[Building Sakai] Custom URL at Customized Web Content page

[Carlos Caballero]

Hi,
I'm developing a stand-alone e-membership for our client and it needs to be integrated to Sakai. I was wondering if there is any way that whenever a user logs in to http://ourdomain.com:8080/portal, the web content shows a specific page tailored for that kind of user? 
The user can be one of the following roles in our stand-alone e-membership: admin, member, staff. Each role has different urls / views to begin with. Is there any way we can implement that they don't need to re-log in to the e-membership when they click the customized web content button at the left of the screen? Because right now all I can implement is a fixed URL attached to the customized web content button. 
Also, right now I'm trying to implement PHP-Bridge to convert Java functions to PHP, but I think there might be someone before who has done this and might present a better answer than what I am trying to do.
We are talking of hundreds, maybe even thousands of users with each a specific role.
I'd appreciate any feedback. Thank you and more power to Sakai!
Best regards,Carlos
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