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Showing posts from March, 2011

Authentication using Social Networking portals(Facebook, Gmail, and Yahoo)

There are tons of sites, which offer sign on using the social networking site credentials (Facebook, gtalk, twitter and the list continues).It can be termed a “SINGLE SIGNON” and offers a lot of benefits compared to traditional database authentication approach. However, not storing user credentials in the DB imposes an additional risk. How to track who all logged into the system. Now the question is, which approach to follow. The best approach is to use inbuilt asp.net users for storing the logging info about user activities and using single signon technique for authentication. This article will explore the approach and provide the details of implementation using some third party libraries and customizing it to the requirements. The Authentication will be done using the following networking portals Yahoo  Gmail Facebook    Special thanks to my friend Sumit Khandelwal, for implementation of Facebook part (in fact he did it all!!) Except Facebook, all other can be authentic