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Rewrite whatsapp bridge to use whatsmeow

This commit is contained in:
Wim 2022-01-31 00:13:37 +01:00
parent 17da95b094
commit e7b193788a
3 changed files with 295 additions and 412 deletions
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276
bridge/whatsapp/handlers.go
View File

@ -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"
"go.mau.fi/whatsmeow/binary/proto"
"go.mau.fi/whatsmeow/types"
"go.mau.fi/whatsmeow/types/events"
)
/*
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
*/
// nolint:gocritic
func (b *Bwhatsapp) eventHandler(evt interface{}) {
switch e := evt.(type) {
case *events.Message:
b.handleMessage(e)
}
}
// 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") {
func (b *Bwhatsapp) handleMessage(message *events.Message) {
msg := message.Message
switch {
case msg == nil, message.Info.IsFromMe, message.Info.Timestamp.Before(b.startedAt):
return
}
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)
}
}
}
func (b *Bwhatsapp) reconnect(err error) {
bf := &backoff.Backoff{
Min: time.Second,
Max: 5 * time.Minute,
Jitter: true,
}
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
}
}
}
// HandleTextMessage sent from WhatsApp, relay it to the brige
func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {
if message.Info.FromMe {
return
}
// whatsapp sends last messages to show context , cut them
if message.Info.Timestamp < b.startedAt {
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
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)
}
}
// translate sender's JID to the nicest username we can get
senderName := b.getSenderName(senderJID)
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
}
extText := message.Info.Source.Message.ExtendedTextMessage
if extText != nil && extText.ContextInfo != nil && extText.ContextInfo.MentionedJid != nil {
if msg.GetExtendedTextMessage() == nil {
return
}
text := msg.GetExtendedTextMessage().GetText()
ci := msg.GetExtendedTextMessage().GetContextInfo()
if senderJID == (types.JID{}) && ci.Participant != nil {
senderJID = types.NewJID(ci.GetParticipant(), types.DefaultUserServer)
}
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,
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)

173
bridge/whatsapp/helpers.go
View File

@ -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)
}
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
}
file, err := os.Create(sessionFile)
if err != nil {
return err
}
defer file.Close()
encoder := gob.NewEncoder(file)
return encoder.Encode(session)
}
func (b *Bwhatsapp) restoreSession() (*whatsapp.Session, error) {
session, err := b.readSession()
if err != nil {
b.Log.Warn(err.Error())
}
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())
}
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
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.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 := b.wc.Store.Contacts.GetAllContacts(); err != nil {
b.Log.Errorf("error on update of contacts: %v", err)
}
allcontacts, err := b.wc.Store.Contacts.GetAllContacts()
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 len(allcontacts) > 0 {
b.contacts = allcontacts
}
if contact.Name != "" {
return contact.Name
if sender, exists := b.contacts[senderJid]; exists {
if sender.FullName != "" {
return sender.FullName
}
// if user is not in phone contacts
// same as above
return contact.Notify
// 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
}
if sender.FirstName != "" {
return sender.FirstName
}
}
return "Someone"
}
func (b *Bwhatsapp) getSenderNotify(senderJid types.JID) string {
if sender, exists := b.contacts[senderJid]; exists {
return sender.PushName
}
return ""
}
func (b *Bwhatsapp) getSenderNotify(senderJid string) string {
if sender, exists := b.users[senderJid]; exists {
return sender.Notify
}
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
}

262
bridge/whatsapp/whatsapp.go
View File

@ -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"
)
// 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)
b.wc = whatsmeow.NewClient(device, waLog.Stdout("Client", "INFO", true))
b.wc.AddEventHandler(b.eventHandler)
// 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())
}
err = b.wc.Connect()
if err != nil {
return errors.New("failed to connect to WhatsApp: " + err.Error())
}
b.conn = conn
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.conn.AddHandler(b)
b.Log.Debugln("WhatsApp connection successful")
b.Log.Infoln("WhatsApp connection successful")
// load existing session in order to keep it between restarts
b.session, err = b.restoreSession()
b.contacts, err = b.wc.Store.Contacts.GetAllContacts()
if err != nil {
b.Log.Warn(err.Error())
return errors.New("failed to get contacts: " + err.Error())
}
// login to a new session
if b.session == nil {
if err = b.Login(); err != nil {
return err
}
}
b.startedAt = uint64(time.Now().Unix())
_, err = b.conn.Contacts()
if err != nil {
return fmt.Errorf("error on update of contacts: %v", err)
}
// 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())
}
ID := whatsmeow.GenerateMessageID()
_, err = b.wc.SendMessage(groupJID, ID, &message)
message.Info.Id = strings.ToUpper(hex.EncodeToString(idBytes))
_, err := b.conn.Send(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
}
var message proto.Message
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,
}
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())
}
ID := whatsmeow.GenerateMessageID()
_, err = b.wc.SendMessage(groupJID, ID, &message)
message.Info.Id = strings.ToUpper(hex.EncodeToString(idBytes))
_, err := b.conn.Send(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
}