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mastodon/app/controllers/auth
Claire bddd9ba36d
Add OMNIAUTH_ONLY environment variable to enforce externa log-in (#17288)
* Remove support for OAUTH_REDIRECT_AT_SIGN_IN

Fixes #15959

Introduced in #6540, OAUTH_REDIRECT_AT_SIGN_IN allowed skipping the log-in form
to instead redirect to the external OmniAuth login provider.

However, it did not prevent the log-in form on /about introduced by #10232 from
appearing, and completely broke with the introduction of #15228.

As I restoring that previous log-in flow without introducing a security
vulnerability may require extensive care and knowledge of how OmniAuth works,
this commit removes support for OAUTH_REDIRECT_AT_SIGN_IN instead for the time
being.

* Add OMNIAUTH_ONLY environment variable to enforce external log-in only

* Disable user registration when OMNIAUTH_ONLY is set to true

* Replace log-in links When OMNIAUTH_ONLY is set with exactly one OmniAuth provider
3 years ago
..
challenges_controller.rb Add password challenge to 2FA settings, e-mail notifications (#11878) 5 years ago
confirmations_controller.rb Change confirmations controller to redirect to / for approved users (#16151) 4 years ago
omniauth_callbacks_controller.rb Fix undefined variable for Auth::OmniauthCallbacksController (#16654) 4 years ago
passwords_controller.rb Fix reviving revoked sessions and invalidating login (#16943) 3 years ago
registrations_controller.rb Add OMNIAUTH_ONLY environment variable to enforce externa log-in (#17288) 3 years ago
sessions_controller.rb Remove support for OAUTH_REDIRECT_AT_SIGN_IN (#17287) 3 years ago
setup_controller.rb Change unconfirmed user login behaviour (#11375) 6 years ago