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  • Book Overview & Buying Learning WebRTC
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Learning WebRTC

Learning WebRTC

By : Daniel M. Ristic
4 (5)
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Learning WebRTC

Learning WebRTC

4 (5)
By: Daniel M. Ristic
Buy this Book

Overview of this book

If you are a web developer who wants to create well designed WebRTC applications for your users, this is the book for you. Even if you are early in your web development career, this book aims to provide a complete understanding of the WebRTC API. It is assumed that you have previous exposure to web development using HTML5 and JavaScript technologies.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with WebRTC
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1. Getting Started with WebRTC
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Audio and video communication today
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Enabling audio and video on the Web
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Creating web standards
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Using WebRTC in your browser
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Applications enabled by WebRTC
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Self-test questions
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Summary
2
2. Getting the User's Media
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2. Getting the User's Media
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Getting access to media devices
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Constraining the media stream
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Handling multiple devices
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Modifying the media stream
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Self-test questions
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Summary
3
3. Creating a Basic WebRTC Application
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3. Creating a Basic WebRTC Application
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Understanding UDP transport and real-time transfer
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The WebRTC API
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Building a basic WebRTC application
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Running your first WebRTC application
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Self-test questions
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Summary
4
4. Creating a Signaling Server
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4. Creating a Signaling Server
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Building a signaling server
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Setting up our environment
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Getting a connection
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Identifying users
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Initiating a call
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Answering a call
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Handling ICE candidates
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Hanging up a call
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Complete signaling server
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Signaling in the real world
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Self-test questions
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Summary
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5. Connecting Clients Together
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5. Connecting Clients Together
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The client application
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Setting up the page
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Getting a connection
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Logging in to the application
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Initiating a call
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Hanging up a call
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A complete WebRTC client
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Improving the application
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Self-test questions
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Summary
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6. Sending Data with WebRTC
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6. Sending Data with WebRTC
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Stream Control Transmission Protocol and data transportation
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The RTCDataChannel object
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Encryption and security
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Adding text-based chat
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Use cases
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Self-test questions
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Summary
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7. File Sharing
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7. File Sharing
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Getting a file with the File API
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Breaking down a file into chunks
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Putting it together on the other side
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Showing progress to the user
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Self-test questions
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Summary
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8. Advanced Security and Large-scale Optimization
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8. Advanced Security and Large-scale Optimization
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Securing the signaling server
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Supporting mobile devices
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Introduction to mesh networking
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Video conferencing with more users
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The future of conference calls
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Self-test questions
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Summary
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A. Answers to Self-test Questions
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A. Answers to Self-test Questions
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Chapter 1, Getting Started with WebRTC
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Chapter 2, Getting the User's Media
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Chapter 3, Creating a Basic WebRTC Application
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Chapter 4, Creating a Signaling Server
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Chapter 5, Connecting Clients Together
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Chapter 6, Sending Data with WebRTC
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Chapter 7, File Sharing
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Chapter 8, Advanced Security and Large-scale Optimization
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Index
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Index

Securing the signaling server

What we have built so far has been in the spirit of teaching a single part of the WebRTC API. This means many shortcuts were taken and we sacrificed performance and security to make it easier to learn. Our signaling server, although it works, is simple in nature and can be upgraded to support a much larger set of features.

Using encryption

The largest and most obvious upgrade is mandatory encryption of the signaling server. Encrypting the messages of the signaling server will ensure that no one can intercept a message to the server, thus figuring out which clients are talking to whom. This is easily the largest gap in security that the signaling server we built has right now. It is also the easiest to patch up since encryption is a highly standardized and widely used technology on the Web today.

The two standard encryption methods for our signaling server are HTTPS and WSS. You should recognize HTTPS by now as the standard SSL encryption for websites over HTTP...

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Learning WebRTC
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