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Customizing Claims for Authorization in ASP.NET Core 2.0

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There have been some major changes to ASP.NET Identity with the release of Core 2.0, which you can read about here.  One of the major changes is that it does not rely on using middleware anymore to customize it.  Instead dependency injection is used by configuring via services in the ConfigureServices method of StartUp.cs.   There is not much documentation or examples on how to do this so I am going to explore how to customize ASP.NET Identity and publish some examples in this blog.  First I wanted to look at how you would add custom claims to the identity and then use those claims for authorization.

To begin create a new ASP.NET Core Web Application project in Visual Studio 2017.  Be sure to select .NET Core and ASP.NET Core 2.0 in the two drop downs at the top.  Select the template for Web Application (Model-View-Controller) and Change the Authentication to Individual User Accounts.  When the project is created you are ready to add some code.


For this example we are simply restricti…

CodePlex is Dead. Long Live GitHub

I was very sad to hear about the demise of CodePlex.  I had a couple of open source projects on their site and I loved the tools provided to manage a project, especially the tight integration with Visual Studio.  But alas all good things must come to an end.  Always looking for a positive aspect to all situations, I decided that on the plus side this will force me to learn how to use Git for version control.

I have heard for some time all of the buzz around using Git but was quite content with using Team Foundation Version Control (TFVC).  But even Microsoft is embracing Git and has offered it as an option in Visual Studio for some time now and seems to get all of the new functionality when it come to version control.  Each takes a very different approach to version control, with Git being a distributed solution whereas TFVC is a centralized solution.  Microsoft has a good discussion comparing the two and when to use each in this article, Choosing the right version control for your pr…