From d6d08db0dd16f4a4a93b69ecf1c5948f375335b0 Mon Sep 17 00:00:00 2001
From: José Padilla
Date: Sun, 11 Jan 2015 10:55:56 -0400
Subject: Fix ident format when using HTTP_X_FORWARDED_FOR

If NUM_PROXIES setting is set to None,
HTTP_X_FORWARDED_FOR might be used as is, which
might contain spaces and cause errors on
cache backends like memcached.

---
 rest_framework/throttling.py | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

(limited to 'rest_framework')

diff --git a/rest_framework/throttling.py b/rest_framework/throttling.py
index 361dbddf..7dfe2f96 100644
--- a/rest_framework/throttling.py
+++ b/rest_framework/throttling.py
@@ -35,7 +35,7 @@ class BaseThrottle(object):
             client_addr = addrs[-min(num_proxies, len(xff))]
             return client_addr.strip()
 
-        return xff if xff else remote_addr
+        return ''.join(xff.split()) if xff else remote_addr
 
     def wait(self):
         """
@@ -173,12 +173,6 @@ class AnonRateThrottle(SimpleRateThrottle):
         if request.user.is_authenticated():
             return None  # Only throttle unauthenticated requests.
 
-        ident = request.META.get('HTTP_X_FORWARDED_FOR')
-        if ident is None:
-            ident = request.META.get('REMOTE_ADDR')
-        else:
-            ident = ''.join(ident.split())
-
         return self.cache_format % {
             'scope': self.scope,
             'ident': self.get_ident(request)
-- 
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