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I have a J2EE application server, a swing client, and a web client. Can I use JAAS to authenticate the swing client? I already have form-based login on the web client. The J2EE app server EJBs are protected and the web resources are protected. The declarative J2EE container managed security is working for the web client. The swing client will be accessing the EJBs via JNDI. Will the container managed authorization work for the swing client (authenticated via JAAS)?
Yes, it will work fine. Depending on the application server you may/or may not have to use JAAS. Most allow you to execute as the last user you retrieved an InitialContext as. Example:
The above code will execute the EJB as the user you passed to the InitialContext. If you still want to go down the JAAS path that is not a problem either but you should read your Application Server documentation for the appropriate way to authenticate via JAAS. Also remember you will have to execute your EJB call as part of a PrivelegedAction to propagate the user principal... this also might require a call to a vendor-specific API. For example, in WLS 6.1 you could do a plain Subject.doAs() but in WLS 8.1 you need to use weblogic.security.Security.runAs() instead.
Joined: Feb 23, 2006
Thanks for the very helpful information. This answers my question in full.