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run-gui.js
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run-gui.js
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const fs = require('fs-extra');
const ps = require('ps-node');
const request = require('https').request;
const {URL} = require('url');
const semver = require('semver');
const asar = require('asar');
const path = require('path');
const {spawn} = require("child_process");
const open = require('open');
const express = require('express');
const xApp = express();
let io = require('socket.io');
let client = null;
let version = '0';
let started = false;
let updURL = 'https://raw.githubusercontent.com/m4heshd/whatsapp-desktop-dark/master/package.json';
let bkPath = path.join(__dirname, 'backup', 'app.asar');
let WAPath = null;
let platform = process.platform;
let execPath = '/Applications/WhatsApp.app/Contents/MacOS/WhatsApp';
let command = 'WhatsApp.exe';
let psargs = 'ux';
if (platform === 'darwin') {
WAPath = '/Applications/WhatsApp.app/Contents/Resources/app.asar';
command = execPath;
psargs = 'ax';
}
//Backend setup
exports.startGUI = function () {
xApp.use(express.static(path.join(__dirname, 'gui')));
let xServ = xApp.listen(3210, function () {
console.log('WADark GUI installer backend started');
openInstaller();
});
io = io(xServ, {
pingTimeout: 90000
});
io.on('connection', function (socket) {
if (!started) {
client = socket;
console.log('WADark installer client connected. ID - ' + socket.id);
//Incoming messages
client.on('startInstall', function () {
setOLTxt('Identifying process..');
if (fs.existsSync(bkPath)) {
ask('Current backup will be replaced and it cannot be undone. Are you sure want to continue?', function () {
validateAndStart(false);
}, function () {
say('Hope you\'re enjoying WhatsApp dark.. :)');
hideOL();
});
} else {
validateAndStart(false);
}
});
client.on('startRestore', function () {
setOLTxt('Identifying process..');
if (fs.existsSync(bkPath)) {
validateAndStart(true);
} else {
say('Unable to locate the backup file');
hideOL();
}
});
client.on('endApp', function () {
console.log('Quitting the installer..\n');
client.disconnect();
process.exit(0);
});
client.on('checkUpd', function () {
checkAppUpd(false);
});
if (platform === 'darwin') {
setMacUI();
}
startInit();
} else {
console.log('Client connection rejected. ID - ' + socket.id);
socket.emit('setOLTxt', 'One instance of the process is already running.. Please restart if this is an error.');
}
});
};
//Backend functions
function startInit() {
showOL('Reading version info..');
fs.readJson(path.join(__dirname, 'info.json'), (error, infoJSON) => {
if (!error) {
version = infoJSON.version;
// version = "0.3.4940";
setVersion('v' + version);
checkAppUpd(true);
} else {
console.log(error);
start();
}
});
}
function checkAppUpd(isStart) {
showOL('Checking for updates..');
let req = request(new URL(updURL), function (res) {
res.on('data', (d) => {
let latest = JSON.parse(d.toString())['version'];
if (semver.lt(version, latest)) {
ask('A new update is available (v' + latest + '). Would you like to download?', openDownload, start);
} else {
if (isStart) {
start();
} else {
hideOL();
say('Your script copy is up to date.');
}
}
});
});
req.on('error', (e) => {
console.log(e);
if (isStart) {
start();
} else {
hideOL();
}
});
req.end();
}
function start() {
getThemes(function () {
endInit(fs.existsSync(bkPath));
});
}
function validateAndStart(isRestore) {
if (platform === 'darwin') {
if (fs.existsSync(WAPath)) {
startInstall(isRestore);
} else {
say('Unable to locate your WhatsApp Desktop installation. Check again and retry.');
hideOL();
}
} else {
startInstall(isRestore);
}
}
function startInstall(isRestore) {
started = true;
ps.lookup({
command: command,
psargs: psargs
}, function (err, resultList) {
if (err) {
console.log(err);
} else {
if (resultList.length) {
setOLTxt('Please close WhatsApp Desktop manually to continue installation.. </br>(Please wait if you already have)');
if (platform === 'win32') {
WAPath = resultList[0].command;
execPath = WAPath;
}
startInstall(isRestore);
} else {
if (WAPath) {
if (isRestore) {
restoreBackup(WAPath);
} else {
if (fs.existsSync(path.join(__dirname, 'override.json'))) {
overrideStyles();
} else {
applyDarkStyles(WAPath);
}
}
