undertow-pac4j project is an easy and powerful security library for Undertow web applications which supports authentication and authorization, but also application logout and advanced features like CSRF protection.
It's based on Java 11, Undertow 2 and on the pac4j security engine v5. It's available under the Apache 2 license.
▸ OAuth - SAML - CAS - OpenID Connect - HTTP - Google App Engine - LDAP - SQL - JWT - MongoDB - CouchDB - Kerberos - IP address - Kerberos (SPNEGO) - REST API
▸ Roles / permissions - Anonymous / remember-me / (fully) authenticated - Profile type, attribute - CORS - CSRF - Security headers - IP address, HTTP method
A matcher defines whether the
SecurityFilter must be applied and can be used for additional web processing
SecurityHandler protects an url by checking that the user is authenticated and that the authorizations are valid, according to the clients and authorizers configuration. If the user is not authenticated, it performs authentication for direct clients or starts the login process for indirect clients
CallbackHandler finishes the login process for an indirect client
LogoutHandler logs out the user from the application and triggers the logout at the identity provider level.
The demo webapp: undertow-pac4j-demo is available for tests and implement many authentication mechanisms: Facebook, Twitter, form, basic auth, CAS, SAML, OpenID Connect, JWT...
See the migration guide as well.