Node Cookbook Second Edition电子书

Node Cookbook Second Edition

Table of Contents

Node Cookbook Second Edition

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers and more

Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Making a Web Server

Introduction

Setting up a router

Getting ready

How to do it...

How it works...

There's more...

Simple multilevel routing

Parsing the querystring module

The routing modules

See also

Serving static files

Getting ready

How to do it...

How it works...

There's more...

The favicon gotcha

See also

Caching content in memory for immediate delivery

Getting ready

How to do it...

How it works...

There's more...

Reflecting content changes

See also

Optimizing performance with streaming

Getting ready

How to do it...

How it works...

There's more...

Protecting against process memory overruns

See also

Securing against filesystem hacking exploits

Getting ready

How to do it...

How it works...

There's more...

Whitelisting

Node static

See also

2. Exploring the HTTP Object

Introduction

Processing POST data

Getting ready

How to do it...

How it works...

There's more...

Accessing POST data with connect and body-parser

See also

Handling file uploads

Getting ready

How to do it...

How it works...

There's more...

Using formidable to accept all POST data

Preserving filenames with formidable

Uploading files via PUT

See also

Using Node as an HTTP client

Getting ready

How to do it...

How it works...

There's more...

Sending POST requests

Multipart file upload as a client

See also

Implementing download throttling

Getting ready

How to do it...

How it works...

There's more...

Enabling a resume request from broken downloads

See also

3. Working with Data Serialization

Introduction

Converting an object to JSON and back

Getting ready

How to do it…

How it works…

There's more…

Constructing JSONP responses

Security and JSONP

See also

Converting an object to XML and back

Getting ready

How to do it…

How it works…

There's more…

Generating XML attributes and text nodes

Partial application

See also

Browser-server transmission via AJAX

Getting ready

How to do it…

How it works…

There's more…

Sending serialized data from the client to the server

See also

Working with real data – fetching trending tweets

Getting ready

How to do it…

How it works…

There's more…

Cross referencing Google Hot Trends with Twitter tweets

See also

4. Interfacing with Databases

Introduction

Writing to a CSV file

Getting ready

How to do it…

How it works…

There's more…

Customizing the CSV elements

Reading a CSV file

Manipulating the CSV data stream

See also

Connecting and sending SQL to a MySQL server

Getting ready

How to do it…

How it works…

There's more…

Using and cleaning user input

Receiving results from the MySQL server

See also

Storing and retrieving data with MongoDB

Getting ready

How to do it…

How it works…

There's more…

Indexing and aggregation

Updating modifiers, sort, and limit

MongoDB without MongoDB

See also

Storing data to CouchDB with Cradle

Getting ready

How to do it…

How it works…

There's more…

Scaling CouchDB with BigCouch

See also

Retrieving data from CouchDB with Cradle

Getting ready

How to do it…

How it works…

There's more…

Creating an admin user

Locking all modifying operations to an admin user

Exposing the CouchDB HTTP interface to remote connections

See also

Accessing the CouchDB changes stream with Cradle

Getting ready

How to do it…

How it works…

See also

Storing and retrieving data with Redis

Getting ready

How to do it…

How it works…

There's more…

Speeding up the Node Redis module

Overcoming network latency by pipelining commands

See also

Implementing PubSub with Redis

Getting ready

How to do it…

How it works…

There's more…

Redis authentication

Securing Redis from external connections

See also

5. Employing Streams

Introduction

Consuming streams

Getting ready

How to do it…

How it works…

There's more…

Using read's size argument

Consuming via the data event

See also

Playing with pipes

Getting ready

How to do it…

How it works…

There's more…

Chaining and filtering streams

Preparing for greater complexity

See also

Making stream interfaces

Getting ready

How to do it…

How it works…

There's more…

Making reusable streams

Transform streams

See also

Streaming across Node processes

Getting ready

How to do it…

How it works…

There's more…

Processing stream chunk buffers efficiently

Streaming over TCP

See also

6. Going Real Time

Introduction

Creating a WebSocket server

Getting ready

How to do it...

How it works...

There's more...

Creating a Node-based WebSocket client

WebSocket streams

See also

Cross-browser real-time logic with Socket.IO

Getting ready

How to do it...

How it works...

There's more...

Custom events

See also

Remote Procedure Calls with Socket.IO

Getting ready

How to do it...

How it works...

There's more...

Remote Procedure Calls with SockJS

See also

Creating a real-time widget

Getting ready

How to do it...

