Input sanitization using the HTMLSanitizer library

There are other open source libraries out there that do a good job of sanitizing input, and one of them is HTMLSanitizer.

In this recipe, you will learn how to sanitize input using the HTMLSanitizer third-party library.

Getting ready

Using Visual Studio Code, open the sample Online Banking app folder at \Chapter01\input-sanitization-htmlsanitizer\before\OnlineBankingApp.

How to do it…

Let's take a look at the steps for this recipe:

1. Launch Visual Studio Code and open the starting exercise folder by typing the following command:

   code .

2. Navigate to Terminal | New Terminal in the menu or simply press Ctrl + Shift + ' in Visual Studio Code.
3. Type the following command to install the HtmlSanitizer package in your project:

   dotnet add package HtmlSanitizer 

4. Open the Models/FundTransfer.cs file and add a reference to Ganss.XSS, which is the HtmlSanitizer namespace:

   using Ganss.XSS;

5. Modify...