From e3cafeaf9292f67459ff1d186f68283bfaedf2ae Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Mon, 31 Jan 2022 00:27:37 +0100
Subject: Add dependencies/vendor (whatsapp)

---
 vendor/github.com/Rhymen/go-whatsapp/read.go | 142 ---------------------------
 1 file changed, 142 deletions(-)
 delete mode 100644 vendor/github.com/Rhymen/go-whatsapp/read.go

(limited to 'vendor/github.com/Rhymen/go-whatsapp/read.go')

diff --git a/vendor/github.com/Rhymen/go-whatsapp/read.go b/vendor/github.com/Rhymen/go-whatsapp/read.go
deleted file mode 100644
index a69147a6..00000000
--- a/vendor/github.com/Rhymen/go-whatsapp/read.go
+++ /dev/null
@@ -1,142 +0,0 @@
-package whatsapp
-
-import (
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/json"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"strings"
-
-	"github.com/Rhymen/go-whatsapp/binary"
-	"github.com/Rhymen/go-whatsapp/crypto/cbc"
-	"github.com/gorilla/websocket"
-	"github.com/pkg/errors"
-)
-
-func (wac *Conn) readPump() {
-	defer func() {
-		wac.wg.Done()
-		_, _ = wac.Disconnect()
-	}()
-
-	var readErr error
-	var msgType int
-	var reader io.Reader
-
-	for {
-		readerFound := make(chan struct{})
-		go func() {
-			if wac.ws != nil {
-				msgType, reader, readErr = wac.ws.conn.NextReader()
-			}
-			close(readerFound)
-		}()
-		select {
-		case <-readerFound:
-			if readErr != nil {
-				wac.handle(&ErrConnectionFailed{Err: readErr})
-				return
-			}
-			msg, err := ioutil.ReadAll(reader)
-			if err != nil {
-				wac.handle(errors.Wrap(err, "error reading message from Reader"))
-				continue
-			}
-			err = wac.processReadData(msgType, msg)
-			if err != nil {
-				wac.handle(errors.Wrap(err, "error processing data"))
-			}
-		case <-wac.ws.close:
-			return
-		}
-	}
-}
-
-func (wac *Conn) processReadData(msgType int, msg []byte) error {
-	data := strings.SplitN(string(msg), ",", 2)
-
-	if data[0][0] == '!' { //Keep-Alive Timestamp
-		data = append(data, data[0][1:]) //data[1]
-		data[0] = "!"
-	}
-
-	if len(data) == 2 && len(data[1]) == 0 {
-		return nil
-	}
-
-	if len(data) != 2 || len(data[1]) == 0 {
-		return ErrInvalidWsData
-	}
-
-	wac.listener.RLock()
-	listener, hasListener := wac.listener.m[data[0]]
-	wac.listener.RUnlock()
-
-	if hasListener {
-		// listener only exists for TextMessages query messages out of contact.go
-		// If these binary query messages can be handled another way,
-		// then the TextMessages, which are all JSON encoded, can directly
-		// be unmarshalled. The listener chan could then be changed from type
-		// chan string to something like chan map[string]interface{}. The unmarshalling
-		// in several places, especially in session.go, would then be gone.
-		listener <- data[1]
-		close(listener)
-		wac.removeListener(data[0])
-	} else if msgType == websocket.BinaryMessage {
-		wac.loginSessionLock.RLock()
-		sess := wac.session
-		wac.loginSessionLock.RUnlock()
-		if sess == nil || sess.MacKey == nil || sess.EncKey == nil {
-			return ErrInvalidWsState
-		}
-		message, err := wac.decryptBinaryMessage([]byte(data[1]))
-		if err != nil {
-			return errors.Wrap(err, "error decoding binary")
-		}
-		wac.dispatch(message)
-	} else { //RAW json status updates
-		wac.handle(string(data[1]))
-	}
-	return nil
-}
-
-func (wac *Conn) decryptBinaryMessage(msg []byte) (*binary.Node, error) {
-	//message validation
-	h2 := hmac.New(sha256.New, wac.session.MacKey)
-	if len(msg) < 33 {
-		var response struct {
-			Status int `json:"status"`
-		}
-
-		if err := json.Unmarshal(msg, &response); err == nil {
-			if response.Status == http.StatusNotFound {
-				return nil, ErrServerRespondedWith404
-			}
-			return nil, errors.New(fmt.Sprintf("server responded with %d", response.Status))
-		}
-
-		return nil, ErrInvalidServerResponse
-
-	}
-	h2.Write([]byte(msg[32:]))
-	if !hmac.Equal(h2.Sum(nil), msg[:32]) {
-		return nil, ErrInvalidHmac
-	}
-
-	// message decrypt
-	d, err := cbc.Decrypt(wac.session.EncKey, nil, msg[32:])
-	if err != nil {
-		return nil, errors.Wrap(err, "decrypting message with AES-CBC failed")
-	}
-
-	// message unmarshal
-	message, err := binary.Unmarshal(d)
-	if err != nil {
-		return nil, errors.Wrap(err, "could not decode binary")
-	}
-
-	return message, nil
-}
-- 
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