class User < ActiveLdap::Base
  ldap_mapping  :dn_attribute =>"uid"
  
  def self.authenticate(login, password)
    return nil if login.blank? || password.blank?
    u = find(:all, login).first # need to get the salt
    u && u.authenticated?(password) ? u : nil
  end
  
  def authenticated?(password)
    self.userPassword == password and Group.tecnology.include? self.uid
  end
end