Automatically log users out of Django and update the backend after a period of inactivity without requiring any additional requests

In my Django project, I am working on a simple multiplayer system where I need to update the isCurrentlyActive value in a user-related model automatically and then log them out. I tried using middleware following a solution from this post, which works well but requires the user to refresh or send a request to trigger the update. For my project, I need the backend to handle the updates without any action required from the user's end.

I have come across solutions like using Celery and django-auto-logout, but they seem too complex for what I need. Can anyone suggest a simpler way to achieve this automatic updating and logging out of users?

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Answer №1

An effective approach to managing this situation is by utilizing sessions, which are specifically designed for this purpose: https://docs.djangoproject.com/en/4.2/topics/http/sessions/

In principle, setting the session expiry should suffice: https://docs.djangoproject.com/en/4.2/topics/http/sessions/#django.contrib.sessions.backends.base.SessionBase.set_expiry

When handling this manually, the nature of how HTTP operates means that activity can only be tracked through requests sent to the backend. This necessitates the use of middleware, which acts as a wrapper for any request being made. The middleware required would need to monitor the date and time of the user's last HTTP request.

To automatically expire sessions from the backend, implementing a scheduled task such as Celery to check the timestamp of the last request can help enforce logout after surpassing the maximum timeout period. However, with an increasing number of users, running numerous scheduled tasks that heavily query the system may not provide significant benefits in the long run.

Despite these considerations, relying on sessions and session timeouts appears to offer a cleaner solution for achieving your objectives.

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