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auth.js
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auth.js
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/**
* endpoint logic for existing users to login:
*/
const express = require('express');
const app = express();
const jwtSecret = process.env.JWT_SECRET; //This has to be the same key in passport.js JWTStrategy
const jwt = require('jsonwebtoken'),
passport = require('passport');
require('./passport'); //local passport file
/**
*
* @param {*} user
* @returns JWT token
*/
let generateJWTToken = (user) => {
return jwt.sign(user, jwtSecret, {
subject: user.Username, //Username encoding in the JWT
expiresIn: '7d',
algorithm: 'HS256'
});
}
/**
* POST login
* @param {*} router
*/
module.exports = (router) => {
router.post('/login', (req, res) => {
passport.authenticate('local', { session: false }, (error, user, info) => {
if (error || !user) {
return res.status(400).json({
message: 'Something is not right here.',
user: user
});
}
req.login(user, { session: false }, (error) => {
if (error) {
res.send(error);
}
let token = generateJWTToken(user.toJSON());
return res.json({ user, token }); //shorthand for res.json({ user: user, token: token })
});
}) (req, res);
});
}