Release v1.18.2 (#1212)

* Add Dockerfile with tgs to png conversion support

* Add .dockerignore to keep cache busts while testing low

.dockerignore

@@ -0,0 +1,2 @@
+Dockerfile
+tgs.Dockerfile

README.md

@@ -146,13 +146,13 @@ Questions or want to test on your favorite platform? Join below:
 
 ## Screenshots
 
-See https://github.com/42wim/matterbridge/wiki
+See <https://github.com/42wim/matterbridge/wiki>
 
 ## Installing / upgrading
 
 ### Binaries
 
-- Latest stable release [v1.18.1](https://github.com/42wim/matterbridge/releases/latest)
+- Latest stable release [v1.18.2](https://github.com/42wim/matterbridge/releases/latest)
 - Development releases (follows master) can be downloaded [here](https://github.com/42wim/matterbridge/actions) selecting the latest green build and then artifacts.
 
 To install or upgrade just download the latest [binary](https://github.com/42wim/matterbridge/releases/latest) and follow the instructions on the [howto](https://github.com/42wim/matterbridge/wiki/How-to-create-your-config) for a step by step walkthrough for creating your configuration.
@@ -169,14 +169,13 @@ Most people just want to use binaries, you can find those [here](https://github.
 If you really want to build from source, follow these instructions:
 Go 1.12+ is required. Make sure you have [Go](https://golang.org/doc/install) properly installed.
 
-
-```
+```bash
 go get github.com/42wim/matterbridge
 ```
 
 You should now have matterbridge binary in the ~/go/bin directory:
 
-```
+```bash
 $ ls ~/go/bin/
 matterbridge
 ```
@@ -259,7 +258,7 @@ RemoteNickFormat="[{PROTOCOL}/{BRIDGE}] <{NICK}> "
 
 See [howto](https://github.com/42wim/matterbridge/wiki/How-to-create-your-config) for a step by step walkthrough for creating your configuration.
 
-```
+```bash
 Usage of ./matterbridge:
   -conf string
         config file (default "matterbridge.toml")
@@ -300,15 +299,15 @@ See [FAQ](https://github.com/42wim/matterbridge/wiki/FAQ)
 ## Articles
 
 - [matterbridge on kubernetes](https://medium.freecodecamp.org/using-kubernetes-to-deploy-a-chat-gateway-or-when-technology-works-like-its-supposed-to-a169a8cd69a3)
-- https://mattermost.com/blog/connect-irc-to-mattermost/
-- https://blog.valvin.fr/2016/09/17/mattermost-et-un-channel-irc-cest-possible/
-- https://blog.brightscout.com/top-10-mattermost-integrations/
-- http://bencey.co.nz/2018/09/17/bridge/
-- https://www.algoo.fr/blog/2018/01/19/recouvrez-votre-liberte-en-quittant-slack-pour-un-mattermost-auto-heberge/
-- https://kopano.com/blog/matterbridge-bridging-mattermost-chat/
-- https://www.stitcher.com/s/?eid=52382713
-- https://daniele.tech/2019/02/how-to-use-matterbridge-to-connect-2-different-slack-workspaces/
-- https://userlinux.net/mattermost-and-matterbridge.html
+- <https://mattermost.com/blog/connect-irc-to-mattermost/>
+- <https://blog.valvin.fr/2016/09/17/mattermost-et-un-channel-irc-cest-possible/>
+- <https://blog.brightscout.com/top-10-mattermost-integrations/>
+- <http://bencey.co.nz/2018/09/17/bridge/>
+- <https://www.algoo.fr/blog/2018/01/19/recouvrez-votre-liberte-en-quittant-slack-pour-un-mattermost-auto-heberge/>
+- <https://kopano.com/blog/matterbridge-bridging-mattermost-chat/>
+- <https://www.stitcher.com/s/?eid=52382713>
+- <https://daniele.tech/2019/02/how-to-use-matterbridge-to-connect-2-different-slack-workspaces/>
+- <https://userlinux.net/mattermost-and-matterbridge.html>
 
 ## Thanks
 
@@ -321,24 +320,25 @@ See [FAQ](https://github.com/42wim/matterbridge/wiki/FAQ)
 
 Matterbridge wouldn't exist without these libraries:
 
