A use case for one of the customers that I was shadowing wanted to be able to use there LDAP to log into the OAuth Manager, and when they went to clients if the user that was logged in was an Admin it would list all client keys in the manager regardless of owner.
There are two documents attached:
1. OAuth use of LDAP.docx is a step by step guide on setting up the policies
2. IsAdmin Fragment.xml is a policy fragment that contains most of the logic.
Note: This was done for a customer so the guide is to help somebody step through that might not be familiar with policy development and the policy manager.