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rani/matterbridge.git

Clone URL: https://git.buni.party/rani/matterbridge.git

commit 2eb269bbccdda647f052e80771a7d5f2b9ed4b2d Author: Wim <wim@42.be> Date: Fri Nov 27 00:34:44 2020 +0000 Refactor/cleanup code (whatsapp) diff --git a/bridge/whatsapp/handlers.go b/bridge/whatsapp/handlers.go index 4d1c9a1..8b25c14 100644 --- a/bridge/whatsapp/handlers.go +++ b/bridge/whatsapp/handlers.go @@ -247 +248 @@ Check:  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") { + if strings.Contains(err.Error(), "error processing data: received invalid data") || + strings.Contains(err.Error(), "invalid string with tag 174") {   return   }   @@ -4716 +4822 @@ func (b *Bwhatsapp) reconnect(err error) {   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   }   } @@ -647 +717 @@ func (b *Bwhatsapp) reconnect(err error) {    // HandleTextMessage sent from WhatsApp, relay it to the brige  func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) { - if message.Info.FromMe { // || !strings.Contains(strings.ToLower(message.Text), "@echo") { + if message.Info.FromMe {   return   }   // whatsapp sends last messages to show context , cut them @@ -10111 +10813 @@ func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {   if mention == "" {   mention = "someone"   } +   message.Text = strings.Replace(message.Text, "@"+numberAndSuffix[0], "@"+mention, 1)   }   }     b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account) +   rmsg := config.Message{   UserID: senderJID,   Username: senderName, @@ -11615 +12515 @@ func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {   Protocol: b.Protocol,   Extra: make(map[string][]interface{}),   // ParentID: TODO, // TODO handle thread replies // map from Info.QuotedMessageID string - // Event string `json:"event"` - // Gateway string // will be added during message processing - ID: message.Info.Id} + ID: message.Info.Id, + }     if avatarURL, exists := b.userAvatars[senderJID]; exists {   rmsg.Avatar = avatarURL   }     b.Log.Debugf("<= Message is %#v", rmsg) +   b.Remote <- rmsg  }   @@ -1576 +1667 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {   }     b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account) +   rmsg := config.Message{   UserID: senderJID,   Username: senderName, @@ -1669 +1768 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {   Protocol: b.Protocol,   Extra: make(map[string][]interface{}),   // ParentID: TODO, // TODO handle thread replies // map from Info.QuotedMessageID string - // Event string `json:"event"` - // Gateway string // will be added during message processing - ID: message.Info.Id} + ID: message.Info.Id, + }     if avatarURL, exists := b.userAvatars[senderJID]; exists {   rmsg.Avatar = avatarURL @@ -1966 +2057 @@ func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {   helper.HandleDownloadData(b.Log, &rmsg, filename, message.Caption, "", &data, b.General)     b.Log.Debugf("<= Image Message is %#v", rmsg) +   b.Remote <- rmsg  }   diff --git a/bridge/whatsapp/helpers.go b/bridge/whatsapp/helpers.go index aa5f318..e424387 100644 --- a/bridge/whatsapp/helpers.go +++ b/bridge/whatsapp/helpers.go @@ -622 +624 @@ import (   "errors"   "fmt"   "os" + "strings"     qrcodeTerminal "github.com/Baozisoftware/qrcode-terminal-go"   "github.com/Rhymen/go-whatsapp"  )    type ProfilePicInfo struct { - URL string `json:"eurl"` - Tag string `json:"tag"` - - Status int16 `json:"status"` + URL string `json:"eurl"` + Tag string `json:"tag"` + 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)   } @@ -4413 +4612 @@ func (b *Bwhatsapp) readSession() (whatsapp.Session, error) {   if err != nil {   return session, err   } +   defer file.Close() +   decoder := gob.NewDecoder(file) - err = decoder.Decode(&session) - if err != nil { - return session, err - } - return