Builds the realm's openid_relying_party metadata for its Entity
Configuration, its redirect_uris the assertion consumer service of every
relationship that trusts an OP through the federation.
Parameters
req: any
the request, for the realm's base URL
Returns any
the metadata, or null where no enabled relationship needs it
Builds the realm's
openid_relying_partymetadata for its Entity Configuration, itsredirect_uristhe assertion consumer service of every relationship that trusts an OP through the federation.