proxy sample

simulation-sample.rb

require 'rack-proxy'

module SimulationSample
  class Proxy < Rack::Proxy
    def rewrite_env(env)
      env
    end
  end

  def self.call(env)
    uri = URI.parse(env['REQUEST_URI'])

    if uri.query =~ %r{^u=(http.?://.*)}
      target_uri = URI.parse($1)

      proxy = Proxy.new(backend: target_uri.to_s, streaming: false)

      env.each {|k,v| p [k,v] }

      proxy.call('REQUEST_METHOD' => env['REQUEST_METHOD'],
                 'REQUEST_URI'  => target_uri.path,
                 'QUERY_STRING' => target_uri.query,
                 'PATH_INFO' => target_uri.path,)
    else
      [404, {}, ["Not found"]]
    end
  end
end