passport authentication callback not calling passport middleware - json

Question

I am trying to test if a GET request to a specific route is protected by using JSON Web Tokens with passport JwtStrategy; however, it seems like the passport.use middleware function I have in my server.js file is not executing. The console.log I have in there never shows up in my shell/terminal. My login route works, but not the profile route. I am using postman and I entered http://localhost:3000/profile for the GET method and in the Headers tab I chose Authorization for Key and for the Value I copied and pasted the long JSON web token string, but it keeps saying unauthorized. That is because my passport.use function is never getting executed.
//Server.js file
var JwtStrategy = require("passport-jwt").Strategy;
var ExtractJwt = require("passport-jwt").ExtractJwt;
var User = require("../models/user");
var config = require('./secret');
app.use(passport.initialize());
app.use(passport.session());
let options = {};
//pass token back and forth
options.jwtFromRequest = ExtractJwt.fromAuthHeader();
options.secretOrKey = config;
passport.use(new JwtStrategy(options, (jwt_payload, done) => {
*******************************************
//this console log doesn't show up in shell which makes be believe its never getting here
*******************************************
console.log("JWT PAYLOAD", jwt_payload)
User.getUserById(jwt_payload._id, (err, user) => {
if(err){
return done(err, false);
}
if(user){ //null for error
return done(null, user);
}else{
return done(null, false);
}
});
}));
//Routes file where the passport.authenticate callback is called
var passport = require('passport');
var jwt = require('jsonwebtoken');
var secret = require('../config/secret')
var User = require('../models/user');
router.post('/login', (req, res) => {
var username = req.body.username;
var password = req.body.password;
console.log("SECRET2", secret);
console.log("SECRET", secret.secret);
User.getUserByUsername(username, (err, user) => {
if(err){
throw err;
}
if(!user){
return res.json({ success: false, msg: "User not found"});
}
User.comparePassword(password, user.password, (err, isMatch) => {
if(err){
throw err;
}
if(isMatch){
var token = jwt.sign(user, secret.secret, {
expiresIn: 604800 //1 week in seconds, token expires and requires to log back in
});
console.log('TOKEN IN LOGIN ROUTE', token)
res.json({
//tokens are then stored in local storage or cookie
success: true,
token: 'JWT ' + token,
user: {
id: user._id,
name: user.name,
username: user.username,
email: user.email
}
});
}else{
return res.json({ success: false, msg: "Incorrect password"});
}
});
});
});
router.get('/profile', passport.authenticate('jwt', {session:false}), (req, res) => {
res.json({user: req.user});
});
//User model
var mongoose = require('mongoose');
var bcrypt = require('bcryptjs');
var Schema = mongoose.Schema;
var UserSchema = new Schema({
name: {
type: String,
trim: true,
required: "First Name is Required"
},
email: {
type: String,
required: true
},
username: {
type: String,
required: true
},
password: {
type: String,
required: true
}
});
var User = mongoose.model("User", UserSchema);
module.exports = User;
//Alternate syntax for exporting Schema
// var User = module.exports = mongoose.model("User", UserSchema);
module.exports.getUserById = function(id, callback){
User.findById(id, callback);
}
module.exports.getUserByUsername = function(username, callback){
var query = { username: username }
User.findOne(query, callback);
}
//Custom User model function that will take in the newUser object and hash the password.
module.exports.addUser = function(newUser, callback){
bcrypt.genSalt(10, (err, salt) => {
bcrypt.hash(newUser.password, salt, (err, hash) => {
if(err){
throw err
}
newUser.password = hash;
newUser.save(callback);
});
});
}
module.exports.comparePassword = function(password, hash, callback){
bcrypt.compare(password, hash, (err, isMatch) => {
if(err){
throw err
}
callback(null, isMatch);
});
}
Update:
I tried putting a space after 'JWT' in for the value for Authorization in the postman, but it still does not work and the console log is not showing. Is it because I am somehow not exporting or linking the passport.use I have defined in my server.js to my GET '/profile' route in my routes file?
Update 2: Added model and Login route

Answer 1

Maybe it is necessary to include more code to see your issue, but it seems like the strategy is not being exported correctly. When you create a new strategy, you can include an 'alias' to use it in the entry point:
passport.use('local-login', new JwtStrategy(options, (jwt_payload, done) => {
....
}
router.get('/profile', passport.authenticate('local-login', {session:false}), (req, res) => {
res.json({user: req.user});
});