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Shiro-Redis

Shiro集成Redis的适配器，为解决shiro-ehcache不利于集群而打造的集中式缓存方案。

Maven坐标

org.iherus.shiro    shiro-redis    2.2.0

更新日志

v2.2.0:

Change Log 1)加入scope策略.

v2.1.0:

Change Log 1)修复bug. 2)增强兼容性 3)发布shiro-redis-spring-boot-web-starter

v2.0.0:

Note 此版本为重构版本，API不兼容v1.x。

Change Log 1)在v1.x仅支持单机模式的基础上，新增了对 哨兵(Sentinel)、集群(Cluster)模式的支持。 2)支持Lettuce客户端、Redisson客户端 3)兼容Spring-data-redis 4)非集群模式，可设置独立的database 5)支持设置缓存失效时间 6)优化性能 7)新增RedisSessionDAO用于降低请求Redis的频率

Shiro-Redis使用说明

1、基于ini的使用方式

[main]#定义凭证匹配器credentialsMatcher=org.apache.shiro.authc.credential.HashedCredentialsMatcher#散列算法credentialsMatcher.hashAlgorithmName=MD5#散列次数credentialsMatcher.hashIterations=2#定义缓存池配置poolConfig=redis.clients.jedis.JedisPoolConfigpoolConfig.minIdle=3poolConfig.maxIdle=10poolConfig.maxWaitMillis=1500poolConfig.maxTotal=100#定义连接配置## Standaloneconfiguration=org.iherus.shiro.cache.redis.config.RedisStandaloneConfigurationconfiguration.host=127.0.0.1configuration.port=6379configuration.database=2#configuration.password=## Sentinel#configuration=org.iherus.shiro.cache.redis.config.RedisSentinelConfiguration#configuration.masterName=mymaster#configuration.sentinelsFromText=127.0.0.1:56379,127.0.0.1:56479,127.0.0.1:56579#configuration.database=2#configuration.password=## Cluster#configuration=org.iherus.shiro.cache.redis.config.RedisClusterConfiguration#configuration.clusterNodesFromText=127.0.0.1:16379, 127.0.0.1:16380, 127.0.0.1:16381, 127.0.0.1:16382, 127.0.0.1:16383, 127.0.0.1:16384#configuration.password=#定义连接工厂## JedisconnectionFactory=org.iherus.shiro.cache.redis.connection.jedis.JedisConnectionFactoryconnectionFactory.poolConfig=$poolConfigconnectionFactory.configuration=$configuration#connectionFactory.clientName=#connectionFactory.connectTimeoutMillis=#connectionFactory.soTimeoutMillis=## Lettuce#connectionFactory=org.iherus.shiro.cache.redis.connection.lettuce.LettuceConnectionFactory#connectionFactory.poolConfig=$poolConfig#connectionFactory.configuration=$configuration#connectionFactory.clientName=#connectionFactory.timeoutMillis=## Redisson#connectionFactory=org.iherus.shiro.cache.redis.connection.redisson.RedissonConnectionFactory#connectionFactory.configuration=$configuration#connectionFactory.clientName=#connectionFactory.connectTimeoutMillis=#connectionFactory.soTimeoutMillis=#定义缓存管理器cacheManager=org.iherus.shiro.cache.redis.RedisCacheManagercacheManager.connectionFactory=$connectionFactorycacheManager.expirationMillis=900000cacheManager.keyPrefix=shiro:test:cache:#cacheManager.scanBatchSize=3000#cacheManager.deleteBatchSize=5000#cacheManager.fetchBatchSize=50#cacheManager.database=5#将凭证匹配器设置到realmcustomRealm=org.iherus.shiro.tester.CustomRealmcustomRealm.credentialsMatcher=$credentialsMatchersecurityManager.realms=$customRealmsecurityManager.cacheManager=$cacheManager

详细测试代码请看：src/test/java/org/iherus/shiro /tester/SimpleCacheTest.java

2、Spring集成的方式

3、关于缓存key的特别说明

针对非 byte[] 和 String 类型的缓存key，采用的是生成MD5作为key的策略，这样就要求AuthorizingRealm#doGetAuthenticationInfo返回的[PrincipalCollection principals]必须是一成不变的，这样一来，如果后续需要动态修改principals的属性，则会导致缓存key的变化。

所以，建议重写这两个方法来应对这种变化：

1)AuthorizingRealm #getAuthorizationCacheKey(PrincipalCollection principals) 2)AuthorizingRealm #getAuthenticationCacheKey(PrincipalCollection principals)

eg:

/** * 建议重写此方法，提供唯一的缓存Key */@Overrideprotected Object getAuthorizationCacheKey(PrincipalCollection principals) {return this.getAuthenticationCacheKey(principals);}/** * 建议重写此方法，提供唯一的缓存Key */@SuppressWarnings("unchecked")@Overrideprotected Object getAuthenticationCacheKey(PrincipalCollection principals) {StringBuilder sb = new StringBuilder();principals.forEach(principal -> {sb.append(((User) principal).getId());});return sb.toString();}

更多正在补充中。。。。。

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