mirror of
https://github.com/tulir/mautrix-whatsapp
synced 2024-12-16 02:13:47 +01:00
360 lines
11 KiB
Go
360 lines
11 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
|
|
// Copyright (C) 2020 Tulir Asokan
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/Rhymen/go-whatsapp"
|
|
"github.com/gorilla/websocket"
|
|
log "maunium.net/go/maulogger/v2"
|
|
|
|
whatsappExt "maunium.net/go/mautrix-whatsapp/whatsapp-ext"
|
|
"maunium.net/go/mautrix/id"
|
|
)
|
|
|
|
type ProvisioningAPI struct {
|
|
bridge *Bridge
|
|
log log.Logger
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) Init() {
|
|
prov.log = prov.bridge.Log.Sub("Provisioning")
|
|
prov.log.Debugln("Enabling provisioning API at", prov.bridge.Config.AppService.Provisioning.Prefix)
|
|
r := prov.bridge.AS.Router.PathPrefix(prov.bridge.Config.AppService.Provisioning.Prefix).Subrouter()
|
|
r.Use(prov.AuthMiddleware)
|
|
r.HandleFunc("/ping", prov.Ping).Methods(http.MethodGet)
|
|
r.HandleFunc("/login", prov.Login)
|
|
r.HandleFunc("/logout", prov.Logout).Methods(http.MethodPost)
|
|
r.HandleFunc("/delete_session", prov.DeleteSession).Methods(http.MethodPost)
|
|
r.HandleFunc("/delete_connection", prov.DeleteConnection).Methods(http.MethodPost)
|
|
r.HandleFunc("/disconnect", prov.Disconnect).Methods(http.MethodPost)
|
|
r.HandleFunc("/reconnect", prov.Reconnect).Methods(http.MethodPost)
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) AuthMiddleware(h http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
auth := r.Header.Get("Authorization")
|
|
auth = auth[len("Bearer "):]
|
|
if auth != prov.bridge.Config.AppService.Provisioning.SharedSecret {
|
|
jsonResponse(w, http.StatusForbidden, map[string]interface{}{
|
|
"error": "Invalid auth token",
|
|
"errcode": "M_FORBIDDEN",
|
|
})
|
|
return
|
|
}
|
|
userID := r.URL.Query().Get("user_id")
|
|
user := prov.bridge.GetUserByMXID(id.UserID(userID))
|
|
h.ServeHTTP(w, r.WithContext(context.WithValue(r.Context(), "user", user)))
|
|
})
|
|
}
|
|
|
|
type Error struct {
|
|
Success bool `json:"success"`
|
|
Error string `json:"error"`
|
|
ErrCode string `json:"errcode"`
|
|
}
|
|
|
|
type Response struct {
|
|
Success bool `json:"success"`
|
|
Status string `json:"status"`
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) DeleteSession(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
if user.Session == nil && user.Conn == nil {
|
|
jsonResponse(w, http.StatusNotFound, Error{
|
|
Error: "Nothing to purge: no session information stored and no active connection.",
|
|
ErrCode: "no session",
|
|
})
|
|
return
|
|
}
|
|
user.SetSession(nil)
|
|
if user.Conn != nil {
|
|
_, _ = user.Conn.Disconnect()
|
|
user.Conn.RemoveHandlers()
|
|
user.Conn = nil
|
|
}
|
|
jsonResponse(w, http.StatusOK, Response{true, "Session information purged"})
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) DeleteConnection(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
if user.Conn == nil {
|
|
jsonResponse(w, http.StatusNotFound, Error{
|
|
Error: "You don't have a WhatsApp connection.",
|
|
ErrCode: "not connected",
|
|
})
|
|
return
|
|
}
|
|
sess, err := user.Conn.Disconnect()
|
|
if err == nil && len(sess.Wid) > 0 {
|
|
user.SetSession(&sess)
|
|
}
|
|
user.Conn.RemoveHandlers()
|
|
user.Conn = nil
|
|
jsonResponse(w, http.StatusOK, Response{true, "Disconnected from WhatsApp and connection deleted"})
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) Disconnect(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
