Ticket #5897: middleware.common.patch

common.py

@@ -88 +88 @@
             else:
                 response['ETag'] = etag
 
+        # Add the Content-Length header to the response if not already set
+        if response.status_code == 200 and not response.has_header('Content-Length'):
+            response['Content-Length'] = str(len(response.content))
+
         return response
 
 def _is_ignorable_404(uri):