TypeError：无法读取未定义的属性'header'

Question

我正在使用JWT授权开发一个简单的API，并尝试制作一个验证中间件。显然，我在导出中间件功能时收到错误：

TypeError: Cannot read property 'headers' of undefined

middlewares / auth.js：

const jwt = require('jsonwebtoken');

module.exports = (req, res, next) => {
  const token = req.headers['authorization'];
  console.log('Authorization token => ', token);
  if (!token) {
    res.status(403).json({ message: 'Forbidden' });
  } else {
    const verified = jwt.verify(token, process.env.SECRET_KEY);
    req.verified = verified;
    next();
  }
};

routes / user.js：

const authMiddleware = require('../middlewares/auth');

router.use(authMiddleware());

Answer 1

代替req.headers['authorization']使用req.query['authorization']