} else {
say('WhatsApp process not found. Make sure WhatsApp desktop is running before installing dark mode.');
hideOL();
started = false;
}
}
}
});
}
function applyDarkStyles(procPath) {
console.log('\x1b[33m%s\x1b[0m', 'TIP: You can create/download custom themes using "override.json" (Instructions are in the documentation)\n');
try {
let dir = path.dirname(procPath);
let fullpath = path.join(dir, 'resources', 'app.asar');
if (platform === 'darwin') {
fullpath = procPath;
}
setOLTxt('Backing up..');
fs.copySync(fullpath, bkPath);
setOLTxt('Extracting..');
let extPath = path.join(__dirname, 'extracted');
asar.extractAll(fullpath, extPath);
setOLTxt('Injecting styles..');
let stylePath = path.join(__dirname, 'styles', platform);
if (fs.existsSync(path.join(extPath, 'index.html'))) {
try {
fs.copySync(stylePath, extPath);
let newAsar = path.join(__dirname, 'app.asar');
asar.createPackage(extPath, newAsar, function () {
setOLTxt('Replacing files..');
try {
fs.copySync(newAsar, fullpath);
setOLTxt('Cleaning up..');
fs.removeSync(extPath);
fs.removeSync(newAsar);
let bkPath = path.join(__dirname, 'styles', platform, 'bk');
fs.copySync(path.join(bkPath, 'dark.css'), path.join(stylePath, 'dark.css'));
fs.copySync(path.join(bkPath, 'index.html'), path.join(stylePath, 'index.html'));
fs.removeSync(bkPath);
say('All done. May your beautiful eyes burn no more.. Enjoy WhatsApp Dark mode!! :)');
let WAPP = spawn(execPath, [], {
detached: true,
stdio: ['ignore', 'ignore', 'ignore']
});
WAPP.unref();
startInit();
started = false;
} catch (error) {
console.log(error);
setOLTxt('An error occurred. Cleaning up..');
fs.removeSync(extPath);
fs.removeSync(newAsar);
startInit();
started = false;
}
});
} catch (error) {
console.log(error);
hideOL();
started = false;
}
} else {
say('\x1b[31m%s\x1b[0m', 'Failed to extract WhatsApp source.');
hideOL();
started = false;
}
} catch (error) {
console.log(error);
hideOL();
started = false;
}
}
function overrideStyles() {
let stylePath = path.join(__dirname, 'styles', platform, 'dark.css');
let htmlPath = path.join(__dirname, 'styles', platform, 'index.html');
let bkPath = path.join(__dirname, 'styles', platform, 'bk');
fs.copySync(stylePath, path.join(bkPath, 'dark.css'));
fs.copySync(htmlPath, path.join(bkPath, 'index.html'));
fs.readJson(path.join(__dirname, 'override.json'), (error, ovrdJSONObject) => {
if (!error) {
getSelectedTheme(function (selTheme) {
setOLTxt('Applying theme "' + selTheme + '"..');
let ovrdJSON = ovrdJSONObject.find(x => x.themeName === selTheme);
let themeName = ((ovrdJSON.themeName === undefined) ? 'Unknown' : ovrdJSON.themeName);
let dark = ((ovrdJSON.dark === undefined) ? '#272c35' : ovrdJSON.dark);
let dark_alpha = ((ovrdJSON.dark_alpha === undefined) ? 'rgba(39, 44, 53, 0.89)' : ovrdJSON.dark_alpha);
let darker = ((ovrdJSON.darker === undefined) ? '#1f232a' : ovrdJSON.darker);
let bgcol = ((ovrdJSON.bgcol === undefined) ? '#101318' : ovrdJSON.bgcol);
let light = ((ovrdJSON.light === undefined) ? '#d1d1d1' : ovrdJSON.light);
let lighter = ((ovrdJSON.lighter === undefined) ? '#e9e9e9' : ovrdJSON.lighter);
let accent = ((ovrdJSON.accent === undefined) ? '#5792ff' : ovrdJSON.accent);
let accent2 = ((ovrdJSON.accent2 === undefined) ? '#09d261' : ovrdJSON.accent2);
let icon = ((ovrdJSON.icon === undefined) ? '#e1e1e1' : ovrdJSON.icon);
let shadow = ((ovrdJSON.shadow === undefined) ? 'rgba(0, 0, 0, 0.12)' : ovrdJSON.shadow);
let mred = ((ovrdJSON.mred === undefined) ? '#dd3b4f' : ovrdJSON.mred);
let mgreen = ((ovrdJSON.mgreen === undefined) ? '#70A352' : ovrdJSON.mgreen);
let mblue = ((ovrdJSON.mblue === undefined) ? '#527AA3' : ovrdJSON.mblue);
let msgout = ((ovrdJSON.msgout === undefined) ? '#131a25' : ovrdJSON.msgout);
let win_title = ((ovrdJSON.win_title === undefined) ? 'var(--accent)' : ovrdJSON.win_title);
let ctl_hover = ((ovrdJSON.ctl_hover === undefined) ? 'var(--darker)' : ovrdJSON.ctl_hover);
let dark_title = ((ovrdJSON.dark_title === undefined) ? true : ovrdJSON.dark_title);
fs.readFile(stylePath, 'utf8', (err, data) => {
if (!err) {
let newStyle = data;
newStyle = newStyle.replace(/^.*--dark:.*$/mg, " --dark: " + dark + ";");
newStyle = newStyle.replace(/^.*--dark_alpha:.*$/mg, " --dark_alpha: " + dark_alpha + ";");
