create-exam-project/templates/base/server/middleware/auth.js

Create exam projects with React + Express + PostgreSQL in seconds

const jwt = require('jsonwebtoken');
const { User } = require('../models');

const authMiddleware = async (req, res, next) => {
  try {
    const token = req.header('Authorization')?.replace('Bearer ', '');
    
    if (!token) {
      throw new Error();
    }

    const decoded = jwt.verify(token, process.env.JWT_SECRET);
    const user = await User.findOne({ where: { id: decoded.id } });

    if (!user) {
      throw new Error();
    }

    req.user = user;
    req.token = token;
    next();
  } catch (error) {
    res.status(401).json({ message: 'Пожалуйста, авторизуйтесь' });
  }
};

const adminMiddleware = async (req, res, next) => {
  if (req.user.role !== 'admin') {
    return res.status(403).json({ message: 'Доступ запрещен' });
  }
  next();
};

module.exports = { authMiddleware, adminMiddleware };