Shiro的三种授权(十二)

前提就是在Realm的授权方法中查询出权限并返回List<String>形式

    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {

        // 从 principals获取主身份信息
        // 将getPrimaryPrincipal方法返回值转为真实身份类型（在上边的doGetAuthenticationInfo认证通过填充到SimpleAuthenticationInfo中身份类型），
        ActiveUser activeUser = (ActiveUser) principals.getPrimaryPrincipal();

        // 根据身份信息获取权限信息
        // 从数据库获取到权限数据
        List<SysPermission> permissionList = null;
        try {
            permissionList = sysService.findPermissionListByUserId(activeUser.getUserid());
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        // 单独定一个集合对象
        List<String> permissions = new ArrayList<String>();
        if (permissionList != null) {
            for (SysPermission sysPermission : permissionList) {
                // 将数据库中的权限标签 符放入集合
                permissions.add(sysPermission.getPercode());
            }
        }

        // 查到权限数据，返回授权信息(要包括 上边的permissions)
        SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
        // 将上边查询到授权信息填充到simpleAuthorizationInfo对象中
        simpleAuthorizationInfo.addStringPermissions(permissions);

        return simpleAuthorizationInfo;
    }

1.applicationContext-shiro.xml配置

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解释:访问上面这个需要有item:edit权限。

2.注解方法:

开启controller类aop支持

在springmvc.xml中配置：

<!-- 开启aop，对类代理 -->
    <aop:config proxy-target-class="true"></aop:config>
    <!-- 开启shiro注解支持 -->
    <bean
        class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
        <property name="securityManager" ref="securityManager" />
    </bean>

在controller方法中添加注解

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" alt="" />

3.JSP授权(页面上根据权限设置菜单显示与否)

Jsp页面添加：

<%@ tagliburi="http://shiro.apache.org/tags" prefix="shiro" %>

标签名称	标签条件（均是显示标签内容）
<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">	拥有权限资源abc
<shiro:lacksPermission name="abc">	没有abc权限资源
<shiro:principal>	显示用户身份名称

