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main.js
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const { app, BrowserWindow, Menu, shell, dialog, globalShortcut, ipcMain } = require('electron');
const path = require('path');
const fs = require('fs');
// Load configuration from config.json
const configPath = path.join(__dirname, 'config.json');
const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
let mainWindow;
// Function to create the main application window
function createWindow(url = config.url) {
if (mainWindow) {
mainWindow.focus();
loadUrlInWindow(mainWindow, url);
return;
}
mainWindow = new BrowserWindow({
width: 1200,
height: 800,
icon: path.join(__dirname, 'build/icons/icon-512x512.png'),
webPreferences: {
nodeIntegration: true,
contextIsolation: false,
devTools: false, // Disable developer tools
},
});
loadUrlInWindow(mainWindow, url);
mainWindow.on('closed', () => {
mainWindow = null;
});
// Create the application menu
createMenu();
// Register shortcut to open popup
globalShortcut.register('Control+O', openPopup);
}
// Function to create the application menu
function createMenu() {
const menuTemplate = [
{
label: 'Jubla Glattbrugg',
submenu: [
{
label: 'In Browser öffnen',
click: () => {
shell.openExternal(config.url);
}
},
{
type: 'separator'
},
{
label: 'Agenda',
click: () => {
loadUrlInWindow(mainWindow, config.url_Agenda);
}
},
{
label: 'News',
click: () => {
loadUrlInWindow(mainWindow, config.url_News);
}
},
{
type: 'separator'
},
{
label: 'Beenden',
accelerator: 'Command+Q',
click: () => {
app.quit();
}
}
]
},
{
label: 'Hilfe',
submenu: [
{
label: 'Fehler melden',
click: () => {
shell.openExternal(config.url_help);
}
},
{
label: 'Über',
click: () => {
dialog.showMessageBox(mainWindow, {
type: 'info',
title: 'Über Jubla Glattbrugg',
message: 'Die offizielle Desktop-App für Jubla Glattbrugg\nVersion 0.1.0',
buttons: ['OK']
});
}
}
]
}
];
const menu = Menu.buildFromTemplate(menuTemplate);
Menu.setApplicationMenu(menu);
}
// Function to open the popup for URL entry
function openPopup() {
const popupWindow = new BrowserWindow({
width: 400,
height: 200,
parent: mainWindow,
modal: true,
webPreferences: {
nodeIntegration: true,
contextIsolation: false,
}
});
const htmlContent = `
<html>
<body>
<h2 style="color:blue">Open URL</h2>
<input id="keyword" type="text" placeholder="Schlüsselwort eingeben">
<button id="submit">Submit</button>
<script>
const { ipcRenderer } = require('electron');
document.getElementById('submit').onclick = () => {
const keyword = document.getElementById('keyword').value;
ipcRenderer.send('keyword-submitted', keyword);
};
</script>
</body>
</html>
`;
popupWindow.loadURL(`data:text/html;charset=UTF-8,${encodeURIComponent(htmlContent)}`);
// Handle keyword submission
ipcMain.on('keyword-submitted', (event, keyword) => {
if (!popupWindow.isDestroyed()) { // Check if the window is still open
popupWindow.close(); // Close the window after processing
const url = config.keywords[keyword]; // Retrieve the URL based on the keyword
if (url) {
openProtocolLink(url);
} else {
dialog.showMessageBox(mainWindow, {
type: 'error',
title: 'Ungültiges Schlüsselwort',
message: 'Das eingegebene Schlüsselwort ist ungültig oder nicht konfiguriert.'
});
}
}
});
// Handle window closed event
popupWindow.on('closed', () => {
// Remove the IPC listener when the popup is closed
ipcMain.removeAllListeners('keyword-submitted');
});
}
// Function to handle protocol link and validate domain
function openProtocolLink(url) {
const formattedUrl = formatUrl(url);
if (isAllowedUrl(formattedUrl)) {
loadUrlInWindow(mainWindow, formattedUrl);
} else {
dialog.showMessageBox(mainWindow, {
type: 'warning',
title: 'URL nicht erlaubt',
message: `Die Seite "${formattedUrl}" kann nicht in der Desktop App geöffnet werden.`,
buttons: ['In Browser öffnen', 'Zurück zur Startseite']
}).then(result => {
if (result.response === 0) {
shell.openExternal(formattedUrl);
} else {
loadUrlInWindow(mainWindow, config.url);
}
});
}
}
// Function to load a URL into the window
function loadUrlInWindow(window, url) {
const loaderHtml = `
<style>
body { margin: 0; display: flex; align-items: center; justify-content: center; height: 100vh; font-family: Arial, sans-serif; }
.loader { border: 16px solid #f3f3f3; border-top: 16px solid #3498db; border-radius: 50%; width: 120px; height: 120px; animation: spin 2s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
</style>
<div class="loader"></div>
`;
window.loadURL(`data:text/html;charset=UTF-8,${encodeURIComponent(loaderHtml)}`, { baseURLForDataURL: '' });
window.webContents.once('did-finish-load', () => {
window.loadURL(url);
});
}
// Function to format URLs (replacing http with https)
function formatUrl(url) {
if (!url.startsWith('http')) {
url = `https://${url.replace(/^jgdesktop:\/\//, '')}`;
}
return url;
}
// Check if the URL is allowed based on the domains in config.json
function isAllowedUrl(url) {
try {
const parsedUrl = new URL(url);
const allowedDomains = config.allowedDomains;
return allowedDomains.some(domain => parsedUrl.hostname.endsWith(domain));
} catch {
return false;
}
}
// Ensure single instance of the app
app.whenReady().then(() => {
app.setAsDefaultProtocolClient('jgdesktop');
const urlFromArgs = process.argv.find(arg => arg.startsWith('jgdesktop://'));
createWindow(urlFromArgs ? formatUrl(decodeURIComponent(urlFromArgs.replace('jgdesktop://', ''))) : config.url);
});
app.on('second-instance', (event, argv) => {
const urlFromArgs = argv.find(arg => arg.startsWith('jgdesktop://'));
if (mainWindow) {
openProtocolLink(urlFromArgs ? formatUrl(decodeURIComponent(urlFromArgs.replace('jgdesktop://', ''))) : config.url);
mainWindow.focus();
}
});
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') app.quit();
});
app.on('activate', () => {
if (!mainWindow) createWindow();
});