1 files changed, 18 insertions, 20 deletions

diff --git a/src/server/websocket.ts b/src/server/websocket.ts
index be5cdb202..a26b81bdf 100644
--- a/src/server/websocket.ts
+++ b/src/server/websocket.ts
@@ -1,10 +1,8 @@
 import { blue } from 'colors';
 import * as express from 'express';
-import { createServer, Server } from 'https';
+import { createServer } from 'https';
+import { Server, Socket } from '../../node_modules/socket.io/dist/index';
 import { networkInterfaces } from 'os';
-import * as sio from 'socket.io';
-import { Socket } from 'socket.io';
-import { Opt } from '../fields/Doc';
 import { Utils } from '../Utils';
 import { logPort } from './ActionUtilities';
 import { timeMap } from './ApiManagers/UserManager';
@@ -18,31 +16,31 @@ import { DocumentsCollection } from './IDatabase';
 import { Diff, GestureContent, MessageStore, MobileDocumentUploadContent, MobileInkOverlayContent, Transferable, Types, UpdateMobileInkOverlayPositionContent, YoutubeQueryInput, YoutubeQueryTypes } from './Message';
 import { Search } from './Search';
 import { resolvedPorts } from './server_Initialization';
-var _ = require('lodash');
+import * as _ from 'lodash';
 
 export namespace WebSocket {
     export let _socket: Socket;
     export const clients: { [key: string]: Client } = {};
-    export const socketMap = new Map<SocketIO.Socket, string>();
+    export const socketMap = new Map<Socket, string>();
     export const userOperations = new Map<string, number>();
     export let disconnect: Function;
 
     export async function initialize(isRelease: boolean, app: express.Express) {
-        let io: sio.Server;
+        let io: Server;
         if (isRelease) {
             const { socketPort } = process.env;
             if (socketPort) {
                 resolvedPorts.socket = Number(socketPort);
             }
-            let socketEndpoint: Opt<Server>;
-            await new Promise<void>(resolve => (socketEndpoint = createServer(SSL.Credentials, app).listen(resolvedPorts.socket, resolve)));
-            io = sio(socketEndpoint!, SSL.Credentials as any);
+            io = new Server(createServer(SSL.Credentials, app), SSL.Credentials as any);
+            io.listen(resolvedPorts.socket);
         } else {
-            io = sio().listen(resolvedPorts.socket);
+            io = new Server();
+            io.listen(resolvedPorts.socket);
         }
         logPort('websocket', resolvedPorts.socket);
 
-        io.on('connection', function (socket: Socket) {
+        io.on('connection', socket => {
             _socket = socket;
             socket.use((_packet, next) => {
                 const userEmail = socketMap.get(socket);
@@ -67,8 +65,8 @@ export namespace WebSocket {
             socket.on('create or join', function (room) {
                 console.log('Received request to create or join room ' + room);
 
-                const clientsInRoom = socket.adapter.rooms[room];
-                const numClients = clientsInRoom ? Object.keys(clientsInRoom.sockets).length : 0;
+                const clientsInRoom = socket.rooms.has(room);
+                const numClients = clientsInRoom ? Object.keys(room.sockets).length : 0;
                 console.log('Room ' + room + ' now has ' + numClients + ' client(s)');
 
                 if (numClients === 0) {
@@ -90,7 +88,7 @@ export namespace WebSocket {
             socket.on('ipaddr', function () {
                 const ifaces = networkInterfaces();
                 for (const dev in ifaces) {
-                    ifaces[dev].forEach(function (details) {
+                    ifaces[dev]?.forEach(function (details) {
                         if (details.family === 'IPv4' && details.address !== '127.0.0.1') {
                             socket.emit('ipaddr', details.address);
                         }
@@ -191,7 +189,7 @@ export namespace WebSocket {
         initializeGuest();
     }
 
-    function barReceived(socket: SocketIO.Socket, userEmail: string) {
+    function barReceived(socket: Socket, userEmail: string) {
         clients[userEmail] = new Client(userEmail.toString());
         const currentdate = new Date();
         const datetime = currentdate.getDate() + '/' + (currentdate.getMonth() + 1) + '/' + currentdate.getFullYear() + ' @ ' + currentdate.getHours() + ':' + currentdate.getMinutes() + ':' + currentdate.getSeconds();
@@ -308,9 +306,9 @@ export namespace WebSocket {
                 if (sendBack) {
                     console.log('Warning: list modified during update. Composite list is being returned.');
                     const id = socket.id;
-                    socket.id = '';
+                    (socket as any).id = '';
                     socket.broadcast.emit(MessageStore.UpdateField.Message, diff);
-                    socket.id = id;
+                    (socket as any).id = id;
                 } else socket.broadcast.emit(MessageStore.UpdateField.Message, diff);
                 dispatchNextOp(diff.id);
             },
@@ -401,9 +399,9 @@ export namespace WebSocket {
                     // the two copies are different, so the server sends its copy.
                     console.log('SEND BACK');
                     const id = socket.id;
-                    socket.id = '';
+                    (socket as any).id = '';
                     socket.broadcast.emit(MessageStore.UpdateField.Message, diff);
-                    socket.id = id;
+                    (socket as any).id = id;
                 } else socket.broadcast.emit(MessageStore.UpdateField.Message, diff);
                 dispatchNextOp(diff.id);
             },