《代码实例》Security前后端分离的成功处理器，失败处理器，未登录处理器，未授权处理器

config
CorsConfig.java

package com.x.springsecurityday01.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CorsConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 设置允许跨域的路径
        registry.addMapping("/**")
                // 设置允许跨域请求的域名
                .allowedOriginPatterns("*")
                // 是否允许cookie
                .allowCredentials(false)
                // 设置允许的请求方式
                .allowedMethods("GET", "POST", "DELETE", "PUT")
                // 设置允许的header属性
                .allowedHeaders("*")
                // 跨域允许时间
                .maxAge(3600);
    }

}

SecurityConfig.java

package com.x.springsecurityday01.config;

import com.x.springsecurityday01.dao.UserDao;
import com.x.springsecurityday01.handler.LoginFailHandler;
import com.x.springsecurityday01.handler.LoginSuccessHandler;
import com.x.springsecurityday01.handler.NOAuthHandler;
import com.x.springsecurityday01.handler.NoLoginHandler;
import com.x.springsecurityday01.service.SecurityService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@EnableWebSecurity
@EnableGlobalMethodSecurity(securedEnabled = true,jsr250Enabled = true,prePostEnabled=true)//作用：开启注解式鉴权
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private SecurityService securityService;

    /**
     * 认证
     * @param auth
     * @throws Exception
     */
    @Override
    public void configure(AuthenticationManagerBuilder auth) throws Exception {
        //BCryptPasswordEncoder passwordEncoder=new BCryptPasswordEncoder();
        //String encode=passwordEncoder.encode("123");
        //自定义用户名和密码
       // auth.inMemoryAuthentication().withUser("admin").password(encode).roles("admin");
        auth.userDetailsService(securityService);
    }

    /**
     * 自定义登录页面
     * @param http
     * @throws Exception
     */
    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.formLogin() //告诉框架自定义页面
                //.loginPage("/login.html") //登录页面地址
                //.loginProcessingUrl("/dologin")//对应表单提交的action
                .successHandler(new LoginSuccessHandler())
                .failureHandler(new LoginFailHandler())
                .permitAll();//对上面两个请求放行
        //1.无权限2.未登录而登录
        http.exceptionHandling()
                .accessDeniedHandler(new NOAuthHandler())
                .authenticationEntryPoint(new NoLoginHandler());
        /**
         * 授权
         */
        http.authorizeRequests()
                //.antMatchers("/hello").hasAuthority("stu:query")
                //.antMatchers("/delete").hasAuthority("stu:query")
                //.antMatchers("/hello").hasAnyAuthority("stu:query","hello")
                //.antMatchers("/hello").hasRole("stu:query")
                //.antMatchers("/delete").permitAll() //配置免拦截方法

                .anyRequest().authenticated();//所有请求都拦截


        //跨站脚本攻击关闭
        http.csrf().disable();

        //允许跨域请求
        http.cors();

    }

    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }
}

controller
HelloController.java

package com.x.springsecurityday01.controller;

import org.springframework.security.access.annotation.Secured;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.security.PermitAll;

@RestController
/**
 * @RequestBody+@Controller=@RestController
 */
public class HelloController {

    //@Secured("ROLE_stu:query")
    //@PermitAll()
    @PreAuthorize("hasAuthority('stu:query')")
    @RequestMapping("/hello")
    public String hello(){
        return "hello security";
    }

    @RequestMapping("/delete")
    public String delete(){
        return "hello delete";
    }
}

dao
UserDao.java

package com.x.springsecurityday01.dao;

import com.x.springsecurityday01.domain.Users;
import org.springframework.stereotype.Repository;

