@inspire-platform/sails-hook-auth
Version:
Passport-based User Authentication system for sails.js applications.
273 lines (232 loc) • 7.37 kB
JavaScript
var crypto = require('crypto');
var base64URL = require('base64url');
var SAError = require('../../../lib/error/SAError.js');
/**
* Local Authentication Protocol
*
* The most widely used way for websites to authenticate users is via a username
* and/or email as well as a password. This module provides functions both for
* registering entirely new users, assigning passwords to already registered
* users and validating login requesting.
*
* For more information on local authentication in Passport.js, check out:
* http://passportjs.org/guide/username-password/
*/
/**
* @param {Object} req
* @param {Object} res
* @param {Function} next
*/
exports.register = function (user, next) {
exports.createUser(user, next);
};
exports.update = function (user, next) {
exports.updateUser(user, next);
};
/**
* Register a new user
*
* This method creates a new user from a specified email, username and password
* and assign the newly created user a local Passport.
*
* @param {String} username
* @param {String} email
* @param {String} password
* @param {Function} next
*/
exports.createUser = function (_user, next) {
var accessToken = generateToken();
var password = _user.password;
delete _user.password;
Passport
.checkPasswordStrength(password, _user)
.then(() => {
return sails.models.user.create(_user, function (err, user) {
if (err) {
sails.log(err);
if (err.code === 'E_VALIDATION') {
return next(new SAError({originalError: err}));
}
return next(err);
}
sails.models.passport.create({
protocol : 'local'
, password : password
, user : user.id
, accessToken: accessToken
}, function (err) {
if (err) {
if (err.code === 'E_VALIDATION') {
err = new SAError({originalError: err});
}
return User.destroy(
{id: user.id},
function (destroyErr) {
next(destroyErr || err);
}
);
}
next(null, user);
});
}, {fetch: true});
})
.catch(next);
};
/**
* Update an user
*
* This method updates an user based on its id,
* and updates the password in local Passport (if provided).
*
* @param {Object} _user
* @param {Function} next
*/
exports.updateUser = function (_user, next) {
var password = _user.password;
delete _user.password;
if (true === _user.hasOwnProperty('id')) {
var userFinder = {id: _user.id};
} else {
return next(new Error('A user id is required to update.'));
}
return sails.models.user.update(userFinder, _user, function (err, user) {
if (err) {
sails.log(err);
if (err.code === 'E_VALIDATION') {
return next(new SAError({ originalError: err }));
}
return next(err);
}
// Update retrieves an array
user = user[0];
// Check if password has a string to replace it
if (!!password) {
Passport
.checkPasswordStrength(password, user)
.then(() => {
sails.models.passport.findOne({
protocol : 'local'
,user:user.id
}, function(err, passport){
Passport
.update({id: passport.id}, {password: password})
.exec(function (err) {
if (err) {
if (err.code === 'E_VALIDATION') {
err = new SAError({ originalError: err });
}
next(err);
}
next(null, user);
})
});
})
.catch(next);
} else {
next(null, user);
}
}, {fetch: true});
};
/**
* Assign local Passport to user
*
* This function can be used to assign a local Passport to a user who doens't
* have one already. This would be the case if the user registered using a
* third-party service and therefore never set a password.
*
* @param {Object} req
* @param {Object} res
* @param {Function} next
*/
exports.connect = function (req, res, next) {
var user = req.user
, password = req.param('password')
, Passport = sails.models.passport;
Passport.findOne({
protocol : 'local'
, user : user.id
}, function (err, passport) {
if (err) {
return next(err);
}
if (!passport) {
Passport
.checkPasswordStrength(password, user)
.then(() => {
Passport.create({
protocol: 'local'
, password: password
, user: user.id
}, function (err) {
next(err, user);
});
})
.catch(next);
} else {
next(null, user);
}
});
};
/**
* Validate a login request
*
* Looks up a user using the supplied identifier (email or username) and then
* attempts to find a local Passport associated with the user. If a Passport is
* found, its password is checked against the password supplied in the form.
*
* @param {Object} req
* @param {string} identifier
* @param {string} password
* @param {Function} next
*/
exports.login = function (req, identifier, password, next) {
var isEmail = validateEmail(identifier)
, query = {};
if (isEmail) {
query.email = identifier;
}
else {
query.username = identifier;
}
sails.services.authservice.findUser(query, function (err, user) {
if (err) {
return next(err);
}
if (!user) {
return next(null, false);
}
sails.models.passport.findOne({
protocol : 'local'
, user : user.id
}, function (err, passport) {
if (passport) {
Passport.validatePassword(passport, password, function (err, res) {
if (err) {
return next(err);
}
if (!res) {
return next(null, false);
} else {
return next(null, user, passport);
}
});
}
else {
return next(null, false);
}
});
});
};
var EMAIL_REGEX = /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i;
/**
* Use validator module isEmail function
*
* @see <https://github.com/chriso/validator.js/blob/3.18.0/validator.js#L38>
* @see <https://github.com/chriso/validator.js/blob/3.18.0/validator.js#L141-L143>
*/
function validateEmail (str) {
return EMAIL_REGEX.test(str);
}
function generateToken() {
return base64URL(crypto.randomBytes(48));
}