first commit

agent/main.js

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+// Electron main process for the host agent.
+// Owns: the consent window, screen-source selection, and OS input injection.
+// WebRTC lives in the renderer (it needs a DOM/navigator); input events arrive
+// from the renderer over IPC and are injected here.
+const { app, BrowserWindow, ipcMain, desktopCapturer, screen } = require('electron');
+const path = require('path');
+const injector = require('./input/inject');
+
+const SERVER_URL = process.env.SERVER_URL || 'http://localhost:8090';
+const ENROLL_TOKEN = process.env.AGENT_ENROLL_TOKEN || '';
+
+let win;
+
+function createWindow() {
+  win = new BrowserWindow({
+    width: 460,
+    height: 560,
+    resizable: false,
+    title: 'Remote Access Agent',
+    webPreferences: {
+      preload: path.join(__dirname, 'preload.js'),
+      contextIsolation: true,
+      nodeIntegration: false,
+    },
+  });
+  win.loadFile(path.join(__dirname, 'renderer', 'agent.html'));
+  // Pass config to the renderer once loaded
+  win.webContents.on('did-finish-load', () => {
+    win.webContents.send('config', { serverUrl: SERVER_URL, enrollToken: ENROLL_TOKEN });
+  });
+}
+
+// ---- Screen source for getDisplayMedia (Electron requires a handler) ----
+function registerDisplayMediaHandler() {
+  const { session } = require('electron');
+  session.defaultSession.setDisplayMediaRequestHandler((request, callback) => {
+    desktopCapturer.getSources({ types: ['screen'] }).then((sources) => {
+      // Default to the primary display; production would let the user pick.
+      callback({ video: sources[0], audio: 'loopback' });
+    });
+  }, { useSystemPicker: false });
+}
+
+// ---- IPC: renderer forwards remote input events here for OS injection ----
+ipcMain.on('inject-input', (_e, evt) => {
+  injector.inject(evt);
+});
+ipcMain.on('session-ended', () => {
+  injector.releaseAll();
+});
+ipcMain.handle('get-primary-size', () => {
+  const { size } = screen.getPrimaryDisplay();
+  return size;
+});
+
+app.whenReady().then(() => {
+  registerDisplayMediaHandler();
+  createWindow();
+  app.on('activate', () => {
+    if (BrowserWindow.getAllWindows().length === 0) createWindow();
+  });
+});
+
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') app.quit();
+});