SpringBoot：Shiro 整合 Redis
内容导读
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内容图文
前言
前段时间做了一个图床的小项目，安全框架使用的是Shiro。为了使用户7x24小时访问，决定把项目由单机升级为集群部署架构。但是安全框架shiro只有单机存储的SessionDao，尽管Shrio有基于Ehcache-rmi的组播/广播实现，然而集群的分布往往是跨网段的，甚至是跨地域的，所以寻求新的方案。架构
方案
<dependency>??? [/align][align=left]<groupId>org.springframework.boot</groupId>? [/align][align=left]? <artifactId>spring-boot-starter-data-redis</artifactId>[/align][align=left]</dependency>[/align][align=left]<dependency>?? [/align][align=left] <groupId>org.crazycake</groupId>? [/align][align=left]? <artifactId>shiro-redis</artifactId> [/align][align=left]?? <version>3.2.3</version>[/align][align=left]</dependecy>
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# Redis# 数据库索引（默认为0）redis.database=0
# 服务器地址 变更为自己的
redis.host=127.0.0.1
# 服务器连接端口
redis.port=6379
# 服务器连接密码，如果不设置密码注释掉即可
# redis.password=
# 连接超时时间（毫秒）
redis.timeout=30000
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public class RedisManager extends WorkAloneRedisManager implements IRedisManager {???
private RedisProperties redis;??
?private JedisPool jedisPool;??
?public RedisManager(RedisProperties redis) {??????
?this.redis = redis;??? }???
private void init() {??????
?synchronized(this) {?????????
??if (this.jedisPool == null) {???????????????
this.jedisPool = new JedisPool(this.getJedisPoolConfig(), redis.getHost(), redis.getPort(),???????????????????????
redis.getTimeout(), redis.getPassword(), redis.getDatabase());???????????
}???????
}???
}???
@Override
?protected Jedis getJedis() {???????
if (this.jedisPool == null) {??????????
?this.init();???????
}???????
return this.jedisPool.getResource();???
}}
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@Data
@ConfigurationProperties(prefix = "redis")
public class RedisProperties {???
private String host;???
private int port;???
private int timeout;???
private String password;???
private int database;}
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/** * Shiro权限配置 * 一定要配置 @Configuration 和 @EnableConfigurationProperties 注解 */
@Configuration
@EnableConfigurationProperties({RedisProperties.class})
public class ShiroConfig {???
private RedisProperties redis;???
public ShiroConfig(RedisProperties redis) {???????
this.redis = redis;???
}???
@Bean
?public UserRealm userRealm() {???????
return new UserRealm();???
}???
@Bean
public ShiroFilterFactoryBean shiroFilterFactoryBean (SecurityManager securityManager) {
???????ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
????????shiroFilterFactoryBean.setSecurityManager(securityManager);
????????shiroFilterFactoryBean.setLoginUrl("/index.html");
???????shiroFilterFactoryBean.setUnauthorizedUrl("/403");
????????// 拦截器
????????Map<String, String> filterChainDefinitionMap = new LinkedHashMap<>();
???????/**
?????????* 静态文件
?????????*/
???????filterChainDefinitionMap.put("/file/**","anon");
????????/**
?????????* 登录注册
?????????*/
???????filterChainDefinitionMap.put("/register.shtml","anon");
???????filterChainDefinitionMap.put("/login.shtml","anon");
????????/**
????????* 管理后台
????????*/
???????filterChainDefinitionMap.put("/sys/**", "roles[admin]");
???????filterChainDefinitionMap.put("/**", "authc");
???????shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
???????return shiroFilterFactoryBean;
???}
????@Bean
????public SessionsSecurityManager securityManager() {
???????DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
????????securityManager.setRealm(userRealm());
???????securityManager.setCacheManager(cacheManager());
????????securityManager.setSessionManager(sessionManager());
???????return securityManager;
???}
???@Bean
????public DefaultWebSessionManager sessionManager() {
???????DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
???????sessionManager.setSessionIdUrlRewritingEnabled(false);
????????sessionManager.setSessionDAO(redisSessionDAO());
???????return sessionManager;
???}
????@Bean
???public ShiroDialect shiroDialect(){
????????return new ShiroDialect();
????}
???/**
?????* cacheManager 缓存 redis实现
?????* @return
?????*/
????public RedisCacheManager cacheManager() {
???????RedisCacheManager redisCacheManager = new RedisCacheManager();
???????redisCacheManager.setRedisManager(redisManager());
????????return redisCacheManager;
???}
????/**
????* 配置shiro redisManager
?????* @return
?????*/
????public RedisManager redisManager() {
????????RedisManager redisManager = new RedisManager(redis);
???????return redisManager;
???}
????/**
????* RedisSessionDAO shiro sessionDao层的实现
????* 原理就是重写 AbstractSessionDAO
?????* 有兴趣的小伙伴自行阅读源码
?????*/
???@Bean
????public RedisSessionDAO redisSessionDAO() {
???????RedisSessionDAO redisSessionDAO = new RedisSessionDAO();
???????redisSessionDAO.setRedisManager(redisManager());
???????return redisSessionDAO;
???}}
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小结
是不是很爽，以后重启应用再也不用担心用户投诉了？ 更多技术资讯可关注:itheimaGZ公冢号获取内容总结
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