{% try %}{% set xsrf = handler.check_xsrf_cookie() or True %}{% except %}{% set xsrf = False %}{% end %} {% if handler.request.method not in {'GET', 'HEAD', 'OPTIONS'} and not xsrf %} Your app sent a {{ handler.request.method }} request without an XSRF cookie. {% elif handler.current_user %} You are logged in, but as a user that cannot access this page. {% else %} You are not logged in. {% end %}
Contact the app owner.
HTTP 403: Forbidden