added filter for proxy forwarding

ipinfo/tools.py

@@ -8,12 +8,19 @@ from collections import OrderedDict
 import json
 
 
+import settings
+
+
 def get_ip(request):
     """
     gets an ip address, based on a request.
     Filters for reverse proxies
     """
-    return request.remote_addr
+
+    # taken from http://stackoverflow.com/a/22936947
+    route = request.access_route + [request.remote_addr]
+    return next((addr for addr in reversed(route)
+                 if addr not in settings.TRUSTED_PROXIES), request.remote_addr)
 
 
 def guess_format(request):