-- discord - https://github.com/bwmarrin/discordgo
-- echo - https://github.com/labstack/echo
-- gitter - https://github.com/sromku/go-gitter
-- gops - https://github.com/google/gops
-- gozulipbot - https://github.com/ifo/gozulipbot
-- irc - https://github.com/lrstanley/girc
-- keybase - https://github.com/keybase/go-keybase-chat-bot
-- matrix - https://github.com/matrix-org/gomatrix
-- mattermost - https://github.com/mattermost/mattermost-server
-- msgraph.go - https://github.com/yaegashi/msgraph.go
-- slack - https://github.com/nlopes/slack
-- sshchat - https://github.com/shazow/ssh-chat
-- steam - https://github.com/Philipp15b/go-steam
-- telegram - https://github.com/go-telegram-bot-api/telegram-bot-api
-- tengo - https://github.com/d5/tengo
-- whatsapp - https://github.com/Rhymen/go-whatsapp/
-- xmpp - https://github.com/mattn/go-xmpp
-- zulip - https://github.com/ifo/gozulipbot
+- discord - <https://github.com/bwmarrin/discordgo>
+- echo - <https://github.com/labstack/echo>
+- gitter - <https://github.com/sromku/go-gitter>
+- gops - <https://github.com/google/gops>
+- gozulipbot - <https://github.com/ifo/gozulipbot>
+- irc - <https://github.com/lrstanley/girc>
+- keybase - <https://github.com/keybase/go-keybase-chat-bot>
+- matrix - <https://github.com/matrix-org/gomatrix>
+- mattermost - <https://github.com/mattermost/mattermost-server>
+- msgraph.go - <https://github.com/yaegashi/msgraph.go>
+- nctalk - <https://github.com/gary-kim/go-nc-talk>
+- slack - <https://github.com/nlopes/slack>
+- sshchat - <https://github.com/shazow/ssh-chat>
+- steam - <https://github.com/Philipp15b/go-steam>
+- telegram - <https://github.com/go-telegram-bot-api/telegram-bot-api>
+- tengo - <https://github.com/d5/tengo>
+- whatsapp - <https://github.com/Rhymen/go-whatsapp>
+- xmpp - <https://github.com/mattn/go-xmpp>
+- zulip - <https://github.com/ifo/gozulipbot>
 
 <!-- Links -->
 

bridge/whatsapp/handlers.go

@@ -78,7 +78,7 @@ func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {
 	senderJID := message.Info.SenderJid
 	if len(senderJID) == 0 {
 		// TODO workaround till https://github.com/Rhymen/go-whatsapp/issues/86 resolved
-		if message.Info.Source != nil {
+		if message.Info.Source != nil && message.Info.Source.Participant != nil {
 			senderJID = *message.Info.Source.Participant
 		}
 	}

bridge/zulip/zulip.go

@@ -146,8 +146,8 @@ func (b *Bzulip) handleQueue() error {
 			b.Log.Debugf("<= Sending message from %s on %s to gateway", rmsg.Username, b.Account)
 			b.Log.Debugf("<= Message is %#v", rmsg)
 			b.Remote <- rmsg
-			b.q.LastEventID = m.ID
 		}
+
 		time.Sleep(time.Second * 3)
 	}
 }

changelog.md

@@ -1,3 +1,13 @@
+# v1.18.2
+
+## Bugfix
+
+- zulip: Fix error loop (zulip) (#1210)
+- whatsapp: Update whatsapp vendor and fix a panic (#1209)
+
+This release couldn't exist without the following contributors:
+@SuperSandro2000, @42wim
+
 # v1.18.1
 
 ## New features

go.mod

@@ -5,7 +5,7 @@ require (
 	github.com/Baozisoftware/qrcode-terminal-go v0.0.0-20170407111555-c0650d8dff0f
 	github.com/Jeffail/gabs v1.1.1 // indirect
 	github.com/Philipp15b/go-steam v1.0.1-0.20190816133340-b04c5a83c1c0
-	github.com/Rhymen/go-whatsapp v0.1.1-0.20200421062035-31e8111ac334
+	github.com/Rhymen/go-whatsapp v0.1.1-0.20200818115958-f07a700b9819
 	github.com/d5/tengo/v2 v2.6.0
 	github.com/davecgh/go-spew v1.1.1
 	github.com/fsnotify/fsnotify v1.4.9

