Spring整合Shiro做权限控制模块详细案例分析

1.引入Shiro的Maven依赖

<!-- Spring 整合Shiro需要的依赖 -->

  <dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-core</artifactId>
    <version>1.2.1</version>
  </dependency>
  <dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-web</artifactId>
    <version>1.2.1</version>
  </dependency>
  <dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-ehcache</artifactId>
    <version>1.2.1</version>
  </dependency>
  <dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-spring</artifactId>
    <version>1.2.1</version>
  </dependency>
  <!-- 除此之外还有一些东西也不可少spring, spring-mvc, ibatis等 spring.3.1.2 spring-mvc.3.1.2 
    ibatis.2.3.4 cglib.2.2 -->

2.web.xml中配置

<!-- 配置shiro的核心拦截器 -->
  <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>

3.    编写自己的UserRealm类继承自Realm，主要实现认证和授权的管理操作

package com.jay.demo.shiro;

import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.LockedAccountException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
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.jay.demo.bean.Permission;
import com.jay.demo.bean.Role;
import com.jay.demo.bean.User;
import com.jay.demo.service.UserService;

public class UserRealm extends AuthorizingRealm{
  
  @Autowired
  private UserService userService;

  /**
   * 授权操作
   */
  @Override
  protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
//		String username = (String) getAvailablePrincipal(principals);
    String username = (String) principals.getPrimaryPrincipal();
    
    Set<Role> roleSet =  userService.findUserByUsername(username).getRoleSet();
    //角色名的集合
    Set<String> roles = new HashSet<String>();
    //权限名的集合
    Set<String> permissions = new HashSet<String>();
    
    Iterator<Role> it = roleSet.iterator();
    while(it.hasNext()){
      roles.add(it.next().getName());
      for(Permission per:it.next().getPermissionSet()){
        permissions.add(per.getName());
      }
    }

    
    SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
    
    authorizationInfo.addRoles(roles);
    authorizationInfo.addStringPermissions(permissions);
    
    
    return authorizationInfo;
  }

  /**
   * 身份验证操作
   */
  @Override
  protected AuthenticationInfo doGetAuthenticationInfo(
      AuthenticationToken token) throws AuthenticationException {
    
    String username = (String) token.getPrincipal();
    User user = userService.findUserByUsername(username);
    
    if(user==null){
      //木有找到用户
      throw new UnknownAccountException("没有找到该账号");
    }
    /* if(Boolean.TRUE.equals(user.getLocked())) {  
              throw new LockedAccountException(); //帐号锁定  
          } */
    
    /**
     * 交给AuthenticatingRealm使用CredentialsMatcher进行密码匹配，如果觉得人家的不好可以在此判断或自定义实现  
     */
    SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(),getName());
    
    
    return info;
  }
  
  @Override
  public String getName() {
    return getClass().getName();
  }

}

4.在Spring的applicationContext.xml中进行Shiro的相关配置

1、添加shiroFilter定义 

Xml代码 

1. <!-- Shiro Filter -->   
2. < bean   id = "shiroFilter"   class ="org.apache.shiro.spring.web.ShiroFilterFactoryBean" >   
3.      < property   name = "securityManager"   ref = "securityManager"   />   
4.      < property   name = "loginUrl"   value = "/login"   />   
5.      < property   name = "successUrl"   value = "/user/list"   />   
6.      < property   name = "unauthorizedUrl"   value = "/login"   />   
7.      < property   name = "filterChainDefinitions" >   
8.          < value >   
9.             / login  =  anon   
10.             /user/** = authc  
11.             /role/edit/* = perms[role:edit]  
12.             /role/ save  =  perms [role:edit]  
13.             /role/ list  =  perms [role:view]  
14.             /** = authc  
15.          </ value >   
16.      </ property >   
17. </ bean >   

2、添加securityManager定义 

Xml代码 

1. < bean   id = "securityManager"   class ="org.apache.shiro.web.mgt.DefaultWebSecurityManager" >   
2.      < property   name = "realm"   ref = "myRealm"   />   
3. </ bean >   

3、添加realm定义 

Xml代码 

1. < bean   id = " myRealm"   class = "com.jay.demo.shiro.

