web.xml中的白名单安全性约束

Question

我正在使用Tomcat作为我的Struts2应用程序.在web.xml如下所示具有一定的条目:

<security-constraint>
    <web-resource-collection>
        <web-resource-name>restricted methods</web-resource-name>
        <url-pattern>/*</url-pattern>
        <http-method>PUT</http-method>
        <http-method>DELETE</http-method>
        <http-method>TRACE</http-method>
    </web-resource-collection>
    <auth-constraint />
</security-constraint>
<security-constraint>
   <web-resource-collection>
       <web-resource-name>no_access</web-resource-name>
       <url-pattern>/jsp/*</url-pattern>
   </web-resource-collection>
   <auth-constraint/>
</security-constraint>
    <security-constraint>
   <web-resource-collection>
       <web-resource-name>no_access</web-resource-name>
       <url-pattern>/myrrunner/*</url-pattern>
   </web-resource-collection>
   <auth-constraint/>
</security-constraint>

如何更改上面列入黑名单的部分只使用白名单部分...例如,我需要将其他方法列入白名单,而不是黑名单PUT,DELTE但我不确定将它们列入白名单的语法以及将它们列入白名单的方法.

对于我上面的web.xml片段,我会很感激,如果有人可以为我提供whitelisitng对应部分xml.

编辑:另外,我如何真正验证解决方案是否有效？

谢谢

Answer 1

我会尝试以下方法:

<security-constraint>
    <web-resource-collection>
        <url-pattern>/*</url-pattern>
        <http-method>GET</http-method>
        <http-method>POST</http-method>
    </web-resource-collection>
    <!-- no auth-constraint tag here -->
</security-constraint>

<security-constraint>
    <web-resource-collection>
        <web-resource-name>restricted methods</web-resource-name>
        <url-pattern>/*</url-pattern>
    </web-resource-collection>
   <auth-constraint/>
</security-constraint>

第一个security-constraint没有auth-constraint,所以没有登录的任何人都可以使用GET和POST方法.第二个限制每个人的其他http方法.(我没试过.)

Answer 2

Java EE 6的新功能,简化了应用程序的安全配置.您现在可以在web.xml中将白名单与黑名单允许的HTTP方法配对:

<security-constraint>
    <web-resource-collection>
        <web-resource-name>Disable unneeded HTTP methods by 403 Forbidden them</web-resource-name>
        <url-pattern>*</url-pattern>
        <http-method-omission>GET</http-method-omission>
        <http-method-omission>HEAD</http-method-omission>
        <http-method-omission>POST</http-method-omission>
    </web-resource-collection>
    <auth-constraint />
</security-constraint>

参考:https://blogs.oracle.com/nithya/entry/new_security_features_in_glassfish