showing results for - "jwt in node js"
Hélène
24 Feb 2016
1$ npm install jsonwebtoken
Juan David
11 Mar 2016
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
Tomas
24 Oct 2016
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}
Emanuele
30 Feb 2018
1$ npm install jwt-simple
2
Alexis
04 May 2018
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
Florencia
13 Apr 2020
1jwt.sign({  expMath.floor(Date.now() / 1000) + (60 * 60),  data'foobar'}, 'secret');
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