passport_setup.js

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

let bcrypt = require("bcrypt");
let models = require("./models");

const validPassword = function(user, password) {
  return bcrypt.compareSync(password, user.password);
};

module.exports = function(passport) {
  passport.serializeUser(function(user, done) {
    done(null, user.id);
  });
  passport.deserializeUser(function(id, done) {
    models.User.findOne({
      where: {
        id: id
      }
    }).then(user => {
      if (user == null) {
        done(new Error("Wrong user id."));
      }
      done(null, user);
    });
  });
  passport.use(
    new LocalStrategy(
      {
        usernameField: "email",
        passwordField: "password",
        passReqToCallback: true
      },
      function(req, email, password, done) {
        return models.User.findOne({
          where: {
            email: email
          }
        })
          .then(user => {
            if (user == null) {
              req.flash("message", "Incorrect Credentials");
              return done(null, false);
            } else if (user.password == null || user.password == undefined) {
              req.flash("message", "You must reset your password");
              return done(null, false);
            } else if (!validPassword(user, password)) {
              req.flash("message", "Incorrect Credentials");
              return done(null, false);
            }
            return done(null, user);
          })
          .catch(error => {
            done(error, false);
          });
      }
    )
  );
};