMessageType(protobuf.MessageType_PRIVATE_GROUP)
l.Debug("sending group message", zap.String("chatName", chat.Name))
group, err := newProtocolGroupFromChat(chat)
if err != nil {
return nil, err
}
encodedMessage, err = m.processor.EncodeMembershipUpdate(group, message)
if err != nil {
return nil, err
}
default:
return nil, errors.New("chat type not supported")
}
return encodedMessage, nil
}
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