gistfile1.py

#!/usr/bin/env python
import SocketServer
import SimpleHTTPServer
import urllib
import urllib2
import urlparse
import re

class EliProxy(SimpleHTTPServer.SimpleHTTPRequestHandler):
    def do_POST(self):
        headers = dict(self.headers)
        post_data = self.rfile.read(int(headers["content-length"]))

        # Forward POST data to remote server
        req = urllib2.Request(self.path, post_data, headers)
        rfile = urllib2.urlopen(req)

        # Modify responses for one specific domain (lightly obfuscated) and path
        split_url = urlparse.urlsplit(self.path)
        if split_url.netloc[::-1] == 'ten.setisbeweruza.emaghsalf' and split_url.path == '/Level.aspx':
            response = rfile.read()
            response = re.sub("Human(Run|Aim)Speed='[\d\.]+'", "Human\g<1>Speed='1'", response)
            self.wfile.write(response)
        else:
            self.copyfile(rfile, self.wfile)

    # Forward GET requests to remote server, unaltered
    def do_GET(self):
        self.copyfile(urllib.urlopen(self.path), self.wfile)

httpd = SocketServer.ForkingTCPServer(('', 8080), EliProxy)
httpd.serve_forever()