asp.net mvc 5 improves filter based authentication
ASP.NET MVC 5, included in the recently released Visual Studio 2013 Developer Preview, enables developers to apply authentication filters, which provide the ability to use a variety of third-party vendors or custom authentication providers. The ability to authenticate users. However, these filters are applied before calling the authorization filter.
In order to create an authentication filter, developers need to create a new C# ASP.NET project and select MVC from the listed project types. Eric Vogel, senior software development engineer at Kunz, Leigh & Associates, has tested the use of authentication filters. He created a custom filter that redirected users back to the login page if they were not authenticated.
Eric created a CustomAttributes directory and a new class CustomAttribute that inherits
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The OnAuthentication() method of the interface IAuthenticationFilter can be used to perform any required authentication, while the OnAuthenticationChallenge method restricts access to the authenticated user based on his/her identity .
The OnAuthenticationChallenge method receives the AuthenticationChallengeContext parameter, and its implementation code is as follows:
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Readers can get the complete source code from Eric's blog post. The BasicAuthAttribute class is easy to test. Open the HomeController class file and add the following code:
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Finally, apply the custom attribute to the HomeController class as follows:
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