Abstract to Privileges rather than to Roles in ASP.NET Applications
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by Steven Smith
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Conclusion

You can read more about this approach and download sample code from my related blog post on this subject, Favor Privileges over Role Checks.  You can follow me on twitter or subscribe to my blog feed to be notified about additional articles and discussions on related topics.


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User Comments

Title: Dermatal   
Name: Dermatal
Date: 2010-12-30 1:42:12 AM
Comment:
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Title: Nice solution, but there is at least one other way   
Name: Mark Kamoski
Date: 2010-12-29 11:56:04 AM
Comment:
Nice solution, but there is at least one other way. I usually use an added table bolted onto the ASP.NET Application Services tables that maps (object-type and action-type) and then grants (or denies) access to that operation. The calls look like something like this... bool hasPermission = SecurityHelper.HasPermission(CurrentUserName, ObjectName, ActionName); ...and so on. That works OK too. Just a thought. Thank you. -- Mark Kamoski
Title: use static   
Name: Trevor
Date: 2010-12-29 11:12:51 AM
Comment:
I would prefer to see a static method below. ie.

ArticlePrivilege.AuthorizedToEdit

That way you don't need to instantiate a class for no reason.

----
var articlePrivilege = new ArticlePrivilege();
if(articlePrivilege.AuthorizedToEdit(article, currentUser))
{
editLink.Visible = true;
}
----

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