Updated access token view to return a JWT as an access token

The JWT includes the user email and username, along with details pulled from the original access token (e.g. scope, expiration).

ECOM-4221

lms/djangoapps/ccx/api/v0/tests/test_views.py

@@ -111,8 +111,10 @@ class CcxRestApiTest(CcxTestCase, APITestCase):
         token_resp = self.client.post('/oauth2/access_token/', data=token_data)
         self.assertEqual(token_resp.status_code, status.HTTP_200_OK)
         token_resp_json = json.loads(token_resp.content)
-        self.assertIn('access_token', token_resp_json)
-        return 'Bearer {0}'.format(token_resp_json.get('access_token'))
+        return '{token_type} {token}'.format(
+            token_type=token_resp_json['token_type'],
+            token=token_resp_json['access_token']
+        )
 
     def expect_error(self, http_code, error_code_str, resp_obj):
         """

lms/djangoapps/ccx/api/v0/views.py

@@ -17,6 +17,7 @@ from rest_framework_oauth.authentication import OAuth2Authentication
 
 from ccx_keys.locator import CCXLocator
 from courseware import courses
+from edx_rest_framework_extensions.authentication import JwtAuthentication
 from instructor.enrollment import (
     enroll_email,
     get_email_params,
@@ -361,7 +362,7 @@ class CCXListView(GenericAPIView):
                 ]
     }
     """
-    authentication_classes = (OAuth2Authentication, SessionAuthentication,)
+    authentication_classes = (JwtAuthentication, OAuth2Authentication, SessionAuthentication,)
     permission_classes = (IsAuthenticated, permissions.IsMasterCourseStaffInstructor)
     serializer_class = CCXCourseSerializer
     pagination_class = CCXAPIPagination
@@ -599,7 +600,7 @@ class CCXDetailView(GenericAPIView):
             response is returned.
     """
 
-    authentication_classes = (OAuth2Authentication, SessionAuthentication,)
+    authentication_classes = (JwtAuthentication, OAuth2Authentication, SessionAuthentication,)
     permission_classes = (IsAuthenticated, permissions.IsCourseStaffInstructor)
     serializer_class = CCXCourseSerializer