Wizcorp/phonegap-facebook-plugin — pull request #850 by jcvalerio (2014-12-14 14:43:18+00:00)
Title: Share Dialog does not require Login or any extended permissions

Currently user have to have an active session with Facebook plugin to use **"Share Dialog"**, but Facebook documentation suggest _"This does not require Facebook Login or any extended permissions, so it is the easiest way to enable sharing on web."_

This Change just request an active session when developer execute a showDialog different than a share dialog