From 5269d8277a0c2d6b78749dc86f3f903397ae5f71 Mon Sep 17 00:00:00 2001
From: Daniel Lindsley <daniel@toastdriven.com>
Date: Fri, 10 May 2013 15:09:58 -0700
Subject: Fixed a bug where URIs were properly canonicalized in Sig V4
 signatures.

---
 boto/auth.py | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'boto/auth.py')

diff --git a/boto/auth.py b/boto/auth.py
index c5ff8fe8..43177ba3 100644
--- a/boto/auth.py
+++ b/boto/auth.py
@@ -32,13 +32,14 @@ import boto.auth_handler
 import boto.exception
 import boto.plugin
 import boto.utils
+import copy
+import datetime
+from email.utils import formatdate
 import hmac
+import os
 import sys
-import urllib
 import time
-import datetime
-import copy
-from email.utils import formatdate
+import urllib
 
 from boto.auth_handler import AuthHandler
 from boto.exception import BotoClientError
@@ -375,7 +376,11 @@ class HmacAuthV4Handler(AuthHandler, HmacKeys):
         return ';'.join(l)
 
     def canonical_uri(self, http_request):
-        return http_request.auth_path
+        # Normalize the path.
+        normalized = os.path.normpath(http_request.auth_path)
+        # Then urlencode whatever's left.
+        encoded = urllib.quote(normalized)
+        return encoded
 
     def payload(self, http_request):
         body = http_request.body
-- 
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