xF1 Unmaintained [TH] Integration Permissions 1.0.0a

What does this add-on do?
This add-on adds a permission to restrict certain users from being able to link their accounts to and log-in from external sites, such as Facebook, Twitter, Google, VKontakte and Steam.

This add-on works with the following external authentication add-ons:

• Social Network Authentication
• Steam Authentication Integration