Rewrite whatsapp bridge to use whatsmeow

bridge/whatsapp/handlers.go

@@ -4,126 +4,92 @@ import (
 	"fmt"
 	"mime"
 	"strings"
-	"time"
 
 	"github.com/42wim/matterbridge/bridge/config"
 	"github.com/42wim/matterbridge/bridge/helper"
-	"github.com/Rhymen/go-whatsapp"
-	"github.com/jpillora/backoff"
-)
 
-/*
-Implement handling messages coming from WhatsApp
-Check:
-- https://github.com/Rhymen/go-whatsapp#add-message-handlers
-- https://github.com/Rhymen/go-whatsapp/blob/master/handler.go
-- https://github.com/tulir/mautrix-whatsapp/tree/master/whatsapp-ext for more advanced command handling
-*/
-
-// HandleError received from WhatsApp
-func (b *Bwhatsapp) HandleError(err error) {
-	// ignore received invalid data errors. https://github.com/42wim/matterbridge/issues/843
-	// ignore tag 174 errors. https://github.com/42wim/matterbridge/issues/1094
-	if strings.Contains(err.Error(), "error processing data: received invalid data") ||
-		strings.Contains(err.Error(), "invalid string with tag 174") {
-		return
-	}
+	"go.mau.fi/whatsmeow/binary/proto"
+	"go.mau.fi/whatsmeow/types"
+	"go.mau.fi/whatsmeow/types/events"
+)
 
-	switch err.(type) {
-	case *whatsapp.ErrConnectionClosed, *whatsapp.ErrConnectionFailed:
-		b.reconnect(err)
-	default:
-		switch err {
-		case whatsapp.ErrConnectionTimeout:
-			b.reconnect(err)
-		default:
-			b.Log.Errorf("%v", err)
-		}
+// nolint:gocritic
+func (b *Bwhatsapp) eventHandler(evt interface{}) {
+	switch e := evt.(type) {
+	case *events.Message:
+		b.handleMessage(e)
 	}
 }
 
-func (b *Bwhatsapp) reconnect(err error) {
-	bf := &backoff.Backoff{
-		Min:    time.Second,
-		Max:    5 * time.Minute,
-		Jitter: true,
+func (b *Bwhatsapp) handleMessage(message *events.Message) {
+	msg := message.Message
+	switch {
+	case msg == nil, message.Info.IsFromMe, message.Info.Timestamp.Before(b.startedAt):
+		return
 	}
 
-	for {
-		d := bf.Duration()
-
-		b.Log.Errorf("Connection failed, underlying error: %v", err)
-		b.Log.Infof("Waiting %s...", d)
-
-		time.Sleep(d)
-
-		b.Log.Info("Reconnecting...")
-
-		err := b.conn.Restore()
-		if err == nil {
-			bf.Reset()
-			b.startedAt = uint64(time.Now().Unix())
-
-			return
-		}
+	switch {
+	case msg.Conversation != nil || msg.ExtendedTextMessage != nil:
+		b.handleTextMessage(message.Info, msg)
+	case msg.VideoMessage != nil:
+		b.handleVideoMessage(message)
+	case msg.AudioMessage != nil:
+		b.handleAudioMessage(message)
+	case msg.DocumentMessage != nil:
+		b.handleDocumentMessage(message)
+	case msg.ImageMessage != nil:
+		b.handleImageMessage(message)
 	}
 }
 
-// HandleTextMessage sent from WhatsApp, relay it to the brige
-func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {
-	if message.Info.FromMe {
-		return
+func (b *Bwhatsapp) handleTextMessage(messageInfo types.MessageInfo, msg *proto.Message) {
+	senderJID := messageInfo.Sender
+
+	senderName := b.getSenderName(messageInfo.Sender)
+	if senderName == "" {
+		senderName = "Someone" // don't expose telephone number
 	}
-	// whatsapp sends last messages to show context , cut them
-	if message.Info.Timestamp < b.startedAt {
+
+	if msg.GetExtendedTextMessage() == nil {
 		return
 	}
 
-	groupJID := message.Info.RemoteJid
-	senderJID := message.Info.SenderJid
-
-	if len(senderJID) == 0 {
-		if message.Info.Source != nil && message.Info.Source.Participant != nil {
-			senderJID = *message.Info.Source.Participant
-		}
-	}
+	text := msg.GetExtendedTextMessage().GetText()
+	ci := msg.GetExtendedTextMessage().GetContextInfo()
 
-	// translate sender's JID to the nicest username we can get
-	senderName := b.getSenderName(senderJID)
-	if senderName == "" {
-		senderName = "Someone" // don't expose telephone number
+	if senderJID == (types.JID{}) && ci.Participant != nil {
+		senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
 	}
 
-	extText := message.Info.Source.Message.ExtendedTextMessage
-	if extText != nil && extText.ContextInfo != nil && extText.ContextInfo.MentionedJid != nil {
+	if ci.MentionedJid != nil {
 		// handle user mentions
-		for _, mentionedJID := range extText.ContextInfo.MentionedJid {
+		for _, mentionedJID := range ci.MentionedJid {
 			numberAndSuffix := strings.SplitN(mentionedJID, "@", 2)
 
