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If you do need to modify its behaviour, the configuration for the default metadata resolver could can be found in /conf/authn/oidc-rp-providermetadata-resolvers.xml. Note, that the resolver configuration here differs from that for normal SAML Metadata resolvers. The maxCacheDuration defines how long the metadata remains valid before it expires and is re-fetched. Unlike SAML Metadata, the OIDC Provider metadata does not explicitly define cacheDuration or validUntil settings. An example config is given below:
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If required, a well-known location composition strategy can be set for the resolver by defining a BiFunction bean named shibboleth.authn.oidc.rp.WellKnownLocationCompositionStrategy which accepts a Nimbus Issuer and a string well-known path, and returns the Issuer location.
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