Two separate UserDetailsService Implementations

Question

Is it possible to have to have UserDetailsService implementations in a single web application ? To be more precise, my requirement is I have a Servlet which listens to http POST

Answer 1

I am not sure how nested authentication may be implemented with Spring Security. But you can have two separate UserDetailsService implementations. Consider case when you have two types of URLs /** and /admin/**, and they can be used by two separate groups of users. Starting from Spring Security 3.1 you can use multiple http tags (see corresponding documentation):

    
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You can even declare different entry points for each http tag using entry-point-ref attribute.