sinatra_warden.rb

require 'rubygems'
require 'sinatra'
require 'sinatra_warden'
require 'warden'
require 'rack/flash'

require 'haml'

User = Struct.new(:id, :name, :email)

Warden::Strategies.add(:password) do
	def valid?
		p "Validating..."
		p params
		params['username'] && params['password']
	end

	def authenticate!
		p "Authenticating..."
		p params
		r = params["username"] == 'test' && params["password"] == 'testing'
		u = User.new(1, "Peter Parker", "[email protected]")
		r ? success!(u) : fail!("Couldn't log in")
	end
end

module Test
	class App < Sinatra::Base
		use Rack::Session::Cookie
		use Warden::Manager do |m|
			m.default_strategies :password
			m.failure_app = Test::App
			m.serialize_into_session { |u| u.id }
			m.serialize_from_session do |id|
				User.new(id, "Peter Parker", "[email protected]")
			end
		end # Warden::Manager
		use Rack::Flash

		register Sinatra::Warden

		set :sessions, true
		set :auth_failure_path, '/fail'
		set :auth_success_path, '/'

		get '/?' do
			authorize!('/login')
			return <<-RESULT
				#{flash[:success]}
				We're in #{user.name}! your id is #{user.id}.
				<a href="/logout">Click Here</a> to logout.
				<pre>Your params where: #{params.inspect}</pre>.
			RESULT
		end

		get '/fail' do
			"Sorry, you didn't get in."
			flash[:error]
		end
	end

	def self.app
		Test::App
	end
end