ironruby ActiveDirectory access

winmanager.rb

require 'System.DirectoryServices, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
include System::DirectoryServices

class WinManager

	attr_accessor :connection_string

	if !defined? FLAG_CANNOT_CHANGE_PASSWORD
		FLAG_CANNOT_CHANGE_PASSWORD = 0x40
		FLAG_PASSWORD_NEVER_EXPIRES = 0x10000
	end
	
	def initialize
		@connection_string  = 'WinNT://localhost'
	end

	def create_user username,full_name,password
		begin
		unless user_exists? username 
			entries = entry_point.Children		
			user = entries.Add username,'User'
			user.Properties['FullName'].Add full_name.to_clr_string
			user.Properties['Userflags'].Add FLAG_CANNOT_CHANGE_PASSWORD | FLAG_PASSWORD_NEVER_EXPIRES
			user.Invoke 'SetPassword',password.to_clr_string
			user.CommitChanges
			user.Close
		end
		rescue
		 puts 'cannot create ' + username
		 return false
		end
		true
	end
	
	def user_exists? username
		begin 
			u = entry_point.Children.find username,'User'
			u.close
		rescue
			return false
		end
		true
	end
	
	def entry_point
		@main_entry ||= DirectoryEntry.new @connection_string.to_clr_string
	end
end

#winMgr = WinManager.new
#winMgr.create_user 'pippo','Pippo','pippopippo'