 			// mentions comes as telephone numbers and we don't want to expose it to other bridges
 			// replace it with something more meaninful to others
-			mention := b.getSenderNotify(numberAndSuffix[0] + "@s.whatsapp.net")
+			mention := b.getSenderNotify(types.NewJID(numberAndSuffix[0], types.DefaultUserServer))
 			if mention == "" {
 				mention = "someone"
 			}
 
-			message.Text = strings.Replace(message.Text, "@"+numberAndSuffix[0], "@"+mention, 1)
+			text = strings.Replace(text, "@"+numberAndSuffix[0], "@"+mention, 1)
 		}
 	}
 
 	rmsg := config.Message{
-		UserID:   senderJID,
+		UserID:   senderJID.String(),
 		Username: senderName,
-		Text:     message.Text,
-		Channel:  groupJID,
+		Text:     msg.GetExtendedTextMessage().GetText(),
+		Channel:  ci.GetRemoteJid(),
 		Account:  b.Account,
 		Protocol: b.Protocol,
 		Extra:    make(map[string][]interface{}),
-		//	ParentID: TODO, // TODO handle thread replies  // map from Info.QuotedMessageID string
-		ID: message.Info.Id,
+		//      ParentID: TODO, // TODO handle thread replies  // map from Info.QuotedMessageID string
+		ID: messageInfo.ID,
 	}
 
-	if avatarURL, exists := b.userAvatars[senderJID]; exists {
+	if avatarURL, exists := b.userAvatars[senderJID.String()]; exists {
 		rmsg.Avatar = avatarURL
 	}
 
@@ -134,36 +100,32 @@ func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {
 }
 
 // HandleImageMessage sent from WhatsApp, relay it to the brige
-func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {
-	if message.Info.FromMe || message.Info.Timestamp < b.startedAt {
-		return
-	}
+func (b *Bwhatsapp) handleImageMessage(msg *events.Message) {
+	imsg := msg.Message.GetImageMessage()
 
-	senderJID := message.Info.SenderJid
-	if len(message.Info.SenderJid) == 0 && message.Info.Source != nil && message.Info.Source.Participant != nil {
-		senderJID = *message.Info.Source.Participant
-	}
+	senderJID := msg.Info.Sender
+	senderName := b.getSenderName(senderJID)
+	ci := imsg.GetContextInfo()
 
-	senderName := b.getSenderName(message.Info.SenderJid)
-	if senderName == "" {
-		senderName = "Someone" // don't expose telephone number
+	if senderJID == (types.JID{}) && ci.Participant != nil {
+		senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
 	}
 
 	rmsg := config.Message{
-		UserID:   senderJID,
+		UserID:   senderJID.String(),
 		Username: senderName,
-		Channel:  message.Info.RemoteJid,
+		Channel:  ci.GetRemoteJid(),
 		Account:  b.Account,
 		Protocol: b.Protocol,
 		Extra:    make(map[string][]interface{}),
-		ID:       message.Info.Id,
+		ID:       msg.Info.ID,
 	}
 
-	if avatarURL, exists := b.userAvatars[senderJID]; exists {
+	if avatarURL, exists := b.userAvatars[senderJID.String()]; exists {
 		rmsg.Avatar = avatarURL
 	}
 
-	fileExt, err := mime.ExtensionsByType(message.Type)
+	fileExt, err := mime.ExtensionsByType(imsg.GetMimetype())
 	if err != nil {
 		b.Log.Errorf("Mimetype detection error: %s", err)
 
@@ -180,11 +142,11 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {
 		fileExt[0] = ".jpg"
 	}
 
-	filename := fmt.Sprintf("%v%v", message.Info.Id, fileExt[0])
+	filename := fmt.Sprintf("%v%v", msg.Info.ID, fileExt[0])
 
-	b.Log.Debugf("Trying to download %s with type %s", filename, message.Type)
+	b.Log.Debugf("Trying to download %s with type %s", filename, imsg.GetMimetype())
 
-	data, err := message.Download()
+	data, err := b.wc.Download(imsg)
 	if err != nil {
 		b.Log.Errorf("Download image failed: %s", err)
 
@@ -192,7 +154,7 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {
 	}
 
 	// Move file to bridge storage
-	helper.HandleDownloadData(b.Log, &rmsg, filename, message.Caption, "", &data, b.General)
+	helper.HandleDownloadData(b.Log, &rmsg, filename, imsg.GetCaption(), "", &data, b.General)
 
 	b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account)
 	b.Log.Debugf("<= Message is %#v", rmsg)
@@ -201,36 +163,32 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {
 }
 
 // HandleVideoMessage downloads video messages
-func (b *Bwhatsapp) HandleVideoMessage(message whatsapp.VideoMessage) {
-	if message.Info.FromMe || message.Info.Timestamp < b.startedAt {
-		return
-	}
+func (b *Bwhatsapp) handleVideoMessage(msg *events.Message) {
+	imsg := msg.Message.GetVideoMessage()
 
