took out this:

// CHECK FOR PERMISSIONS OF THE CURRENT USER TO ACCESS CONTENT
  global $user;
  $access = user_access('access content', $user, $reset = FALSE);
  if ($access == FALSE) {
  return;}

  from  _content_share_retrieve($nid, &$error_object)
  on line 512 of .module since all user validation is carried out via
  logged-in/anon and roles