前言
shiro是一个权限框架,具体的使用可以查看其官网 http://shiro.apache.org/ 它提供了很方便的权限认证和登录的功能.
而springboot作为一个开源框架,必然提供了和shiro整合的功能!
之前项目鉴权一直使用的Shiro，那是在Spring MVC里面使用的比较多，而且都是用XML来配置，用Shiro来做权限控制相对比较简单而且成熟，而且我一直都把Shiro的session放在mongodb中，这个比较符合mongodb的设计初衷，而且在分布式项目中mongodb也作为一个中间层，用来很好很方便解决分布式环境下的session同步的问题
自从SpringBoot问世之后我的项目基本上能用SpringBoot的就会用SpringBoot，用MAVEN做统一集中管理也很方便，虽然SpringBoot也提供了一套权限安全框架Spring Security，但是相对来说还是不是太好用，所以还是用Shiro来的方便一点，SpringBoot集成Shiro要比Spring MVC要简单的多，至少没有一堆XML配置，看起来更清爽，那么接下来我们就开始集成。
方法如下：
第一步必然是在MAVEN中先添加Shiro和mongo的依赖，我用的Shiro版本是
<shiro.version>1.2.3</shiro.version>
添加依赖：
<dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-core</artifactId> <version>${shiro.version}</version></dependency><dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-web</artifactId> <version>${shiro.version}</version></dependency><dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-spring</artifactId> <version>${shiro.version}</version></dependency><dependency> <groupId>org.mongodb</groupId> <artifactId>mongo-java-driver</artifactId> <version>3.0.0</version></dependency> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-mongodb</artifactId> <version>1.7.0.RELEASE</version></dependency>然后在application.xml或yml中配置mongodb
spring.data.mongodb.host=127.0.0.1spring.data.mongodb.port=27017spring.data.mongodb.database=SHIRO_INFO
配置完成之后我们开始正式写Shiro认证的代码，先自定义一个鉴权realm，继承自AuthorizingRealm
public class ShiroDbRealm extends AuthorizingRealm { /** * 用户信息操作 */ private SystemUserService systemUserService; public ShiroDbRealm() {} public ShiroDbRealm(SystemUserService systemUserService) { this.systemUserService = systemUserService; } /** * 授权信息 */ @Override protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) { SimpleAuthorizationInfo info = (SimpleAuthorizationInfo) ShiroKit.getShiroSessionAttr("perms"); if (null != info && !CollectionUtils.isEmpty(info.getRoles()) && !CollectionUtils.isEmpty(info.getStringPermissions())) { return info; } return null; } /** * 认证信息 */ protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken) throws AuthenticationException { UsernamePasswordToken token = (UsernamePasswordToken) authcToken; String userName = token.getUsername(); if (userName != null && !"".equals(userName)) { SystemUser key = new SystemUser(); key.setLoginName(token.getUsername()); key.setPassword(String.valueOf(token.getPassword())); SystemUser user = systemUserService.login(key); if (user != null) { Subject userTemp = SecurityUtils.getSubject(); userTemp.getSession().setAttribute("userId", user.getId()); userTemp.getSession().setAttribute("userName", user.getUserName()); return new SimpleAuthenticationInfo(user.getLoginName(), user.getPassword(), getName()); } } return null; }}存储session进mongodb的Repository和实现：
public interface ShiroSessionRepository { /** * * @param session */ void saveSession(Session session); ......}MongoDBSessionRepository.java
public class MongoDBSessionRepository implements ShiroSessionRepository { private MongoTemplate mongoTemplate; public MongoDBSessionRepository() {} public MongoDBSessionRepository(MongoTemplate mongoTemplate) { this.mongoTemplate = mongoTemplate; } @Override public void saveSession(Session session) { if (session == null || session.getId() == null) { return; } SessionBean bean = new SessionBean(); bean.setKey(getSessionKey(session.getId())); bean.setValue(SerializeUtil.serialize(session)); bean.setPrincipal(null); bean.setHost(session.getHost()); bean.setStartTimestamp(session.getStartTimestamp()); bean.setLastAccessTime(session.getLastAccessTime()); bean.setTimeoutTime(getTimeoutTime(session.getStartTimestamp(), session.getTimeout())); mongoTemplate.insert(bean); } ......}ShiroSessionDAO.java