session, nil + + return session, decoder.Decode(&session)  }    func (b *Bwhatsapp) writeSession(session whatsapp.Session) error { @@ -6511 +6631 @@ func (b *Bwhatsapp) writeSession(session whatsapp.Session) error {   if err != nil {   return err   } +   defer file.Close() +   encoder := gob.NewEncoder(file) - err = encoder.Encode(session)   - return err + 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 { @@ -1146 +1357 @@ func (b *Bwhatsapp) getSenderNotify(senderJid string) string {   if sender, exists := b.users[senderJid]; exists {   return sender.Notify   } +   return ""  }   @@ -12211 +14420 @@ func (b *Bwhatsapp) GetProfilePicThumb(jid string) (*ProfilePicInfo, error) {   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  } + +func isGroupJid(identifier string) bool { + return strings.HasSuffix(identifier, "@g.us") || + strings.HasSuffix(identifier, "@temp") || + strings.HasSuffix(identifier, "@broadcast") +} diff --git a/bridge/whatsapp/whatsapp.go b/bridge/whatsapp/whatsapp.go index ae634d6..8c2c9cf 100644 --- a/bridge/whatsapp/whatsapp.go +++ b/bridge/whatsapp/whatsapp.go @@ -287 +286 @@ const (  type Bwhatsapp struct {   *bridge.Config   - // https://github.com/Rhymen/go-whatsapp/blob/c31092027237441cffba1b9cb148eadf7c83c3d2/session.go#L18-L21   session *whatsapp.Session   conn *whatsapp.Conn   startedAt uint64 @@ -406 +397 @@ type Bwhatsapp struct {  // New Create a new WhatsApp bridge. This will be called for each [whatsapp.<server>] entry you have in the config file  func New(cfg *bridge.Config) bridge.Bridger {   number := cfg.GetString(cfgNumber) +   if number == "" {   cfg.Log.Fatalf("Missing configuration for WhatsApp bridge: Number")   } @@ -5021 +5017 @@ func New(cfg *bridge.Config) bridge.Bridger {   users: make(map[string]whatsapp.Contact),   userAvatars: make(map[string]string),   } +   return b  }    // Connect to WhatsApp. Required implementation of the Bridger interface -// https://github.com/42wim/matterbridge/blob/2cfd880cdb0df29771bf8f31df8d990ab897889d/bridge/bridge.go#L11-L16  func (b *Bwhatsapp) Connect() error { - b.RLock() // TODO do we need locking for Whatsapp? - defer b.RUnlock() -   number := b.GetString(cfgNumber)   if number == "" { - return errors.New("WhatsApp's telephone Number need to be configured") + return errors.New("whatsapp's telephone number need to be configured")   }   - // https://github.com/Rhymen/go-whatsapp#creating-a-connection   b.Log.Debugln("Connecting to WhatsApp..")   conn, err := whatsapp.NewConn(20 * time.Second)   if err != nil { @@ -7735 +7318 @@ func (b *Bwhatsapp) Connect() error {   b.Log.Debugln("WhatsApp connection successful")     // load existing session in order to keep it between restarts - if b.session == nil { - var session whatsapp.Session - session, err = b.readSession() - - if err == nil { - b.Log.Debugln("Restoring WhatsApp session..") - - // https://github.com/Rhymen/go-whatsapp#restore - session, err = b.conn.RestoreWithSession(session) - if err != nil { - // TODO return or continue to normal login? - // restore session connection timed out (I couldn't get over it without logging in again) - return errors.New("failed to restore session: " + err.Error()) - } - - b.session = &session - b.Log.Debugln("Session restored successfully!") - } else { - b.Log.Warn(err.Error()) - } + b.session, err = b.restoreSession() + if err != nil { + b.Log.Warn(err.Error())   }     // login to a new session   if b.session == nil { - err = b.Login() - if err != nil { + if err = b.Login(); err != nil {   return err   }   } +   b.startedAt = uint64(time.Now().Unix())     _, err = b.conn.Contacts() @@ -1166 +957 @@ func (b *Bwhatsapp) Connect() 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)   }   @@ -13512 +11513 @@ func (b *Bwhatsapp) Connect() error {   info, err := b.GetProfilePicThumb(jid)   if err != nil {   b.Log.Warnf("Could not get profile photo of %s: %v", jid, err) -   } else { - // TODO any race conditions here? + b.Lock()   b.userAvatars[jid] = info.URL + b.Unlock()   }   } +   b.Log.Debug("Finished getting avatars..")   }()   @@ -1578 +13810 @@ func (b *Bwhatsapp) Login() error {   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) @@ -16929 +15217 @@ func (b *Bwhatsapp) Login() error {   fmt.Fprintf(os.Stderr, "error saving session: %v\n", err)   }   - // TODO change connection strings to configured ones longClientName:"github.com/rhymen/go-whatsapp", shortClientName:"go-whatsapp"}" prefix=whatsapp - // TODO get also a nice logo - - // TODO notification about unplugged and dead battery - // conn.Info: Wid, Pushname, Connected, Battery, Plugged -   return nil  }    // Disconnect is called while reconnecting to the bridge -// TODO 42wim Documentation would be helpful on when reconnects happen and what should be done in this function  // Required implementation of the Bridger interface -// https://github.com/42wim/matterbridge/blob/2cfd880cdb0df29771bf8f31df8d990ab897889d/bridge/bridge.go#L11-L16  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   return nil  }   -func isGroupJid(identifier string) bool { - return strings.HasSuffix(identifier, "@g.us") || strings.HasSuffix(identifier, "@temp") || strings.HasSuffix(identifier, "@broadcast") -} -  // JoinChannel Join a WhatsApp group specified in gateway config as channel='number-id@g.us' or channel='Channel name'  // Required implementation of the Bridger interface  // https://github.com/42wim/matterbridge/blob/2cfd880cdb0df29771bf8f31df8d990ab897889d/bridge/bridge.go#L11-L16 @@ -21039 +18133 @@ func (b *Bwhatsapp) JoinChannel(channel config.ChannelInfo) error {   if _, exists := b.conn.Store.Contacts[channel.Name]; !exists {   return fmt.Errorf("account doesn't belong to group with jid %s", channel.Name)   } - } else { - // 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) - } - }   - switch len(jids) { - case 0: - // didn't match any group - print out possibilites - // TODO sort - // copy b; - //sort.Slice(people, func(i, j int) bool { - // return people[i].Age > people[j].Age - //}) - for id, contact := range b.conn.Store.Contacts { - if isGroupJid(id) { - b.Log.Infof("%s %s", contact.Jid, contact.Name) - } - } - return fmt.Errorf("please specify group's JID from the list above instead of the name '%s'", channel.Name) - - case 1: - return fmt.Errorf("group name might change. Please configure gateway with channel=\"%v\" instead of channel=\"%v\"", jids[0], channel.Name) + return nil + }   - default: - return fmt.Errorf("there is more than one group with name '%s'. Please specify one of JIDs as channel name: %v", channel.Name, jids) + // 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)   }   }   - return nil + 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) + } + } + + return fmt.Errorf("please specify group's JID from the list above instead of the name '%s'", channel.Name) + case 1: + return fmt.Errorf("group name might change. Please configure gateway with channel=\"%v\" instead of channel=\"%v\"", jids[0], channel.Name) + default: + return fmt.Errorf("there is more than one group with name '%s'. Please specify one of JIDs as channel name: %v", channel.Name, jids) + }  }    // Post a document message from the bridge to WhatsApp @@ -3317 +2966 @@ func (b *Bwhatsapp) Send(msg config.Message) (string, error) {   b.Log.Debugf("updating message with id %s", msg.ID)     msg.Text += " (edited)" - // TODO handle edit as a message reply with updated text   }     // Handle Upload a file @@ -36116 +3257 @@ func (b *Bwhatsapp) Send(msg config.Message) (string, error) {     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) - - return message.Info.Id, err + return b.conn.Send(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