ppcheck.py

   1 #!/usr/bin/env python
   2
   3 import socket
   4 import sys
   5 import threading
   6 import time
   7 import urllib
   8
   9 class ProxyScanner(threading.Thread):
  10     def __init__(self, proxy):
  11         threading.Thread.__init__(self)
  12         self.proxy = proxy
  13     def run(self):
  14         try:
  15             d = urllib.urlencode({ "ppcheck": "ppcheck"}) # Check for POST support.
  16             u = urllib.urlopen(checker, d, { "http": "http://" + self.proxy})
  17         except KeyboardInterrupt:
  18             raise
  19         except:
  20             return
  21         else:
  22             result = u.readline().strip()
  23             if result == "ok":
  24                 print self.proxy
  25
  26 checker = "http://www.example.net/check.cgi" # Use a hostname as some proxies don't do DNS.
  27 numthreads = 100
  28
  29 if len(sys.argv) < 2:
  30     sys.exit()
  31
  32 try:
  33     f = open(sys.argv[1])
  34 except:
  35     print "Couldn't open %s." % sys.argv[1]
  36     sys.exit()
  37
  38 socket.setdefaulttimeout(20)
  39
  40 try:
  41     for l in f:
  42         while threading.activeCount() == numthreads:
  43             time.sleep(2)
  44         thread = ProxyScanner(l.strip())
  45         thread.start()
  46 except KeyboardInterrupt:
  47     sys.exit()
  48
  49 f.close()