128 lines
3.3 KiB
JavaScript
128 lines
3.3 KiB
JavaScript
const { app, BrowserWindow } = require('electron/main');
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const path = require('node:path');
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const fs = require('fs');
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const log = require('electron-log/main');
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//------------------------------------------------------------------------------
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// Properties
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//------------------------------------------------------------------------------
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let config;
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let win;
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//------------------------------------------------------------------------------
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// Function
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//------------------------------------------------------------------------------
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/**
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* Loads a config file from disc.
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* The file is expected to be in the application path and called “config.json”.
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*/
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function loadConfig() {
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try {
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const data = fs.readFileSync(path.join(__dirname, "config.json"), { encoding: 'utf8' });
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config = JSON.parse(data);
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} catch (err) {
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if (err.code == 'ENOENT') {
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console.warn('No config file found at ' + path.join(__dirname, "config.json"));
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} else {
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console.error(err);
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}
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}
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}
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/**
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* Creates the browser window
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*/
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async function createWindow() {
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win = new BrowserWindow({
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width: 1920,
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height: 1080,
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backgroundColor: '#000000',
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icon: 'images/icon-512.png',
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webPreferences: {
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preload: path.join(__dirname, 'preload.js'),
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nodeIntegration: true,
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webSecurity: false,
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},
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show: false,
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autoHideMenuBar: true
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});
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win.on("closed", function () {
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win = null;
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});
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win.webContents.addListener("willnavigate-", validateDomain);
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win.once("ready-to-show", () => {
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win.setKiosk(true);
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win.show();
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});
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win.loadFile('index.html');
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if (config != undefined) {
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try {
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let url = new URL(config.url);
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// let options = {
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// method: 'HEAD',
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// host: url.hostname,
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// port: url.port ? url.port : 80,
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// path: '/'
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// };
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// let req = http.request(options, function (r) {
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// log.info(r.headers);
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// });
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// req.end();
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win.loadURL(config.url);
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} catch (err) {
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log.error(err);
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}
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}
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}
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/**
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* Validates the url of a navigatio event against the list of allowed domains in
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* the config file. See https://www.electronjs.org/docs/latest/api/web-contents#event-will-frame-navigate
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* @param {Event} event
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*/
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function validateDomain(event) {
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let url = new URL(event.url);
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if ('allowedDomains' in config && !config.allowedDomains.includes(url.hostname)) {
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event.preventDefault();
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log.info("Navigation to " + event.url + " prevented");
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}
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}
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//------------------------------------------------------------------------------
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// Init electon app
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//------------------------------------------------------------------------------
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app.whenReady().then(() => {
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loadConfig();
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log.initialize();
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if (config != undefined && 'logPath' in config) {
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log.transports.file.resolvePathFn = () => config.logPath;
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}
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createWindow();
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app.on('activate', () => {
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if (BrowserWindow.getAllWindows().length === 0) {
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createWindow();
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}
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})
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});
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app.on('window-all-closed', () => {
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app.quit()
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});
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