java - Shiro No SecurityManager 调用代码可访问

Question

我正在尝试集成 Spring Boot 和 Shiro。当我尝试在我的一个 Controller 中调用 SecurityUtils.getSubject() 时，发生了异常:org.apache.shiro.UnavailableSecurityManagerException:调用代码无法访问 SecurityManager，绑定(bind)到 org.apache.shiro.util.ThreadContext 或作为 vm 静态单例。这是无效的应用程序配置。

我只是按照一些教程和文档来配置 Shiro，这是我的 ShiroConfig 类:

@Configuration
public class ShiroConfig {

    @Bean
    public Realm realm() {
        return new UserRealm();
    }

    @Bean
    public HashedCredentialsMatcher hashedCredentialsMatcher() {
        HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
        hashedCredentialsMatcher.setHashAlgorithmName(PasswordEncoder.getALGORITHM()); 
        hashedCredentialsMatcher.setHashIterations(PasswordEncoder.getITERATION()); 
        return hashedCredentialsMatcher;
    }

    @Bean
    public UserRealm shiroRealm() {
        UserRealm userRealm = new UserRealm();
        userRealm.setCredentialsMatcher(hashedCredentialsMatcher()); 
        return userRealm;
    }

    @Bean
    public SessionsSecurityManager securityManager() {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(shiroRealm());
        return securityManager;
    }

    @Bean
    public DefaultAdvisorAutoProxyCreator defaultAdvisorAutoProxyCreator() {
        DefaultAdvisorAutoProxyCreator defaultAdvisorAutoProxyCreator = new DefaultAdvisorAutoProxyCreator();
        defaultAdvisorAutoProxyCreator.setUsePrefix(true);
        return defaultAdvisorAutoProxyCreator;
    }

    @Bean
    public ShiroFilterChainDefinition shiroFilterChainDefinition() {
        DefaultShiroFilterChainDefinition definition = new DefaultShiroFilterChainDefinition();
        definition.addPathDefinition("/login", "anon");
        definition.addPathDefinition("/register", "anon");
        definition.addPathDefinition("/api/**", "user");
        return definition;
    }
}

这是导致异常的代码:

    @PostMapping("/login")
    @ResponseBody
    public Object login(@RequestParam("username") String username,
                        @RequestParam("password") String password) {
        if (username.equals("") || password.equals("")) {
            return "please provide complete information";
        }
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        Subject subject = SecurityUtils.getSubject(); // this line caused exception
        ...
    }

我对这个异常很困惑。谁能帮忙？

编辑我正在使用 Spring Boot 2.1.6.RELEASE 和 shiro-spring-boot-starter 1.4.0。

Answer 1

您使用的是 shiro-spring-boot-web-starter 依赖项而不是 shiro-spring-boot-starter 依赖项吗？

根据此文档，这似乎是 spring boot web 应用程序所必需的。

https://shiro.apache.org/spring-boot.html#Spring-WebApplications