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【Shiro学习之一】Shiro入门

作者:互联网

一、Shiro

Apache Shiro是一个Java安全框架。

1、官网:http://shiro.apache.org/

2、三个核心组件

Subject:即“当前操作用户”,可以指人、第三方进程、后台帐户或其他类似事物。Subject代表了当前用户的安全操作,SecurityManager则管理所有用户的安全操作。

SecurityManager:它是Shiro框架的核心,典型的Facade模式,Shiro通过SecurityManager来管理内部组件实例,并通过它来提供安全管理的各种服务。
  
Realm:Realm充当了Shiro与应用安全数据间的“桥梁”或者“连接器”。也就是说,当对用户执行认证(登录)和授权(访问控制)验证时,Shiro会从应用配置的Realm中查找用户及其权限信息。
从这个意义上讲,Realm实质上是一个安全相关的DAO:它封装了数据源的连接细节,并在需要时将相关数据提供给Shiro。当配置Shiro时,配置多个Realm是可以的,但是至少需要一个。


二、SpringBoot集成Shiro

1、依赖配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.9.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.wjy</groupId>
    <artifactId>shirodemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>shirodemo</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.4.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>
View Code

2、Shiro配置

package com.wjy.shirodemo;

import java.util.HashMap;
import java.util.Map;

import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class ShiroConfig {
    @Bean
    public ShiroFilterFactoryBean shirFilter(SecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(securityManager);

        Map<String, String> filterChainDefinitionMap = new HashMap<String, String>();
        //登录时访问的地址,即没有登录时访问任何页面跳转的地址
        shiroFilterFactoryBean.setLoginUrl("/login");
        //认证未通过访问的地址,即经过认证但是没有相应的权限时跳转的地址
        shiroFilterFactoryBean.setUnauthorizedUrl("/unauthc");
        //设置认证成功之后转向的地址
        shiroFilterFactoryBean.setSuccessUrl("/authc/index");

        // /* anon表示不拦截  允许任何人访问
        filterChainDefinitionMap.put("/*", "anon");
        // /authc/index 必须登录才能访问
        filterChainDefinitionMap.put("/authc/index", "authc");
        // /authc/admin  需要有admin角色才能访问
        filterChainDefinitionMap.put("/authc/admin", "roles[admin]");
        // /authc/renewable 需要有Create,Update权限
        filterChainDefinitionMap.put("/authc/renewable", "perms[Create,Update]");
        // /authc/removable需要有Delete权限
        filterChainDefinitionMap.put("/authc/removable", "perms[Delete]");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return shiroFilterFactoryBean;
    }

    @Bean
    public HashedCredentialsMatcher hashedCredentialsMatcher() {
        HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
        // 散列算法
        hashedCredentialsMatcher.setHashAlgorithmName(PasswordHelper.ALGORITHM_NAME);
        // 散列次数
        hashedCredentialsMatcher.setHashIterations(PasswordHelper.HASH_ITERATIONS);
        return hashedCredentialsMatcher;
    }

    @Bean
    public EnceladusShiroRealm shiroRealm() {
        EnceladusShiroRealm shiroRealm = new EnceladusShiroRealm();
        // 原来在这里
        shiroRealm.setCredentialsMatcher(hashedCredentialsMatcher());
        return shiroRealm;
    }

    @Bean
    public SecurityManager securityManager() {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(shiroRealm());
        return securityManager;
    }

    @Bean
    public PasswordHelper passwordHelper() {
        return new PasswordHelper();
    }
}

其他代码参考:githup


验证:
(1)注册:http://localhost:8088/register?username=wjy&password=123456

(2)未登录而访问index:http://localhost:8088/authc/index 会跳转到登录页面: http://localhost:8088/login

(3)使用错误密码登录:http://localhost:8088/doLogin?username=wjy&password=123

(4)登录成功:http://localhost:8088/doLogin?username=wjy&password=123456 跳转到http://localhost:8088/authc/index


参考
30分钟学会如何使用Shiro 
30分钟了解Springboot整合Shiro 
Shiro核心设计思想 

标签:入门,spring,boot,springframework,学习,authc,org,Shiro
来源: https://www.cnblogs.com/cac2020/p/11700100.html