qwebirc/root.py

   1 from twisted.web import resource, server, static, http
   2 from twisted.internet import error, reactor
   3 import engines
   4 import mimetypes
   5 import config
   6 import sigdebug
   7 import re
   8
   9 class RootResource(resource.Resource):
  10   def getChild(self, name, request):
  11     if name == "":
  12       name = "qui.html"
  13     return self.primaryChild.getChild(name, request)
  14
  15 class ProxyRequest(server.Request):
  16   ip_re = re.compile(r"^((25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})|(::|(([a-fA-F0-9]{1,4}):){7}(([a-fA-F0-9]{1,4}))|(:(:([a-fA-F0-9]{1,4})){1,6})|((([a-fA-F0-9]{1,4}):){1,6}:)|((([a-fA-F0-9]{1,4}):)(:([a-fA-F0-9]{1,4})){1,6})|((([a-fA-F0-9]{1,4}):){2}(:([a-fA-F0-9]{1,4})){1,5})|((([a-fA-F0-9]{1,4}):){3}(:([a-fA-F0-9]{1,4})){1,4})|((([a-fA-F0-9]{1,4}):){4}(:([a-fA-F0-9]{1,4})){1,3})|((([a-fA-F0-9]{1,4}):){5}(:([a-fA-F0-9]{1,4})){1,2})))$", re.IGNORECASE)
  17   def validIP(self, ip):
  18     m = self.ip_re.match(ip)
  19     if m is None:
  20       return False
  21     return True
  22
  23   def getClientIP(self):
  24     real_ip = http.Request.getClientIP(self)
  25     if real_ip not in config.FORWARDED_FOR_IPS:
  26       return real_ip
  27
  28     fake_ips = self.getHeader(config.FORWARDED_FOR_HEADER)
  29     if fake_ips is None:
  30       return real_ip
  31
  32     fake_ip = fake_ips.split(",")[-1].strip()
  33     if not self.validIP(fake_ip):
  34       return real_ip
  35
  36     return fake_ip
  37
  38 class RootSite(server.Site):
  39   protocol = http.HTTPChannel
  40
  41   if hasattr(config, "FORWARDED_FOR_HEADER"):
  42     requestFactory = ProxyRequest
  43
  44   def __init__(self, path):
  45     root = RootResource()
  46     server.Site.__init__(self, root, timeout=5)
  47     services = {}
  48     services["StaticEngine"] = root.primaryChild = engines.StaticEngine(path)
  49
  50     def register(service, path, *args, **kwargs):
  51       sobj = service("/" + path, *args, **kwargs)
  52       services[service.__name__] = sobj
  53       root.putChild(path, sobj)
  54
  55     register(engines.AJAXEngine, "e")
  56     try:
  57       register(engines.WebSocketEngine, "w")
  58     except AttributeError:
  59       pass
  60     register(engines.FeedbackEngine, "feedback")
  61     register(engines.AuthgateEngine, "auth")
  62     register(engines.AdminEngine, "adminengine", services)
  63
  64 mimetypes.types_map[".ico"] = "image/vnd.microsoft.icon"