CyTube/lib/web/auth.js
2013-12-27 11:08:03 -05:00

174 lines
4.4 KiB
JavaScript

/**
* web/auth.js - Webserver functions for user authentication and registration
*
* @author Calvin Montgomery <cyzon@cyzon.us>
*/
var jade = require('jade');
var fs = require('fs');
var path = require('path');
var webserver = require('./webserver');
var sendJade = require('./jade').sendJade;
var Logger = require('../logger');
var $util = require('../utilities');
var db = require('../database');
/**
* Processes a login request. Sets a cookie upon successful authentication
*/
function handleLogin(req, res) {
var name = req.body.name;
var password = req.body.password;
if (typeof name !== 'string' || typeof password !== 'string') {
res.send(400);
return;
}
password = password.substring(0, 100);
db.users.verifyLogin(name, password, function (err, user) {
if (err) {
if (err === 'Invalid username/password combination') {
Logger.syslog.log('Login failed (bad password): ' + name
+ '@' + webserver.ipForRequest(req));
}
sendJade(res, 'login', {
loggedIn: false,
loginError: err
});
} else {
res.cookie('auth', user.name + ':' + user.hash, {
expires: new Date(Date.now() + 60*60*1000),
httpOnly: true
});
sendJade(res, 'login', {
loggedIn: true,
loginName: user.name,
redirect: req.body.redirect || req.header('Referrer')
});
}
});
}
/**
* Handles a GET request for /login
*/
function handleLoginPage(req, res) {
if (req.cookies.auth) {
var split = req.cookies.auth.split(':');
if (split.length === 2) {
sendJade(res, 'login', {
wasAlreadyLoggedIn: true,
loggedIn: true,
loginName: split[0]
});
return;
}
}
sendJade(res, 'login', {
loggedIn: false,
redirect: req.header('Referrer')
});
}
/**
* Handles a request for /logout. Clears auth cookie
*/
function handleLogout(req, res) {
res.clearCookie('auth');
sendJade(res, 'logout', {
redirect: req.body.redirect || req.header('Referrer')
});
}
/**
* Handles a GET request for /register
*/
function handleRegisterPage(req, res) {
if (req.cookies.auth) {
var split = req.cookies.auth.split(':');
if (split.length === 2) {
sendJade(res, 'register', {
loggedIn: true,
loginName: split[0]
});
return;
}
}
sendJade(res, 'register', {
registered: false,
registerError: false
});
}
/**
* Processes a registration request.
*/
function handleRegister(req, res) {
var name = req.body.name;
var password = req.body.password;
var email = req.body.email;
if (typeof email !== 'string') {
email = '';
}
var ip = webserver.ipForRequest(req);
if (typeof name !== 'string' || typeof password !== 'string') {
res.send(400);
return;
}
if (name.length === 0) {
sendJade(res, 'register', {
registerError: 'Username must not be empty'
});
return;
}
if (password.length === 0) {
sendJade(res, 'register', {
registerError: 'Password must not be empty'
});
return;
}
password = password.substring(0, 100);
if (email.length > 0 && !$util.isValidEmail(email)) {
sendJade(res, 'register', {
registerError: 'Invalid email address'
});
return;
}
db.users.register(name, password, email, ip, function (err) {
if (err) {
sendJade(res, 'register', {
registerError: err
});
} else {
Logger.syslog.log(ip + ' registered account: ' + name +
(email.length > 0 ? ' <' + email + '>' : ''));
sendJade(res, 'register', {
registered: true,
registerName: name,
redirect: req.body.redirect
});
}
});
}
module.exports = {
/**
* Initializes auth callbacks
*/
init: function (app) {
app.get('/login', handleLoginPage);
app.post('/login', handleLogin);
app.get('/logout', handleLogout);
app.get('/register', handleRegisterPage);
app.post('/register', handleRegister);
}
};