added data sharing between session and socket

backend/controllers/serverController.js

@@ -0,0 +1,23 @@
+const session = require("express-session");
+const CONNECTION_URI = require("../credentials.js");
+const MongoDBStore = require("connect-mongodb-session")(session);
+const store = new MongoDBStore({
+  uri: CONNECTION_URI,
+  collection: "sessions",
+});
+const sessionMiddleware = session({
+  secret: "lalala",
+  resave: true,
+  saveUninitialized: false,
+  store: store,
+  credentials: true,
+  cookie: {
+    httpOnly: false,
+    secure: false,
+  },
+});
+
+const wrap = (expressMiddleware) => (socket, next) =>
+  expressMiddleware(socket.request, {}, next);
+
+module.exports = { sessionMiddleware, wrap };