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LDAP-backed plugins for the Zope2 PluggableAuthService

Project description

The LDAPMultiPlugins provides PluggableAuthService plugins that use LDAP as the backend for the services they provide. The PluggableAuthService is a Zope user folder product that can be extended in modular fashion using various plugins. See DEPENDENCIES.txt for software needed by this package.

Please make sure to read the documentation included in the LDAPUserFolder package as well.


The results of some calls into the plugins provided by these package can be cached using the Zope ZCacheable mechanism:

  • In the Zope Management Interface (ZMI) of your PluggableAuthService instance, select ‘RAM Cache Manager’ from the dropdown, give it an ID and configure it according to your needs.
  • Click on your LDAP/ActiveDirectoryMultiPlugin and use the ‘Cache’ ZMI tab on the far right to associate the newly created RAM Cache Manager object with the plugin.

Now your plugin will use the RAM Cache Manager object to cache results from some of the possibly expensive API calls.

Special features - Active Directory Multi Plugin

Properties of the ADMultiPlugin instance:

  • groupid_attr - the LDAP attribute used for group ids.
  • grouptitle_attr - the LDAP attribute used to compose group titles.
  • group_class - the LDAP class of group objects.
  • group_recurse - boolean indicating whether to determine group memberships of a user by unrolling nested group relationships (expensive). This feature is not guaranteed to work at this moment.

Active Directory configuration hints

In order for groups support to work correctly, you may have to set the following properties. Every situation is different, but this has helped some people succeed:

  • On the “Properties” tab for the ActiveDirectoryMultiPlugin, set the groupid_attr property to “name”.
  • On the contained LDAPUserFolder’s “Configure” tab, choose a property other than “objectGUID”, e.g. “sAMAccountName” for the User ID property. To get to the LDAPUserFolder, click on the ActiveDirectoryMultiPlugin “Content” tab.

Please see README.ActiveDirectory from the LDAPUserFolder package for additional information.

Changelog for Products.LDAPMultiplugins

To see earlier changes please see HISTORY.txt.

1.6 (2008-06-05)

  • Bug: ActiveDirectoryMultiPlugin.enumerateGroups: In order to support group searches on the binary objectGUID attribute, utilize a new flag exposed by the LDAPUserFolder LDAPDelegate search method that prevents the customary UTF8-encoding of the search filter expression. NOTE: With this change the LDAPUserFolder version dependency changes to version 2.9 or higher! ( by Wichert Akkerman)
  • Bug: ActiveDirectoryMultiPlugin.enumerateGroups: If the requested group id is a binary string, like a objectGUID attribute, it was mangled by a lowercasing operation. Removed the lowercasing. ( by Wichert Akkerman)
  • Feature: Added caching to the getGroupsForPrincipal method. Thanks to Wichert Akkerman for the patch. (

1.5 (2007-06-13)

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