Édouard Hue 3c1472501f Fixed validation in ClientRegistration.Builder
ClientRegistration.Builder defaulted to validating as an
authorization_code registration, though a custom grant type could be in
use. The actual grant_type is now verified for every case.
 - Fixed validation in ClientRegistration.Builder
 - New test that fails unless the issue is fixed.

Also made OAuth2AuthorizationGrantRequestEntityUtils public to help
implementing custom token response clients.

Fixes gh-7040
2019-07-03 16:07:19 -05:00
..
2019-06-28 15:12:00 -06:00