Files for Node.js Tutorial Part 3

addUser.js

/**********************
A simple script to add a new user
**********************/
// Includes
var crypto = require('crypto');

function hashString(value) {
  hash = crypto.createHash('sha1');
  hash.update(value);
  return hash.digest('hex');
}

// Database
var Database = require('./lib/Database');
var db = new Database();
db.connect('mongodb://localhost/mv');

if(process.argv.length == 4){
	// 0 will be node, 1 will be the script
	
	var au = db.model('adminUser');
	var usr = new au({login: process.argv[2], password: hashString(process.argv[3]) });
	usr.save(function(err){
		console.log("User added to database");
		process.exit(0); // Success
	});
	
}else{
	console.error("Script requires exactly 2 arguments");
	console.error("Usage: node addUser.js <email> <password>");
	process.exit(1); // Failure
}

admin.jade

h2 Admin

h3 You are logged in

AdminPages.js

// Includes
var crypto = require('crypto');

function hashString(value) {
  hash = crypto.createHash('sha1');
  hash.update(value);
  return hash.digest('hex');
}

var AdminPages = module.exports = function AdminPages(){};

AdminPages.prototype = {

	  db: null

	, initPages: function(app, db){
	
		this.db = db;
		var self = this;
		
		app.get ('/Admin/Login', function(req, res) { self.pageLogin(req, res); } );
		app.post('/Admin/Login', function(req, res) { self.pageLoginPost(req, res); }  );
		app.get ('/Admin/Logout', function(req, res) { self.pageLogout(req, res); }  );
		
		app.get ('/Admin', function(req, res) { self.pageIndex(req, res); } );
	}
	
	, _checkLogin: function(req, res){
		if(req.session && req.session.loggedIn === true)
			return true;

		res.redirect('/Admin/Login');
		return false;
	}
	
	, pageLogin: function(req, res){
		res.render('admin/login', {
			title: 'Login',
			showFullNav: false
		});
	} 
	
	, pageLoginPost: function(req, res){
		if(req.body && req.body.password && req.body.email){
			var adminuser = this.db.model('adminUser');
			adminuser.findOne(
				  {	  login: 		req.body.email 
					, password: 	hashString(req.body.password) }
				, function(err, row){
				
				if(err){
					res.render('admin/login', {
						title: 'Login',
						showFullNav: false,
						error_text: err
					});			
				}else{
					if(row){
						req.session.loggedIn = true; // register user is logged in
						res.redirect('/Admin')
					}else{
						res.render('admin/login', {
							title: 'Login',
							showFullNav: false,
							error_text: 'User not found, Please try again',
							email: req.body.email
						});	
					}
				}
			});
		}else{
			res.render('admin/login', {
				title: 'Login',
				showFullNav: false,
				error_text: 'Error processing login.'
			});	
		}
	}
	
	, pageIndex: function(req, res){
		if( !this._checkLogin(req, res) ) return;
		
		res.render('admin/index', {
			title: 'Admin Index',
			showFullNav: false
		});
	}
	
	, pageLogout: function(req, res){
		delete req.session.loggedIn;
		res.redirect('/Admin/Login');
	}
	
};

app.1.js

//...

// Database
var Database = require('./lib/Database');
var db = new Database();
db.connect('mongodb://localhost/mv');

//...

app.2.js

/**
 * Module dependencies.
 */
var express = require('express');
var app = module.exports = express.createServer(express.cookieParser()
												,express.session({ secret: "mv secret" }));

// ...

var admin_pages = require('./lib/AdminPages');
var ap = new admin_pages();
ap.initPages(app, db);

// ...

css.css

/* Content: Login Block */
.loginform{ margin: auto; width: 340px; border: 1px solid #BBB; background: #DDD; border-radius: 4px; padding: 0.1em 1em; }
.loginform h3{ padding: 0; margin: 0; }
.loginform input[type="text"], .loginform input[type="password"]{ width: 240px; font-size: 1.05em; }
.loginform button, .loginform input[type="button"], .loginform input[type="submit"]{ cursor: pointer; background: #777; border: none; border-radius: 20px; color: #ffffff; display: inline-block; font-size: 1em; font-weight: bold; letter-spacing: 1px; margin: 0.5em 0; padding: 7px 25px; text-transform: uppercase; }
.loginform > form > span{ display: inline-block; width: 90px; }

/* Content: Error Block */
div.error{ border: 1px solid #99432e; background: #99432e; padding: 0.45em 1em; margin: 0.5em 0; border-radius: 4px; color: white; }
div.error span{ padding: 0.3em 1em; }

database.js

var mongoose = require('mongoose');
var Schema = mongoose.Schema
  , ObjectId = Schema.ObjectId;

var Database = module.exports = function Database(){};

Database.prototype = {
	
	  _collections: {
	  	adminUser: {
			  login		: String
			, password	: String
		}
	}
	
	, _db: null
	, _schema: {}
	, _model: {}
	
	, connect: function(url){
		mongoose.connect(url);
		
		this._schema.adminUser = new Schema(this._collections.adminUser);
		this._model.adminUser = mongoose.model('adminUser', this._schema.adminUser);
		
	}
	
	, model: function(mod){	
		switch (mod){
			case 'adminUser':
				return this._model.adminUser;
		}
	}

};

index.jade

h2 Admin

h3 You are logged in

login.jade

h2 Admin - Login

div.loginform
	form(method="post")
		h3 Login
		
		- if(typeof(error_text) != 'undefined')
			div.error
				span=error_text
		
		span Login
		- if(typeof(email) != 'undefined')
			input(type="text", name="email", value=email)
		- else
			input(type="text", name="email")
		br
		span Password
		input(type="password", name="password")
		br
		span  
		input(type="submit", value="Login")

package.json

{
    "name": "mikevalstar.com website"
  , "version": "0.0.3"
  , "private": true
  , "dependencies": {
      "express": ">= 2.5.0"
    , "jade": ">= 0.0.1"
    , "markdown-js": ">= 0.0.1"
    , "mongoose": ">= 2.4.0"
  }
}