How it works...

There's more...

Preparing for scalability

WebSockets as a development tool

See also

7. Accelerating Development with Express

Introduction

Generating Express scaffolding

Getting ready

How to do it...

How it works...

There's more...

Picking apart app.js

The initialization process

Looking into routes/index.js

See also

Managing server tier environments

Getting ready

How to do it...

How it works...

There's more...

Setting other environments

Changing NODE_ENV permanently

See also

Implementing dynamic routing

Getting ready

How to do it...

How it works...

There's more...

Route validation

Optional routes

Asterisks wildcards

See also

Templating in Express

Getting ready

How to do it...

How it works...

There's more...

Using other template engines

EJS templates

Literal JavaScript in Jade

Jade includes

Using layout.jade

See also

CSS preprocessors with Express

Getting ready

How to do it...

How it works...

There's more...

Nested mixins and rest parameters

Playing with colors

Using LESS

See also

Initializing and using a session

Getting ready

How to do it...

How it works...

There's more...

Custom middleware for site-wide session management

Flash messages

See also

Making an Express web app

Getting ready

How to do it...

Creating a database bridge

Configuring app.js files

Modifying the profiler app

Modifying the mounted login app

How it works...

Understanding app mounting

Data flow

Route handling

Views

Mixins

Locals

Styles

User flow

There's more...

Benchmarking

See also

8. Implementing Security, Encryption, and Authentication

Introduction

Implementing Basic Authentication

Getting ready

How to do it...

How it works...

There's more...

Basic Authentication with Express

See also

Hashing passwords

Getting ready

How to do it...

How it works...

There's more...

Making unique hashes with HMAC

Hardened hashing with PBKDF2

See also

Implementing Digest Authentication

Getting ready

How to do it...

How it works...

There's more...

Logging out of authenticated areas

See also

Setting up an HTTPS web server

Getting ready

How to do it...

How it works...

There's more...

HTTPS in Express

Securing Basic Authentication with SSL/TLS

See also

Preventing cross-site request forgery

Getting ready

How to do it...

How it works...

There's more...

Auto-securing the POST forms with the CSRF elements

Eliminating cross-site scripting (XSS) vulnerabilities

See also

9. Integrating Network Paradigms

Introduction

Sending an e-mail

Getting ready

How to do it...

How it works...

There's more...

Using sendmail as an alternative transport

Creating HTML e-mails

Sending attachments

See also

Sending an SMS

Getting ready

How to do it...

How it works...

There's more...

Making an automated phone call

See also

Communicating with TCP

Getting ready

How to do it...

How it works...

There's more...

Port forwarding

Using pcap to watch TCP traffic

See also

Creating an SMTP server

Getting ready

How to do it...

How it works...

There's more...

Receiving e-mails from external SMTP servers

See also

Implementing a virtual hosting paradigm

Getting ready

How to do it...

How it works...

There's more...

Virtual hosting Express apps

Server Name Indication (SNI)

See also

10. Writing Your Own Node Modules

Introduction

Creating a test-driven module specification

Getting ready

How to do it…

How it works…

There's more…

Unit tests with should.js

See also

Writing a functional module mock-up

Getting ready

How to do it…

How it works…

There's more…

Writing a module use case example

See also

Refactoring with prototypical inheritance

Getting ready

How to do it…

How it works…

There's more…

Adding the stat function to the initialized mp3dat object

Allowing multiple instances

See also

Extending a module's API

Getting ready

How to do it…

How it works…

There's more…

Creating the STDIN stream example

Creating the PUT upload stream example

Merging stat and statStream

Integrating the EventEmitter

See also

Deploying a module to npm

Getting ready

How to do it…

How it works…

There's more…

npm link

.npmignore and npm versions

See also

11. Taking It Live

Introduction

Deploying an app to a server environment

Getting ready

How to do it...

How it works...

There's more...

Using screen instead of nohup

Using authbind for privileged ports

Hosting multiple processes from port 80

See also

Automatic crash recovery

Getting ready

How to do it...

How it works...

There's more...

Detecting a respawn limit violation

Staying up with forever

See also

Continuous deployment

Getting ready

How to do it...

How it works...

There's more...

Building module dependencies on update

Writing a Node Git hook for integrated testing

See also

Hosting with a Platform as a Service provider

Getting ready

How to do it...

How it works...

There's more...

Assigning custom domains to Nodejitsu apps

Provisioning a database with jitsu

See also

Index