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Parse.com - allow only one session per user

I have an App on Parse platform. What I need:

  1. The User logs in on first device.
  2. The User logs in on second device.
  3. System revokes session on the first device.

I tried to remove objects from Session/Installation classes, but it did not help. How can I do it?

Solution

  • Achieving this is not quite straightforward as there is no way to intercept login events or write cloud code triggers for Parse Session class. If you delete a client session record from the Session table, it should certainly revoke it and you end up getting authentication errors on that client. To achieve what you want, you need to write your own cloud function that logs a user in instead of using the SDK login function. That way you can first go through the Session table and revoke/delete any session associated with that user before logging in your user on the new device.