NYSm4gQt

1/// app.js //
2const express = require('express');
3const jwt = require('jsonwebtoken');
4const bcrypt = require('bcryptjs')
5
6const app = express();
7
8const mongoose = require('mongoose');
9const mongoDB = process.MONGO_DB_URI;
10mongoose.connect(mongoDB,
11    {
12        useNewUrlParser: true,
13        useUnifiedTopology: true
14    })
15    .catch(err =>{ console.log(`error connecting to mongoDB ${err}`) });
16
17const User = require('./models/User')
18
19app.post('/api/posts', verifyToken, (req, res) => {
20  jwt.verify(req.token, 'secretkey', (err, authData) => {
21    if(err) {
22      res.sendStatus(403);
23    } else {
24      res.json({
25        message: 'Post created...',
26        authData
27      });
28    }
29  });
30});
31
32app.post('/api/login', async(req, res) => {
33  // Mock user
34  const user = await User.findOne({ username: 'nice'})
35  bcrypt.compare('nice123', user.password, function(err, res){
36    if (err){ return next(err); }
37    if (res){
38      jwt.sign({user}, 'cat', { expiresIn: '30s' }, (err, token) => {
39        res.json({
40          token
41        });
42      });
43    }
44  })
45
46});
47
48// Verify Token
49function verifyToken(req, res, next) {
50  // Get auth header value
51  const bearerHeader = req.headers['authorization'];
52  // Check if bearer is undefined
53  if(typeof bearerHeader !== 'undefined') {
54    // Split at the space
55    const bearer = bearerHeader.split(' ');
56    // Get token from array
57    const bearerToken = bearer[1];
58    // Set the token
59    req.token = bearerToken;
60    // Next middleware
61    next();
62  } else {
63    // Forbidden
64    res.sendStatus(403);
65  }
66}
67
68app.listen(5000, () => console.log('Server started on port 5000'));
69
70
71
72// User Model //
73const mongoose = require('mongoose')
74
75const Schema = mongoose.Schema
76
77UserSchema = new Schema({
78    username: { type: String, maxLength: 70, required: true, unique: true},
79    password: { type: String, maxLength: 50, required: true},
80})
81
82module.exports = mongoose.model('User', UserSchema);