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var passport = require('passport');
var dbFile = require("../node_simple.js");
var LocalStrategy = require('passport-local').Strategy;
var FacebookStrategy = require('passport-facebook').Strategy;
var bcrypt = require('bcrypt-nodejs');
var configAuth = require('./auth');
var exports = module.exports = {};
/**
* Encrypts password and returns hashed password.
*
* @param password - the password to be encrypted
* @type {exports.encryptPassword}
*/
var encryptPassword = exports.encryptPassword = function (password) {
return bcrypt.hashSync(password, bcrypt.genSaltSync(5), null);
};
/**
* Compares the hashed and unhashed password, and checks if one corresponds to the other.
*
* @param password1
* @param password2
* @returns {*}
*/
var comparePassword = function (password1, password2) {
return bcrypt.compareSync(password1, password2);
};
/**
* Serializes user instance to the session.
*/
passport.serializeUser(function (user, done) {
done(null, user);
});
/**
* Deserializes user instance from the session.
*/
passport.deserializeUser(function(user, done) {
done(null, user);
});
/**
* Configures the Local strategy to authenticate signup request.
*/
passport.use('local_signup', new LocalStrategy({
usernameField: 'email',
passwordField: 'password',
passReqToCallback: true
}, function(req, email, password, done){
var hash_pass = encryptPassword(password);
var fields = [email, req.body.usrname, req.body.fname, req.body.lname, req.body.univ, req.body.dept, hash_pass,
req.body.phone_num];
dbFile.add_user(fields, function (success, error, message) {
if (!success && error) {
return done(null, false, {message:message}); // Review later, need to pass errors
}
else if (!success && !error) {
return done(null, false, {message: message});
}
else {
var user_data = {
email: fields[0],
user_name: fields[1],
f_name: fields[2],
l_name: fields[3],
university: fields[4],
department: fields[5],
answered: 0,
messages: 0,
comments: 0,
phone_num: fields[7],
followers: []
};
return done(null, user_data);
}
});
}));
/**
* Configures the Local strategy to authenticate the signin request.
*/
passport.use('local_signin', new LocalStrategy({
usernameField: 'usrname',
passwordField: 'password',
passReqToCallback: true
}, function (req, usrname, password, done) {
dbFile.retrieveUser(usrname, function (success, error, user, message) {
if (!success && error) {
return done(message);
}
else if (!success && !error) { // Username is undefined
//return done(null, false, {message: message});
// ADMIN
dbFile.adminExists(usrname, function (error, exists, data, message) {
if (error) {
return done(message);
} else if (!error && !exists){
return done(null, false, {message: 'Username does not exist.'});
} else {
if (comparePassword(password, data.password)) {
return done(null, data);
} else {
return done(null, false, {message: 'Password incorrect.'});
}
}
});
}
else {
dbFile.retrievePassword(usrname, function(success, hash_pwd, message) {
if (!success) {
return done(message);
} else {
if (comparePassword(password, hash_pwd)) {
return done(null, user);
} else {
return done(null, false, {message: 'Password incorrect.'});
}
}
});
}
});
}));
/**
* Configures the Facebook strategy to authenticate signin as well as signup request.
*/
passport.use(new FacebookStrategy({
clientID: configAuth.facebookAuth.clientID,
clientSecret: configAuth.facebookAuth.clientSecret,
callbackURL: configAuth.facebookAuth.callbackURL,
passReqToCallback: true
},
function(req, accessToken, refreshToken, profile, done) {
dbFile.userVerifiedBefore(req.user.user_name, function(err, data) {
if (err) {
return done(err);
} else if (data.length) {
if (data[0].facebookID == profile.id) {
var user = req.user;
user.login_info = data[0];
return done(null, user);
} else {
return done(null, false, {message: "The verification account doesn't match."});
}
} else {
var verification = {
username : req.user.user_name,
facebookID : profile.id,
facebookToken : accessToken
}
dbFile.addVerification(verification, function (err) {
if (err) {
return done(err);
} else {
var user = req.user;
user.login_info = verification;
return done(null, user);
}
});
}
});
}
));
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