if user.Conn == nil {
|
|
jsonResponse(w, http.StatusNotFound, Error{
|
|
Error: "You don't have a WhatsApp connection.",
|
|
ErrCode: "no connection",
|
|
})
|
|
return
|
|
}
|
|
sess, err := user.Conn.Disconnect()
|
|
if err == whatsapp.ErrNotConnected {
|
|
jsonResponse(w, http.StatusNotFound, Error{
|
|
Error: "You were not connected",
|
|
ErrCode: "not connected",
|
|
})
|
|
return
|
|
} else if err != nil {
|
|
user.log.Warnln("Error while disconnecting:", err)
|
|
jsonResponse(w, http.StatusInternalServerError, Error{
|
|
Error: fmt.Sprintf("Unknown error while disconnecting: %v", err),
|
|
ErrCode: err.Error(),
|
|
})
|
|
return
|
|
} else if len(sess.Wid) > 0 {
|
|
user.SetSession(&sess)
|
|
}
|
|
jsonResponse(w, http.StatusOK, Response{true, "Disconnected from WhatsApp"})
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) Reconnect(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
if user.Conn == nil {
|
|
if user.Session == nil {
|
|
jsonResponse(w, http.StatusForbidden, Error{
|
|
Error: "No existing connection and no session. Please log in first.",
|
|
ErrCode: "no session",
|
|
})
|
|
} else {
|
|
user.Connect(false)
|
|
jsonResponse(w, http.StatusOK, Response{true, "Created connection to WhatsApp."})
|
|
}
|
|
return
|
|
}
|
|
|
|
wasConnected := true
|
|
sess, err := user.Conn.Disconnect()
|
|
if err == whatsapp.ErrNotConnected {
|
|
wasConnected = false
|
|
} else if err != nil {
|
|
user.log.Warnln("Error while disconnecting:", err)
|
|
} else if len(sess.Wid) > 0 {
|
|
user.SetSession(&sess)
|
|
}
|
|
|
|
err = user.Conn.Restore()
|
|
if err == whatsapp.ErrInvalidSession {
|
|
if user.Session != nil {
|
|
user.log.Debugln("Got invalid session error when reconnecting, but user has session. Retrying using RestoreWithSession()...")
|
|
var sess whatsapp.Session
|
|
sess, err = user.Conn.RestoreWithSession(*user.Session)
|
|
if err == nil {
|
|
user.SetSession(&sess)
|
|
}
|
|
} else {
|
|
jsonResponse(w, http.StatusForbidden, Error{
|
|
Error: "You're not logged in",
|
|
ErrCode: "not logged in",
|
|
})
|
|
return
|
|
}
|
|
} else if err == whatsapp.ErrLoginInProgress {
|
|
jsonResponse(w, http.StatusConflict, Error{
|
|
Error: "A login or reconnection is already in progress.",
|
|
ErrCode: "login in progress",
|
|
})
|
|
return
|
|
} else if err == whatsapp.ErrAlreadyLoggedIn {
|
|
jsonResponse(w, http.StatusConflict, Error{
|
|
Error: "You were already connected.",
|
|
ErrCode: err.Error(),
|
|
})
|
|
return
|
|
}
|
|
if err != nil {
|
|
user.log.Warnln("Error while reconnecting:", err)
|
|
if err.Error() == "restore session connection timed out" {
|
|
jsonResponse(w, http.StatusForbidden, Error{
|
|
Error: "Reconnection timed out. Is WhatsApp on your phone reachable?",
|
|
ErrCode: err.Error(),
|
|
})
|
|
} else {
|
|
jsonResponse(w, http.StatusForbidden, Error{
|
|
Error: fmt.Sprintf("Unknown error while reconnecting: %v", err),
|
|
ErrCode: err.Error(),
|
|
})
|
|
}
|
|
user.log.Debugln("Disconnecting due to failed session restore in reconnect command...")
|
|
sess, err := user.Conn.Disconnect()
|
|
if err != nil {
|
|
user.log.Errorln("Failed to disconnect after failed session restore in reconnect command:", err)
|
|
} else if len(sess.Wid) > 0 {
|
|
user.SetSession(&sess)
|
|
}
|
|
return
|
|
}
|
|
user.ConnectionErrors = 0
|
|
user.PostLogin()
|
|
|
|
var msg string
|
|
if wasConnected {
|
|
msg = "Reconnected successfully."
|
|
} else {
|
|
msg = "Connected successfully."
