At AirlineSim we use CAS for user authentication and right now we are in the process of migrating parts of the game to the great web framework Wicket. Yesterday I thought about a way of integrating both in a way that a user is automatically redirected to a login page when he lacks access rights and that he returns to the exact same page after he has completed the login. All should be done in a "Wicket way". Below you find my approach, please let me know when you find errors or if you can think of ways so solve it in a better way. For demonstration purposes I use simplified code passages. It looks slighty more complex in AirlineSim. The first step is to check in a custom PageAuthorizationStrategy whether a CAS assertion exists. I'm using the filters provided by the Jasig CAS Client to place the assertion in an AssertionHolder. If no assertion is provided (which means the user is not logged in) I use Wicket's intercept page mechanism to redirect the user to CAS. [cc lang="java"] public class CASPageAutho
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