Book Image

Mastering Internet of Things

By : Peter Waher
Book Image

Mastering Internet of Things

By: Peter Waher

Overview of this book

The Internet of Things (IoT) is the fastest growing technology market. Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. Mastering Internet of Things starts by presenting IoT fundamentals and the smart city. You will learn the important technologies and protocols that are used for the Internet of Things, their features, corresponding security implications, and practical examples on how to use them. This book focuses on creating applications and services for the Internet of Things. Further, you will learn to create applications and services for the Internet of Things. You will be discover various interesting projects and understand how to publish sensor data, control devices, and react to asynchronous events using the XMPP protocol. The book also introduces chat, to interact with your devices. You will learn how to automate your tasks by using Internet of Things Service Platforms as the base for an application. You will understand the subject of privacy, requirements they should be familiar with, and how to avoid violating any of the important new regulations being introduced. At the end of the book, you will have mastered creating open, interoperable and secure networks of things, protecting the privacy and integrity of your users and their information.
Table of Contents (24 chapters)
Title Page
Copyright and Credits
Packt Upsell

Authenticating users

Our last task before the web page is complete is to provide some minimum form of protection by providing a login page. A user must be logged in to be able to view the data of the device or control its output.

The Markdown engine allows us to implement simple login pages. It is done by providing two header fields, Login and UserVariable. What they do is tell the parser that the page can only be viewed if a Waher.Security.IUser object is defined in the current session, with the variable name defined by the UserVariable header. If no such variable is found, the client is redirected to a new page, defined by the Login header. So, we begin by adding the following two rows to the and files in the sensor project (the work for the controller is analogous):

UserVariable: User 

Adding a login page

We now create a new Markdown page in the web Root asset folder, called This page will display a simple login form to the user. When the user...