Introspect is a File System oriented Database Management System And CMS built on UNIX as a Python and HTML webapp.
For the latest version use the Bitbucket repository: https://bitbucket.org/mieszkowski/introspect/src/master/
This system is able to authenticate users via SVN, HTTP and Samba, users are stored via SQL and the authentication is done via several software-modules like Apache-SQL or pdbsql for samba.
Supported auth-protocols : NTLM, HTTP (Apache "basic")