Method: flask.sessions.SessionInterface.get_cookie_domain
Calls: 346, Exceptions: 0, Paths: 1Back
Path 1: 346 calls (1.0)
Flask (342) test_session_dynamic_cookie_name.
None (344) '.example.com' (2)
1def get_cookie_domain(self, app: Flask) -> str | None:
2 """The value of the ``Domain`` parameter on the session cookie. If not set,
3 browsers will only send the cookie to the exact domain it was set from.
4 Otherwise, they will send it to any subdomain of the given value as well.
5
6 Uses the :data:`SESSION_COOKIE_DOMAIN` config.
7
8 .. versionchanged:: 2.3
9 Not set by default, does not fall back to ``SERVER_NAME``.
10 """
11 rv = app.config["SESSION_COOKIE_DOMAIN"]
12 return rv if rv else None