Signup

    app.route('/signup')

        .post(function (request,response) {

            var newUser = {

                mail            : request.body.email,
                password    : hashString(request.body.password)
            }


            usersCollection.insert(newUser, function (err,doc) {

                if (err) throw err;

                response.send(JSON.stringify(doc))
            })

        })


var hashString = function(string) {
    return crypto.createHash('sha256').update(string).digest('base64')
}