//authMiddleware.js const jwt = require('jsonwebtoken'); module.exports = function (req, res, next) { const token = req.header('Authorization')?.split(' ')[1]; if (!token) return res.status(401).send('Access Denied'); try { const verified = jwt.verify(token, process.env.JWT_SECRET); req.user = verified; next(); } catch (err) { res.status(400).send('Invalid Token'); } };