nodejs jwt

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showing results for - "nodejs jwt"

04 Feb 2019

1var jwt = require("jsonwebtoken");
2const config = require("config"); // store jwt token seret in it.....
3const { check, validationResult } = require("express-validator"); //validater fields 
4
5module.exports = (req, res, next) => {
6  //Get Token from header
7
8  const token = req.header("x-auth-token");
9
10  //Check if not token
11
12  if (!token) {
13    return res.status(401).json({ msg: "No token ,authorized" });
14  }
15
16  //Verify Token
17  try {
18    const decoded = jwt.verify(token, config.get("jwtToken"));
19    req.user = decoded.user;
20    console.log(req.user);
21    next();
22  } catch (error) {
23    res.status(401).json({ msg: "Token is not valid" });
24  }
25};
26
27
28//Controller------
29
30module.exports.Login = async (req, res) => {
31    const errors = validationResult(req);
32    if (!errors.isEmpty()) {
33        return res.status(400).json({ errors: errors.array() });
34    }
35    const { Email, Phone_No, Password } = req.body;
36    try {
37        //See if user exists
38        let user = await User.findOne({Emai});
39
40        if (!user) {
41            res.status(400).json({ msg: "Invalid Credentials !" });
42        }
43
44        //Match password
45        const isMatch = await bcrypt.compare(Password, user.Password);
46
47        if (!isMatch) {
48            res.status(400).json({ msg: "Invalid Password !" });
49        }
50        //Jwt Token
51        const payload = {
52            user: {
53                id: user.id,
54            },
55        };
56        jwt.sign(
57            payload,
58            config.get("jwtToken"), { expiresIn: 360000 },
59            (err, token) => {
60                if (err) throw err;
61                res.json({ msg: "Login success", token });
62            }
63        );
64    } catch (err) {
65        console.error(err.message);
66        res.status(500).send("server error");
67    }
68};
69
70//reactjs side
71
72import axios from "axios";
73import JwtDecode from "jwt-decode";
74const setAuthToken = () => {
75  const token = window.localStorage.getItem("token");
76  console.log("Token get", token);
77  if (token) {
78    // Apply authorization token to every request if logged in
79    axios.defaults.headers.common["x-auth-token"] = token;
80  } else {
81    // Delete auth header
82    delete axios.defaults.headers.common["x-auth-token"];
83  }
84};
85
86export default setAuthToken;
87
88
89export function getDetails (token){
90  try{
91   return   JwtDecode(token);
92  }catch(e){
93    console.error(e);
94  }
95}
96

source

Alberto

02 Aug 2020

1// index.js 
2
3const express = require('express');
4const jwt = require('jsonwebtoken');
5
6const app = express();
7
8// generate token for another API to use in req.header
9app.post('/login', (req, res) => {
10    const user = {
11        id: 1,
12        username: 'abhishek',
13        email: "abhishek@gmail.com"
14    }
15    let token = jwt.sign({ user: user }, 'shhhhh');
16    res.send(token);
17})
18
19// verifyToken is a function that is used for check in API that token exist or not
20// it can be put in between n number of API to check that authoriZed user loggedin or not.
21app.get('/api', verifyToken, (req, res) => {
22    try {
23        jwt.verify(req.token, 'shhhhh', (error, authData) => {
24            if (error) {
25                res.send("not logged in")
26            }
27            res.json({
28                message: "post Created",
29                authData
30            })
31        })
32    } catch (error) {
33        res.send(error)
34    }
35})
36
37// This funtion is middleware. 
38function verifyToken(req, res, next) {
39    try {
40        const bearerHeader = req.headers['authorization'];
41        if (typeof bearerHeader !== 'undefined') {
42            const bearerToken = bearerHeader.split(' ')[1];
43            req.token = bearerToken;
44            next();
45        }
46        else {
47            res.send("Not logged-in")
48        }
49    }
50    catch {
51        res.send("something went wrong")
52    }
53}
54
55app.listen(3000, () => {
56    console.log("server is runing")
57})
58

source

Holly

15 Feb 2020

1$ npm install jsonwebtoken

Valery

25 Jan 2019

1const jwt = require("jsonwebtoken")
2
3const jwtKey = "my_secret_key"
4const jwtExpirySeconds = 300
5
6const users = {
7	user1: "password1",
8	user2: "password2",
9}
10
11const signIn = (req, res) => {
12	// Get credentials from JSON body
13	const { username, password } = req.body
14	if (!username || !password || users[username] !== password) {
15		// return 401 error is username or password doesn't exist, or if password does
16		// not match the password in our records
17		return res.status(401).end()
18	}
19
20	// Create a new token with the username in the payload
21	// and which expires 300 seconds after issue
22	const token = jwt.sign({ username }, jwtKey, {
23		algorithm: "HS256",
24		expiresIn: jwtExpirySeconds,
25	})
26	console.log("token:", token)
27
28	// set the cookie as the token string, with a similar max age as the token
29	// here, the max age is in milliseconds, so we multiply by 1000
30	res.cookie("token", token, { maxAge: jwtExpirySeconds * 1000 })
31	res.end()
32}