　　　　　　　　　　　　　　　　　　　　　　　　<shiro:principal property="username"/>     显示用户身份中的属性值

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Qb8eVfuhoL7/Ucvdc5ZsTOJOk1h3mx8+bskjHd/Ce127vHl0Q3JkAzH372bsimx6SB0LATdqIOskGWFdnppnkqtrRdsxkFtroaO+I+ZwfvdbIOC9q1de91HmkYq9cfzkux/b6JETs16l0w+L0SswwayNCOHNOZZ2vdJDM9ZxTKlypG7JS3SGpOkB/9ZaqhlLV0e34yzgvZFrXLWybWP1GPDW/7OTsAAPiLQOwAAFkAsQMAZAHEDgCQBRA7AEAWQOwAAFkAsQMAZAHEDgCQBQ8pdvm57F4G65S9BUPKO9l8W4ZRzEa0xPwB+/JIrmvpsH+/9w6zvMVu3iiJIp0Vx5VwTtnStnMZ4YH+1Pbl97X5FnbdJia+XXqjgpAaeVBOErJEcSOj9v6LtVm6GWuLXbQF/E3YvtiRRuSLrHodhJAwdbR4oYv6hdxV7IR2mc1Y9mf7oHemCrLPlsadL1yIO+cSo/Y4Dl9uWHeXbWerit3qZgkbFzvOKZv2botA8PJObl9+mYv6pdxP7CLbJQdcJtUIWZiF1EpOubzj3mcy78RCo/Z5KGm7g6HAamJH20nxluKCb7icRO5v9zfzs65wDv4e9aKujTfvtK39zKGt9Y73Rfbl1/+2z9vCzc7z6Q/R2zFufRW8vGdtvu0TwnlDsyP9KkUTu/f8NbCAnyDEbsZ5NLU7vA0XZJlU7/OMGDFqqALRlAvnanWBFYrM6fuddL67tb37OmInGYUqxdsT0b7hbtIS56KkkV1fMQ5uvn25Y3+U3Ih8fGdgeRY1e/jpDUWjvbzZJHeAY8/dGFuO6et1gaHbva6FFGcBb+VeJHbJfyk2wihSUaNRUrBshVJi6McVwp0QlpN6nqGvhAjuliag9xc70QJ+hBE7wU6KkbB7ip0TaxgjI30dImrQJaQ3Ip/WyDRW+OYpjr+OEe0WaQjHL2Zo41UjwSiY714Pyh1+kdjdyh1+duCp+FiMjNqEcEwFgRt5rZjx8hVG7RTzSxO3snffVGS3QOziDHgTz9lNN8lg7Nv0dQix0/dqeiNywaE7nNqL8fJmk0IF9MbF1h2SYmLO7V5nrMpYwE8sErubuMPHxFDkabImkoWoYH0jVEMyTiTPvNConWbuiZO/FdmNiBbw24zsdNL4uiwn7uAju/RG5LvwvXkVkRTr5S0kBQpoj3e8aly8ZuJeUfeb12m8BfzEYrG7hTu8uigcs48rV5LCz/ZVwmLJI0I5SqV+WlBedb3xiuVjrsZeI3bOdF7wnkbihTuzL/TxCSfL7RLLuq1a72Zz7yvnlYOJjcjdt7c4Y0nPyztwoxXmoekk98k752ErfiXkOvq2qNuqJcI60gLey+j+yuyedydVb+UOryIm7JSodOFXWS7NEWEUTGYxpF2dOHyxUdtfXo0dcZ+zEyzF4y3gw3c7mKJ+LVt2jb0sG/8Ys70s27j/p3QSEURYYyLqrktkRO75brvh2PR25PPDU0c3N+3lLSQd6Gt5kWDCx1Z0X3l9zlrABz3vdq81XK16b+bhFu7wMdEWGfQJykUqlHIDwDBjWKAviBcbtUvwSxN//zm7RES+MOE+BNNJSokvVAX5MCt2s7k85RLEkYzm5DIVEwOm4vT9vu5bZSF2SWFGuBA7kD0rbIb1gNilwYx6yLk8iB0Aq/MXxA4AAGaB2AEAsgBiBwDIAogdACALIHYAgCxYKnax68fzK6R3sSN+hIXaa0neUXC9B1myUOyizZT/qtj5ezzuoKQQOwBSQIkdb5XumynzPEhIdROxc/fhPjfdb8ILbIu77PIBIAmB2AnGA0v+svMQO8dOKk/usH8bgCQ4YifaLtFmyq6/ue+HPqXa4Q/vva769rnpfq3d+/YJzrWCeEqnkl4pdDXcmnhJcrvcEiyTKLtA7zSyXUP3Wref+lpN9ztmPxcodBRfQykpvkCrNwTXe82t3bQBSMIkdrOGmoRjAe8HJ7iom8yhj9P5bhxjpcCgyVxr+GxoeYo3c1dD9+oNSM1XuV1MLru2njs8266he9XKYj4Q3cJ1FOPEN2/Sx7ne090b8au8reciAEnQYhdhlU4uTfQtGSOoWddMpfh72BoVDt2r/hoaz5kkkYhqUElyu2g7qeGzcVXAFh2pXV4D48WOceITkrgCxe6N7sNbuWkDkITIyI5/4kSHJIEf3BViR0UlhLRR2QPEagyfDb+0Gtcurz7BG8tssRPbtVTs+BrOJJEFit0bJXaI7MDDEzdnF7M0MXSv3hu/Eotd2sjOHwizKia2a6Y5U+INxI6pYURS6shu9ff/AhBB1GqsYKZs4YzjEosdOalEeQ5Hm7lTc2q0ikntCiqwcB4tidiFI+iZpLg5u7jXUWI1FmyFmOfsWDNl71XTkcNYwXtdnlx3MgaKs1DsnLHec9P9sxzb49sld8h8u0SxEzpKqOFM5bme57tX7EM8Zwc2w/wOitXNlAEA4HpmxW59M2UAALgeuJ4AALIAYgcAyAKIHQAgCyB2AIAsgNgBALLgf8TAXzs3JyYCAAAAAElFTkSuQmCC" alt="" />

总结:

当调用controller的一个方法，由于该 方法加了@RequiresPermissions("item:query") ，shiro调用realm获取数据库中的权限信息，看"item:query"是否在权限数据中存在，如果不存在就拒绝访问，如果存在就授权通过。

当展示一个jsp页面时，页面中如果遇到<shiro:hasPermission name="item:update">，shiro调用realm获取数据库中的权限信息，看item:update是否在权限数据中存在，如果不存在就拒绝访问，如果存在就授权通过。

还有一种情况是有时候连接是在Ajax请求之后拼接到页面的，有时候也需要根据权限进行判断,项目中也遇到这种情况:

