pom.xml中
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>tomcat</groupId>
<artifactId>jsp-api</artifactId>
<version>5.5.23</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>ojdbc</groupId>
<artifactId>ojdbc</artifactId>
<version>6.0</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.5</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-core</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-web</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.23</version>
</dependency>
<!-- spring和freemarker集成 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>4.3.8.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-ehcache</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.9</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.9</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
web.xml中
<!-- shiro过滤器 -->
<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>shiroFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
applicationContext-shiro.xml中
<!-- 将shiro交由spring管理 -->
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<property name="securityManager" ref="securityManager"/>
<property name="loginUrl" value="/login"/>
<property name="unauthorizedUrl" value="/403.html"/>
<property name="FilterChainDefinitions">
<value>
/login=anon
/subLogin=anon
/**=authc
</value>
</property>
</bean>
<!-- 自定义realm -->
<bean id="realm" class="com.jinlin.realm.CustomRealm">
<property name="credentialsMatcher" ref="credentialsMatcher"/>
</bean>
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<property name="realm" ref="realm"/>
</bean>
<!-- shiro密码加密配置 -->
<bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher">
<property name="hashAlgorithmName" value="md5"/>
<property name="hashIterations" value="1"/>
</bean>
<!-- session管理 -->
<!-- <bean id="sessionManager" class="">
<property name="sessionDAO" ref="redisSessionDao"/>
</bean> -->
<!-- 自定义将session存入redis中 -->
<bean id="redisSessionDao" class="com.jinlin.session.RedisSessionDao">
</bean>
自定义realm类
package com.jinlin.realm;
import java.util.ArrayList;
import java.util.List;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;
import com.jinlin.entity.Role;
import com.jinlin.service.RoleService;
import com.jinlin.service.UserService;
public class CustomRealm extends AuthorizingRealm {
{
super.setName("customRealm");
}
@Autowired
private UserService userService;
@Autowired
private RoleService roleService;
/*授权*/
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
List<Role> roleList = null;
List<String> rnameList = new ArrayList<String>();
try {
roleList = roleService.queryRole();
roleList.forEach((role)->{
rnameList.add(role.getRname());
});
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
simpleAuthorizationInfo.addRoles(rnameList);
return simpleAuthorizationInfo;
}
/*认证*/
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
String username = (String)token.getPrincipal();
String password = null;
try {
password = userService.getPasswordByUsername(username);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SimpleAuthenticationInfo simpleAuthenticationInfo = new SimpleAuthenticationInfo(username,password,"customRealm");
return simpleAuthenticationInfo;
}
}
redis工具类
package com.imooc.util;
import java.util.Set;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
@Component
public class JedisUtil {
@Autowired
private JedisPool jedisPool;
//得到jedis连接
private Jedis getResource() {
return jedisPool.getResource();
}
//redis增加
public byte[] set(byte[] key, byte[] value) {
Jedis jedis = getResource();
try {
jedis.set(key, value);
return value;
} finally {
jedis.close();
}
}
//设置超时时间
public void expire(byte[] key, int i) {
Jedis jedis = getResource();
try {
jedis.expire(key, i);
} finally {
jedis.close();
}
}
//redis取值
public byte[] get(byte[] key) {
Jedis jedis = getResource();
try {
byte[] value = jedis.get(key);
return value;
} finally {
jedis.close();
}
}
//redis删除
public void del(byte[] key) {
Jedis jedis = getResource();
try {
jedis.del(key);
} finally {
jedis.close();
}
}
//redis模糊查询
public Set<byte[]> keys(String SHIRO_SESSION_PREFIX) {
Jedis jedis = getResource();
try {
return jedis.keys((SHIRO_SESSION_PREFIX + "*").getBytes());
}finally {
jedis.close();
}
}
}
将session存入redis的类
package com.imooc.session;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.apache.shiro.session.Session;
import org.apache.shiro.session.UnknownSessionException;
import org.apache.shiro.session.mgt.eis.AbstractSessionDAO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.SerializationUtils;
import com.imooc.util.JedisUtil;
import org.apache.shiro.util.CollectionUtils;
/**
* crud session
*/
public class RedisSessionDao extends AbstractSessionDAO {
@Autowired
private JedisUtil jedisUtil;
//设置session前缀
private final String SHIRO_SESSION_PREFIX = "imooc-session:";
private void saveSession(Session session) {
if (session != null &&session.getId() != null) {
//相当于session.setAttribute(key,value)
byte[] key = getKey(session.getId().toString());
//将session序列化为byte数组
byte[] value = SerializationUtils.serialize(session);
jedisUtil.set(key,value);
jedisUtil.expire(key,600);
}
}
//得到session的key
private byte[] getKey(String key) {
return (SHIRO_SESSION_PREFIX + key).getBytes();
}
@Override
public void update(Session session) throws UnknownSessionException {
saveSession(session);
}
@Override
public void delete(Session session) {
if (session == null || session.getId() == null) {
return ;
}
byte[] key = getKey(session.getId().toString());
jedisUtil.del(key);
}
//从redis中得到session
@Override
public Collection<Session> getActiveSessions() {
Set<byte[]> keys = jedisUtil.keys(SHIRO_SESSION_PREFIX);
Set<Session> sessions = new HashSet<>();
if (CollectionUtils.isEmpty(keys)) {
return sessions;
}
for(byte[] key : keys) {
//反序列化为session对象
Session session = (Session) SerializationUtils.deserialize(jedisUtil.get(key));
sessions.add(session);
}
return sessions;
}
@Override
protected Serializable doCreate(Session session) {
//生成sessionId
Serializable sessionId = generateSessionId(session);
//将session和sessionId捆绑
assignSessionId(session, sessionId);
saveSession(session);
return sessionId;
}
@Override
protected Session doReadSession(Serializable sessionId) {
System.out.println("read session");
if (sessionId == null) {
return null;
}
byte[] key = getKey(sessionId.toString());
byte[] value = jedisUtil.get(key);
return (Session)SerializationUtils.deserialize(value);
}
}
自定义sessionManager类,取值时只取一次,不重复取
package com.imooc.session;
import java.io.Serializable;
import javax.servlet.ServletRequest;
import org.apache.shiro.session.Session;
import org.apache.shiro.session.UnknownSessionException;
import org.apache.shiro.session.mgt.SessionKey;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.apache.shiro.web.session.mgt.WebSessionKey;
public class CustomSessionManager extends DefaultWebSessionManager {
@Override
protected Session retrieveSession(SessionKey sessionKey) throws UnknownSessionException {
Serializable sessionId = getSessionId(sessionKey);
ServletRequest request = null;
if(sessionKey instanceof WebSessionKey) {
request = ((WebSessionKey)sessionKey).getServletRequest();
}
if(request != null && sessionId != null) {
Session session = (Session)request.getAttribute(sessionId.toString());
if (session != null) {
return session;
}
}
Session session = super.retrieveSession(sessionKey);
if(request != null && sessionId != null) {
request.setAttribute(sessionId.toString(), session);
}
return session;
}
}
原文地址:https://www.cnblogs.com/jinlin-2018/p/9861267.html