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NodeJS passport js

Example of LocalStrategy in passport.js


var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
passport.serializeUser(function(user, done) { //In serialize user you decide what to store in the
session. Here I'm storing the user id only.
 done(null, user.id);
});
passport.deserializeUser(function(id, done) { //Here you retrieve all the info of the user from the
session storage using the user id stored in the session earlier using serialize user.
 db.findById(id, function(err, user) {
 done(err, user);
 });
});
passport.use(new LocalStrategy(function(username, password, done) {
 db.findOne({'username':username},function(err,student){
 if(err)return done(err,{message:message});//wrong roll_number or password;
 var pass_retrieved = student.pass_word;
 bcrypt.compare(password, pass_retrieved, function(err3, correct) {
 if(err3){
 message = [{"msg": "Incorrect Password!"}];
 return done(null,false,{message:message}); // wrong password
 }
 if(correct){
 return done(null,student);
 }
 });
 });
}));
app.use(session({ secret: 'super secret' })); //to make passport remember the user on other pages
too.(Read about session store. I used express-sessions.)
app.use(passport.initialize());
app.use(passport.session());
app.post('/',passport.authenticate('local',{successRedirect:'/users' failureRedirect: '/'}),
 function(req,res,next){
});


Conclusion

In this page (written and validated by ) you learned about NodeJS passport js . What's Next? If you are interested in completing NodeJS tutorial, your next topic will be learning about: NodeJS Asynchronous programming.



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