1 files changed, 7 insertions, 7 deletions
diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index 9caca788..10298027 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -3,14 +3,13 @@ Provides various authentication policies.
 """
 from __future__ import unicode_literals
 import base64
-from datetime import datetime
 
 from django.contrib.auth import authenticate
 from django.core.exceptions import ImproperlyConfigured
 from rest_framework import exceptions, HTTP_HEADER_ENCODING
 from rest_framework.compat import CsrfViewMiddleware
 from rest_framework.compat import oauth, oauth_provider, oauth_provider_store
-from rest_framework.compat import oauth2_provider
+from rest_framework.compat import oauth2_provider, provider_now
 from rest_framework.authtoken.models import Token
 
 
@@ -230,8 +229,9 @@ class OAuthAuthentication(BaseAuthentication):
         try:
             consumer_key = oauth_request.get_parameter('oauth_consumer_key')
             consumer = oauth_provider_store.get_consumer(request, oauth_request, consumer_key)
-        except oauth_provider.store.InvalidConsumerError as err:
-            raise exceptions.AuthenticationFailed(err)
+        except oauth_provider.store.InvalidConsumerError:
+            msg = 'Invalid consumer token: %s' % oauth_request.get_parameter('oauth_consumer_key')
+            raise exceptions.AuthenticationFailed(msg)
 
         if consumer.status != oauth_provider.consts.ACCEPTED:
             msg = 'Invalid consumer key status: %s' % consumer.get_status_display()
@@ -319,9 +319,9 @@ class OAuth2Authentication(BaseAuthentication):
 
         try:
             token = oauth2_provider.models.AccessToken.objects.select_related('user')
-            # TODO: Change to timezone aware datetime when oauth2_provider add
-            # support to it.
-            token = token.get(token=access_token, expires__gt=datetime.now())
+            # provider_now switches to timezone aware datetime when
+            # the oauth2_provider version supports to it.
+            token = token.get(token=access_token, expires__gt=provider_now())
         except oauth2_provider.models.AccessToken.DoesNotExist:
             raise exceptions.AuthenticationFailed('Invalid token')