pac4j is an easy and powerful security framework for Java to authenticate users, get their profiles and manage authorizations in order to secure web applications and web services.

It provides a comprehensive set of concepts and components. It is available for most frameworks/tools and supports most authentication/authorization mechanisms. It is licensed under the Apache 2 license.

JDK	pac4j	Usage of Lombok
17	v6.x	Yes
11	v5.x	No
8	v4.x	No

Available implementations (Get started by clicking on your framework):

JEE • Spring Web MVC (Spring Boot) • Spring Webflux (Spring Boot) • Apache Shiro • Spring Security (Spring Boot)

CAS server • Syncope • Apache Knox

Play 2.x • Vertx • Spark Java • Ratpack • JAX-RS • Dropwizard

Javalin • Pippo • Undertow • Lagom • Akka HTTP • Jooby

Authentication mechanisms:

OAuth (Facebook, Twitter, Google...) - SAML - CAS - OpenID Connect - HTTP - Google App Engine - Kerberos (SPNEGO/Negotiate)

LDAP - SQL - JWT - MongoDB - CouchDB - IP address - REST API

Authorization mechanisms:

Roles - Anonymous/remember-me/(fully) authenticated - Profile type, attribute

CORS - CSRF - Security headers - IP address, HTTP method

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Versions

The latest released version is the , available in the Maven central repository. The next version is under development.

Read the documentation for more information.

Need help?

You can use the mailing lists or the commercial support.

Supported by

The CAS and pac4j consulting company