go.sum

@@ -43,8 +43,8 @@ github.com/PaulARoy/azurestoragecache v0.0.0-20170906084534-3c249a3ba788/go.mod
 github.com/Philipp15b/go-steam v1.0.1-0.20190816133340-b04c5a83c1c0 h1:TO7d4rocnNFng6ZQrPe7U6WqHtK5eHEMrgrnnM/72IQ=
 github.com/Philipp15b/go-steam v1.0.1-0.20190816133340-b04c5a83c1c0/go.mod h1:HuVM+sZFzumUdKPWiz+IlCMb4RdsKdT3T+nQBKL+sYg=
 github.com/Rhymen/go-whatsapp v0.0.0/go.mod h1:rdQr95g2C1xcOfM7QGOhza58HeI3I+tZ/bbluv7VazA=
-github.com/Rhymen/go-whatsapp v0.1.1-0.20200421062035-31e8111ac334 h1:kb1zvD+xd+XbPUdQ0lMxnRaQ76N5C9vMAClLi8Dyw1Y=
-github.com/Rhymen/go-whatsapp v0.1.1-0.20200421062035-31e8111ac334/go.mod h1:o7jjkvKnigfu432dMbQ/w4PH0Yp5u4Y6ysCNjUlcYCk=
+github.com/Rhymen/go-whatsapp v0.1.1-0.20200818115958-f07a700b9819 h1:LthbEFUDcL9ZSRIs9m9JjThBSKrW6aIj8YGIT7G/SSk=
+github.com/Rhymen/go-whatsapp v0.1.1-0.20200818115958-f07a700b9819/go.mod h1:o7jjkvKnigfu432dMbQ/w4PH0Yp5u4Y6ysCNjUlcYCk=
 github.com/Rhymen/go-whatsapp/examples/echo v0.0.0-20190325075644-cc2581bbf24d/go.mod h1:zgCiQtBtZ4P4gFWvwl9aashsdwOcbb/EHOGRmSzM8ME=
 github.com/Rhymen/go-whatsapp/examples/restoreSession v0.0.0-20190325075644-cc2581bbf24d/go.mod h1:5sCUSpG616ZoSJhlt9iBNI/KXBqrVLcNUJqg7J9+8pU=
 github.com/Rhymen/go-whatsapp/examples/sendImage v0.0.0-20190325075644-cc2581bbf24d/go.mod h1:RdiyhanVEGXTam+mZ3k6Y3VDCCvXYCwReOoxGozqhHw=

matterbridge.go

@@ -16,7 +16,7 @@ import (
 )
 
 var (
-	version = "1.18.1"
+	version = "1.18.2"
 	githash string
 
 	flagConfig  = flag.String("conf", "matterbridge.toml", "config file")

tgs.Dockerfile

@@ -0,0 +1,38 @@
+FROM alpine:edge AS builder
+
+COPY . /go/src/github.com/42wim/matterbridge
+RUN apk add \
+    go \
+    git \
+    gcc \
+    musl-dev \
+  && cd /go/src/github.com/42wim/matterbridge \
+  && export GOPATH=/go \
+  && go get \
+  && go build -x -ldflags "-X main.githash=$(git log --pretty=format:'%h' -n 1)" -o /bin/matterbridge
+
+FROM alpine:edge
+RUN apk --no-cache add \
+    ca-certificates \
+    cairo \
+    libjpeg-turbo \
+    mailcap \
+    py3-webencodings \
+    python3 \
+  && apk --no-cache add --virtual .compile \
+    gcc \
+    libffi-dev \
+    libjpeg-turbo-dev \
+    musl-dev \
+    py3-pip \
+    py3-wheel \
+    python3-dev \
+    zlib-dev \
+  && pip3 install --no-cache-dir lottie[PNG] \
+  && apk --no-cache del .compile
+
+COPY --from=builder /bin/matterbridge /bin/matterbridge
+RUN mkdir /etc/matterbridge \
+  && touch /etc/matterbridge/matterbridge.toml \
+  && ln -sf /matterbridge.toml /etc/matterbridge/matterbridge.toml
+ENTRYPOINT ["/bin/matterbridge", "-conf", "/etc/matterbridge/matterbridge.toml"]

vendor/github.com/Rhymen/go-whatsapp/README.md

@@ -70,6 +70,10 @@ func (myHandler) HandleContactMessage(message whatsapp.ContactMessage) {
 	fmt.Println(message)
 }
 
