third_party/WebKit/LayoutTests/http/tests/websocket/invalid-encode-length_wsh.py

   1 import re
   2 import struct
   3 from mod_pywebsocket import common
   4
   5
   6 def web_socket_do_extra_handshake(request):
   7     pass
   8
   9
  10 def web_socket_transfer_data(request):
  11     match = re.search(r'\?case=(\d+_\d+)$', request.ws_resource)
  12     if match is None:
  13         msgutil.send_message(request, 'FAIL: Query value is incorrect or missing')
  14         return
  15
  16     payload_length, extended_length = (match.group(1)).split('_', 1)
  17     payload_length = int(payload_length)
  18     extended_length = int(extended_length)
  19
  20     # pywebsocket refuses to create a frame with error encode length.
  21     # Thus, we need to build a frame manually.
  22     header = chr(0x80 | common.OPCODE_TEXT)  # 0x80 is for "fin" bit.
  23     # No Mask and two bytes extended payload length.
  24     header += chr(payload_length)
  25     if payload_length == 126:
  26         header += struct.pack('!H', extended_length)
  27     elif payload_length == 127:
  28         header += struct.pack('!Q', extended_length)
  29     else:
  30         msgutil.send_message(request, 'FAIL: Query value is incorrect or missing')
  31         return
  32     request.connection.write(header)
  33     request.connection.write('X' * extended_length)