spring security intercept url roles

Question

In the spring security intercept-url config, if I define a particular role for a particular path, say ROLE_USER, that path should be accessible only if the user has that authority. That makes sense, but if I set the role as ROLE_ANONYMOUS, <intercept-url pattern="/resources/**" access="ROLE_ANONYMOUS"/> shouldn't it be accessible even when the user is authenticated, say when the user has an authority ROLE_USER? But that doesn't happen.

Here is the log

Checking match of request : '/resources/js/test.js'; against '/resources/**'
Secure object: FilterInvocation: URL: /resources/js/test.js; Attributes: [ROLE_ANONYMOUS]
Previously Authenticated:   org.springframework.security.authentication.UsernamePasswordAuthenticationToken***********************************************
Voter: org.springframework.security.access.vote.RoleVoter@1712310, returned: -1

And then i get an access denied exception.I know it works fine if i add <intercept-url pattern="/resources/**" access="ROLE_ANONYMOUS,ROLE_USER"/> in my Http config. But in the above case, is it meant to be like that or am I doing something wrong.

score 2 · Accepted Answer · edited May 23 '17 at 11:45

It's the right way to write:

<intercept-url pattern="/resources/**" access="ROLE_ANONYMOUS,ROLE_USER"/>

You can check the official reference manual chapter about annonymous authentication where you'll see following configuration:

<bean id="filterSecurityInterceptor"
    class="org.springframework.security.web.access.intercept.FilterSecurityInterceptor">
  <property name="authenticationManager" ref="authenticationManager"/>
  <property name="accessDecisionManager" ref="httpRequestAccessDecisionManager"/>
  <property name="securityMetadata">
    <security:filter-security-metadata-source>
      <security:intercept-url pattern='/index.jsp' access='ROLE_ANONYMOUS,ROLE_USER'/>
      <security:intercept-url pattern='/hello.htm' access='ROLE_ANONYMOUS,ROLE_USER'/>
      <security:intercept-url pattern='/logoff.jsp' access='ROLE_ANONYMOUS,ROLE_USER'/>
      <security:intercept-url pattern='/login.jsp' access='ROLE_ANONYMOUS,ROLE_USER'/>
      <security:intercept-url pattern='/**' access='ROLE_USER'/>
    </security:filter-security-metadata-source>" +
  </property>
</bean>

Your understanding of ROLE_ANONYMOUS and ROLE_USER is a bit wrong, read more about them in this answer by Luke Taylor, one of Spring Security's devs.

score 2 · Answer 2 · answered Aug 20 '12 at 12:07

If I remember correctly : no, a resource protected with only access="ROLE_ANONYMOUS" should not be accessible for authenticated users in your case. You have to explicitly tell spring to allow users with "ROLE_USER" to access it. Depending on the version you are using, maybe you should consider using expression-based access control. This way you could make a resource accessible to everyone by just using : access="permitAll()" which IMHO is simpler.

spring security intercept url roles

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