A good way to handle claim based security in RESTful services

Dominick just blogged what I think is one of the best ways to provide claim based security for RESTful services at the moment. The idea of using simple web tokens for RESTful services I’ve been in my head for a while, but I was not able to find enough the time to implement it. Fortunately, Dominick already did it for us, so it’s really great to have a sample with that.

One piece that is still missing in this architecture is the possibility to run an in-house STS for issuing simple web tokens rather than using the ACL service available as part of Windows Azure AppFabric. It would be great if we could have some built-in support in WIF to issue simple web tokens, in other words, a built-in security handler for simple web tokens, and a RESTful endpoint for requesting those. 

The OAuth Wrap specification (the place where the simple web tokens are defined) also supports the typical ActAs scenario, where a client application can request a token on behalf of the logged user. This would be ideal for example, in a web application that want to consume a RESTful service on behalf of the logged user.    

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