main.js

const { app, BrowserWindow, globalShortcut, screen } = require('electron');
const path = require('path');
const { exec } = require('child_process');
const os = require('os');

const hs = os.hostname();

let user = 'user';
exec('echo $(ldapsearch uid=$USER | grep cn )', (e, out, err) => {
    user = out.slice(4);
});

let mainWindow;

const createWindow = async () => {
    const { width, height } = screen.getPrimaryDisplay().workAreaSize;
    mainWindow = new BrowserWindow({
        height: height,
        width: width,
        fullscreen: true,
        frame: false,
        closable: false,
        movable: false,
        backgroundColor: '#000000',
        webPreferences: {
            devTools: false,
            preload: path.join(__dirname, 'preload.js'),
            nodeIntegration: false,
            contextIsolation: true
        },
        kiosk: true
    });

    mainWindow.loadURL('http://localhost:3000');

    globalShortcut.register('Control+Alt+=', () => {
        mainWindow.closable = true;
        mainWindow.close();
        app.quit();
    });

    globalShortcut.register('CommandOrControl+R', () => {});

    globalShortcut.register('CommandOrControl+Tab', () => {});

    mainWindow.webContents.on('did-finish-load', () => {
        mainWindow.webContents.send('message-from-main', [user, hs.split('.')[0]]);
        mainWindow.webContents.on('before-input-event', (event, input) => {
            if (input.type === 'keyDown') {
                const disabledKeys = ['=', '-'];

                if ((input.control || input.meta) && disabledKeys.includes(input.key)) {
                    event.preventDefault();
                }

                if (input.control && input.key === ',') {
                    mainWindow.webContents.openDevTools();
                }
            }
        });
    });

    mainWindow.on('did-fail-load', (event, errorCode, errorDescription) => {
        console.error('Failed to load URL:', errorDescription);
    });

    mainWindow.on('unresponsive', () => {
        console.error('Window is unresponsive');
    });

    mainWindow.on('crashed', () => {
        console.error('Window has crashed');
    });
};

app.whenReady().then(() => {
    createWindow();
});

app.on('will-quit', () => {
    globalShortcut.unregisterAll();
});

app.on('window-all-closed', function () {
    if (process.platform !== 'darwin') app.quit();
});