1 files changed, 0 insertions, 389 deletions
diff --git a/vendor/github.com/Rhymen/go-whatsapp/conn.go b/vendor/github.com/Rhymen/go-whatsapp/conn.go
deleted file mode 100644
index d53d92c2..00000000
--- a/vendor/github.com/Rhymen/go-whatsapp/conn.go
+++ /dev/null
@@ -1,389 +0,0 @@
-//Package whatsapp provides a developer API to interact with the WhatsAppWeb-Servers.
-package whatsapp
-
-import (
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/json"
-	"fmt"
-	"math/rand"
-	"net/http"
-	"os"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/Rhymen/go-whatsapp/binary"
-	"github.com/Rhymen/go-whatsapp/crypto/cbc"
-	"github.com/gorilla/websocket"
-)
-
-type metric byte
-
-const (
-	debugLog metric = iota + 1
-	queryResume
-	queryReceipt
-	queryMedia
-	queryChat
-	queryContacts
-	queryMessages
-	presence
-	presenceSubscribe
-	group
-	read
-	chat
-	received
-	pic
-	status
-	message
-	queryActions
-	block
-	queryGroup
-	queryPreview
-	queryEmoji
-	queryMessageInfo
-	spam
-	querySearch
-	queryIdentity
-	queryUrl
-	profile
-	contact
-	queryVcard
-	queryStatus
-	queryStatusUpdate
-	privacyStatus
-	queryLiveLocations
-	liveLocation
-	queryVname
-	queryLabels
-	call
-	queryCall
-	queryQuickReplies
-)
-
-type flag byte
-
-const (
-	ignore flag = 1 << (7 - iota)
-	ackRequest
-	available
-	notAvailable
-	expires
-	skipOffline
-)
-
-/*
-Conn is created by NewConn. Interacting with the initialized Conn is the main way of interacting with our package.
-It holds all necessary information to make the package work internally.
-*/
-type Conn struct {
-	wsConn         *websocket.Conn
-	wsConnOK       bool
-	wsConnMutex    sync.RWMutex
-	session        *Session
-	listener       map[string]chan string
-	listenerMutex  sync.RWMutex
-	writeChan      chan wsMsg
-	handler        []Handler
-	msgCount       int
-	msgTimeout     time.Duration
-	Info           *Info
-	Store          *Store
-	ServerLastSeen time.Time
-
-	longClientName  string
-	shortClientName string
-}
-
-type wsMsg struct {
-	messageType int
-	data        []byte
-}
-
-/*
-Creates a new connection with a given timeout. The websocket connection to the WhatsAppWeb servers get´s established.
-The goroutine for handling incoming messages is started
-*/
-func NewConn(timeout time.Duration) (*Conn, error) {
-	wac := &Conn{
-		wsConn:        nil, // will be set in connect()
-		wsConnMutex:   sync.RWMutex{},
-		listener:      make(map[string]chan string),
-		listenerMutex: sync.RWMutex{},
-		writeChan:     make(chan wsMsg),
-		handler:       make([]Handler, 0),
-		msgCount:      0,
-		msgTimeout:    timeout,
-		Store:         newStore(),
-
-		longClientName:  "github.com/rhymen/go-whatsapp",
-		shortClientName: "go-whatsapp",
-	}
-
-	if err := wac.connect(); err != nil {
-		return nil, err
-	}
-
-	go wac.readPump()
-	go wac.writePump()
-	go wac.keepAlive(20000, 90000)
-
-	return wac, nil
-}
-
-func (wac *Conn) isConnected() bool {
-	wac.wsConnMutex.RLock()
-	defer wac.wsConnMutex.RUnlock()
-	if wac.wsConn == nil {
-		return false