+func (myHandler) HandleBatteryMessage(msg whatsapp.BatteryMessage) {
+	fmt.Println(message)
+}
+
 wac.AddHandler(myHandler{})
 ```
 The message handlers are all optional, you don't need to implement anything but the error handler to implement the interface. The ImageMessage, VideoMessage, AudioMessage and DocumentMessage provide a Download function to get the media data.

vendor/github.com/Rhymen/go-whatsapp/conn.go

@@ -88,6 +88,8 @@ type Conn struct {
 	Store          *Store
 	ServerLastSeen time.Time
 
+	timeTag string // last 3 digits obtained after a successful login takeover
+
 	longClientName  string
 	shortClientName string
 	clientVersion   string
@@ -156,8 +158,8 @@ func (wac *Conn) connect() (err error) {
 	}()
 
 	dialer := &websocket.Dialer{
-		ReadBufferSize:   25 * 1024 * 1024,
-		WriteBufferSize:  10 * 1024 * 1024,
+		ReadBufferSize:   0,
+		WriteBufferSize:  0,
 		HandshakeTimeout: wac.msgTimeout,
 		Proxy:            wac.Proxy,
 	}
@@ -246,3 +248,11 @@ func (wac *Conn) keepAlive(minIntervalMs int, maxIntervalMs int) {
 		}
 	}
 }
+
+func (wac *Conn) GetConnected() bool {
+	return  wac.connected
+}
+
+func (wac *Conn) GetLoggedIn() bool {
+	return  wac.loggedIn
+}

vendor/github.com/Rhymen/go-whatsapp/errors.go

@@ -2,6 +2,7 @@ package whatsapp
 
 import (
 	"fmt"
+
 	"github.com/pkg/errors"
 )
 
@@ -20,6 +21,7 @@ var (
 	ErrServerRespondedWith404     = errors.New("server responded with status 404")
 	ErrMediaDownloadFailedWith404 = errors.New("download failed with status code 404")
 	ErrMediaDownloadFailedWith410 = errors.New("download failed with status code 410")
+	ErrInvalidWebsocket           = errors.New("invalid websocket")
 )
 
 type ErrConnectionFailed struct {

vendor/github.com/Rhymen/go-whatsapp/handler.go

@@ -133,6 +133,14 @@ type ChatListHandler interface {
 	HandleChatList(contacts []Chat)
 }
 
+/**
+The BatteryMessageHandler interface needs to be implemented to receive percentage the device connected dispatched by the dispatcher.
+*/
+type BatteryMessageHandler interface {
+	Handler
+	HandleBatteryMessage(battery BatteryMessage)
+}
+
 /*
 AddHandler adds an handler to the list of handler that receive dispatched messages.
 The provided handler must at least implement the Handler interface. Additionally implemented
@@ -285,6 +293,17 @@ func (wac *Conn) handleWithCustomHandlers(message interface{}, handlers []Handle
 				}
 			}
 		}
+	
+	case BatteryMessage:
+		for _, h := range handlers {
+			if x, ok := h.(BatteryMessageHandler); ok {
+				if wac.shouldCallSynchronously(h) {
+					x.HandleBatteryMessage(m)
+				} else {
+					go x.HandleBatteryMessage(m)
+				}
+			}
+		}
 
 	case *proto.WebMessageInfo:
 		for _, h := range handlers {
@@ -379,6 +398,10 @@ func (wac *Conn) dispatch(msg interface{}) {
 						wac.handle(ParseProtoMessage(v))
 					}
 				}
+			} else if con, ok := message.Content.([]binary.Node); ok {
+				for a := range con {
+					wac.handle(ParseNodeMessage(con[a]))
+				}
 			}
 		} else if message.Description == "response" && message.Attributes["type"] == "contacts" {
 			wac.updateContacts(message.Content)

vendor/github.com/Rhymen/go-whatsapp/media.go

@@ -93,18 +93,21 @@ func downloadMedia(url string) (file []byte, mac []byte, err error) {
 	return data[:n-10], data[n-10 : n], nil
 }
 
-type MediaConn struct {
-	Status    int `json:"status"`
-	MediaConn struct {
-		Auth  string `json:"auth"`
-		TTL   int    `json:"ttl"`
-		Hosts []struct {
-			Hostname string   `json:"hostname"`
-			IPs      []string `json:"ips"`
