browser-basic-auth-test.rb

#!/usr/bin/env ruby
require 'bundler'
Bundler.require
require 'sinatra'

set :bind, '0.0.0.0'
set :port, 80

def show_credentials(request)
  <<-EOF
    Header: #{request.env['HTTP_AUTHORIZATION']}
    <br>
    <a href="/">Home</a>
  EOF
end

get '/' do
  <<-EOF
    <a href="/optional">Optional auth</a>
    <br>
    <a href="/mandatory">Mandatory auth</a>
  EOF
end

get '/optional' do
  show_credentials(request)
end

get '/mandatory' do
  if(!request.env["HTTP_AUTHORIZATION"])
    response['WWW-Authenticate'] = 'Basic realm="Test Site"'
    halt 401, "You need to authenticate!"
  else
    show_credentials(request)
  end
end