read vnc password and port from user home instead of env vars

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/servers/api/desktop/rest.ts

@@ -1,9 +1,11 @@
 import { createRouter } from '../../create-router';
+import { getVncPassword } from './vnc-config';
 
 export const desktopRouter = createRouter();
 
-desktopRouter.get('/vnc-password', (ctx) => {
-  const password = process.env.VNC_PASSWORD;
+desktopRouter.get('/vnc-password', async (ctx) => {
+  const user = ctx.get('user');
+  const password = await getVncPassword(user.email, user.role);
   if (!password) {
     return ctx.json({ error: 'VNC password not configured' }, 500);
   }

src/servers/api/desktop/vnc-config.ts

@@ -0,0 +1,22 @@
+import { join } from 'node:path';
+import { getHomeDir } from '@@/data-path';
+
+function getVncDir(email: string, role: string | null): string {
+  const home = role === 'Super Admin' && process.env.HOME_DIR
+    ? process.env.HOME_DIR
+    : getHomeDir(email);
+  return join(home, '.vnc');
+}
+
+export async function getVncPassword(email: string, role: string | null): Promise<string | null> {
+  const file = Bun.file(join(getVncDir(email, role), 'password'));
+  if (!(await file.exists())) return null;
+  return (await file.text()).trim();
+}
+
+export async function getVncPort(email: string, role: string | null): Promise<number> {
+  const file = Bun.file(join(getVncDir(email, role), 'port'));
+  if (!(await file.exists())) return 5901;
+  const port = parseInt((await file.text()).trim(), 10);
+  return isNaN(port) ? 5901 : port;
+}

src/servers/api/desktop/websocket.ts

@@ -1,5 +1,6 @@
 import type { ServerWebSocket } from 'bun';
 import type { Socket } from 'bun';
+import { getVncPort } from './vnc-config';
 
 type WSData = { userId: number; email: string; username: string; role: string; sandboxed: boolean; sessionId?: string };
 
@@ -8,8 +9,6 @@ type VncSession = {
   pendingMessages: Buffer[];
 };
 
-const VNC_PORT = Number(process.env.VNC_PORT || 5901);
-
 const sessions = new Map<ServerWebSocket<WSData>, VncSession>();
 
 export const desktopWebsocket = {
@@ -19,13 +18,14 @@ export const desktopWebsocket = {
       return;
     }
 
+    const port = await getVncPort(ws.data.email, ws.data.role);
     const session: VncSession = { tcpSocket: null, pendingMessages: [] };
     sessions.set(ws, session);
 
     try {
       const tcpSocket = await Bun.connect({
         hostname: '127.0.0.1',
-        port: VNC_PORT,
+        port,
         socket: {
           data(_socket, data) {
             try {