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CAS documentation has moved over to apereo.github.io/cas, starting with CAS version 4.x. The wiki will no longer be maintained. For the most recent version of the documentation, please refer to the aforementioned link. |
What is pac4j ?
pac4j is an open source project : https://github.com/leleuj/pac4j.
It's a Profile & Authentication Client for Java. It targets all the protocols supporting the following mechanism :
- From the client application, redirect the user to the "provider" for authentication (HTTP 302)
- After successful authentication, redirect back the user from the "provider" to the client application (HTTP 302) and get the user credentials
- With these credentials, get the profile of the authenticated user (direct call from the client application to the "provider").
It has a very simple and unified API to support these 4 protocols on client side :
- OAuth (1.0 & 2.0)
- CAS (1.0, 2.0, SAML, logout & proxy)
- HTTP (form & basic auth authentications)
- OpenID.
It's available under the Apache 2 license.
If you have any question, please use the following mailing lists : https://groups.google.com/forum/?hl=en#!forum/pac4j-users or https://groups.google.com/forum/?hl=en#!forum/pac4j-dev.
What is cas-server-support-pac4j ?
Since CAS server 4.0, cas-server-support-pac4j is a new Maven module for the CAS server. It's based on the pac4j library and adds CAS/OpenID/OAuth client support to the CAS server : authentication can be delegated through a link on the login page to a CAS, OpenID or OAuth provider.
Before CAS server 4.0, the OAuth client support was in the cas-server-support-oauth module.
| cas-server-support-pac4j module version | based on pac4j version | New features |
|---|---|---|
| 4.0 | 1.4.0 | Compared to the cas-server-support-oauth module (version 3.5.2) :
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Configuration for the CAS/OAuth/OpenID client support in CAS server version >= 4.0.0