Json2Ldap

Json2Ldap is a JSON-to-LDAP gateway software, written in Java and developed by Nimbus Directory Services. It provides a JSON-RPC 2.0 interface for web clients to access one or more LDAP v3 - compatible directories. The Json2Ldap web API supports the standard LDAP directory requests as well as several extended operations and controls.

WWW Official Site

Background

Json2Ldap was initially conceived as a lightweight JSON alternative to existing XML-based gateways for providing directory service access to web browsers. Its first official release was in May 2010. In May 2011 development of the software was passed to Nimbus Directory Services.

Interface specification

Json2Ldap provides a JSON web interface for establishing LDAP client connections to one or more directory servers.
Client web interface:

Version 2.0 of the JSON-RPC protocol.
Requests are accepted over HTTP POST.
Optional support for Cross-Origin Resource Sharing requests.

Supported standard LDAP directory operations :

Bind : simple, plain SASL, digest MD5 SASL, anonymous
Search
Compare
Add a new entry
Delete an entry
Modify an entry
Modify distinguished name
Unbind

Supported extended LDAP operations:

Password Modify
StartTLS
Who am I

Supported extended LDAP controls:

Authorisation identity bind control.
Server-side sorting of search results.
Simple paged results.
Virtual-list-view search control
Sub-tree delete.

Non-standard extensions:

Secure Remote Password protocol authentication.

Example messages

Example request message

Example directory search request:

Example response message

Example directory search response:

System requirements

Json2Ldap is distributed as a Java web application archive for deployment in a Java servlet container.