OIDC Response Type Assistance

[Henri Mikkonen]

Hi Ryan,

The section 3 of OIDC core [1] specification contains a table that 
describes how response_type values maps to flows. There you can see that 
'code', 'id_token' and 'code id_token' are 3 different values.

> |WARN 
> [net.shibboleth.idp.plugin.oidc.op.oauth2.profile.impl.ValidateResponseType:136] - Profile Action ValidateResponseType: The response type code id_token is not registered for this RP|

According to the log snippet, your RP seems to be requesting 'code 
id_token', but only 'code' and 'id_token' are registered in the metadata.

BR,
Henri.

[1] https://openid.net/specs/openid-connect-core-1_0.html#Authentication