############################################################################## # # Copyright (c) 2001 Zope Corporation and Contributors. All Rights # Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.1 (ZPL). A copy of the ZPL should accompany this # distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """ Classes: ERP5GroupManager """ from Globals import InitializeClass from AccessControl import ClassSecurityInfo from AccessControl.SecurityManagement import newSecurityManager,\ getSecurityManager, setSecurityManager from Products.PageTemplates.PageTemplateFile import PageTemplateFile from Products.PluggableAuthService.plugins.BasePlugin import BasePlugin from Products.PluggableAuthService.utils import classImplements from Products.PluggableAuthService.interfaces.plugins import IGroupsPlugin from Products.ERP5Type.Cache import CachingMethod from Products.PluggableAuthService.PropertiedUser import PropertiedUser from ZODB.POSException import ConflictError import sys from zLOG import LOG, WARNING from ERP5UserManager import SUPER_USER class ConsistencyError(Exception): pass manage_addERP5GroupManagerForm = PageTemplateFile( 'www/ERP5Security_addERP5GroupManager', globals(), __name__='manage_addERP5GroupManagerForm' ) def addERP5GroupManager( dispatcher, id, title=None, REQUEST=None ): """ Add a ERP5GroupManager to a Pluggable Auth Service. """ egm = ERP5GroupManager(id, title) dispatcher._setObject(egm.getId(), egm) if REQUEST is not None: REQUEST['RESPONSE'].redirect( '%s/manage_workspace' '?manage_tabs_message=' 'ERP5GroupManager+added.' % dispatcher.absolute_url()) class ERP5GroupManager(BasePlugin): """ PAS plugin for dynamically adding Groups based on Assignments in ERP5 """ meta_type = 'ERP5 Group Manager' security = ClassSecurityInfo() def __init__(self, id, title=None): self._id = self.id = id self.title = title # # IGroupsPlugin implementation # def getGroupsForPrincipal(self, principal, request=None): """ See IGroupsPlugin. """ # If this is the super user, skip the check. if principal.getId() == SUPER_USER: return () def _getGroupsForPrincipal(user_name, path): security_category_dict = {} # key is the base_category_list, # value is the list of fetched categories security_group_list = [] security_definition_list = () # because we aren't logged in, we have to create our own # SecurityManager to be able to access the Catalog sm = getSecurityManager() if sm.getUser() != SUPER_USER: newSecurityManager(self, self.getUser(SUPER_USER)) # To get the complete list of groups, we try to call the # ERP5Type_getSecurityCategoryMapping which should return a list # of lists of two elements (script, base_category_list) like : # ( # ('script_1', ['base_category_1', 'base_category_2', ...]), # ('script_2', ['base_category_1', 'base_category_3', ...]) # ) # # else, if the script does not exist, falls back to a list containng # only one list : # (('ERP5Type_getSecurityCategoryFromAssignment', # self.getPortalAssignmentBaseCategoryList() ),) mapping_method = getattr(self, 'ERP5Type_getSecurityCategoryMapping', None) if mapping_method is None: security_definition_list = (( 'ERP5Type_getSecurityCategoryFromAssignment', self.getPortalAssignmentBaseCategoryList() ),) else: security_definition_list = mapping_method() # get the person from its reference catalog_result = self.portal_catalog( portal_type="Person", reference=user_name) if len(catalog_result) != 1: # we won't proceed with groups if len(catalog_result) > 1: # configuration is screwed raise ConsistencyError, 'There is more than one Person whose \ login is %s : %s' % (user_name, repr([r.getObject() for r in catalog_result])) else: # no person is linked to this user login setSecurityManager(sm) return () person_object = catalog_result[0].getObject() person_id = person_object.getId() # Fetch category values from defined scripts for (method_name, base_category_list) in \ security_definition_list: base_category_list = tuple(base_category_list) method = getattr(self, method_name) security_category_list = security_category_dict.setdefault(base_category_list, []) try: security_category_list.extend( method(base_category_list, user_name, person_object, '') ) except ConflictError: raise except: LOG('ERP5GroupManager', WARNING, 'could not get security categories from %s' % (method_name,), error = sys.exc_info()) # Get group names from category values group_id_list_generator = getattr(self, 'ERP5Type_asSecurityGroupIdList', None) if group_id_list_generator is not None: for base_category_list, category_value_list in \ security_category_dict.items(): for category_dict in category_value_list: try: security_group_list.extend( group_id_list_generator(category_order=base_category_list, **category_dict) ) except ConflictError: raise except: LOG('ERP5GroupManager', WARNING, 'could not get security groups from ERP5Type_asSecurityGroupIdList', error = sys.exc_info()) else: group_id_generator = getattr(self, 'ERP5Type_asSecurityGroupId') for base_category_list, category_value_list in \ security_category_dict.items(): for category_dict in category_value_list: try: security_group_list.append( group_id_generator(category_order=base_category_list, **category_dict) ) except ConflictError: raise except: LOG('ERP5GroupManager', WARNING, 'could not get security groups from ERP5Type_asSecurityGroupId', error = sys.exc_info()) setSecurityManager(sm) return tuple(security_group_list) _getGroupsForPrincipal = CachingMethod(_getGroupsForPrincipal, id='ERP5GroupManager_getGroupsForPrincipal') return _getGroupsForPrincipal(user_name=principal.getId(), path=self.getPhysicalPath()) classImplements( ERP5GroupManager , IGroupsPlugin ) InitializeClass(ERP5GroupManager)