LDAP/Active Directory support for Plone
The PloneLDAP product is intended to make it easier to use LDAP connections in a Plone website. It builds upon the excellent LDAPMultiPlugins and LDAPUserFolder products which provide the basic LDAP infrastructure.
For Plone 3.3 or higher, we recommend using plone.app.ldap for having a nicer user interface for using LDAP with Plone. This uses PloneLDAP.
The extra functionality provided by this product require features beyond that are not part of the standard Pluggable Authentication Service, which is why they are not included in LDAPMultiPlugins.
PloneLDAP integrates LDAP fully into your Plone site:
- users in an LDAP database can be used as normal users in Plone. You can search for them, assign roles to them, create them and remove them.
- groups in an LDAP database can be used as normal groups in Plone. You can view them, manage group members, create new groups and remove them. LDAP groups can only have LDAP users as members. LDAP users can be group members of non-LDAP groups.
- member properties for LDAP users need not be stored completely in the LDAP database: you can mix LDAP and ZODB-stored properties.
Please note that if you are using Active Directory (AD) all access is read-only. For example, you cannot add AD users to AD groups.
- Plone 3.0 or later
- LDAPUserFolder 2.8 or later
- LDAPMultiPlugins 1.5 or later
Products.PloneLDAP depends on LDAPMultiPlugins and LDAPUserFolder, so they will be installed automatically.
For the record, it has been tested with these most recent versions:
Plone = 4.2.2 Products.LDAPMultiPlugins = 1.14 Products.LDAPUserFolder = 2.24 dataflake.fakeldap = 1.1 python-ldap = 2.4.10
First you need to install the python-ldap package. Once that has been installed you need to add the Products.PloneLDAP egg to your Plone instance. If you use buildout just add Products.PloneLDAP to the list of required eggs. Otherwise you will need to use easy_install. See the documentation on plone.org for more information on installing third party packages.
Do not install LDAPUserFolder from the Plone site setup screen. This will break your Plone site.
PloneLDAP provides PAS plugins that you can use to get your site talking to LDAP or Active Directory. To install them go the acl_users folder in your site. Select the right plugin from the dropdown menu in the top right: use ‘Plone LDAP Plugin’ if you want to connect to a standard LDAP server or ‘Plone Active Directory Plugin’ if you want to connect to a Microsoft Active Directory server.
After selecting the plugin type you will see a screen where you need to submit the configuration information. Consult your LDAP or AD administrator if you are not sure what the correct information is.
After creating the plugin it has to be activated. To do this go to the plugin in the ZMI and go to the ‘navigate’ tab, select all plugin types and click on the ‘Update’ button.
As a final change you will need to reorder the plugin order. Reodering can be done by clicking on the name of a plugin type, selecting a plugin in the ‘Active Plugins’ list and using the up and down arrows to change the ordering. The required ordering changes are:
- Properties: LDAP has to be the top plugin
- Group_Management: LDAP should be the top plugin if you want to create groups in the LDAP database
- User_Adder: has to be the top plugin if you want new users to be created in LDAP
- User_Management: LDAP has to be the top plugin
Inside the PloneLDAP PAS plugin you will see another acl_users user folder. This is a ‘’LDAPUserFolder’’ instance, which is used to manage the low-level communication with the LDAP server. By updating its properties you can reconfigure your LDAP connection.
The LDAPUserFolder instance is only used to communicate with the LDAP server. Its user and group management facilities are not used. You can use it to quickly test if your LDAP connection is correctly configured.
If you make any changes in users or groups through the LDAPUserFolder ZMI interfaces these will be applied to the LDAP server but the caches used by the PloneLDAP plugin will not be invalidated correctly. This may lead to unexpected results and it is strongly recommended to only use the Plone interface to update users and groups.
PloneLDAP is copyright 2007,2008 by Simplon and licensed under the Zope Public License, version 2.1.
- Only the LDAP plugin implements IGroupManagement, not the ActiveDirectory plugin. This is for adding, removing and editing groups.
- Code moved to https://github.com/collective/Products.PloneLDAP
- Let only the LDAP multi plugin implement the IGroupCapability interface (add a user to a group or remove a user from a group). Previously the AD multi plugin claimed to implement this too, but it lacked the required methods, so this could lead to tracebacks. We could instead add those methods via the mixin class, but but this gave other tracebacks (in removePrincipalFromGroup) when I tried it in one AD setup.
- Fix setProperties to split value into lines if lines property receives a string instead of an iterable.
- When creating an Active Directory plugin configure LDAPUserFolder to ignore disabled or non-user accounts. This requires Products.LDAPUserFolder 2.11 or later.
- Switch license to ZPL.
- Depend on the Products.LDAPMultiPlugins and Products.LDAPUserFolder.
- Switch to egg-only releases from now on.
- Hide LDAPUserFolder from the list of Add-On Products since installing it will kill your Plone site. Plone 3.0 only.
- Fix incorrect security declaration for doDeleteUser
- Fix getGroupMembers to return user ids instead of login names for group members. This broke group membership listing in environments where userid and login name differ (for example AD environments). Thanks to Netcentric for discovering this and helping me fix it.
- Add some protection against invalid (None) results of group related searches.
- Add more information about the capabilities and caveats of LDAP use in Plone.
- Improve the documentation.
- Add missing cache invalidation for role management and user deletion.
- Fix updating of single-valued member properties.
- Use a different method to get the containing LDAPUserFolder. This allows use of PloneLDAP outside of a CMF site.
- Fix setting of object classes when creating a new plugin instance.
- Fix member property sheets: RAM caching does not like it when you try to store non-pickleable data.
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