Class: RProxy::ConnectionHandler

Inherits:
EM::Connection
  • Object
show all
Defined in:
lib/r_proxy/connection_handler.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, cache_pool) ⇒ ConnectionHandler

Returns a new instance of ConnectionHandler.



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# File 'lib/r_proxy/connection_handler.rb', line 3

def initialize(config, cache_pool)
  @config = config
  @logger = @config.logger
  @redis = RProxy::RedisService.instance(@config.redis_url)
  @disable_auth = @config.disable_auth
  @disable_unbind_cb = @config.disable_unbind_cb
  @buffer_size = @config.proxy_buffer
  @callback_url = @config.callback_url
  @username = nil
  @password = nil
  @target_connection = nil
  @cache_pool = cache_pool
  @usage_manager = RProxy::UsageManager.new(config, @cache_pool, @redis)
  @http_parser = HttpProxyParser.new(@usage_manager)
  @enable_force_quit = config.enable_force_quit
end

Instance Method Details

#post_init ⇒ Object 



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# File 'lib/r_proxy/connection_handler.rb', line 20

def post_init
  begin
    if @config.enable_ssl
      start_tls(
        private_key_file: @config.ssl_private_key,
        cert_chain_file: @config.ssl_cert
      )
    end
    @port, @ip = Socket.unpack_sockaddr_in(get_peername)

    if @enable_force_quit
      @timer = EventMachine.add_timer(20) do
        self.close_connection(false)
        @timer = nil
      end
    end
  rescue => e
    if @logger
      @logger.error("id:#{@ip}, #{e.message}")
    end
    close_connection
  end
end

#proxy_target_unbound ⇒ Object 



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# File 'lib/r_proxy/connection_handler.rb', line 76

def proxy_target_unbound
  close_connection
end

#receive_data(data) ⇒ Object 



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# File 'lib/r_proxy/connection_handler.rb', line 44

def receive_data(data)
  begin
    target_host, target_port, _= @http_parser.parse(data, !@disable_auth)

    @target_connection = EventMachine.
      connect(target_host,
              target_port,
              RProxy::TargetConnection,
              self,
              @disable_unbind_cb,
              @buffer_size,
              @usage_manager)
    @target_connection.assign_logger(@logger)
    if !@disable_auth
      @username = @http_parser.username
      @password = @http_parser.password
      @target_connection.assign_user_and_password(@username, @password)
    end
  rescue RProxy::HTTPAuthFailed
    send_data(RProxy::Constants::HTTP_FAILED_AUTH)
    close_connection_after_writing
  rescue RProxy::HTTPNotSupport
    send_data(RProxy::Constants::HTTP_BAD_REQUEST)
    close_connection_after_writing
  rescue => e
    if @logger
      @logger.error("client: #{@ip}, target: #{target_host}, port: #{target_port}, #{e.message}")
    end
    close_connection
  end
end

#unbind ⇒ Object 



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# File 'lib/r_proxy/connection_handler.rb', line 80

def unbind
  if @timer
    EventMachine.cancel_timer(@timer)
  end
  return if @disable_unbind_cb
  @usage_manager.report_usage(@username, @password, get_proxied_bytes)
end