newStyle = newStyle.replace(/^.*--darker:.*$/mg, " --darker: " + darker + ";");
newStyle = newStyle.replace(/^.*--bgcol:.*$/mg, " --bgcol: " + bgcol + ";");
newStyle = newStyle.replace(/^.*--light:.*$/mg, " --light: " + light + ";");
newStyle = newStyle.replace(/^.*--lighter:.*$/mg, " --lighter: " + lighter + ";");
newStyle = newStyle.replace(/^.*--accent:.*$/mg, " --accent: " + accent + ";");
newStyle = newStyle.replace(/^.*--accent2:.*$/mg, " --accent2: " + accent2 + ";");
newStyle = newStyle.replace(/^.*--icon:.*$/mg, " --icon: " + icon + ";");
newStyle = newStyle.replace(/^.*--shadow:.*$/mg, " --shadow: " + shadow + ";");
newStyle = newStyle.replace(/^.*--mred:.*$/mg, " --mred: " + mred + ";");
newStyle = newStyle.replace(/^.*--mgreen:.*$/mg, " --mgreen: " + mgreen + ";");
newStyle = newStyle.replace(/^.*--mblue:.*$/mg, " --mblue: " + mblue + ";");
newStyle = newStyle.replace(/^.*--msgout:.*$/mg, " --msgout: " + msgout + ";");
newStyle = newStyle.replace(/^.*--win_title:.*$/mg, " --win_title: " + win_title + ";");
newStyle = newStyle.replace(/^.*--ctl_hover:.*$/mg, " --ctl_hover: " + ctl_hover + ";");
if (dark_title === false) {
newStyle = newStyle.replace("background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6));", "");
}
fs.outputFile(stylePath, newStyle, err => {
if (err) {
console.log('\x1b[31m%s\x1b[0m', 'Unable to process the request.\n');
console.error(err);
applyDarkStyles(WAPath);
} else {
fs.readFile(htmlPath, 'utf8', (err, data) => {
if (!err) {
let newHtml = data.replace("progress[value]::-webkit-progress-value{background-color:#5792ff}progress[value]::-moz-progress-bar{background-color:#5792ff}", "progress[value]::-webkit-progress-value{background-color:" + accent + "}progress[value]::-moz-progress-bar{background-color:" + accent + "}");
fs.outputFile(htmlPath, newHtml, err => {
if (err) {
console.log('\x1b[31m%s\x1b[0m', 'Unable to process the request.\n');
console.error(err);
applyDarkStyles(WAPath);
} else {
console.log('\x1b[32m%s\x1b[0m', '\nTheme "' + themeName + '" was successfully applied.\n');
applyDarkStyles(WAPath);
}
});
} else {
console.log('\x1b[31m%s\x1b[0m', 'Unable to process the request.\n');
console.error(err);
applyDarkStyles(WAPath);
}
});
}
});
} else {
console.log('\x1b[31m%s\x1b[0m', 'Unable to process the request.\n');
console.error(err);
applyDarkStyles(WAPath);
}
});
});
} else {
console.log('\x1b[31m%s\x1b[0m', 'Unable to read "override.json" file.\n');
console.log(error);
applyDarkStyles(WAPath);
}
});
}
function restoreBackup(procPath) {
setOLTxt('Restoring original version of the application...');
started = true;
let dir = path.dirname(procPath);
let fullpath = path.join(dir, 'resources', 'app.asar');
if (platform === 'darwin') {
fullpath = procPath;
}
try {
fs.copySync(bkPath, fullpath);
say('All done. Make sure to let the developers know if something was wrong.. :)');
let WAPP = spawn(execPath, [], {
detached: true,
stdio: ['ignore', 'ignore', 'ignore']
});
WAPP.unref();
hideOL();
started = false;
} catch (error) {
say('An error occurred while restoring.');
console.log(error);
hideOL();
started = false;
}
}
function getThemes(callback) {
showOL('Loading themes..');
fs.readJson(path.join(__dirname, 'override.json'), (error, ovrdJSONObject) => {
if (!error) {
setThemeNames(ovrdJSONObject);
callback();
} else {
say('Unable to read "override.json" file.');
console.log(error);
callback();
}
});
}
function openDownload() {
(async () => {
await open('https://github.com/m4heshd/whatsapp-desktop-dark/releases/latest');
})();
}
function openInstaller() {
(async () => {
await open('http://127.0.0.1:3210/');
})();
}
//Client functions
function setOLTxt(text) {
client.emit('setOLTxt', text);
}
function showOL(text) {
client.emit('showOL', text);
}
function hideOL() {
client.emit('hideOL');
}
function setMacUI() {
client.emit('setMacUI');
}
function setVersion(ver) {
client.emit('setVersion', ver);
}
function setThemeNames(themes) {
client.emit('setThemeNames', themes);
}
function endInit(isBkAvail) {
client.emit('endInit', isBkAvail);
}
function ask(text, yes, no) {
client.emit('ask', text, function (resp) {
if (resp) {
yes();
} else {
no();
}
});
}
function say(msg) {
client.emit('say', msg);
}
function getSelectedTheme(callback) {
client.emit('getSelectedTheme', function (resp) {
callback(resp);
});
}