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本文实例为大家分享了Shiro Cas微服务化及前后端完全分离,供大家参考,具体内容如下
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shiro+cas微服务化笔记
1.Spring Boot 配置
有如下两个配置文件:ShiroBaseConfig.java
import lombok.extern.log4j.Log4j; import org.apache.shiro.cache.CacheManager; import org.apache.shiro.cache.MemoryConstrainedCacheManager; import org.apache.shiro.cas.CasFilter; import org.apache.shiro.codec.Base64; import org.apache.shiro.session.mgt.eis.MemorySessionDAO; import org.apache.shiro.web.mgt.CookieRememberMeManager; import org.apache.shiro.web.servlet.SimpleCookie; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** ** Description: shiro权限管理模块conf * * @author Dean.Hwang * @date 17/5/18 */ @Configuration @Log4j public class ShiroBaseConfiguration { @Value("${cas.server.url.prefix}") private String casPrefix; @Value("${cas.service}") private String casService; /** * 会话Cookie模板 * * @return */ @Bean public SimpleCookie sessionIdCookie() { SimpleCookie simpleCookie = new SimpleCookie("sid"); simpleCookie.setHttpOnly(true); simpleCookie.setMaxAge(1800000); return simpleCookie; } /** * 会话Cookie模板 * * @return */ @Bean public SimpleCookie rememberCookie() { SimpleCookie simpleCookie = new SimpleCookie("rememberMe"); simpleCookie.setHttpOnly(true); simpleCookie.setMaxAge(2592000);//30天 return simpleCookie; } /** * rememberMe 管理器 * * @return */ @Bean public CookieRememberMeManager rememberMeManager(SimpleCookie rememberCookie) { CookieRememberMeManager cookieRememberMeManager = new CookieRememberMeManager(); cookieRememberMeManager.setCipherKey(Base64.decode(""));// rememberMe cookie加密的密钥 建议每个项目都不一样 默认AES算法 密钥长度(128 256 512 位) cookieRememberMeManager.setCookie(rememberCookie); return cookieRememberMeManager; } /** * 会话DAO * * @return */ @Bean public MemorySessionDAO sessionDAO() { return new MemorySessionDAO(); } @Bean public CacheManager shiroCacheManager() { return new MemoryConstrainedCacheManager(); } @Bean public KryCasRealm casRealm(CacheManager shiroCacheManager) { return new KryCasRealm(casPrefix, casService, shiroCacheManager); } @Bean public CasFilter casFilter() { CasFilter casFilter = new CasFilter(); casFilter.setEnabled(true); casFilter.setName("casFilter"); casFilter.setFailureUrl("/authority/casFailure"); return casFilter; } }
下面ShiroManagerConfiguration.java 文件
import org.apache.shiro.cache.CacheManager; import org.apache.shiro.cas.CasFilter; import org.apache.shiro.cas.CasSubjectFactory; import org.apache.shiro.spring.web.ShiroFilterFactoryBean; import org.apache.shiro.web.filter.authc.LogoutFilter; import org.apache.shiro.web.mgt.CookieRememberMeManager; import org.apache.shiro.web.mgt.DefaultWebSecurityManager; import org.apache.shiro.web.session.mgt.ServletContainerSessionManager; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.config.MethodInvokingFactoryBean; import org.springframework.boot.autoconfigure.AutoConfigureAfter; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import javax.servlet.Filter; import java.util.HashMap; import java.util.Map; /** * ** Copyright: Copyright (c) 2015 *
**
* * @author Dean.Hwang * @date 17/5/18 */ @Configuration @AutoConfigureAfter( {ShiroBaseConfiguration.class} ) public class ShiroManagerConfiguration { @Autowired private KryCasRealm kryCasRealm; @Autowired private CacheManager shiroCacheManager; @Autowired private CookieRememberMeManager rememberMeManager; @Value("${cas.server.login.url}") private String loginUrl; @Value("${cas.client.url.prefix}") private String urlPrefix; @Autowired private CasFilter casFilter; @Value("${cas.server.logout.url}") private String logoutUrl; @Value("${cas.client.index.url}") private String indexUrl; @Bean public DefaultWebSecurityManager securityManager() { DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager(); securityManager.setRealm(kryCasRealm); securityManager.setSessionManager(new ServletContainerSessionManager()); securityManager.setCacheManager(shiroCacheManager); securityManager.setRememberMeManager(rememberMeManager); securityManager.setSubjectFactory(new CasSubjectFactory()); return securityManager; } /** * 相当于调用SecurityUtils.setSecurityManager(securityManager) * * @param securityManager * @return */ @Bean public MethodInvokingFactoryBean methodInvokingFactoryBean(DefaultWebSecurityManager securityManager) { MethodInvokingFactoryBean bean = new MethodInvokingFactoryBean(); bean.setStaticMethod("org.apache.shiro.SecurityUtils.setSecurityManager"); bean.setArguments(new Object[]{securityManager}); return bean; } @Bean public ShiroFilterFactoryBean shiroFilter(DefaultWebSecurityManager securityManager) { ShiroFilterFactoryBean factoryBean = new ShiroFilterFactoryBean(); factoryBean.setSecurityManager(securityManager); factoryBean.setLoginUrl(loginUrl + serviceStr + urlPrefix + "/cas"); factoryBean.setSuccessUrl("../mind/index.do"); factoryBean.setUnauthorizedUrl("/unauthorized.jsp"); MapfilterMap = new HashMap<>(); filterMap.put("cas", casFilter); filterMap.put("user", portalUserFilter); //只能在这里初始化LogoutFilter,不然会被spring boot注册到/* PortalLogoutFilter logoutFilter = new PortalLogoutFilter(); logoutFilter.setRedirectUrl(logoutUrl + serviceStr + indexUrl); filterMap.put("logout", logoutFilter); factoryBean.setFilters(filterMap); Map filters = new HashMap<>(); filters.put("/casFailure.jsp", "anon"); filters.put("/js/**", "anon"); filters.put("/themes/**", "anon"); filters.put("/3rdOauth/**", "anon"); filters.put("/cas", "cas"); filters.put("/logout", "logout"); filters.put("/**", "user"); factoryBean.setFilterChainDefinitionMap(filters); return factoryBean; } }
2.UserFilter的改造
2.1改造的原因:
因为,我们现在新的服务器架构是前后端完全分离的。但是,shiro是不支持完全的前后端分离。所以导致了单点登录完成以后会跳转至接口,而不是目标页面。同时,由于历史原因,我们的cas验证服务器与业务服务器不是同一个域。如果,需要在服务器端进行重定向就必须要通过跨域,考虑到跨域会有风险。所以,我也将sso服务器登录重定向进行了重构。做成了返回json,前端在接收到json自己进行登录页跳转。
具体的实现代码如下:
protected void saveRequestAndRedirectToLogin(ServletRequest request, ServletResponse response) throws IOException { Session session = SecurityUtils.getSubject().getSession(); if (session != null) { SavedRequest savedRequest = new PortalSavedRequest(WebUtils.toHttp(request));//重写的SavedRequest,具体处理由不同的业务需求自定 session.setAttribute(SAVED_REQUEST_KEY, savedRequest); } PrintWriter out = null; try { ResultVO