1. A system configured to access a portion of a computing environment secured by an authorization server on behalf of an application executing within a virtual environment, the system comprising: an authorization token store configured to store authorization tokens authorizing access to respective portions of the computing environment; an authorization requesting component configured to: request an authorization token authorizing access to the portion from the authorization server using at least one credential, and upon receiving the authorization token, store the authorization token in the authorization token store; and a computing environment component configured to access the portion by: identifying in the authorization token store an authorization token authorizing access to the portion; upon failing to identify the authorization token, invoking the authorization requesting component to obtain the authorization token; and upon identifying the authorization token, accessing the portion with the authorization token.