Adds 2 factor authentication method via second factor security keys over [web authn](https://developer.mozilla.org/en-US/docs/Web/API/Web_Authentication_API).
Allows a user to authenticate a second factor on login, login-via-email, admin-login, and change password routes. Adds registration area within existing user second factor preferences to register multiple security keys. Supports both external (yubikey) and built-in (macOS/android fingerprint readers).
implemented review items.
Blocking previous codes - valid 2-factor auth tokens can only be authenticated once/30 seconds.
I played with updating the “last used” any time the token was attempted but that seemed to be overkill, and frustrating as to why a token would fail.
Translatable texts.
Move second factor logic to a helper class.
Move second factor specific controller endpoints to its own controller.
Move serialization logic for 2-factor details in admin user views.
Add a login ember component for de-duplication
Fix up code formatting
Change verbiage of google authenticator
add controller tests:
second factor controller tests
change email tests
change password tests
admin login tests
add qunit tests - password reset, preferences
fix: check for 2factor on change email controller
fix: email controller - only show second factor errors on attempt
fix: check against 'true' to enable second factor.
Add modal for explaining what 2fa with links to Google Authenticator/FreeOTP
add two factor to email signin link
rate limit if second factor token present
add rate limiter test for second factor attempts
Martin Brennan
Kris
Martin Brennan
Maja Komel
Guo Xiang Tan
Jeff Wong
Arpit Jalan