CODEWITHSUNDEEP
node.jsexpressmongoosepassport.jspassport-local
vlad mehera
vlad mehera

Reputation: 59

How to use passport with jwt

I'm try to use passport with express, mongoose and jsonwebtoken, but got no response, when calling to /api. Please say what I'm missing.

index.js:

get passport and local strategy dependencies:

var passport = require("passport"),
    LocalStrategy = require("passport-local").Strategy;

configure passport: 

app.use(passport.initialize());
passport.use(new LocalStrategy({
  usernameField: "email"
},
  function (username, password, done) {
    User.findOne({email: username}, function (err, user) {
      if (err) return done(err);
      if (!user) {
        return done(null, false, {message: "User doesnt exist"});
      }
      if (!user.comparePassword(password)) {
        return done(null, false, {message: "Wrong password!"});
      }
      return done(null, user);
    });
  })
);

and routes: 

app.use("/api/login", require("./controllers/login"));

in my ./controllers/login.js: 

function loginHandler(req, res, next) {
  passport.authenticate("local", function(err, user, info) {
    if (err) return next(err);
    ...
    var token = jwt.sign({name: user.email}, req.app.get("superSecret"),{expiresIn: 60000});    
    return res.json({token: token});
  });
}

Upvotes: 0

Views: 282

Answers (1)

sg.cc
sg.cc

Reputation: 1826

So this is quite a bit late, but I just spent two days struggling with this issue. The problem is very simple and not at all obvious:

function loginHandler(req, res, next) {
  passport.authenticate("local", function(err, user, info) {
    if (err) return next(err);
    ...
    var token = jwt.sign({name: user.email}, req.app.get("superSecret"),{expiresIn: 60000});    
    return res.json({token: token});
  })(req, res, next);
}

Note the (req, res, next) added to the end of the passport call. This is necessary. Without this, the authenticate function will not run.

Upvotes: 1

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