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		2022-01-23 15:52:58 +01:00
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challenges	Add password challenge to 2FA settings, e-mail notifications (#11878)	2019-09-18 16:37:27 +02:00
confirmations	Change unconfirmed user login behaviour (#11375)	2019-07-22 10:48:50 +02:00
passwords	Add client-side validation in password change forms (#14564)	2020-08-12 12:11:15 +02:00
registrations	Add authentication history (#16408)	2021-06-21 17:07:30 +02:00
sessions	Add OMNIAUTH_ONLY environment variable to enforce externa log-in (#17288)	2022-01-23 15:52:58 +01:00
setup	Change account deletion page to have better explanations (#11753)	2019-09-04 04:13:54 +02:00
shared	Add OMNIAUTH_ONLY environment variable to enforce externa log-in (#17288)	2022-01-23 15:52:58 +01:00