uploadify_middleware.rb

require 'rack/utils'

class FlashSessionCookieMiddleware
  def initialize(app, session_key = 'my_session_key')
    @app = app
    @session_key = (session_key || 'my_session_key')
  end

  def call(env)
    if env['HTTP_USER_AGENT'] =~ /^(Adobe|Shockwave) Flash/
      params = ::Rack::Utils.parse_query(env['QUERY_STRING'])
      unless params[@session_key].nil?
        env['HTTP_COOKIE'] = "#{@session_key}=#{params[@session_key]}".freeze
        # puts "env['HTTP_COOKIE'] #{env['HTTP_COOKIE'].inspect}"
      end
    end
    @app.call(env)
  end
end