-	senderJID := message.Info.SenderJid
-	if len(message.Info.SenderJid) == 0 && message.Info.Source != nil && message.Info.Source.Participant != nil {
-		senderJID = *message.Info.Source.Participant
-	}
+	senderJID := msg.Info.Sender
+	senderName := b.getSenderName(senderJID)
+	ci := imsg.GetContextInfo()
 
-	senderName := b.getSenderName(message.Info.SenderJid)
-	if senderName == "" {
-		senderName = "Someone" // don't expose telephone number
+	if senderJID == (types.JID{}) && ci.Participant != nil {
+		senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
 	}
 
 	rmsg := config.Message{
-		UserID:   senderJID,
+		UserID:   senderJID.String(),
 		Username: senderName,
-		Channel:  message.Info.RemoteJid,
+		Channel:  ci.GetRemoteJid(),
 		Account:  b.Account,
 		Protocol: b.Protocol,
 		Extra:    make(map[string][]interface{}),
-		ID:       message.Info.Id,
+		ID:       msg.Info.ID,
 	}
 
-	if avatarURL, exists := b.userAvatars[senderJID]; exists {
+	if avatarURL, exists := b.userAvatars[senderJID.String()]; exists {
 		rmsg.Avatar = avatarURL
 	}
 
-	fileExt, err := mime.ExtensionsByType(message.Type)
+	fileExt, err := mime.ExtensionsByType(imsg.GetMimetype())
 	if err != nil {
 		b.Log.Errorf("Mimetype detection error: %s", err)
 
@@ -241,11 +199,11 @@ func (b *Bwhatsapp) HandleVideoMessage(message whatsapp.VideoMessage) {
 		fileExt = append(fileExt, ".mp4")
 	}
 
-	filename := fmt.Sprintf("%v%v", message.Info.Id, fileExt[0])
+	filename := fmt.Sprintf("%v%v", msg.Info.ID, fileExt[0])
 
-	b.Log.Debugf("Trying to download %s with size %#v and type %s", filename, message.Length, message.Type)
+	b.Log.Debugf("Trying to download %s with size %#v and type %s", filename, imsg.GetFileLength(), imsg.GetMimetype())
 
-	data, err := message.Download()
+	data, err := b.wc.Download(imsg)
 	if err != nil {
 		b.Log.Errorf("Download video failed: %s", err)
 
@@ -253,7 +211,7 @@ func (b *Bwhatsapp) HandleVideoMessage(message whatsapp.VideoMessage) {
 	}
 
 	// Move file to bridge storage
-	helper.HandleDownloadData(b.Log, &rmsg, filename, message.Caption, "", &data, b.General)
+	helper.HandleDownloadData(b.Log, &rmsg, filename, imsg.GetCaption(), "", &data, b.General)
 
 	b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account)
 	b.Log.Debugf("<= Message is %#v", rmsg)
@@ -262,36 +220,32 @@ func (b *Bwhatsapp) HandleVideoMessage(message whatsapp.VideoMessage) {
 }
 
 // HandleAudioMessage downloads audio messages
-func (b *Bwhatsapp) HandleAudioMessage(message whatsapp.AudioMessage) {
-	if message.Info.FromMe || message.Info.Timestamp < b.startedAt {
-		return
-	}
+func (b *Bwhatsapp) handleAudioMessage(msg *events.Message) {
+	imsg := msg.Message.GetAudioMessage()
 
-	senderJID := message.Info.SenderJid
-	if len(message.Info.SenderJid) == 0 && message.Info.Source != nil && message.Info.Source.Participant != nil {
-		senderJID = *message.Info.Source.Participant
-	}
+	senderJID := msg.Info.Sender
+	senderName := b.getSenderName(senderJID)
+	ci := imsg.GetContextInfo()
 
-	senderName := b.getSenderName(message.Info.SenderJid)
-	if senderName == "" {
-		senderName = "Someone" // don't expose telephone number
+	if senderJID == (types.JID{}) && ci.Participant != nil {
+		senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
 	}
 
 	rmsg := config.Message{
-		UserID:   senderJID,
+		UserID:   senderJID.String(),
 		Username: senderName,
-		Channel:  message.Info.RemoteJid,
+		Channel:  ci.GetRemoteJid(),
 		Account:  b.Account,
 		Protocol: b.Protocol,
 		Extra:    make(map[string][]interface{}),
-		ID:       message.Info.Id,
+		ID:       msg.Info.ID,
 	}
 
-	if avatarURL, exists := b.userAvatars[senderJID]; exists {
+	if avatarURL, exists := b.userAvatars[senderJID.String()]; exists {
 		rmsg.Avatar = avatarURL
 	}
 
-	fileExt, err := mime.ExtensionsByType(message.Type)
+	fileExt, err := mime.ExtensionsByType(imsg.GetMimetype())
 	if err != nil {
 		b.Log.Errorf("Mimetype detection error: %s", err)
 