   UserRealm<span class="attribute-value" style="font-size: 1em; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', Consolas, 'Courier New', monospace; background-color: rgb(250, 250, 250);">"</span><span style="color: black; font-size: 1em; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', Consolas, 'Courier New', monospace; background-color: rgb(250, 250, 250);"> </span><span class="tag" style="font-size: 1em; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', Consolas, 'Courier New', monospace; color: rgb(0, 102, 153); font-weight: bold; background-color: rgb(250, 250, 250);">/></span><span style="color: black; font-size: 1em; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', Consolas, 'Courier New', monospace; background-color: rgb(250, 250, 250);">  </span>

4、配置EhCache

< bean   id = "cacheManager"   class ="org.apache.shiro.cache.ehcache.EhCacheManager"   />

5、 保证实现了Shiro内部lifecycle函数的bean执行

<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>

特别注意：

如果使用Shiro相关的注解，需要在springmvc-servlet.xml中配置一下信息

<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator" depends-on="lifecycleBeanPostProcessor"/>
<bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
    <property name="securityManager" ref="securityManager"/>
</bean>

备注：Shiro权限管理的过滤器解释：

默认过滤器(10个) 
anon -- org.apache.shiro.web.filter.authc.AnonymousFilter
authc -- org.apache.shiro.web.filter.authc.FormAuthenticationFilter
authcBasic -- org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter
perms -- org.apache.shiro.web.filter.authz.PermissionsAuthorizationFilter
port -- org.apache.shiro.web.filter.authz.PortFilter
rest -- org.apache.shiro.web.filter.authz.HttpMethodPermissionFilter
roles -- org.apache.shiro.web.filter.authz.RolesAuthorizationFilter
ssl -- org.apache.shiro.web.filter.authz.SslFilter
user -- org.apache.shiro.web.filter.authc.UserFilter
logout -- org.apache.shiro.web.filter.authc.LogoutFilter


anon:例子/admins/**=anon 没有参数，表示可以匿名使用。 
authc:例如/admins/user/**=authc表示需要认证(登录)才能使用，没有参数 
roles：例子/admins/user/**=roles[admin],参数可以写多个，多个时必须加上引号，并且参数之间用逗号分割，当有多个参数时，例如admins/user/**=roles["admin,guest"],每个参数通过才算通过，相当于hasAllRoles()方法。 
perms：例子/admins/user/**=perms[user:add:*],参数可以写多个，多个时必须加上引号，并且参数之间用逗号分割，例如/admins/user/**=perms["user:add:*,user:modify:*"]，当有多个参数时必须每个参数都通过才通过，想当于isPermitedAll()方法。 
rest：例子/admins/user/**=rest[user],根据请求的方法，相当于/admins/user/**=perms[user:method] ,其中method为post，get，delete等。 
port：例子/admins/user/**=port[8081],当请求的url的端口不是8081是跳转到schemal://serverName:8081?queryString,其中schmal是协议http或https等，serverName是你访问的host,8081是url配置里port的端口，queryString是你访问的url里的？后面的参数。 
authcBasic：例如/admins/user/**=authcBasic没有参数表示httpBasic认证 
ssl:例子/admins/user/**=ssl没有参数，表示安全的url请求，协议为https 
user:例如/admins/user/**=user没有参数表示必须存在用户，当登入操作时不做检查

关于Shiro的标签应用：

<shiro:authenticated> 登录之后
<shiro:notAuthenticated> 不在登录状态时
<shiro:guest> 用户在没有RememberMe时
<shiro:user> 用户在RememberMe时
<shiro:hasAnyRoles name="abc,123" > 在有abc或者123角色时
<shiro:hasRole name="abc"> 拥有角色abc
<shiro:lacksRole name="abc"> 没有角色abc
<shiro:hasPermission name="abc"> 拥有权限abc
<shiro:lacksPermission name="abc"> 没有权限abc
<shiro:principal> 显示用户登录名

以上是Shiro的相关配置，出于安全的考虑，一般都会使用ACL(基于角色的用户权限管理去控制用户登录后的权限)

ACL详细代码案例如下：

涉及到的表：3+2（User，Role，Permission  +  user-role，role-permission）

3张实体表+2张关系表

1.关于User类：

package com.jay.demo.bean;

import java.util.HashSet;
import java.util.Set;

public class User {
  private String id;
  private String username;
  private String password;
  private Set<Role> roleSet = new HashSet<Role>();
  
  public User() {
  }

  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }

  public String getUsername() {
    return username;
  }

  public void setUsername(String username) {
    this.username = username;
  }

  public String getPassword() {
    return password;
  }

  public void setPassword(String password) {
    this.password = password;
  }

  public Set<Role> getRoleSet() {
    return roleSet;
  }

  public void setRoleSet(Set<Role> roleSet) {
    this.roleSet = roleSet;
  }

  
}

2.关于Role表

package com.jay.demo.bean;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

public class Role implements Serializable {

  private static final long serialVersionUID = -4987248128309954399L;

  private Integer id;
  private String name;
  private Set<Permission> permissionSet = new HashSet<Permission>();

  public Role() {
    super();
  }
  
  // --------------------------------------------------------------------------------

