*** session_orig.py	2018-09-13 12:35:00.000000000 +0200
--- session.py	2018-09-20 12:09:03.732659665 +0200
***************
*** 343,348 ****
--- 343,361 ----
  					'keywords': list(set(module.keywords + [self.i18n._(keyword, translationId) for keyword in module.keywords])),
  					'version': module.version,
  				})
+ 
+ 		vmod = self._get_user_visible_modules()
+ 		if vmod is not None:
+ 			vmod_array = vmod.split(',')
+ 			CORE.info('Reducing modules to %s' % vmod_array)
+ 			temp_modules = []
+ 			for m in modules:
+ 				if '%s:%s' % (m.get('id'),m.get('flavor')) in vmod_array:
+ 					temp_modules.append(m)
+ 				elif m.get('id') in vmod_array:
+ 					temp_modules.append(m)
+ 			modules = temp_modules
+ 
  		CORE.info('Modules: %s' % (modules,))
  		res = Response(request)
  		res.body['modules'] = modules
***************
*** 354,359 ****
--- 367,380 ----
  		favorites = self._get_user_preferences(self.get_user_ldap_connection()).setdefault('favorites', ucr.get('umc/web/favorites/default', '')).strip()
  		return set(favorites.split(','))
  
+ 	def _get_user_visible_modules(self):
+ 		""" only if present: the list of modules to be shown in UMC overview """
+ 		if self._user_dn:
+ 			prefs = self._get_user_preferences(self.get_user_ldap_connection())
+ 			if prefs is not None:
+ 				return prefs.get('modules',None)
+ 		return None
+ 
  	def handle_request_get_categories(self, request):
  		categoryManager.load()
  		ucr.load()