class Faraday::Adapter::Patron

def call(env)
  super
  # TODO: support streaming requests
  env[:body] = env[:body].read if env[:body].respond_to? :read
  session = @session ||= create_session
  if req = env[:request]
    session.timeout = session.connect_timeout = req[:timeout] if req[:timeout]
    session.connect_timeout = req[:open_timeout]              if req[:open_timeout]
    if proxy = req[:proxy]
      proxy_uri = proxy[:uri].dup
      proxy_uri.user = proxy[:user] && Utils.escape(proxy[:user]).gsub('+', '%20')
      proxy_uri.password = proxy[:password] && Utils.escape(proxy[:password]).gsub('+', '%20')
      session.proxy = proxy_uri.to_s
    end
  end
  response = begin
    data = env[:body] ? env[:body].to_s : nil
    session.request(env[:method], env[:url].to_s, env[:request_headers], :data => data)
  rescue Errno::ECONNREFUSED, ::Patron::ConnectionFailed
    raise Error::ConnectionFailed, $!
  end
  # Remove the "HTTP/1.1 200", leaving just the reason phrase
  reason_phrase = response.status_line.gsub(/^.* \d{3} /, '')
  save_response(env, response.status, response.body, response.headers, reason_phrase)
  @app.call env
rescue ::Patron::TimeoutError => err
  if err.message == "Connection time-out"
    raise Faraday::Error::ConnectionFailed, err
  else
    raise Faraday::Error::TimeoutError, err
  end
rescue ::Patron::Error => err
  if err.message.include?("code 407")
    raise Error::ConnectionFailed, %{407 "Proxy Authentication Required "}
  else
    raise Error::ConnectionFailed, err
  end
end

def create_session
  session = ::Patron::Session.new
  session.insecure = true
  @config_block.call(session) if @config_block
  session
end