code: protected boolean hasObjectPermission(ModeledAuthenticatedUser user,
              String identifier, ObjectPermission.Type type)
              throws GuacamoleException {
  
          // Get object permissions
          ObjectPermissionSet permissionSet = getEffectivePermissionSet(user);
          
          // Return whether permission is granted
          return user.getUser().isAdministrator()
              || permissionSet.hasPermission(type, identifier);
  
      }
docs: Returns whether the given user has permission to perform a certain
  action on a specific object managed by this directory object service,
  taking into account permission inheritance through user groups.
  
  @param user
  The user being checked.
  
  @param identifier
  The identifier of the object to check.
  
  @param type
  The type of action that will be performed.
  
  @return
  true if the user has object permission relevant described, false
  otherwise.
  
  @throws GuacamoleException
  If permission to read the user's permissions is denied.