mod_auth_openidc is an authentication/authorization module for the Apache 2.x
HTTP server that functions as an OpenID Connect Relying Party, authenticating
users against an OpenID Connect Provider. It can also function as an OAuth 2.0
Resource Server, validating OAuth 2.0 access tokens presented by OAuth 2.0
Clients.

WWW: https://github.com/pingidentity/mod_auth_openidc/