login and home page

Sean/server.js

@@ -0,0 +1,80 @@
+const express = require('express');
+const session = require('express-session');
+const mysql = require('mysql');
+const bodyParser = require('body-parser');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+require('dotenv').config() 
+
+// MySQL setup (replace with your MySQL connection details)
+const mysqlConfig = {
+  host: process.env.host,
+  user: process.env.user,
+  password: process.env.password,
+  database: process.env.database,
+};
+
+const mysqlConnection = mysql.createConnection(mysqlConfig);
+
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use(session({ secret: 'your_session_secret', resave: false, saveUninitialized: true }));
+app.set('view engine', 'ejs');
+
+app.get('/login', (req, res) => {
+  res.render('login');
+});
+
+// Check if the user is authenticated before accessing certain routes
+function isAuthenticated(req, res, next) {
+  if (req.session && req.session.authenticated) {
+    return next();
+  } else {
+    res.redirect('/login');
+  }
+}
+
+// Login route
+app.post('/login', (req, res) => {
+  let { username, password } = req.body;
+
+  // Trim leading and trailing spaces from username
+  username = username.trim();
+
+  // Validate username and password against MySQL
+  const sql = 'SELECT * FROM users WHERE username = ? AND password = ?';
+  mysqlConnection.query(sql, [username, password], (error, results) => {
+    if (error) {
+      console.error('Error executing login query:', error);
+      res.status(500).send('Internal Server Error');
+      return;
+    }
+
+    console.log('SQL Query:', sql, [username, password]);
+    console.log('Query Results:', results);
+
+    if (results.length === 0) {
+      res.status(401).send('Invalid username or password');
+    } else {
+      // Set session data for authentication
+      req.session.authenticated = true;
+      req.session.username = username;
+
+      // Redirect to the home page or any other protected route
+      res.redirect('/home');
+    }
+  });
+});
+
+// Home route (protected by authentication)
+app.get('/home', isAuthenticated, (req, res) => {
+  res.render('home', { username: req.session.username });
+});
+
+app.use(express.static('views'));
+
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});
+
+