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((id == null) ? 0 : id.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    Role other = (Role) obj;
    if (id == null) {
      if (other.id != null)
        return false;
    } else if (!id.equals(other.id))
      return false;
    return true;
  }
  
  // --------------------------------------------------------------------------------

  public Integer getId() {
    return id;
  }

  public void setId(Integer id) {
    this.id = id;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public Set<Permission> getPermissionSet() {
    return permissionSet;
  }

  public void setPermissionSet(Set<Permission> permissionSet) {
    this.permissionSet = permissionSet;
  }

}

3.关于permission表

<pre name="code" class="java">package com.jay.demo.bean;

import java.io.Serializable;

public class Permission implements Serializable {

  private static final long serialVersionUID = -8025597823572680802L;

  private Integer id;
  private String name;

  public Permission() {
    super();
  }

  // --------------------------------------------------------------------------------------

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((id == null) ? 0 : id.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    Permission other = (Permission) obj;
    if (id == null) {
      if (other.id != null)
        return false;
    } else if (!id.equals(other.id))
      return false;
    return true;
  }

  // --------------------------------------------------------------------------------------

  public Integer getId() {
    return id;
  }

  public void setId(Integer id) {
    this.id = id;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

}

4.dao层接口

package com.jay.demo.dao;

import com.jay.demo.bean.User;

public interface UserDao {
  
  User findUserByUsername(String username); 
}

4.使用Mybatis完成的Dao层实现

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.jay.demo.dao.UserDao">
  <resultMap id="userMap" type="com.jay.demo.bean.User">
  <id property="id" column="USER_ID"/>
  <result property="username" column="USER_USERNAME"/>
  <result property="password" column="USER_PASSWORD"/>
  <!-- 进行 多表关联插叙，先关联user和role -->
  <collection property="roleSet" column="roleid" ofType="com.jay.demo.bean.Role">
  <id property="id" column="ROLE_ID"/>
  <result property="name" column="ROLE_NAME"/>
  <!-- 再在role中关联role和permission -->
  <collection property="permissionSet" column="permissionid" ofType="com.jay.demo.bean.Permission">
  <id property="id" column="permission_id"/>
  <result property="name" column="permission_name"/>
  </collection>
  </collection>
  
  </resultMap>
  
  
  
  
  <!--  通过User来查找Role   -->  
  <!-- <select id="selectRoleByUser" parameterType="int" resultMap="RoleMap">  
    select * from tbl_role_user user_id  = #{id}   
  </select>  
  

  <resultMap  id="roleMap" type="com.jay.demo.bean.User">
    <result property="id" column="ROLE_ID" />
    <result property="name" column="ROLE_NAME" />
  </resultMap>
  
  <resultMap id="permissionMap" type="com.jay.demo.bean.Permission">
    <result property="id" column="PERMISSION_ID" />
    <result property="name" column="PERMISSION_NAME" />
  </resultMap> -->
  
  

<sql id="select-base-01">  
    SELECT   
      u.USER_ID,  
      u.USER_USERNAME,  
      u.USER_PASSWORD,  
      r.ROLE_ID,  
      r.ROLE_NAME,  
      p.PERMISSION_ID,  
      p.PERMISSION_NAME  
    FROM  
      tbl_user as u,  
      tbl_role as r,  
      tbl_permission as p,  
      tbl_permission_role as pr,  
      tbl_role_user as ru  
    WHERE  
      u.USER_ID = ru.USER_ID  
    AND  
      r.ROLE_ID = ru.ROLE_ID  
    AND  
      p.PERMISSION_ID = pr.PERMISSION_ID  
    AND  
      r.ROLE_ID = pr.ROLE_ID  
  </sql>  
  
  <select id="findUserByUsername" parameterType="string" resultMap="userMap">  
     <include refid="select-base-01" />  
    AND  
      u.USER_USERNAME = #{username}	
      <!-- select * from tbl_user u, tbl_role r, tbl_role_user tu 
      where u.user_id = tu.user_id and r.role_id = tu.role_id 
      and user_username=#{username} -->
  </select>
  
</mapper>

说明：详细代码和demo见附件

http://download.csdn.net/detail/he90227/7778689