main.js

const electron = require('electron');
const { app, BrowserWindow } = electron;
const path = require('path');
const url = require('url');
//const http = require('http');
var mobileapp = require('express')();
var http = require('http').Server(mobileapp);
var io = require('socket.io')(http);
var ip = require('ip');
var fs = require('fs');

/*
var http2 = require('http'),
    httpProxy = require('http-proxy');
//
// Create your proxy server and set the target in the options.
//
httpProxy.createProxyServer({target:'https://m.youtube.com'}).listen(8000); // See (†)

//
// Create your target server
//
http2.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.write('request successfully proxied!' + '\n' + JSON.stringify(req.headers, true, 2));
  res.end();
}).listen(9000);
*/

global.req = [];
global.fs = fs;

var contents;
mobileapp.get('/*', function(req, res) {
    console.log("req: " + req);
    global.req.push(req);
    var q = url.parse(req.originalUrl, true);
    if (req.originalUrl == "/" || req.originalUrl == "") {
        res.sendFile(__dirname + '/mobile/index.html');
    } else {
        res.sendFile(__dirname + q.pathname);
    }
});

mobileapp.get('/keys.js', function(req, res) {
    res.sendFile(__dirname + '/keys.js');
});

io.on('connection', function(socket) {
    console.log('a user connected');
    contents.executeJavaScript('connected()');
    //io.emit('openHome', '1');
    socket.on('call', function(msg) {
        contents.executeJavaScript('s.exeFunction(' + JSON.stringify(msg) + ')')
    });
    socket.on('startApp', function(msg) {
        console.log('startApp: ' + msg);
        contents.executeJavaScript('startApp("' + msg + '")');
        io.emit('startApp', msg);
    });
});

http.listen(3000, function() {
    console.log('listening on ' + ip.address() + ':3000');

});

function makeQR() {
    contents.executeJavaScript('makeQR("http://' + ip.address() + ':3000' + '")');
}

global.something = "heyho:)";



global.io = io;



function createWindow() {
    // Create the browser window.
    const { width, height } = electron.screen.getPrimaryDisplay().workAreaSize
    win = new BrowserWindow({
        width,
        height,
        backgroundColor: '#000',
        "node-integration": "iframe", // and this line
        "web-preferences": {
            "nativeWindowOpen": true,
            "web-security": false,
            "plugins": true
        }
    });
    win.setMenu(null);
    // und Laden der index.html der App.
    win.loadURL(url.format({
        pathname: path.join(__dirname, 'index.html'),
        protocol: 'file:',
        slashes: true
    }))
    contents = win.webContents;
    makeQR();
    contents.on('new-window', (event, url) => {
        event.preventDefault()
        global.event = event;
        global.url = url;
        const win2 = new BrowserWindow({ show: false })
        win2.once('ready-to-show', () => win.show())
        win2.loadURL(url)
        event.newGuest = win2
    })
    global.win = win;
    win.webContents.session.webRequest.onHeadersReceived({}, (d, c) => {
        if (d.responseHeaders['x-frame-options'] || d.responseHeaders['X-Frame-Options']) {
            delete d.responseHeaders['x-frame-options'];
            delete d.responseHeaders['X-Frame-Options'];
        }
        c({ cancel: false, responseHeaders: d.responseHeaders });
    });
}

app.on('ready', createWindow)