-	}
-	if wac.wsConnOK {
-		return true
-	}
-
-	// just send a keepalive to test the connection
-	wac.sendKeepAlive()
-
-	// this method is expected to be called by loops. So we can just return false
-	return false
-}
-
-// connect should be guarded with wsConnMutex
-func (wac *Conn) connect() error {
-	dialer := &websocket.Dialer{
-		ReadBufferSize:   25 * 1024 * 1024,
-		WriteBufferSize:  10 * 1024 * 1024,
-		HandshakeTimeout: wac.msgTimeout,
-	}
-
-	headers := http.Header{"Origin": []string{"https://web.whatsapp.com"}}
-	wsConn, _, err := dialer.Dial("wss://web.whatsapp.com/ws", headers)
-	if err != nil {
-		return fmt.Errorf("couldn't dial whatsapp web websocket: %v", err)
-	}
-
-	wsConn.SetCloseHandler(func(code int, text string) error {
-		fmt.Fprintf(os.Stderr, "websocket connection closed(%d, %s)\n", code, text)
-
-		// from default CloseHandler
-		message := websocket.FormatCloseMessage(code, "")
-		wsConn.WriteControl(websocket.CloseMessage, message, time.Now().Add(time.Second))
-
-		// our close handling
-		if websocket.IsUnexpectedCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
-			fmt.Println("Trigger reconnect")
-			go wac.reconnect()
-		}
-		return nil
-	})
-
-	wac.wsConn = wsConn
-	wac.wsConnOK = true
-	return nil
-}
-
-// reconnect should be run as go routine
-func (wac *Conn) reconnect() {
-	wac.wsConnMutex.Lock()
-	wac.wsConn.Close()
-	wac.wsConn = nil
-	wac.wsConnOK = false
-	wac.wsConnMutex.Unlock()
-
-	// wait up to 60 seconds and then reconnect. As writePump should send immediately, it might
-	// reconnect as well. So we check its existance before reconnecting
-	for !wac.isConnected() {
-		time.Sleep(time.Duration(rand.Intn(60)) * time.Second)
-
-		wac.wsConnMutex.Lock()
-		if wac.wsConn == nil {
-			if err := wac.connect(); err != nil {
-				fmt.Fprintf(os.Stderr, "could not reconnect to websocket: %v\n", err)
-			}
-		}
-		wac.wsConnMutex.Unlock()
-	}
-}
-
-func (wac *Conn) write(data []interface{}) (<-chan string, error) {
-	d, err := json.Marshal(data)
-	if err != nil {
-		return nil, err
-	}
-
-	ts := time.Now().Unix()
-	messageTag := fmt.Sprintf("%d.--%d", ts, wac.msgCount)
-	msg := fmt.Sprintf("%s,%s", messageTag, d)
-
-	ch := make(chan string, 1)
-
-	wac.listenerMutex.Lock()
-	wac.listener[messageTag] = ch
-	wac.listenerMutex.Unlock()
-
-	wac.writeChan <- wsMsg{websocket.TextMessage, []byte(msg)}
-
-	wac.msgCount++
-	return ch, nil
-}
-
-func (wac *Conn) writeBinary(node binary.Node, metric metric, flag flag, tag string) (<-chan string, error) {
-	if len(tag) < 2 {
-		return nil, fmt.Errorf("no tag specified or to short")
-	}
-	b, err := binary.Marshal(node)
-	if err != nil {
-		return nil, err
-	}
-
-	cipher, err := cbc.Encrypt(wac.session.EncKey, nil, b)
-	if err != nil {
-		return nil, err
-	}
-
-	h := hmac.New(sha256.New, wac.session.MacKey)
-	h.Write(cipher)
-	hash := h.Sum(nil)
-
-	data := []byte(tag + ",")
-	data = append(data, byte(metric), byte(flag))
-	data = append(data, hash[:32]...)
-	data = append(data, cipher...)
