Unable to get a token on a nodejs backend - node.js

Question

I used to get my signin token using this code:
1const { authSecret } = require('../.env');
2const jwt = require('jwt-simple');
3const bcrypt = require('bcrypt-nodejs');
4
5module.exports = app => {
6 const signin = async (req, res) => {
7 if (!req.body.email || !req.body.password) {
8 return res.status(400).send('Enter user and password ');
9 };
10
11 const user = await app.db('users')
12 .where({ email: req.body.email })
13 .first()
14
15 if (!user) return res.status(400).send('User not found!');
16
17 const isMatch = bcrypt.compareSync(req.body.password, user.password);
18 if (!isMatch) return res.status(401).send('Invalid email/password!');
19
20 const now = Math.floor(Date.now() / 1000);
21
22 const payload = {
23 id: user.id,
24 name: user.name,
25 email: user.email,
26 age: user.age,
27 city: user.city,
28 iat: now,
29 exp: now + (60 * 60 * 24 * 7)
30 };
31
32 res.json({
33 ...payload,
34 token: jwt.encode(payload, authSecret)
35 })
36 };
37
38 const validadeToken = async (req, res) => {
39 const userData = req.body || null;
40 try {
41 if (userData) {
42 const token = jwt.decode(userData.token, authSecret)
43 if(new Date(token.exp * 1000) > new Date()) {
44 req.send(true)
45 }
46 }
47 } catch (e) {
48 console.log('Inspired token');
49 };
50
51 res.send(false);
52 };
53
54 return { signin, validadeToken };
55}
56
But yesterday I tried to create a new node project with "bcrypt-nodejs": "^0.0.3" and "jwt-simple": "^0.5.6", but now I'm getting this error message when I try to login on my backend and getting the token that doesn't appear
ERROR MESSAGE:
(node:13188) UnhandledPromiseRejectionWarning: Error: Require key
at Object.jwt_encode [as encode] (F:\react_native\Expo\base\track-server\node_modules\jwt-simple\lib\jwt.js:123:11)
at signin (F:\react_native\Expo\base\track-server\api\auth.js:34:18)
at processTicksAndRejections (internal/process/task_queues.js:97:5)
(node:13188) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:13188) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Does anyone know what I shuld do to get this signin token?

Answer 1

It looks like your authSecret variable is undefined, thus resulting in the Error: Require key error when you try to use it as the key during the jwt.encode(payload, authSecret) call on line 34.
As you already appear to have a .env file, I would suggest using the dovenv module here https://www.npmjs.com/package/dotenv
So assuming your .env file is in the root directory of your project. Replace your destructured import const { authSecret } = require('../.env'); with
require('dotenv').config();
const authSecret = process.env.authSecret;
(obviously replacing authSecret with whatever the environment variable defined in your .env file is). Also just FYI it is convention to make environment variable upper case and separated by underscores. e.g. AUTH_SECRET