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Legacy File(s): conf/handler.xml, login.jsp, others

Current File(s): conf/authn/*, views/login.vm

Format: Native Spring

Authentication has been substantially redesigned in 3.0 to make customization easier and add more capability, but significant compatibility has been maintained when using JAAS (UsernamePassword) or container-based (RemoteUser) authenticaton.

The files in conf/authn/ collectively configure authentication generally, and the specific mechanisms that are built-in to the software. Authentication is heavily Web Flow-based; selection of the mechanism to invoke and each individual mechanism are implemented as flows.

Authentication flows are the equivalent to 2.x LoginHandler plugins and these flows are better integrated into the overall IdP architecture and make use of Web Flow's support for views and state transitions instead of the servlet-based design of 2.x.

More comprehensive support for complex mechanism selection criteria has been implemented; assuming prior configuration, all of the SAML operators (exact, minimum, maximum, better) for requesting authentication context types are now supported.

Compatibility Notes

The 2.x handler.xml file that defined login handlers and authentication "methods" is no longer supported. Compatibiliy is provided instead for specific aspects of integrating authentication with the local environment.

If the 2.x "UsernamePassword" login handler is used, the 3.0 equivalent is the "authn/JAAS" flow, and the same JAAS configuration can of course be used. By convention this configuration is placed in conf/authn/jaas.config and the legacy "ShibUserPassAuth" login configuration name is used (though this can be changed). Unlike 2.x, the UI for password-based login is no longer strictly JSP-based, but is now a Web Flow view, which can be Velocity or JSP. Using an older login.jsp file will generally require some changes.

If the 2.x "RemoteUser" login handler is used, the 3.0 equivalent is the "authn/RemoteUser" flow, and for compatibility this has been architected to use the same protected endpoint (/Authn/RemoteUser) as in 2.x. This allows for reuse of existing container authentication configuration.

In most cases, existing relying-party.xml defaultAuthenticationMethod settings will result in the expected login flows running, once the flow to use for password-based authentication is established. Generally this will require setting an to activate the right flow(s) (see below).

So in short, activate flows with the "idp.authn.flows" property, transfer JAAS or web.xml and container configuration over, and you should have basic compatibility working, apart from the actual login UI for JAAS-based authentication.

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