@@ -302,13 +256,13 @@ func (b *Bwhatsapp) HandleAudioMessage(message whatsapp.AudioMessage) {
 		fileExt = append(fileExt, ".ogg")
 	}
 
-	filename := fmt.Sprintf("%v%v", message.Info.Id, fileExt[0])
+	filename := fmt.Sprintf("%v%v", msg.Info.ID, fileExt[0])
 
-	b.Log.Debugf("Trying to download %s with size %#v and type %s", filename, message.Length, message.Type)
+	b.Log.Debugf("Trying to download %s with size %#v and type %s", filename, imsg.GetFileLength(), imsg.GetMimetype())
 
-	data, err := message.Download()
+	data, err := b.wc.Download(imsg)
 	if err != nil {
-		b.Log.Errorf("Download audio failed: %s", err)
+		b.Log.Errorf("Download video failed: %s", err)
 
 		return
 	}
@@ -323,47 +277,43 @@ func (b *Bwhatsapp) HandleAudioMessage(message whatsapp.AudioMessage) {
 }
 
 // HandleDocumentMessage downloads documents
-func (b *Bwhatsapp) HandleDocumentMessage(message whatsapp.DocumentMessage) {
-	if message.Info.FromMe || message.Info.Timestamp < b.startedAt {
-		return
-	}
+func (b *Bwhatsapp) handleDocumentMessage(msg *events.Message) {
+	imsg := msg.Message.GetDocumentMessage()
 
-	senderJID := message.Info.SenderJid
-	if len(message.Info.SenderJid) == 0 && message.Info.Source != nil && message.Info.Source.Participant != nil {
-		senderJID = *message.Info.Source.Participant
-	}
+	senderJID := msg.Info.Sender
+	senderName := b.getSenderName(senderJID)
+	ci := imsg.GetContextInfo()
 
-	senderName := b.getSenderName(message.Info.SenderJid)
-	if senderName == "" {
-		senderName = "Someone" // don't expose telephone number
+	if senderJID == (types.JID{}) && ci.Participant != nil {
+		senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
 	}
 
 	rmsg := config.Message{
-		UserID:   senderJID,
+		UserID:   senderJID.String(),
 		Username: senderName,
-		Channel:  message.Info.RemoteJid,
+		Channel:  ci.GetRemoteJid(),
 		Account:  b.Account,
 		Protocol: b.Protocol,
 		Extra:    make(map[string][]interface{}),
-		ID:       message.Info.Id,
+		ID:       msg.Info.ID,
 	}
 
-	if avatarURL, exists := b.userAvatars[senderJID]; exists {
+	if avatarURL, exists := b.userAvatars[senderJID.String()]; exists {
 		rmsg.Avatar = avatarURL
 	}
 
-	fileExt, err := mime.ExtensionsByType(message.Type)
+	fileExt, err := mime.ExtensionsByType(imsg.GetMimetype())
 	if err != nil {
 		b.Log.Errorf("Mimetype detection error: %s", err)
 
 		return
 	}
 
-	filename := fmt.Sprintf("%v", message.FileName)
+	filename := fmt.Sprintf("%v", imsg.GetFileName())
 
-	b.Log.Debugf("Trying to download %s with extension %s and type %s", filename, fileExt, message.Type)
+	b.Log.Debugf("Trying to download %s with extension %s and type %s", filename, fileExt, imsg.GetMimetype())
 
-	data, err := message.Download()
+	data, err := b.wc.Download(imsg)
 	if err != nil {
 		b.Log.Errorf("Download document message failed: %s", err)
 

bridge/whatsapp/helpers.go

@@ -1,15 +1,12 @@
 package bwhatsapp
 
 import (
-	"encoding/gob"
-	"encoding/json"
-	"errors"
 	"fmt"
-	"os"
 	"strings"
 
-	qrcodeTerminal "github.com/Baozisoftware/qrcode-terminal-go"
-	"github.com/Rhymen/go-whatsapp"
+	"go.mau.fi/whatsmeow/store"
+	"go.mau.fi/whatsmeow/store/sqlstore"
+	"go.mau.fi/whatsmeow/types"
 )
 
 type ProfilePicInfo struct {
@@ -18,141 +15,71 @@ type ProfilePicInfo struct {
 	Status int16  `json:"status"`
 }
 
-func qrFromTerminal(invert bool) chan string {
-	qr := make(chan string)
-
-	go func() {
-		terminal := qrcodeTerminal.New()
-
-		if invert {
-			terminal = qrcodeTerminal.New2(qrcodeTerminal.ConsoleColors.BrightWhite, qrcodeTerminal.ConsoleColors.BrightBlack, qrcodeTerminal.QRCodeRecoveryLevels.Medium)
+func (b *Bwhatsapp) getSenderName(senderJid types.JID) string {
+	if sender, exists := b.contacts[senderJid]; exists {
+		if sender.FullName != "" {
+			return sender.FullName
+		}
+		// if user is not in phone contacts
+		// it is the most obvious scenario unless you sync your phone contacts with some remote updated source
+		// users can change it in their WhatsApp settings -> profile -> click on Avatar
+		if sender.PushName != "" {
+			return sender.PushName
 		}
 
