Banning Feed Reader Background app, as it's causing a ton of bogus requests.

apps/profile/middleware.py

@@ -3,10 +3,11 @@ import re
 import random
 import time
 from utils import log as logging
+from django.http import HttpResponse
 from django.conf import settings
 from django.db import connection
 from django.template import Template, Context
-
+from utils import json_functions as json
 
 class LastSeenMiddleware(object):
     def process_response(self, request, response):
@@ -175,3 +176,21 @@ class ServerHostnameMiddleware:
 class TimingMiddleware:
     def process_request(self, request):
         setattr(request, 'start_time', time.time())
+
+BANNED_USER_AGENTS = (
+    'feed reader-background',
+    'feed reader-windows',
+)
+class UserAgentBanMiddleware:
+    def process_request(self, request):
+        user_agent = request.environ.get('HTTP_USER_AGENT', 'missing').lower()
+        if any(ua in user_agent for ua in BANNED_USER_AGENTS):
+            data = {
+                'error': 'User agent banned: %s' % user_agent,
+                'code': -1
+            }
+            logging.user(request, "~FB~SN~BBBanned UA: ~SB%s" % (user_agent))
+
+            return HttpResponse(json.encode(data), status=403, mimetype='text/json')
+            
+

apps/profile/models.py

@@ -261,7 +261,10 @@ class Profile(models.Model):
             transaction = PayPalIPN.objects.filter(custom=self.user.username,
                                                    txn_type='subscr_payment')[0]
             refund = paypal.refund_transaction(transaction.txn_id)
+            try:
                 refunded = int(float(refund['raw']['TOTALREFUNDEDAMOUNT'][0]))
+            except KeyError:
+                refunded = int(transaction.amount)
             logging.user(self.user, "~FRRefunding paypal payment: $%s" % refunded)
             self.cancel_premium()
         

settings.py

@@ -103,6 +103,7 @@ MIDDLEWARE_CLASSES = (
     'apps.profile.middleware.TimingMiddleware',
     'apps.profile.middleware.LastSeenMiddleware',
     'apps.profile.middleware.SQLLogToConsoleMiddleware',
+    'apps.profile.middleware.UserAgentBanMiddleware',
     'subdomains.middleware.SubdomainMiddleware',
     'apps.profile.middleware.SimpsonsMiddleware',
     'apps.profile.middleware.ServerHostnameMiddleware',

utils/ratelimit.py

@@ -4,6 +4,7 @@ from datetime import datetime, timedelta
 import functools
 import hashlib
 
+
 class ratelimit(object):
     "Instances of this class can be used as decorators"
     # This class is designed to be sub-classed
@@ -84,7 +85,6 @@ class ratelimit(object):
         return key
     
     def disallowed(self, request):
-        "Over-ride this method if you want to log incidents"
         return HttpResponse('Rate limit exceeded', status=429)
     
     def expire_after(self):