forked from dsimmons/node-explorer
/
auth.js
84 lines (74 loc) · 2.24 KB
/
auth.js
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(function() {
exports.checkSession = function(req, res, next) {
if (req.session.user)
next();
else
res.redirect('/login');
}
exports.checkEnabled = function(req, res, next) {
if (req.session.user.isEnabled)
next();
else
res.redirect('/disabled');
}
exports.checkAdmin = function(req, res, next) {
if (req.session.user.isAdmin)
next();
else
res.redirect('/');
}
// If the user is registering for the first time, create a new user
// If the user already exists, update
exports.saveUser = function(req, user, fn) {
user.firstName = req.body.firstName;
user.lastName = req.body.lastName;
user.username = req.body.username;
user.password = crypto.createHmac('sha256', req.body.password).digest('hex');
user.email = req.body.email;
user.save(function(err) {
if (err)
return fn(new Error('[saveUser] Saving user ' + username + ' failed.'));
else
return fn(null, user);
});
}
exports.login = function(req, username, password, fn) {
this.retrieveUser(username, function(err, user) {
if (err || (!user))
return fn(new Error('[login] Retrieving ' + username + ' failed'));
else {
if (user.password === crypto.createHmac('sha256', password).digest('hex')) {
var remoteAddr = (app.isHTTPS)
? req.connection.socket.remoteAddress : req.connection.remoteAddress;
var newAddr = true;
user.loginCount++;
user.accessedDate = Date.now();
for (var i = 0; i < user.locations.length; i++) {
if (user.locations[i] === remoteAddr) {
newAddr = false;
break;
}
}
// Reasonable to assume that the most recent IP would be found at the front.
if (newAddr) user.locations.unshift(remoteAddr);
user.save(function(err) {
if (err) {
console.log(err);
return fn(new Error('[login] Couldnt update user with new stats!'));
} else
return fn(null, user);
});
} else
return fn(new Error('[login] Incorrect password for ' +username));
}
});
}
exports.retrieveUser = function(username, fn) {
User.findOne({ 'username': username }, function(err, user) {
if (err || (!user))
return fn(new Error('[retrieveUser] Unable to retrieve user!'));
else
return fn(null, user);
});
}
})();