gistfile1.rb

require 'sinatra'
require 'net/ldap'

ldap = Net::LDAP.new
ldap.host = '192.168.1.1'
ldap.port = 389
ldap.auth "username", "password"

get '/people/:id' do
  filter = Net::LDAP::Filter.eq('cn', params[:id] + '*')
  treebase = "dc=reputablecompany, dc=com"

  ldap.search(:base => treebase, :filter => filter) do |entry|
    puts "CN: #{entry.cn}"
    if entry.respond_to?("company")
      puts "Department: #{entry.company}"
    end
  end
  p ldap.get_operation_result
end