public class ShiroSessionDAO extends AbstractSessionDAO { /** * 日志记录器 */ private static final Logger log = LoggerFactory.getLogger(ShiroSessionDAO.class); /** * 数据库存储 */ private ShiroSessionRepository shiroSessionRepository; /** * * @return */ public ShiroSessionRepository getShiroSessionRepository() { return shiroSessionRepository; } /** * * @param shiroSessionRepository */ public void setShiroSessionRepository(ShiroSessionRepository shiroSessionRepository) { this.shiroSessionRepository = shiroSessionRepository; } @Override public void update(Session session) throws UnknownSessionException { getShiroSessionRepository().updateSession(session); } @Override public void delete(Session session) { if (session == null) { log.error("session can not be null,delete failed"); return; } Serializable id = session.getId(); if (id != null) { getShiroSessionRepository().deleteSession(id); } } @Override public Collection<Session> getActiveSessions() { return getShiroSessionRepository().getAllSessions(); } @Override protected Serializable doCreate(Session session) { Serializable sessionId = this.generateSessionId(session); this.assignSessionId(session, sessionId); getShiroSessionRepository().saveSession(session); return sessionId; } @Override protected Session doReadSession(Serializable sessionId) { return getShiroSessionRepository().getSession(sessionId); }}OK！所有基础类已经完成，最后写一个config用来全部初始化和配置Shiro
@Configurationpublic class ShiroConfig { @Resource private MongoTemplate mongoTemplate; @Resource private SystemUserService systemUserService;// 这是用来判断用户名和密码的service @Bean public ShiroFilterFactoryBean shiroFilter(DefaultWebSecurityManager securityManager) { ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean(); shiroFilterFactoryBean.setSecurityManager(securityManager); shiroFilterFactoryBean.setLoginUrl("/login"); shiroFilterFactoryBean.setSuccessUrl("/index"); shiroFilterFactoryBean.setUnauthorizedUrl("/403"); // 拦截器. Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>(); filterChainDefinitionMap.put("/static/**", "anon"); filterChainDefinitionMap.put("/ajaxLogin", "anon"); filterChainDefinitionMap.put("/libs/**", "anon"); filterChainDefinitionMap.put("/images/**", "anon"); filterChainDefinitionMap.put("/logout", "logout"); filterChainDefinitionMap.put("/**", "authc"); shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap); return shiroFilterFactoryBean; } public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor( DefaultWebSecurityManager securityManager) { AuthorizationAttributeSourceAdvisor adv = new AuthorizationAttributeSourceAdvisor(); adv.setSecurityManager(securityManager); return adv; } @Bean public DefaultWebSecurityManager securityManager(DefaultWebSessionManager sessionManager, ShiroDbRealm myShiroRealm) { DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager(); // 设置realm. securityManager.setRealm(myShiroRealm); securityManager.setSessionManager(sessionManager); return securityManager; } /** * 身份认证realm; (这里传递systemUserService给自定义的ShiroDbRealm初始化) * * @return */ @Bean public ShiroDbRealm myShiroRealm() { ShiroDbRealm myShiroRealm = new ShiroDbRealm(systemUserService); return myShiroRealm; } @Bean public DefaultWebSessionManager sessionManager(ShiroSessionDAO shiroSessionDao) { DefaultWebSessionManager sessionManager = new DefaultWebSessionManager(); sessionManager.setGlobalSessionTimeout(1800000l); sessionManager.setDeleteInvalidSessions(true); sessionManager.setSessionValidationSchedulerEnabled(true); sessionManager.setSessionDAO(shiroSessionDao); sessionManager.setSessionIdCookieEnabled(true); SimpleCookie cookie = new SimpleCookie(ShiroHttpSession.DEFAULT_SESSION_ID_NAME); cookie.setHttpOnly(true); cookie.setMaxAge(1800000); sessionManager.setSessionIdCookie(cookie); return sessionManager; } @Bean public ShiroSessionDAO shiroSessionDao(MongoDBSessionRepository shiroSessionRepository) { ShiroSessionDAO dao = new ShiroSessionDAO(); dao.setShiroSessionRepository(shiroSessionRepository); return dao; } @Bean MongoDBSessionRepository shiroSessionRepository() { MongoDBSessionRepository resp = new MongoDBSessionRepository(mongoTemplate); return resp; }}大功告成，这里只是一个简单的配置，代码也是我从项目里面节选和修改过的，至于在controller里面怎么使用，怎么做不同权限的鉴权工作那就在自己的代码里面实现就行。
总结
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