Fix auth_time validation
#626
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Changes
This PR fixes the validation of the
auth_timeclaim when performing ID Token validation.The spec specifies:
So it should error when now > last auth time + max age + leeway. Currently, it was succeeding in that case.
References
Fixes #609
Closes #610
Android implementation: https://github.com/auth0/Auth0.Android/blob/cd9ba7460a4992aa804b940656d16977e743a347/auth0/src/main/java/com/auth0/android/provider/IdTokenVerifier.java#L96-L111
Testing
Besides adding unit tests, the changes were tested manually with an iPhone simulator running iOS 14.5, using Xcode 13.2.1 (13C100)
Checklist