@Repository
public interface UserDao {
    /**
     * 根据账号查用户信息及其权限
     */
    Users getUserInfoByAccount(String account);
}

domain
Users.java

package com.x.springsecurityday01.domain;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.List;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Users {

    private Integer id;

    private String username;

    private String account;

    private String password;

    private List<String> anth;//该用户拥有的权限
}

handler
LoginFailHandler.java

package com.x.springsecurityday01.handler;

import com.alibaba.fastjson.JSON;
import com.x.springsecurityday01.util.ResponseResult;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 登陆失败
 */
public class LoginFailHandler implements AuthenticationFailureHandler{
    @Override
    public void onAuthenticationFailure(HttpServletRequest httpServletRequest,
                                        HttpServletResponse httpServletResponse,
                                        AuthenticationException e)
            throws IOException, ServletException {

        httpServletResponse.setContentType("application/json;charset=UTF-8");

//        Map map=new HashMap<>();
//        map.put("code",500);
        httpServletResponse.getWriter().write(JSON.toJSONString(ResponseResult.LOGIN_FAIL));

    }
}

LoginSuccessHandler.java

package com.x.springsecurityday01.handler;

import com.alibaba.fastjson.JSON;
import com.x.springsecurityday01.util.ResponseResult;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 登录成功处理器
 */
public class LoginSuccessHandler implements AuthenticationSuccessHandler {

    @Override
    public void onAuthenticationSuccess(HttpServletRequest httpServletRequest,
                                        HttpServletResponse httpServletResponse,
                                        Authentication authentication)
            throws IOException, ServletException {

        httpServletResponse.setContentType("application/json;charset=UTF-8");
        httpServletResponse.getWriter().write(JSON.toJSONString( ResponseResult.LOGIN_SUCCESS));

    }
}

NOAuthHandler.java

package com.x.springsecurityday01.handler;

import com.alibaba.fastjson.JSON;
import com.x.springsecurityday01.util.ResponseResult;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 用户登录成功后，但是访问无权限的接口
 */
public class NOAuthHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest httpServletRequest,
                       HttpServletResponse httpServletResponse,
                       AccessDeniedException e)
            throws IOException, ServletException {
        httpServletResponse.setContentType("application/json;charset=UTF-8");
        httpServletResponse.getWriter().write(JSON.toJSONString( ResponseResult.NO_AUTH));
    }
}

NoLoginHandler.java

package com.x.springsecurityday01.handler;

import com.alibaba.fastjson.JSON;
import com.x.springsecurityday01.util.ResponseResult;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 用户未登录，就想访问系统接口
 */
public class NoLoginHandler implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest httpServletRequest,
                         HttpServletResponse httpServletResponse,
                         AuthenticationException e)
            throws IOException, ServletException {
        httpServletResponse.setContentType("application/json;charset=UTF-8");
        httpServletResponse.getWriter().write(JSON.toJSONString( ResponseResult.NO_LOGIN));


    }
}

service
SecurityService.java

package com.x.springsecurityday01.service;

import com.x.springsecurityday01.dao.UserDao;
import com.x.springsecurityday01.domain.Users;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class SecurityService implements UserDetailsService {
    @Autowired
    private PasswordEncoder passwordEncoder;
    @Autowired
    private UserDao userDao;
    /**
     * username：页面传过来的用户名
     * @param username
     * @return
     * @throws UsernameNotFoundException
     */
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        Users userInfo=userDao.getUserInfoByAccount(username);
        if(userInfo!=null){
            String join =String.join(",",userInfo.getAnth());//集合以
            //根据username 去数据库查该用户信息
            return new User(userInfo.getAccount(),passwordEncoder.encode(userInfo.getPassword()), AuthorityUtils.commaSeparatedStringToAuthorityList(join));

        }else {
            throw new UsernameNotFoundException("用户不存在");
        }

    }
}

util
ResponseEnum.java

package com.x.springsecurityday01.util;

public enum ResponseEnum {

    LOGIN_SUCCESS(200,"okkk"),
    LOGIN_FAIL(500,"faill"),
    NO_LOGIN(20001,"NOLOGIN"),
    NO_AUTH(5000,"NOAUTH")