思路:在页面中定义一个JS全局变量，在shiro权限标签里面，如果有权限修改全局变量的值，在JS中根据全局变量的值判断是否有权限

(1)页面定义全局变量

<script>

var hasOperatingDepart=false;

<script>

(2)页面用shiro标签判断是否有权限:(有权限会执行JS脚本改变全局变量的值)

<shiro:hasPermission name="department:operating">
<script>
hasOperatingDepart = true;
</script>
</shiro:hasPermission>

(3)JS拼接的时候根据全局变量判断是否有权限:

		// 有删除修改权限就显示连接
		if (hasOperatingDepart) {
			str += '<a onclick="updateDepartment(this)" class="el_delButton">修改</a> ';
		} else {
			str += "-";
		}

　　

有时候我们需要在代码中判断用户是否有某些权限;

        // 获取用户信息
        Subject currentUser = SecurityUtils.getSubject();
        boolean permitted = currentUser.isPermitted("exammanager:factory");// 判断是否有全厂管理的权限,有就不添加部门ID，没有就设为当前Session中的部门ID
        String departmentId = permitted ? null : departmentIdSession;

有时候我们需要在代码中判断用户是否有某些角色:

        // 获取用户信息
        Subject currentUser = SecurityUtils.getSubject();
        boolean hasRole = currentUser.hasRole("教研室");
        boolean hasRole2 = currentUser.hasRole("院长")

上面获取的主体的权限码是我们在授权的时候塞进去的,当然我们也可以将角色码也塞进去:

package cn.xm.jwxt.shiro;

import cn.xm.jwxt.bean.system.Permission;
import cn.xm.jwxt.bean.system.User;
import cn.xm.jwxt.service.system.UserService;
import cn.xm.jwxt.utils.ValidateCheck;
import org.apache.shiro.SecurityUtils;
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 java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @Author: qlq
 * @Description 自定义realm。根据上面传下来的token去数据库查信息，查到返回一个SimpleAuthenticationInfo，查不到返回null(用于shiro认证)
 * @Date: 21:56 2018/5/6
 */
public class CustomRealm extends AuthorizingRealm {

    @Autowired
    private UserService userService;

    // 设置realm的名称
    @Override
    public void setName(String name) {
        super.setName("customRealm");
    }

    // realm的认证方法，从数据库查询用户信息
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        String userCode=(String)token.getPrincipal();//获取token的主身份(登录的username
        User user = null;
        try {
            user =  userService.getUserByUserCode(userCode);
        } catch (Exception e) {
            e.printStackTrace();
        }
        AuthenticationInfo authenticationInfo=new SimpleAuthenticationInfo(user, user.getPassword(), this.getName());
        return authenticationInfo;
    }
    // 用于授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        //0.下面方法principals.getPrimaryPrincipal()获取的是在上面认证的时候装进AuthenticationInfo的对象
        String userId=((User)(principals.getPrimaryPrincipal())).getUserid();
        SimpleAuthorizationInfo simpleAuthorizationInfo=null;
        try {
            simpleAuthorizationInfo = new SimpleAuthorizationInfo();
            //1.设置所有的权限(注意权限是以字符串的形式保存的权限码)
            List<Permission> permissions1 = userService.selectPermissionsByUserId(userId);//获取所有权限码
            Set<String> permissions = new HashSet<>();
            for(Permission permission:permissions1){
                if(ValidateCheck.isNotNull(permission.getPermissioncode())){
                    permissions.add(permission.getPermissioncode());
                }
            }
            if (permissions != null && permissions.size()>0) {
                simpleAuthorizationInfo.setStringPermissions(permissions);
            }
            //2.设置角色，角色也是以字符串的形式表示(这里存的是角色名字)
            Set<String> userRoleNames = userService.getUserRoleNameByUserId(userId);
            if(userRoleNames != null && userRoleNames.size()>0){
                simpleAuthorizationInfo.setRoles(userRoleNames);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return simpleAuthorizationInfo;
    }

}

获取用户信息

@RequestMapping("/first.action")
        public String first(Model model)throws Exception{

            //从shiro的session中取activeUser
            Subject subject = SecurityUtils.getSubject();
            //取身份信息
            ActiveUser activeUser = (ActiveUser) subject.getPrincipal();
            //通过model传到页面
            model.addAttribute("activeUser", activeUser);

            return "/first";
        }