1 files changed, 101 insertions, 0 deletions
diff --git a/testing/xpcshell/node-ws/examples/express-session-parse/index.js b/testing/xpcshell/node-ws/examples/express-session-parse/index.js
new file mode 100644
index 0000000000..b62a2e4a5f
--- /dev/null
+++ b/testing/xpcshell/node-ws/examples/express-session-parse/index.js
@@ -0,0 +1,101 @@
+'use strict';
+
+const session = require('express-session');
+const express = require('express');
+const http = require('http');
+const uuid = require('uuid');
+
+const { WebSocketServer } = require('../..');
+
+const app = express();
+const map = new Map();
+
+//
+// We need the same instance of the session parser in express and
+// WebSocket server.
+//
+const sessionParser = session({
+  saveUninitialized: false,
+  secret: '$eCuRiTy',
+  resave: false
+});
+
+//
+// Serve static files from the 'public' folder.
+//
+app.use(express.static('public'));
+app.use(sessionParser);
+
+app.post('/login', function (req, res) {
+  //
+  // "Log in" user and set userId to session.
+  //
+  const id = uuid.v4();
+
+  console.log(`Updating session for user ${id}`);
+  req.session.userId = id;
+  res.send({ result: 'OK', message: 'Session updated' });
+});
+
+app.delete('/logout', function (request, response) {
+  const ws = map.get(request.session.userId);
+
+  console.log('Destroying session');
+  request.session.destroy(function () {
+    if (ws) ws.close();
+
+    response.send({ result: 'OK', message: 'Session destroyed' });
+  });
+});
+
+//
+// Create an HTTP server.
+//
+const server = http.createServer(app);
+
+//
+// Create a WebSocket server completely detached from the HTTP server.
+//
+const wss = new WebSocketServer({ clientTracking: false, noServer: true });
+
+server.on('upgrade', function (request, socket, head) {
+  console.log('Parsing session from request...');
+
+  sessionParser(request, {}, () => {
+    if (!request.session.userId) {
+      socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
+      socket.destroy();
+      return;
+    }
+
+    console.log('Session is parsed!');
+
+    wss.handleUpgrade(request, socket, head, function (ws) {
+      wss.emit('connection', ws, request);
+    });
+  });
+});
+
+wss.on('connection', function (ws, request) {
+  const userId = request.session.userId;
+
+  map.set(userId, ws);
+
+  ws.on('message', function (message) {
+    //
+    // Here we can now use session parameters.
+    //
+    console.log(`Received message ${message} from user ${userId}`);
+  });
+
+  ws.on('close', function () {
+    map.delete(userId);
+  });
+});
+
+//
+// Start the server.
+//
+server.listen(8080, function () {
+  console.log('Listening on http://localhost:8080');
+});