Spring Security - 重写认证(登录)

 

 bean：

LeUser.java

@Data
public class LeUser {
    private String userId;
    private String userName;
    private String userPassword;
}

LeUserDetails.java

@Data
//重写UserDetails
public class LeUserDetails implements UserDetails, Serializable {
    //自定义的user类
    private LeUser leUser;

    public LeUserDetails(LeUser leUser) {
        this.leUser = leUser;
    }

    //权限
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        return null;
    }

    //用户密码
    @Override
    public String getpassword() {
        return leUser.getUserPassword();
    }

    //用户名称
    @Override
    public String getUsername() {
        return leUser.getUserName();
    }

    //账号是否未过期
    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    //账号是否未锁定
    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    //密码是否未过期
    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    //是否激活
    @Override
    public boolean isEnabled() {
        return true;
    }
}

 

config:

SecurityConfig.java

/*
 * Security配置类
 * 要实现WebSecurityConfigurerAdapter抽象类
 * */
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    //用户Service，根据前端用户名从数据库中查询用户信息
    @Autowired
    UserDetailsService userDetailsService;

    //加密方式
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }

    //配置
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //配置接口与加密方式
        auth.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder());
    }
}

 

mapper:

LeUserMapper.java

//LeUser 查询数据库接口
@Mapper
@Repository
public interface LeUserMapper {
    //根据username查询LeUser
    public LeUser getLeUserByName(String username);
}

<?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">
<!--绑定一个对应的接口-->
<mapper namespace="com.example.security_reback.mapper.LeUserMapper">
    <!--根据username查询-->
    <select id="getLeUserByName" resultType="LeUser">
        SELECT * FROM le_user WHERE user_name=#{userName}
    </select>
</mapper>

 

service/impl:

UserDetailsServiceImpl.java

/**
 * 实现UserDetailsService接口
 * 自定义查询数据库的类
 * */
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    @Autowired
    LeUserMapper leUserMapper;

    //String s 前端传过来的用户名称
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //调用mapper中的方法，根据username查询用户
        LeUser leUser = leUserMapper.getLeUserByName(username);

        if(Objects.isNull(leUser)){
            throw new UsernameNotFoundException("用户不存在");
        }
        //判断是否相等，(前端数据与数据库中的数据相比较)
        return new LeUserDetails(leUser);
    }
}

 

        <!--security-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.2</version>
        </dependency>

        <!--mysql-connector-java -->
        <dependency>
            <groupId>MysqL</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.20</version>
        </dependency>

        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.22</version>
            <scope>provided</scope>
        </dependency>

 

server:
  port: 8080
spring:
  datasource:
    username: root
    password: root
    url: jdbc:MysqL://124.223.94.17:3306/learn?serverTimezone=UTC
    driver-class-name: com.MysqL.cj.jdbc.Driver
  #redis配置
  redis:
    database: 0
    host: 124.223.94.17 # Redis服务器地址
    port: 6379 # Redis服务器连接端口
    password: leviAckerman2641949252 # Redis服务器连接密码（默认为空）

#mybatis
mybatis:
  #配置别名
  type-aliases-package: com.example.security_reback.bean
  #配置 xml 文件映射
  mapper-locations: classpath:mapper/*.xml

  configuration:
    map-underscore-to-camel-case: true