Johanna

02 Jul 2017

1// JWT MIDDLEWARE
2const jwt = require('jsonwebtoken')
3const httpError = require('http-errors')
4
5module.exports = (req, res, next) => {
6  try {
7    const tokenHeader = req.headers.authorization.split('Bearer ')[1]
8    const decoded = jwt.verify(tokenHeader, process.env.ACCESS_TOKEN_SECRET)
9    req.user = decoded
10    next()
11  } catch (err) {
12    next(httpError(401))
13  }
14}
15
16// ROUTE LOGIN
17app.get('/protect', authJwt, (req, res) => {
18  console.log(req.user)
19  res.send('aim in proteced route')
20})
21
22app.post('/login', (req, res) => {
23  const bodyPayload = {
24    id: Date.now(),
25    username: req.body.username
26  }
27  const token = signAccessToken(res, bodyPayload)
28  return res.status(200).json(token)
29})
30
31app.post('/refresh-token', (req, res) => {
32  const refreshToken = signRefreshToken(req)
33  res.status(200).json(refreshToken)
34  res.end()
35})
36
37// JWT HELPER
38const jwt = require('jsonwebtoken')
39const httpError = require('http-errors')
40
41exports.signAccessToken = (res, payload) => {
42  try {
43    if (payload) {
44      const accessToken = jwt.sign({ ...payload }, process.env.ACCESS_TOKEN_SECRET, { expiresIn: '1m' })
45      const refreshToken = jwt.sign({ ...payload }, process.env.REFRESH_TOKEN_SECRET, { expiresIn: '90d' })
46      res.cookie('refreshToken', `${refreshToken}`, { expired: 86400 * 90 })
47      return { accessToken, refreshToken }
48    }
49  } catch (err) {
50    return httpError(500, err)
51  }
52}
53
54exports.signRefreshToken = (req) => {
55  try {
56    const getToken = req.cookies.refreshToken
57    if (getToken) {
58      const { id, username } = jwt.verify(getToken, process.env.REFRESH_TOKEN_SECRET)
59      const accesssToken = jwt.sign({ id, username }, process.env.ACCESS_TOKEN_SECRET, { expiresIn: '1m' })
60      return { accesssToken }
61    }
62  } catch (err) {
63    return httpError(401, err)
64  }
65}
66

Eden

27 Jan 2020

1var jwt = require("jsonwebtoken");
2const config = require("config"); // store jwt token seret in it.....
3const { check, validationResult } = require("express-validator"); //validater fields 
4
5module.exports = (req, res, next) => {
6  //Get Token from header
7
8  const token = req.header("x-auth-token");
9
10  //Check if not token
11
12  if (!token) {
13    return res.status(401).json({ msg: "No token ,authorized" });
14  }
15
16  //Verify Token
17  try {
18    const decoded = jwt.verify(token, config.get("jwtToken"));
19    req.user = decoded.user;
20    console.log(req.user);
21    next();
22  } catch (error) {
23    res.status(401).json({ msg: "Token is not valid" });
24  }
25};
26
27
28//Controller------
29
30module.exports.Login = async (req, res) => {
31    const errors = validationResult(req);
32    if (!errors.isEmpty()) {
33        return res.status(400).json({ errors: errors.array() });
34    }
35    const { Email, Phone_No, Password } = req.body;
36    try {
37        //See if user exists
38        let user = await User.findOne({Emai});
39
40        if (!user) {
41            res.status(400).json({ msg: "Invalid Credentials !" });
42        }
43
44        //Match password
45        const isMatch = await bcrypt.compare(Password, user.Password);
46
47        if (!isMatch) {
48            res.status(400).json({ msg: "Invalid Password !" });
49        }
50        //Jwt Token
51        const payload = {
52            user: {
53                id: user.id,
54            },
55        };
56        jwt.sign(
57            payload,
58            config.get("jwtToken"), { expiresIn: 360000 },
59            (err, token) => {
60                if (err) throw err;
61                res.json({ msg: "Login success", token });
62            }
63        );
64    } catch (err) {
65        console.error(err.message);
66        res.status(500).send("server error");
67    }
68};
69

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