We have to integrate CAS with MediaWiki using OpenId Connect and MediaWiki extensions: PluggableAuth, OpenID Connect
Notes:
- https://apereo.github.io/cas/6.5.x/authentication/OIDC-Authentication.html - server side doc
- https://www.mediawiki.org/wiki/Extension:PluggableAuth
- https://www.mediawiki.org/wiki/Extension:OpenID_Connect - MediaWiki extension configuration