material-framework/lib/controllers/auth/decode.js

const JWT = require('jsonwebtoken')
const config = require('../../../config')
const decode = async (req, res, next) => {
  const r = /^Bearer (.*)$/.exec(req.headers['authentication'])
  if (r) {
    const token = r[1]
    try {
      const decoded = await JWT.verify(token, config.auth.jwtSecret)
      req.user = decoded.user
      next()
    } catch (err) {
      res.setHeader('X-JWT-Error', err.message || err.toString())
      next()
    }
  } else {
    next()
  }
}

module.exports = decode