I want to use authorization to allow or disallow access to some resources on my website based on a criteria that does not involve user name and password. Simply it is, if the user has provided me with his business contact info, I will let him access the free resources, otherwise I won't. I don't want to create my own authentication system, and rather use ASP.net's forms authentication (I am ok with extending it, if necessary). How would achieve this? The methods that authenticate in all security API's want a user name and password. (I could use some identifying info as user name and password, but was wondering if there is a better way, for example to overload/extend the IsAuthenticated method).
Any advice please?
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