-		terminal.Get(<-qr).Print()
-	}()
-
-	return qr
-}
-
-func (b *Bwhatsapp) readSession() (whatsapp.Session, error) {
-	session := whatsapp.Session{}
-	sessionFile := b.Config.GetString(sessionFile)
-
-	if sessionFile == "" {
-		return session, errors.New("if you won't set SessionFile then you will need to scan QR code on every restart")
-	}
-
-	file, err := os.Open(sessionFile)
-	if err != nil {
-		return session, err
-	}
-
-	defer file.Close()
-
-	decoder := gob.NewDecoder(file)
-
-	return session, decoder.Decode(&session)
-}
-
-func (b *Bwhatsapp) writeSession(session whatsapp.Session) error {
-	sessionFile := b.Config.GetString(sessionFile)
-
-	if sessionFile == "" {
-		// we already sent a warning while starting the bridge, so let's be quiet here
-		return nil
+		if sender.FirstName != "" {
+			return sender.FirstName
+		}
 	}
 
-	file, err := os.Create(sessionFile)
-	if err != nil {
-		return err
+	// try to reload this contact
+	if _, err := b.wc.Store.Contacts.GetAllContacts(); err != nil {
+		b.Log.Errorf("error on update of contacts: %v", err)
 	}
 
-	defer file.Close()
-
-	encoder := gob.NewEncoder(file)
-
-	return encoder.Encode(session)
-}
-
-func (b *Bwhatsapp) restoreSession() (*whatsapp.Session, error) {
-	session, err := b.readSession()
+	allcontacts, err := b.wc.Store.Contacts.GetAllContacts()
 	if err != nil {
-		b.Log.Warn(err.Error())
+		b.Log.Errorf("error on update of contacts: %v", err)
 	}
 
-	b.Log.Debugln("Restoring WhatsApp session..")
-
-	session, err = b.conn.RestoreWithSession(session)
-	if err != nil {
-		// restore session connection timed out (I couldn't get over it without logging in again)
-		return nil, errors.New("failed to restore session: " + err.Error())
+	if len(allcontacts) > 0 {
+		b.contacts = allcontacts
 	}
 
-	b.Log.Debugln("Session restored successfully!")
-
-	return &session, nil
-}
-
-func (b *Bwhatsapp) getSenderName(senderJid string) string {
-	if sender, exists := b.users[senderJid]; exists {
-		if sender.Name != "" {
-			return sender.Name
+	if sender, exists := b.contacts[senderJid]; exists {
+		if sender.FullName != "" {
+			return sender.FullName
 		}
 		// if user is not in phone contacts
 		// it is the most obvious scenario unless you sync your phone contacts with some remote updated source
 		// users can change it in their WhatsApp settings -> profile -> click on Avatar
-		if sender.Notify != "" {
-			return sender.Notify
+		if sender.PushName != "" {
+			return sender.PushName
 		}
 
-		if sender.Short != "" {
-			return sender.Short
+		if sender.FirstName != "" {
+			return sender.FirstName
 		}
 	}
 
-	// try to reload this contact
-	_, err := b.conn.Contacts()
-	if err != nil {
-		b.Log.Errorf("error on update of contacts: %v", err)
-	}
-
-	if contact, exists := b.conn.Store.Contacts[senderJid]; exists {
-		// Add it to the user map
-		b.users[senderJid] = contact
-
-		if contact.Name != "" {
-			return contact.Name
-		}
-		// if user is not in phone contacts
-		// same as above
-		return contact.Notify
-	}
-
-	return ""
+	return "Someone"
 }
 
-func (b *Bwhatsapp) getSenderNotify(senderJid string) string {
-	if sender, exists := b.users[senderJid]; exists {
-		return sender.Notify
+func (b *Bwhatsapp) getSenderNotify(senderJid types.JID) string {
+	if sender, exists := b.contacts[senderJid]; exists {
+		return sender.PushName
 	}
 
 	return ""
 }
 
-func (b *Bwhatsapp) GetProfilePicThumb(jid string) (*ProfilePicInfo, error) {
-	data, err := b.conn.GetProfilePicThumb(jid)
+func (b *Bwhatsapp) GetProfilePicThumb(jid string) (*types.ProfilePictureInfo, error) {
+	pjid, _ := types.ParseJID(jid)
+	info, err := b.wc.GetProfilePictureInfo(pjid, true)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get avatar: %v", err)
 	}
 
-	content := <-data
-	info := &ProfilePicInfo{}
-
-	err = json.Unmarshal([]byte(content), info)
-	if err != nil {
-		return info, fmt.Errorf("failed to unmarshal avatar info: %v", err)
-	}
-
 	return info, nil
 }
 
