…ied. This results in a bug when having X-Forwarded-Proto as https and X-Forwarded-Port not specified. It will produce a URL with https and port 80 appended at the end. This bug is prevelant on the most current App Engine Java Flexible environment. It specified the scheme, but no port which causes the code to fail and redirect to a non-existant url.

… if you were using non-proxied https, it would force you to use http. Now it will default to whatever scheme you currently are using.

…cialAuthenticationService. Add Oath2 proxy fix to Oath1 implementation. Fixes spring-attic#261.

…If you were using non-proxied https, it would force you to use http. Now it will default to whatever scheme you currently are using.