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]
      session.proxy = proxy[:uri].to_s
      if proxy[:user] && proxy[:password]
        prepend_proxy_auth_string(proxy, session)
      end
    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
    raise Error::ConnectionFailed, $!
  end
  save_response(env, response.status, response.body, response.headers)
  @app.call env
rescue ::Patron::TimeoutError => err
  raise Faraday::Error::TimeoutError, err
end

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

def initialize(app, &block)
  super(app)
  @block = block if block_given?
end