-
-	ch := make(chan string, 1)
-
-	wac.listenerMutex.Lock()
-	wac.listener[tag] = ch
-	wac.listenerMutex.Unlock()
-
-	msg := wsMsg{websocket.BinaryMessage, data}
-	wac.writeChan <- msg
-
-	wac.msgCount++
-	return ch, nil
-}
-
-func (wac *Conn) readPump() {
-	defer wac.wsConn.Close()
-
-	for {
-		msgType, msg, err := wac.wsConn.ReadMessage()
-		if err != nil {
-			wac.wsConnOK = false
-			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway) {
-				wac.handle(fmt.Errorf("unexpected websocket close: %v", err))
-			}
-			// sleep for a second and retry reading the next message
-			time.Sleep(time.Second)
-			continue
-		}
-		wac.wsConnOK = true
-
-		data := strings.SplitN(string(msg), ",", 2)
-
-		//Kepp-Alive Timestmap
-		if data[0][0] == '!' {
-			msecs, err := strconv.ParseInt(data[0][1:], 10, 64)
-			if err != nil {
-				fmt.Fprintf(os.Stderr, "Error converting time string to uint: %v\n", err)
-				continue
-			}
-			wac.ServerLastSeen = time.Unix(msecs/1000, (msecs%1000)*int64(time.Millisecond))
-			continue
-		}
-
-		wac.listenerMutex.RLock()
-		listener, hasListener := wac.listener[data[0]]
-		wac.listenerMutex.RUnlock()
-
-		if len(data[1]) == 0 {
-			continue
-		} else if hasListener {
-			listener <- data[1]
-
-			wac.listenerMutex.Lock()
-			delete(wac.listener, data[0])
-			wac.listenerMutex.Unlock()
-		} else if msgType == 2 && wac.session != nil && wac.session.EncKey != nil {
-			message, err := wac.decryptBinaryMessage([]byte(data[1]))
-			if err != nil {
-				wac.handle(fmt.Errorf("error decoding binary: %v", err))
-				continue
-			}
-
-			wac.dispatch(message)
-		} else {
-			wac.handle(string(data[1]))
-		}
-
-	}
-}
-
-func (wac *Conn) writePump() {
-	for msg := range wac.writeChan {
-		for !wac.isConnected() {
-			// reconnect to send the message ASAP
-			wac.wsConnMutex.Lock()
-			if wac.wsConn == nil {
-				if err := wac.connect(); err != nil {
-					fmt.Fprintf(os.Stderr, "could not reconnect to websocket: %v\n", err)
-				}
-			}
-			wac.wsConnMutex.Unlock()
-			if !wac.isConnected() {
-				// reconnecting failed. Sleep for a while and try again afterwards
-				time.Sleep(time.Duration(rand.Intn(5)) * time.Second)
-			}
-		}
-		if err := wac.wsConn.WriteMessage(msg.messageType, msg.data); err != nil {
-			fmt.Fprintf(os.Stderr, "error writing to socket: %v\n", err)
-			wac.wsConnOK = false
-			// add message to channel again to no loose it
-			go func() {
-				wac.writeChan <- msg
-			}()
-		}
-	}
-}
-
-func (wac *Conn) sendKeepAlive() {
-	// whatever issues might be there allow sending this message
-	wac.wsConnOK = true
-	wac.writeChan <- wsMsg{
-		messageType: websocket.TextMessage,
-		data:        []byte("?,,"),
-	}
-}
-
-func (wac *Conn) keepAlive(minIntervalMs int, maxIntervalMs int) {
-	for {
-		wac.sendKeepAlive()
-		interval := rand.Intn(maxIntervalMs-minIntervalMs) + minIntervalMs
-		<-time.After(time.Duration(interval) * time.Millisecond)
-	}
-}
-
-func (wac *Conn) decryptBinaryMessage(msg []byte) (*binary.Node, error) {
-	//message validation
-	h2 := hmac.New(sha256.New, wac.session.MacKey)
-	h2.Write([]byte(msg[32:]))
-	if !hmac.Equal(h2.Sum(nil), msg[:32]) {
-		return nil, fmt.Errorf("message received with invalid hmac")
-	}
-
-	// message decrypt
-	d, err := cbc.Decrypt(wac.session.EncKey, nil, msg[32:])
-	if err != nil {
-		return nil, fmt.Errorf("error decrypting message with AES: %v", err)
-	}
-
-	// message unmarshal
-	message, err := binary.Unmarshal(d)
-	if err != nil {
-		return nil, fmt.Errorf("error decoding binary: %v", err)
-	}
-
-	return message, nil
-}