# = ildus/server/backend - generic server backend library
#
# Copyright (C) 2005 Paul van Tilburg <paul@luon.net>
#
# Ildus is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.

require 'ldap'

module Ildus::Server::Backend

  class LDAPv3 < Basic

    def initialize(*args)
      super
      @ldap = LDAP::Conn.new(config['host'])
      @ldap.set_option(LDAP::LDAP_OPT_PROTOCOL_VERSION, 3)
      @ldap.simple_bind(config['user'], config['pass'])
    end

    def hostnames
      entries = Hash.new { |h, k| h[k] = [[], []] }
      @ldap.search(config['base'], LDAP::LDAP_SCOPE_SUBTREE, 
                   "ildusOwner=#{user}") do |entry|
        assoc_dom, a_rr, aaaa_rr, cname_rr = 
          ["associatedDomain", "aRecord", 
           "aAAArecord", "cNAMErecord"].map do |attr| 
            entry.vals(attr)
          end

        host = assoc_dom.first.gsub(/\.#{config['domain']}$/, '')
        if a_rr
          entries[host].first.push(*a_rr)
        end
        if aaaa_rr
          entries[host].first.push(*aaaa_rr)
        end
        if cname_rr
          cname = cname_rr.first.gsub(/\.#{config['domain']}$/, '')
          entries[cname].last << host
        end
      end

      return entries
    end # hostnames
    
  end # class LDAPv3

end # module Ildus::Server::Backend