@@ -161,3 +88,19 @@ func isGroupJid(identifier string) bool {
 		strings.HasSuffix(identifier, "@temp") ||
 		strings.HasSuffix(identifier, "@broadcast")
 }
+
+func (b *Bwhatsapp) getDevice() (*store.Device, error) {
+	device := &store.Device{}
+
+	storeContainer, err := sqlstore.New("sqlite", "file:"+b.Config.GetString("sessionfile")+".db?_foreign_keys=on", nil)
+	if err != nil {
+		return device, fmt.Errorf("failed to connect to database: %v", err)
+	}
+
+	device, err = storeContainer.GetFirstDevice()
+	if err != nil {
+		return device, fmt.Errorf("failed to get device: %v", err)
+	}
+
+	return device, nil
+}

bridge/whatsapp/whatsapp.go

@@ -1,38 +1,41 @@
 package bwhatsapp
 
 import (
-	"bytes"
-	"crypto/rand"
-	"encoding/hex"
+	"context"
 	"errors"
 	"fmt"
 	"mime"
 	"os"
 	"path/filepath"
-	"strings"
 	"time"
 
 	"github.com/42wim/matterbridge/bridge"
 	"github.com/42wim/matterbridge/bridge/config"
-	"github.com/Rhymen/go-whatsapp"
+	"github.com/mdp/qrterminal"
+
+	"go.mau.fi/whatsmeow"
+	"go.mau.fi/whatsmeow/binary/proto"
+	"go.mau.fi/whatsmeow/types"
+	waLog "go.mau.fi/whatsmeow/util/log"
+
+	goproto "google.golang.org/protobuf/proto"
+
+	_ "modernc.org/sqlite" // needed for sqlite
 )
 
 const (
 	// Account config parameters
-	cfgNumber         = "Number"
-	qrOnWhiteTerminal = "QrOnWhiteTerminal"
-	sessionFile       = "SessionFile"
+	cfgNumber = "Number"
 )
 
 // Bwhatsapp Bridge structure keeping all the information needed for relying
 type Bwhatsapp struct {
 	*bridge.Config
 
-	session   *whatsapp.Session
-	conn      *whatsapp.Conn
-	startedAt uint64
-
-	users       map[string]whatsapp.Contact
+	startedAt   time.Time
+	wc          *whatsmeow.Client
+	contacts    map[types.JID]types.ContactInfo
+	users       map[string]types.ContactInfo
 	userAvatars map[string]string
 }
 
@@ -47,7 +50,7 @@ func New(cfg *bridge.Config) bridge.Bridger {
 	b := &Bwhatsapp{
 		Config: cfg,
 
-		users:       make(map[string]whatsapp.Contact),
+		users:       make(map[string]types.ContactInfo),
 		userAvatars: make(map[string]string),
 	}
 
@@ -56,54 +59,56 @@ func New(cfg *bridge.Config) bridge.Bridger {
 
 // Connect to WhatsApp. Required implementation of the Bridger interface
 func (b *Bwhatsapp) Connect() error {
+	device, err := b.getDevice()
+	if err != nil {
+		return err
+	}
+
 	number := b.GetString(cfgNumber)
 	if number == "" {
 		return errors.New("whatsapp's telephone number need to be configured")
 	}
 
 	b.Log.Debugln("Connecting to WhatsApp..")
-	conn, err := whatsapp.NewConn(20 * time.Second)
-	if err != nil {
-		return errors.New("failed to connect to WhatsApp: " + err.Error())
-	}
 
-	b.conn = conn
+	b.wc = whatsmeow.NewClient(device, waLog.Stdout("Client", "INFO", true))
+	b.wc.AddEventHandler(b.eventHandler)
 
-	b.conn.AddHandler(b)
-	b.Log.Debugln("WhatsApp connection successful")
+	// No ID stored, new login
+	qrChan, err := b.wc.GetQRChannel(context.Background())
+	// This error means that we're already logged in, so ignore it.
+	if err != nil && !errors.Is(err, whatsmeow.ErrQRStoreContainsID) {
+		return errors.New("failed to to get QR channel:" + err.Error())
+	}
 
-	// load existing session in order to keep it between restarts
-	b.session, err = b.restoreSession()
+	err = b.wc.Connect()
 	if err != nil {
-		b.Log.Warn(err.Error())
+		return errors.New("failed to connect to WhatsApp: " + err.Error())
 	}
 
-	// login to a new session
-	if b.session == nil {
-		if err = b.Login(); err != nil {
-			return err
+	for evt := range qrChan {
+		if evt.Event == "code" {
+			// Render the QR code here
+			qrterminal.GenerateHalfBlock(evt.Code, qrterminal.L, os.Stdout)
+		} else {
+			b.Log.Infof("QR channel result: %s", evt.Event)
 		}
 	}
 
-	b.startedAt = uint64(time.Now().Unix())
+	b.Log.Infoln("WhatsApp connection successful")
 
-	_, err = b.conn.Contacts()
+	b.contacts, err = b.wc.Store.Contacts.GetAllContacts()
 	if err != nil {
-		return fmt.Errorf("error on update of contacts: %v", err)
+		return errors.New("failed to get contacts: " + err.Error())
 	}
 