-		} `json:"hosts"`
-	} `json:"media_conn"`
+                                                                                
+type MediaConn struct {                                                         
+        Status int `json:"status"`                                              
+        MediaConn struct {                                                      
+                Auth string `json:"auth"`                                       
+                TTL int `json:"ttl"`                                            
+                Hosts []struct {                                                
+                        Hostname string `json:"hostname"`                       
+                        IPs []interface{}  `json:"ips"`                                              
+                } `json:"hosts"`                                                
+        } `json:"media_conn"`                                                   
 }
 
+
+
 func (wac *Conn) queryMediaConn() (hostname, auth string, ttl int, err error) {
 	queryReq := []interface{}{"query", "mediaConn"}
 	ch, err := wac.writeJson(queryReq)

vendor/github.com/Rhymen/go-whatsapp/message.go

@@ -81,7 +81,7 @@ func (wac *Conn) Send(msg interface{}) (string, error) {
 			return "ERROR", fmt.Errorf("error decoding sending response: %v\n", err)
 		}
 		if int(resp["status"].(float64)) != 200 {
-			return "ERROR", fmt.Errorf("message sending responded with %d", resp["status"])
+			return "ERROR", fmt.Errorf("message sending responded with %v", resp["status"])
 		}
 		if int(resp["status"].(float64)) == 200 {
 			return getMessageInfo(msgProto).Id, nil
@@ -105,6 +105,105 @@ func (wac *Conn) sendProto(p *proto.WebMessageInfo) (<-chan string, error) {
 	return wac.writeBinary(n, message, ignore, p.Key.GetId())
 }
 
+// RevokeMessage revokes a message (marks as "message removed") for everyone
+func (wac *Conn) RevokeMessage(remotejid, msgid string, fromme bool) (revokeid string, err error) {
+	// create a revocation ID (required)
+	rawrevocationID := make([]byte, 10)
+	rand.Read(rawrevocationID)
+	revocationID := strings.ToUpper(hex.EncodeToString(rawrevocationID))
+	//
+	ts := uint64(time.Now().Unix())
+	status := proto.WebMessageInfo_PENDING
+	mtype := proto.ProtocolMessage_REVOKE
+
+	revoker := &proto.WebMessageInfo{
+		Key: &proto.MessageKey{
+			FromMe:    &fromme,
+			Id:        &revocationID,
+			RemoteJid: &remotejid,
+		},
+		MessageTimestamp: &ts,
+		Message: &proto.Message{
+			ProtocolMessage: &proto.ProtocolMessage{
+				Type: &mtype,
+				Key: &proto.MessageKey{
+					FromMe:    &fromme,
+					Id:        &msgid,
+					RemoteJid: &remotejid,
+				},
+			},
+		},
+		Status: &status,
+	}
+	if _, err := wac.Send(revoker); err != nil {
+		return revocationID, err
+	}
+	return revocationID, nil
+}
+
+// DeleteMessage deletes a single message for the user (removes the msgbox). To
+// delete the message for everyone, use RevokeMessage
+func (wac *Conn) DeleteMessage(remotejid, msgid string, fromMe bool) error {
+	ch, err := wac.deleteChatProto(remotejid, msgid, fromMe)
+	if err != nil {
+		return fmt.Errorf("could not send proto: %v", err)
+	}
+
+	select {
+	case response := <-ch:
+		var resp map[string]interface{}
+		if err = json.Unmarshal([]byte(response), &resp); err != nil {
+			return fmt.Errorf("error decoding deletion response: %v", err)
+		}
+		if int(resp["status"].(float64)) != 200 {
+			return fmt.Errorf("message deletion responded with %v", resp["status"])
