ProxyApp for connecting Pow to PHP

proxyapp.rb

require 'net/http'

class ProxyApp
  def call(env)
    begin
      request = Rack::Request.new(env)
      headers = {}
      env.each do |key, value|
        if key =~ /^http_(.*)/i
          headers[$1] = value
        end
      end
      http = Net::HTTP.new("localhost", 8080)
      http.start do |http|
        headers['X-Content-Type'] = request.content_type
        response = http.send_request(request.request_method, '/~madjester/clickfortime.com' + request.fullpath, request.body.read, headers)
        resp_code, resp_headers, resp_body = response.code, response.to_hash, response.body
        # Research showed that browsers were choking on this for some reason.
        # Probably not the be-all-end-all solution, but works for local development thus far.
        resp_headers.delete('transfer-encoding')
        [resp_code, resp_headers, [resp_body]]
      end
    rescue Errno::ECONNREFUSED
      [500, {}, ["Server is down, try $ sudo apachectl start"]]
    end
  end
end
run ProxyApp.new