-	// see https://github.com/Rhymen/go-whatsapp/issues/137#issuecomment-480316013
-	for len(b.conn.Store.Contacts) == 0 {
-		b.conn.Contacts() // nolint:errcheck
-
-		<-time.After(1 * time.Second)
-	}
+	b.startedAt = time.Now()
 
 	// map all the users
-	for id, contact := range b.conn.Store.Contacts {
-		if !isGroupJid(id) && id != "status@broadcast" {
+	for id, contact := range b.contacts {
+		if !isGroupJid(id.String()) && id.String() != "status@broadcast" {
 			// it is user
-			b.users[id] = contact
+			b.users[id.String()] = contact
 		}
 	}
 
@@ -128,38 +133,11 @@ func (b *Bwhatsapp) Connect() error {
 	return nil
 }
 
-// Login to WhatsApp creating a new session. This will require to scan a QR code on your mobile device
-func (b *Bwhatsapp) Login() error {
-	b.Log.Debugln("Logging in..")
-
-	invert := b.GetBool(qrOnWhiteTerminal) // false is the default
-	qrChan := qrFromTerminal(invert)
-
-	session, err := b.conn.Login(qrChan)
-	if err != nil {
-		b.Log.Warnln("Failed to log in:", err)
-
-		return err
-	}
-
-	b.session = &session
-
-	b.Log.Infof("Logged into session: %#v", session)
-	b.Log.Infof("Connection: %#v", b.conn)
-
-	err = b.writeSession(session)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "error saving session: %v\n", err)
-	}
-
-	return nil
-}
-
 // Disconnect is called while reconnecting to the bridge
 // Required implementation of the Bridger interface
 func (b *Bwhatsapp) Disconnect() error {
-	// We could Logout, but that would close the session completely and would require a new QR code scan
-	// https://github.com/Rhymen/go-whatsapp/blob/c31092027237441cffba1b9cb148eadf7c83c3d2/session.go#L377-L381
+	b.wc.Disconnect()
+
 	return nil
 }
 
@@ -169,16 +147,19 @@ func (b *Bwhatsapp) Disconnect() error {
 func (b *Bwhatsapp) JoinChannel(channel config.ChannelInfo) error {
 	byJid := isGroupJid(channel.Name)
 
-	// see https://github.com/Rhymen/go-whatsapp/issues/137#issuecomment-480316013
-	for len(b.conn.Store.Contacts) == 0 {
-		b.conn.Contacts() // nolint:errcheck
-		<-time.After(1 * time.Second)
-	}
-
 	// verify if we are member of the given group
 	if byJid {
+		gJID, err := types.ParseJID(channel.Name)
+		if err != nil {
+			return err
+		}
 		// channel.Name specifies static group jID, not the name
-		if _, exists := b.conn.Store.Contacts[channel.Name]; !exists {
+		info, err := b.wc.Store.Contacts.GetContact(gJID)
+		if err != nil {
+			return err
+		}
+
+		if !info.Found {
 			return fmt.Errorf("account doesn't belong to group with jid %s", channel.Name)
 		}
 
@@ -187,18 +168,22 @@ func (b *Bwhatsapp) JoinChannel(channel config.ChannelInfo) error {
 
 	// channel.Name specifies group name that might change, warn about it
 	var jids []string
-	for id, contact := range b.conn.Store.Contacts {
-		if isGroupJid(id) && contact.Name == channel.Name {
-			jids = append(jids, id)
+	allContacts, err := b.wc.Store.Contacts.GetAllContacts()
+	if err != nil {
+		return err
+	}
+	for id := range allContacts {
+		if isGroupJid(id.String()) && id.String() == channel.Name {
+			jids = append(jids, id.String())
 		}
 	}
 
 	switch len(jids) {
 	case 0:
 		// didn't match any group - print out possibilites
-		for id, contact := range b.conn.Store.Contacts {
-			if isGroupJid(id) {
-				b.Log.Infof("%s %s", contact.Jid, contact.Name)
+		for id, contact := range allContacts {
+			if isGroupJid(id.String()) {
+				b.Log.Infof("%s %s", id, contact.FullName)
 			}
 		}
 
@@ -212,68 +197,75 @@ func (b *Bwhatsapp) JoinChannel(channel config.ChannelInfo) error {
 
 // Post a document message from the bridge to WhatsApp
 func (b *Bwhatsapp) PostDocumentMessage(msg config.Message, filetype string) (string, error) {
+	groupJID, _ := types.ParseJID(msg.Channel)
+
 	fi := msg.Extra["file"][0].(config.FileInfo)
 
+	resp, err := b.wc.Upload(context.Background(), *fi.Data, whatsmeow.MediaDocument)
+	if err != nil {
+		return "", err
+	}
+
 	// Post document message
-	message := whatsapp.DocumentMessage{
-		Info: whatsapp.MessageInfo{
-			RemoteJid: msg.Channel,
-		},
-		Title:    fi.Name,
-		FileName: fi.Name,
-		Type:     filetype,
-		Content:  bytes.NewReader(*fi.Data),
+	var message proto.Message
+
+	message.DocumentMessage = &proto.DocumentMessage{
+		Title:         &fi.Name,
+		FileName:      &fi.Name,
+		Mimetype:      &filetype,
+		MediaKey:      resp.MediaKey,
+		FileEncSha256: resp.FileEncSHA256,
+		FileSha256:    resp.FileSHA256,
+		FileLength:    goproto.Uint64(resp.FileLength),
+		Url:           &resp.URL,
 	}
 
 	b.Log.Debugf("=> Sending %#v", msg)
 
