【问题标题】:Shiro Spring with filterchain definitions equivalent for @RequiresRoles logical.ORShiro Spring 与 @RequiresRoles logical.OR 等效的过滤器链定义
【发布时间】:2012-07-01 04:30:09
【问题描述】:

我正在尝试使用 Apache Shiro 来增强启用 spring 的 web 应用程序的安全性,因此我将过滤器链定义配置到 spring 配置文件中。 我如何实现相当于

@Controller
@RequestMapping("/mywebapp")
// @RequiresAuthentication (is this possible ? wish i could do this !)
public class MyWebAppController  {

@RequiresRoles(value={"Role1","Role2","Role3"},logical=Logical.OR)
@RequestMapping(value="/home", method = RequestMethod.GET)
public String home() { return .. }

我的 spring-config 文件包含以下内容: 假设我的 dispatcherservlet 映射到 /rest/*

  <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
    <property name="securityManager" ref="securityManager"/>
    <property name="loginUrl" value="/rest/secure/windowslogin"/>
    <property name="successUrl" value="/mywebapp/rest/menu"/>
    <property name="unauthorizedUrl" value="/mywebapp/rest/unauthorized"/>
    <property name="filters">
        <util:map>
            <entry key="anon">
                <bean class="org.apache.shiro.web.filter.authc.AnonymousFilter"/>
            </entry>
            <entry key="authc">
       <!-- why is this not invoked ? -->
                <bean class="org.apache.shiro.web.filter.authc.PassThruAuthenticationFilter">
                </bean>
            </entry>
            <entry key="roles">
                <bean class="org.apache.shiro.web.filter.authz.RolesAuthorizationFilter"/>
            </entry>
        </util:map>
    </property>
    <property name="filterChainDefinitions">
        <value>
            /rest/secure/** = anon
            /rest/mywebapp/** = authc, roles[Role1,Role2,Role3]
        </value>
    </property>
</bean>

在上面的代码中,我需要使用提到的角色对/rest/mywebapp/** 进行逻辑或类型的映射。这可以通过 shiro 注释实现,它可以工作,但不是在每个方法中都指定我宁愿在这里处理它(因为我认为 shiro 还不支持类级别的注释?)。 这可能吗?

另外,为什么不调用 authc 过滤器? (现在我们假设windows登录可以作为认证,shiro只用于授权)

home page = meta refresh to /rest/secure/windowslogin/
             if within intranet -> login ...
             else /rest/secure/login ... login page.

是因为登录网址不同吗?我该如何规避这个?请注意,虽然使用配置文件中指定的角色 [ .. ] 部分调用了我的领域的 getAuthorizationInfo .. 但我假设应该检查请求是否为 'authc' ? (这可能意味着调用了过滤器并检查了 SubjectUtils.getSubject() 以进行身份​​验证)。我是否在流程或配置中遗漏了什么?

【问题讨论】:

    标签: spring-mvc annotations shiro


    【解决方案1】:

    这就是 shiro-security.xml 的样子。

    <bean id="customFilter1" class="com.pkg.RolesAuthorizationFilter">
            <property name="roles" value="ROLE1,ROLE3,ROLE5"></property>
    </bean>
    <bean id="customFilter2" class="com.pkg.RolesAuthorizationFilter">
            <property name="roles" value="ROLE1,ROLE2,ROLE5,ROLE6"></property>
    </bean>
    
    <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
            <property name="securityManager" ref="securityManager" />
            <property name="loginUrl" value="/login" />
            <property name="successUrl" value="/home" />
            <property name="unauthorizedUrl" value="/unauthorized" />    
         <property name="filters">
            <util:map>
                <entry key="authc">
                    <bean   class="org.apache.shiro.web.filter.authc.PassThruAuthenticationFilter" />
                </entry>
            </util:map>
        </property>
    
    <property name="filterChainDefinitions">
                <value>
                 /resources/** = anon
                    /login = anon
                    /logout = authc             
                    /unauthorized = authc
                    /someurl/** = customFilter2
                    /** = customFilter1
                </value>
            </property>
    </bean>
    

    这是 RolesAuthorizationFilter 类

    package com.pkg;
    
    import java.util.Arrays;
    
    import javax.servlet.ServletRequest;
    import javax.servlet.ServletResponse;
    
    import org.apache.log4j.Logger;
    import org.apache.shiro.subject.Subject;
    import org.apache.shiro.web.filter.authz.AuthorizationFilter;
    
    public class RolesAuthorizationFilter extends AuthorizationFilter {
        protected Logger logger = Logger.getLogger(this.getClass()
                .getCanonicalName());
    
        private String[] roles;
    
        @Override
        protected boolean isAccessAllowed(ServletRequest request,
                ServletResponse response, Object mappedValue) throws Exception {
    
            logger.info("= Roles = " + Arrays.toString(roles));
    
            Subject subject = getSubject(request, response);
            boolean allowAccess = false;
    
            for (String role : roles) {
                if (subject.hasRole(role)) {
    
                    logger.info("Authenticated role " + role);
    
                    allowAccess = true;
                    break;
                }
            }
    
            return allowAccess;
        }
    
        public void setRoles(String[] roles) {
            this.roles = roles;
        }   
    }
    

    【讨论】:

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