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mastodon/app/controllers/auth
Claire 6da135a493
Fix reviving revoked sessions and invalidating login (#16943)
Up until now, we have used Devise's Rememberable mechanism to re-log users
after the end of their browser sessions. This mechanism relies on a signed
cookie containing a token. That token was stored on the user's record,
meaning it was shared across all logged in browsers, meaning truly revoking
a browser's ability to auto-log-in involves revoking the token itself, and
revoking access from *all* logged-in browsers.

We had a session mechanism that dynamically checks whether a user's session
has been disabled, and would log out the user if so. However, this would only
clear a session being actively used, and a new one could be respawned with
the `remember_user_token` cookie.

In practice, this caused two issues:
- sessions could be revived after being closed from /auth/edit (security issue)
- auto-log-in would be disabled for *all* browsers after logging out from one
  of them

This PR removes the `remember_token` mechanism and treats the `_session_id`
cookie/token as a browser-specific `remember_token`, fixing both issues.
2021-11-06 00:13:58 +01:00
..
challenges_controller.rb Add password challenge to 2FA settings, e-mail notifications (#11878) 2019-09-18 16:37:27 +02:00
confirmations_controller.rb Change confirmations controller to redirect to / for approved users (#16151) 2021-05-03 15:45:19 +02:00
omniauth_callbacks_controller.rb Fix undefined variable for Auth::OmniauthCallbacksController (#16654) 2021-08-25 17:40:56 +02:00
passwords_controller.rb Fix reviving revoked sessions and invalidating login (#16943) 2021-11-06 00:13:58 +01:00
registrations_controller.rb Fix reviving revoked sessions and invalidating login (#16943) 2021-11-06 00:13:58 +01:00
sessions_controller.rb Fix reviving revoked sessions and invalidating login (#16943) 2021-11-06 00:13:58 +01:00
setup_controller.rb Change unconfirmed user login behaviour (#11375) 2019-07-22 10:48:50 +02:00