betodealmeida commented on a change in pull request #5524: A tagging system for 
dashboards, charts and queries
URL: 
https://github.com/apache/incubator-superset/pull/5524#discussion_r207615765
 
 

 ##########
 File path: superset/assets/src/dashboard/components/Header.jsx
 ##########
 @@ -6,12 +6,21 @@ import HeaderActionsDropdown from './HeaderActionsDropdown';
 import EditableTitle from '../../components/EditableTitle';
 import Button from '../../components/Button';
 import FaveStar from '../../components/FaveStar';
+import ObjectTags from '../../components/ObjectTags';
 import UndoRedoKeylisteners from './UndoRedoKeylisteners';
+import {
+  addTag,
+  deleteTag,
+  fetchSuggestions,
+  fetchTags,
+} from '../../welcome/Tags';
 
 import { chartPropShape } from '../util/propShapes';
 import { t } from '../../locales';
 import { UNDO_LIMIT, SAVE_TYPE_OVERWRITE } from '../util/constants';
 
+const CSRF_TOKEN = (document.getElementById('csrf_token') || {}).value;
 
 Review comment:
   @mistercrunch, I'm not sure how to avoid doing this. It seems to be in line 
with [the docs for CSRF in 
Flask](http://flask-wtf.readthedocs.io/en/stable/csrf.html#javascript-requests):
 the token is only present in the DOM if the user is authenticated (since it's 
added by the template), so my understanding is that it should be fine. And the 
token is already there in the DOM at this point, assigning it to `CSRF_TOKEN` 
here is just a shortcut.
   
   I looked at other AJAX requests in Superset. They're using jQuery after 
calling `initJQueryAjax`, which also loads the token into a `$.settings` so it 
can be reused in all subsequent requests.

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