-	// create message ID
-	// TODO follow and act if https://github.com/Rhymen/go-whatsapp/issues/101 implemented
-	idBytes := make([]byte, 10)
-	if _, err := rand.Read(idBytes); err != nil {
-		b.Log.Warn(err.Error())
-	}
-
-	message.Info.Id = strings.ToUpper(hex.EncodeToString(idBytes))
-	_, err := b.conn.Send(message)
+	ID := whatsmeow.GenerateMessageID()
+	_, err = b.wc.SendMessage(groupJID, ID, &message)
 
-	return message.Info.Id, err
+	return ID, err
 }
 
 // Post an image message from the bridge to WhatsApp
 // Handle, for sure image/jpeg, image/png and image/gif MIME types
 func (b *Bwhatsapp) PostImageMessage(msg config.Message, filetype string) (string, error) {
+	groupJID, _ := types.ParseJID(msg.Channel)
+
 	fi := msg.Extra["file"][0].(config.FileInfo)
 
-	// Post image message
-	message := whatsapp.ImageMessage{
-		Info: whatsapp.MessageInfo{
-			RemoteJid: msg.Channel,
-		},
-		Type:    filetype,
-		Caption: msg.Username + fi.Comment,
-		Content: bytes.NewReader(*fi.Data),
+	caption := msg.Username + fi.Comment
+
+	resp, err := b.wc.Upload(context.Background(), *fi.Data, whatsmeow.MediaImage)
+	if err != nil {
+		return "", err
 	}
 
-	b.Log.Debugf("=> Sending %#v", msg)
+	var message proto.Message
 
-	// create message ID
-	// TODO follow and act if https://github.com/Rhymen/go-whatsapp/issues/101 implemented
-	idBytes := make([]byte, 10)
-	if _, err := rand.Read(idBytes); err != nil {
-		b.Log.Warn(err.Error())
+	message.ImageMessage = &proto.ImageMessage{
+		Mimetype:      &filetype,
+		Caption:       &caption,
+		MediaKey:      resp.MediaKey,
+		FileEncSha256: resp.FileEncSHA256,
+		FileSha256:    resp.FileSHA256,
+		FileLength:    goproto.Uint64(resp.FileLength),
+		Url:           &resp.URL,
 	}
 
-	message.Info.Id = strings.ToUpper(hex.EncodeToString(idBytes))
-	_, err := b.conn.Send(message)
+	b.Log.Debugf("=> Sending %#v", msg)
+
+	ID := whatsmeow.GenerateMessageID()
+	_, err = b.wc.SendMessage(groupJID, ID, &message)
 
-	return message.Info.Id, err
+	return ID, err
 }
 
 // Send a message from the bridge to WhatsApp
-// Required implementation of the Bridger interface
-// https://github.com/42wim/matterbridge/blob/2cfd880cdb0df29771bf8f31df8d990ab897889d/bridge/bridge.go#L11-L16
 func (b *Bwhatsapp) Send(msg config.Message) (string, error) {
+	groupJID, _ := types.ParseJID(msg.Channel)
+
 	b.Log.Debugf("=> Receiving %#v", msg)
 
 	// Delete message
@@ -284,7 +276,7 @@ func (b *Bwhatsapp) Send(msg config.Message) (string, error) {
 			return "", nil
 		}
 
-		_, err := b.conn.RevokeMessage(msg.Channel, msg.ID, true)
+		_, err := b.wc.RevokeMessage(groupJID, msg.ID)
 
 		return "", err
 	}
@@ -317,20 +309,18 @@ func (b *Bwhatsapp) Send(msg config.Message) (string, error) {
 		}
 	}
 
-	// Post text message
-	message := whatsapp.TextMessage{
-		Info: whatsapp.MessageInfo{
-			RemoteJid: msg.Channel, // which equals to group id
-		},
-		Text: msg.Username + msg.Text,
+	var message proto.Message
+
+	text := msg.Username + msg.Text
+
+	message.ExtendedTextMessage = &proto.ExtendedTextMessage{
+		Text: &text,
 	}
 
 	b.Log.Debugf("=> Sending %#v", msg)
 
-	return b.conn.Send(message)
-}
+	ID := whatsmeow.GenerateMessageID()
+	_, err := b.wc.SendMessage(groupJID, ID, &message)
 
-// TODO do we want that? to allow login with QR code from a bridged channel? https://github.com/tulir/mautrix-whatsapp/blob/513eb18e2d59bada0dd515ee1abaaf38a3bfe3d5/commands.go#L76
-//func (b *Bwhatsapp) Command(cmd string) string {
-//	return ""
-//}
+	return ID, err
+}