Jasig CAS 3.5有望为您提供oauth身份验证。截至撰写此答案时尚不可用。但是您可以查看3.5版的候选版本。

Jasig CAS 3.5 will hopefully provide you with oauth authentication. It is not yet available as of writing this answer. But you can check out the release candidate of version 3.5.

在这里看看：
https://wiki.jasig.org/display/CASUM/OAuth+client+support

此处提供3.5 RC1的源：
https://github.com/ Jasig / cas /

The source for 3.5 RC1 is available here: https://github.com/Jasig/cas/

如果您将facebook twitter登录集成到cas的想法是关于将各种登录聚合到一个集中式登录服务中的，那么这应该是正确的选择。

If your idea of integration of facebook twitter logins to cas is all about aggregation of various logins to one centralized login service, then this should be the right thing to look at.