+		}
+		if int(resp["status"].(float64)) == 200 {
+			return nil
+		}
+	case <-time.After(wac.msgTimeout):
+		return fmt.Errorf("deleting message timed out")
+	}
+
+	return nil
+}
+
+func (wac *Conn) deleteChatProto(remotejid, msgid string, fromMe bool) (<-chan string, error) {
+	tag := fmt.Sprintf("%s.--%d", wac.timeTag, wac.msgCount)
+
+	owner := "true"
+	if !fromMe {
+		owner = "false"
+	}
+	n := binary.Node{
+		Description: "action",
+		Attributes: map[string]string{
+			"epoch": strconv.Itoa(wac.msgCount),
+			"type":  "set",
+		},
+		Content: []interface{}{
+			binary.Node{
+				Description: "chat",
+				Attributes: map[string]string{
+					"type":  "clear",
+					"jid":   remotejid,
+					"media": "true",
+				},
+				Content: []binary.Node{
+					{
+						Description: "item",
+						Attributes: map[string]string{
+							"owner": owner,
+							"index": msgid,
+						},
+					},
+				},
+			},
+		},
+	}
+	return wac.writeBinary(n, chat, expires|skipOffline, tag)
+}
+
 func init() {
 	rand.Seed(time.Now().UTC().UnixNano())
 }
@@ -744,3 +843,38 @@ func ParseProtoMessage(msg *proto.WebMessageInfo) interface{} {
 
 	return nil
 }
+
+
+/*
+BatteryMessage represents a battery level and charging state.
+*/
+type BatteryMessage struct {
+	Plugged bool
+	Powersave bool
+	Percentage int
+}
+
+func getBatteryMessage(msg map[string]string) BatteryMessage {
+	plugged, _ := strconv.ParseBool(msg["live"])
+	powersave, _ := strconv.ParseBool(msg["powersave"])
+	percentage, _ := strconv.Atoi(msg["value"])
+	batteryMessage := BatteryMessage{
+		Plugged: plugged,
+		Powersave: powersave,
+		Percentage: percentage,
+	}
+
+	return batteryMessage
+}
+
+
+func ParseNodeMessage(msg binary.Node) interface{} {
+	switch msg.Description {
+	case "battery":
+		return getBatteryMessage(msg.Attributes)
+	default:
+		//cannot match message
+	}
+
+	return nil
+}

vendor/github.com/Rhymen/go-whatsapp/read.go

@@ -5,13 +5,14 @@ import (
 	"crypto/sha256"
 	"encoding/json"
 	"fmt"
+	"io"
+	"io/ioutil"
+	"strings"
+
 	"github.com/Rhymen/go-whatsapp/binary"
 	"github.com/Rhymen/go-whatsapp/crypto/cbc"
 	"github.com/gorilla/websocket"
 	"github.com/pkg/errors"
-	"io"
-	"io/ioutil"
-	"strings"
 )
 
 func (wac *Conn) readPump() {
@@ -27,7 +28,9 @@ func (wac *Conn) readPump() {
 	for {
 		readerFound := make(chan struct{})
 		go func() {
-			msgType, reader, readErr = wac.ws.conn.NextReader()
+			if wac.ws != nil {
+				msgType, reader, readErr = wac.ws.conn.NextReader()
+			}
 			close(readerFound)
 		}()
 		select {

vendor/github.com/Rhymen/go-whatsapp/session.go

@@ -18,7 +18,7 @@ import (
 )
 
 //represents the WhatsAppWeb client version
-var waVersion = []int{0, 4, 2080}
+var waVersion = []int{2, 2033, 7}
 
 /*
 Session contains session individual information. To be able to resume the connection without scanning the qr code
@@ -141,11 +141,11 @@ func CheckCurrentServerVersion() ([]int, error) {
 SetClientName sets the long and short client names that are sent to WhatsApp when logging in and displayed in the
 WhatsApp Web device list. As the values are only sent when logging in, changing them after logging in is not possible.
 */
-func (wac *Conn) SetClientName(long, short, version string) error {
+func (wac *Conn) SetClientName(long, short string) error {
 	if wac.session != nil && (wac.session.EncKey != nil || wac.session.MacKey != nil) {
 		return fmt.Errorf("cannot change client name after logging in")
 	}
-	wac.longClientName, wac.shortClientName, wac.clientVersion = long, short, version
