third_party/WebKit/LayoutTests/http/tests/websocket/handshake-fail-by-prepended-null_wsh.py

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  21
  22
  23 import time
  24 from mod_pywebsocket import stream
  25 from mod_pywebsocket.handshake.hybi import compute_accept
  26
  27
  28 def web_socket_do_extra_handshake(request):
  29     # This simulates a broken server that sends a WebSocket frame before the
  30     # handshake, and more frames afterwards.  It is important that if this
  31     # happens the client does not buffer all the frames as the server continues
  32     # to send more data - it should abort after reading a reasonable number of
  33     # bytes (set arbitrarily to 1024).
  34     frame = stream.create_text_frame('\0Frame-contains-thirty-two-bytes')
  35
  36     msg = frame
  37     msg += 'HTTP/1.1 101 Switching Protocols\r\n'
  38     msg += 'Upgrade: websocket\r\n'
  39     msg += 'Connection: Upgrade\r\n'
  40     msg += 'Sec-WebSocket-Accept: %s\r\n' % compute_accept(request.headers_in['Sec-WebSocket-Key'])[0]
  41     msg += '\r\n'
  42     request.connection.write(msg)
  43     # continue writing data until the client disconnects
  44     while True:
  45         time.sleep(1)
  46         # write over 1024 bytes including the above handshake
  47         numFrames = 1024 / len(frame)
  48         for i in range(0, numFrames):
  49             request.connection.write(frame)
  50
  51
  52 def web_socket_transfer_data(request):
  53     pass