Simplified Offline Access to User's Google Data from Workflow

In the context of a workflow, it would be great if providing a user object was all that would be needed to use Google API’s on behalf of a user who has already authorized access. Unfortunately, it doesn’t seem to be so simple, and that’s a hurdle for anyone wanting to leverage Google services on behalf of a user when they are not logged in.

See this topic and this post for additional info.