+	wac.longClientName, wac.shortClientName = long, short
 	return nil
 }
 
@@ -231,7 +231,12 @@ func (wac *Conn) Login(qrChan chan<- string) (Session, error) {
 		return session, fmt.Errorf("error decoding login resp: %v\n", err)
 	}
 
-	ref := resp["ref"].(string)
+	var ref string
+	if rref, ok := resp["ref"].(string); ok {
+		ref = rref
+	} else {
+		return session, fmt.Errorf("error decoding login resp: invalid resp['ref']\n")
+	}
 
 	priv, pub, err := curve25519.GenerateKey()
 	if err != nil {
@@ -390,9 +395,11 @@ func (wac *Conn) Restore() error {
 		}
 
 		if int(resp["status"].(float64)) != 200 {
+			wac.timeTag = ""
 			return fmt.Errorf("init responded with %d", resp["status"])
 		}
 	case <-time.After(wac.msgTimeout):
+		wac.timeTag = ""
 		return fmt.Errorf("restore session init timed out")
 	}
 
@@ -401,10 +408,11 @@ func (wac *Conn) Restore() error {
 	select {
 	case r1 := <-s1:
 		if err := json.Unmarshal([]byte(r1), &connResp); err != nil {
+			wac.timeTag = ""
 			return fmt.Errorf("error decoding s1 message: %v\n", err)
 		}
 	case <-time.After(wac.msgTimeout):
-
+		wac.timeTag = ""
 		//check for an error message
 		select {
 		case r := <-loginChan:
@@ -429,15 +437,18 @@ func (wac *Conn) Restore() error {
 		wac.listener.Unlock()
 
 		if err := wac.resolveChallenge(connResp[1].(map[string]interface{})["challenge"].(string)); err != nil {
+			wac.timeTag = ""
 			return fmt.Errorf("error resolving challenge: %v\n", err)
 		}
 
 		select {
 		case r := <-s2:
 			if err := json.Unmarshal([]byte(r), &connResp); err != nil {
+				wac.timeTag = ""
 				return fmt.Errorf("error decoding s2 message: %v\n", err)
 			}
 		case <-time.After(wac.msgTimeout):
+			wac.timeTag = ""
 			return fmt.Errorf("restore session challenge timed out")
 		}
 	}
@@ -447,13 +458,16 @@ func (wac *Conn) Restore() error {
 	case r := <-loginChan:
 		var resp map[string]interface{}
 		if err = json.Unmarshal([]byte(r), &resp); err != nil {
+			wac.timeTag = ""
 			return fmt.Errorf("error decoding login connResp: %v\n", err)
 		}
 
 		if int(resp["status"].(float64)) != 200 {
+			wac.timeTag = ""
 			return fmt.Errorf("admin login responded with %d", resp["status"])
 		}
 	case <-time.After(wac.msgTimeout):
+		wac.timeTag = ""
 		return fmt.Errorf("restore session login timed out")
 	}
 

vendor/github.com/Rhymen/go-whatsapp/write.go

@@ -30,6 +30,11 @@ func (wac *Conn) writeJson(data []interface{}) (<-chan string, error) {
 	messageTag := fmt.Sprintf("%d.--%d", ts, wac.msgCount)
 	bytes := []byte(fmt.Sprintf("%s,%s", messageTag, d))
 
+	if wac.timeTag == "" {
+		tss := fmt.Sprintf("%d", ts)
+		wac.timeTag = tss[len(tss)-3:]
+	}
+
 	ch, err := wac.write(websocket.TextMessage, messageTag, bytes)
 	if err != nil {
 		return nil, err
@@ -127,6 +132,9 @@ func (wac *Conn) write(messageType int, answerMessageTag string, data []byte) (<
 		wac.listener.Unlock()
 	}
 
+	if wac == nil || wac.ws == nil {
+		return nil, ErrInvalidWebsocket
+	}
 	wac.ws.Lock()
 	err := wac.ws.conn.WriteMessage(messageType, data)
 	wac.ws.Unlock()

vendor/modules.txt

@@ -15,7 +15,7 @@ github.com/Philipp15b/go-steam/protocol/steamlang
 github.com/Philipp15b/go-steam/rwu
 github.com/Philipp15b/go-steam/socialcache
 github.com/Philipp15b/go-steam/steamid
-# github.com/Rhymen/go-whatsapp v0.1.1-0.20200421062035-31e8111ac334
+# github.com/Rhymen/go-whatsapp v0.1.1-0.20200818115958-f07a700b9819
 github.com/Rhymen/go-whatsapp
 github.com/Rhymen/go-whatsapp/binary
 github.com/Rhymen/go-whatsapp/binary/proto