|
|
}
|
|
|
|
jsonResponse(w, http.StatusOK, Response{true, msg})
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) Ping(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
wa := map[string]interface{}{
|
|
"has_session": user.Session != nil,
|
|
"management_room": user.ManagementRoom,
|
|
"conn": nil,
|
|
"ping": nil,
|
|
}
|
|
if user.Conn != nil {
|
|
wa["conn"] = map[string]interface{}{
|
|
"is_connected": user.Conn.IsConnected(),
|
|
"is_logged_in": user.Conn.IsLoggedIn(),
|
|
"is_login_in_progress": user.Conn.IsLoginInProgress(),
|
|
}
|
|
ok, err := user.Conn.AdminTest()
|
|
wa["ping"] = map[string]interface{}{
|
|
"ok": ok,
|
|
"err": err,
|
|
}
|
|
}
|
|
resp := map[string]interface{}{
|
|
"mxid": user.MXID,
|
|
"admin": user.Admin,
|
|
"whitelisted": user.Whitelisted,
|
|
"relaybot_whitelisted": user.RelaybotWhitelisted,
|
|
"whatsapp": wa,
|
|
}
|
|
jsonResponse(w, http.StatusOK, resp)
|
|
}
|
|
|
|
func jsonResponse(w http.ResponseWriter, status int, response interface{}) {
|
|
w.Header().Add("Content-Type", "application/json")
|
|
w.WriteHeader(status)
|
|
_ = json.NewEncoder(w).Encode(response)
|
|
}
|
|
|
|
func (prov *ProvisioningAPI) Logout(w http.ResponseWriter, r *http.Request) {
|
|
user := r.Context().Value("user").(*User)
|
|
if user.Session == nil {
|
|
jsonResponse(w, http.StatusNotFound, Error{
|
|
Error: "You're not logged in",
|
|
ErrCode: "not logged in",
|
|
})
|
|
return
|
|
}
|
|
|
|
err := user.Conn.Logout()
|
|
if err != nil {
|
|
user.log.Warnln("Error while logging out:", err)
|
|
jsonResponse(w, http.StatusInternalServerError, Error{
|
|
Error: fmt.Sprintf("Unknown error while logging out: %v", err),
|
|
ErrCode: err.Error(),
|
|
})
|
|
return
|
|
}
|
|
_, err = user.Conn.Disconnect()
|
|
if err != nil {
|
|
user.log.Warnln("Error while disconnecting after logout:", err)
|
|
}
|
|
user.Conn.RemoveHandlers()
|
|
user.Conn = nil
|
|
user.SetSession(nil)
|
|
jsonResponse(w, http.StatusOK, Response{true, "Logged out successfully."})
|
|
}
|
|
|
|
var upgrader = websocket.Upgrader{}
|
|
|
|
func (prov *ProvisioningAPI) Login(w http.ResponseWriter, r *http.Request) {
|
|
userID := r.URL.Query().Get("user_id")
|
|
user := prov.bridge.GetUserByMXID(id.UserID(userID))
|
|
|
|
c, err := upgrader.Upgrade(w, r, nil)
|
|
if err != nil {
|
|
prov.log.Errorfln("Failed to upgrade connection to websocket:", err)
|
|
return
|
|
}
|
|
defer c.Close()
|
|
|
|
if !user.Connect(true) {
|
|
user.log.Debugln("Connect() returned false, assuming error was logged elsewhere and canceling login.")
|
|
_ = c.WriteJSON(Error{
|
|
Error: "Failed to connect to WhatsApp",
|
|
ErrCode: "connection error",
|
|
})
|
|
return
|
|
}
|
|
|
|
qrChan := make(chan string, 3)
|
|
go func() {
|
|
for code := range qrChan {
|
|
if code == "stop" {
|
|
return
|
|
}
|
|
_ = c.WriteJSON(map[string]interface{}{
|
|
"code": code,
|
|
})
|
|
}
|
|
}()
|
|
session, err := user.Conn.LoginWithRetry(qrChan, user.bridge.Config.Bridge.LoginQRRegenCount)
|
|
qrChan <- "stop"
|
|
if err != nil {
|
|
var msg string
|
|
if err == whatsapp.ErrAlreadyLoggedIn {
|
|
msg = "You're already logged in"
|
|
} else if err == whatsapp.ErrLoginInProgress {
|
|
msg = "You have a login in progress already."
|
|
} else if err == whatsapp.ErrLoginTimedOut {
|
|
msg = "QR code scan timed out. Please try again."
|
|
} else {
|
|
user.log.Warnln("Failed to log in:", err)
|
|
msg = fmt.Sprintf("Unknown error while logging in: %v", err)
|
|
}
|
|
_ = c.WriteJSON(Error{
|
|
Error: msg,
|
|
ErrCode: err.Error(),
|
|
})
|
|
return
|
|
}
|
|
user.ConnectionErrors = 0
|
|
user.JID = strings.Replace(user.Conn.Info.Wid, whatsappExt.OldUserSuffix, whatsappExt.NewUserSuffix, 1)
|
|
user.SetSession(&session)
|
|
_ = c.WriteJSON(map[string]interface{}{
|
|
"success": true,
|
|
"jid": user.JID,
|
|
})
|
|
user.PostLogin()
|
|
}
|