FilterInvocation should support getDispatcherType()

[chrylis]

Describe the bug
The core HttpSecurity builder supports dispatcherTypeMatchers, but FilterInvocation throws UnsupportedOperationException if they are invoked.

During an upgrade of an older Boot Servlet project, I ran into the problem where the Spring Boot /error mapping is no longer allowed by default, at least for 403 errors. I tried the suggested resolution of adding dispatcherTypeMatchers(ERROR).permitAll() to my SecurityFilterChain bean. This throws an exception in 5.7.11 (the default with the last Boot 2.7) and 5.8.12.

The problem appears to be that DefaultWebInvocationPrivilegeEvaluator uses a DummyRequest instead of the real request but does not implement core API methods; many/most other methods were supported as part of #8566.

To Reproduce

1. Register dispatcherTypeMatchers(ERROR).permitAll() in a SecurityFilterChain.
2. Make a request that triggers a 403 response as an unauthenticated user. (AnonymousAuthenticationToken)

Expected behavior
The matcher permits the error page to proceed.

Actual behavior

2024-05-10T18:43:15,654Z [http-nio-5000-exec-1] ERROR o.a.c.c.C.[Tomcat].[localhost] - Exception Processing ErrorPage[errorCode=0, location=/error]
java.lang.UnsupportedOperationException: public abstract javax.servlet.DispatcherType javax.servlet.ServletRequest.getDispatcherType() is not supported
	at org.springframework.security.web.FilterInvocation$UnsupportedOperationExceptionInvocationHandler.invoke(FilterInvocation.java:331)
	at com.sun.proxy.$Proxy84.getDispatcherType(Unknown Source)
	at javax.servlet.ServletRequestWrapper.getDispatcherType(ServletRequestWrapper.java:449)
	at org.springframework.security.web.util.matcher.DispatcherTypeRequestMatcher.matches(DispatcherTypeRequestMatcher.java:72)
	at org.springframework.security.web.access.intercept.DefaultFilterInvocationSecurityMetadataSource.getAttributes(DefaultFilterInvocationSecurityMetadataSource.java:84)
	at org.springframework.security.web.access.DefaultWebInvocationPrivilegeEvaluator.isAllowed(DefaultWebInvocationPrivilegeEvaluator.java:94)
	at org.springframework.security.web.access.DefaultWebInvocationPrivilegeEvaluator.isAllowed(DefaultWebInvocationPrivilegeEvaluator.java:69)
	at org.springframework.security.web.access.RequestMatcherDelegatingWebInvocationPrivilegeEvaluator.isAllowed(RequestMatcherDelegatingWebInvocationPrivilegeEvaluator.java:76)
	at org.springframework.boot.web.servlet.filter.ErrorPageSecurityFilter.isAllowed(ErrorPageSecurityFilter.java:88)
	at org.springframework.boot.web.servlet.filter.ErrorPageSecurityFilter.doFilter(ErrorPageSecurityFilter.java:76)
	at org.springframework.boot.web.servlet.filter.ErrorPageSecurityFilter.doFilter(ErrorPageSecurityFilter.java:70)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:352)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:108)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:361)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:361)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:91)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:361)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)

[tehhowch]

just ran into this myself!

Using 5.8.12 with latest Spring Boot 2.7

[marcusdacoregio]

Thanks for the report @chrylis, do you have a minimal, reproducible sample that we can try it out? I'd like to see how exactly the WebInvocationPrivilegeEvaluator is invoked since it does not have access to the whole HttpServletRequest.

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