qwebirc/root.py

   1 from twisted.protocols.policies import TimeoutMixin
   2 from twisted.web import resource, server, static, http
   3 from twisted.internet import error, reactor
   4 import engines
   5 import mimetypes
   6 import config
   7 import sigdebug
   8 import re
   9
  10 class RootResource(resource.Resource):
  11   def getChild(self, name, request):
  12     if name == "":
  13       name = "qui.html"
  14     return self.primaryChild.getChild(name, request)
  15
  16 class ProxyRequest(server.Request):
  17   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)
  18   def validIP(self, ip):
  19     m = self.ip_re.match(ip)
  20     if m is None:
  21       return False
  22     return True
  23
  24   def getClientIP(self):
  25     real_ip = http.Request.getClientIP(self)
  26     if real_ip not in config.FORWARDED_FOR_IPS:
  27       return real_ip
  28
  29     fake_ips = self.getHeader(config.FORWARDED_FOR_HEADER)
  30     if fake_ips is None:
  31       return real_ip
  32
  33     fake_ip = fake_ips.split(",")[-1].strip()
  34     if not self.validIP(fake_ip):
  35       return real_ip
  36
  37     return fake_ip
  38
  39 class HTTPChannel(http.HTTPChannel):
  40   def timeoutConnection(self):
  41     self.transport.abortConnection()
  42
  43 class RootSite(server.Site):
  44   protocol = HTTPChannel
  45
  46   if hasattr(config, "FORWARDED_FOR_HEADER"):
  47     requestFactory = ProxyRequest
  48
  49   def __init__(self, path, *args, **kwargs):
  50     root = RootResource()
  51     kwargs["timeout"] = config.HTTP_REQUEST_TIMEOUT
  52     server.Site.__init__(self, root, *args, **kwargs)
  53     services = {}
  54     services["StaticEngine"] = root.primaryChild = engines.StaticEngine(path)
  55
  56     def register(service, path, *args, **kwargs):
  57       sobj = service("/" + path, *args, **kwargs)
  58       services[service.__name__] = sobj
  59       root.putChild(path, sobj)
  60
  61     register(engines.AJAXEngine, "e")
  62     try:
  63       register(engines.WebSocketEngine, "w")
  64     except AttributeError:
  65       pass
  66     register(engines.FeedbackEngine, "feedback")
  67     register(engines.AuthgateEngine, "auth")
  68     register(engines.AdminEngine, "adminengine", services)
  69
  70 mimetypes.types_map[".ico"] = "image/vnd.microsoft.icon"