Book Image

ASP.NET Core 5 for Beginners

By : Andreas Helland, Vincent Maverick Durano, Jeffrey Chilberto, Ed Price
Book Image

ASP.NET Core 5 for Beginners

By: Andreas Helland, Vincent Maverick Durano, Jeffrey Chilberto, Ed Price

Overview of this book

ASP.NET Core 5 for Beginners is a comprehensive introduction for those who are new to the framework. This condensed guide takes a practical and engaging approach to cover everything that you need to know to start using ASP.NET Core for building cloud-ready, modern web applications. The book starts with a brief introduction to the ASP.NET Core framework and highlights the new features in its latest release, ASP.NET Core 5. It then covers the improvements in cross-platform support, the view engines that will help you to understand web development, and the new frontend technologies available with Blazor for building interactive web UIs. As you advance, you’ll learn the fundamentals of the different frameworks and capabilities that ship with ASP.NET Core. You'll also get to grips with securing web apps with identity implementation, unit testing, and the latest in containers and cloud-native to deploy them to AWS and Microsoft Azure. Throughout the book, you’ll find clear and concise code samples that illustrate each concept along with the strategies and techniques that will help to develop scalable and robust web apps. By the end of this book, you’ll have learned how to leverage ASP.NET Core 5 to build and deploy dynamic websites and services in a variety of real-world scenarios.
Table of Contents (19 chapters)
Section 1 – Crawling
Section 2 – Walking
Section 3 – Running

Understanding authorization concepts

The second piece of the identity puzzle is authorization, usually shortened to AuthZ. Where AuthN is about finding out who you are, AuthZ is about what you are allowed to do.

Going back to the real world and how things work there, let's for a moment consider international air travel. Assume for simplicity's sake that all international travel requires you to show a passport. If you don't have a passport with you, this will be the same as not being authenticated (unauthenticated) and you will not be allowed into the destination country.

If you have a passport, the relevant authorities will examine it by asking the following questions:

  • Is it issued by an actual country? (Unfortunately, ''.NET-land'' is not recognized by the United Nations.)
  • Does it appear genuine, with watermarks, biometric markers, and so on, or does it look like something you printed at home?
  • Can the issuing country be trusted...