    ;

    private Integer code;

    private String msg;

    ResponseEnum(Integer code, String msg) {
        this.code = code;
        this.msg = msg;
    }

    ResponseEnum() {
    }


    public Integer getCode() {
        return code;
    }

    public void setCode(Integer code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }
}

ResponseResult.java

package com.x.springsecurityday01.util;

import lombok.Data;

@Data
public class ResponseResult<T> {

    private Integer code;

    private String msg;

    private T data;

    public static final ResponseResult<Void> LOGIN_SUCCESS=
            new ResponseResult(ResponseEnum.LOGIN_SUCCESS.getCode(),
                    ResponseEnum.LOGIN_SUCCESS.getMsg());

    public static final ResponseResult<Void> LOGIN_FAIL=
            new ResponseResult(ResponseEnum.LOGIN_FAIL.getCode(),
                    ResponseEnum.LOGIN_FAIL.getMsg());

    public static final ResponseResult<Void> NO_LOGIN=
            new ResponseResult(ResponseEnum.NO_LOGIN.getCode(),
                    ResponseEnum.NO_LOGIN.getMsg());

    public static final ResponseResult<Void> NO_AUTH=
            new ResponseResult(ResponseEnum.NO_AUTH.getCode(),
                    ResponseEnum.NO_AUTH.getMsg());

    public ResponseResult(Integer code, T data) {
        this.code = code;
        this.data = data;
    }

    public ResponseResult(Integer code, String msg) {
        this.code = code;
        this.msg = msg;
    }


}

启动类
Springsecurityday01Application.java

package com.woniu.springsecurityday01;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
@MapperScan("com.x.springsecurityday01.dao")
public class Springsecurityday01Application {

    public static void main(String[] args) {
        SpringApplication.run(Springsecurityday01Application.class, args);
    }

}

UserDao.xml

<?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.x.springsecurityday01.dao.UserDao">
        <resultMap id="userMap" type="com.x.springsecurityday01.domain.Users">
            <result property="id" column="id"></result>
            <result property="username" column="username"></result>
            <result property="account" column="account"></result>
            <result property="password" column="password"></result>

            <collection property="anth" ofType="java.lang.String">
                <result column="anth_code"></result>

            </collection>

        </resultMap>


        <select id="getUserInfoByAccount" resultMap="userMap">
            SELECT
            us.id,
            us.username,
            us.account,
            us.password,
            ta.anth_code
            FROM
            users  us
            left join t_user_anth tua on us.id=tua.user_id
            left join t_anth ta on tua.anth_id=ta.id

            WHERE account=#{account}



        </select>
</mapper>

application.yml

server:
  port: 8082
spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC
    username: root
    password: 111111


mybatis:
  mapper-locations: classpath:mapper/*Dao.xml

logging:
  level:
    com.x.dao: debug
  pattern:
    console: '%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n'

pom.xml

<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>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.5.4version>
        <relativePath/> 
    parent>
    <groupId>com.woniugroupId>
    <artifactId>springsecurityday01artifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>springsecurityday01name>
    <description>Demo project for Spring Bootdescription>
    <properties>
        <java.version>1.8java.version>
    properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-securityartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>

        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>

        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-securityartifactId>
        dependency>

        
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <version>8.0.32version>
        dependency>
        
        <dependency>
            <groupId>com.baomidougroupId>
            <artifactId>mybatis-plus-boot-starterartifactId>
            <version>3.5.1version>
        dependency>
        
        <dependency>
            <groupId>org.mybatis.spring.bootgroupId>
            <artifactId>mybatis-spring-boot-starterartifactId>
            <version>2.2.0version>
        dependency>
        
        <dependency>
            <groupId>com.alibabagroupId>
            <artifactId>fastjsonartifactId>
            <version>2.0.12version>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombokgroupId>
                            <artifactId>lombokartifactId>
                        exclude>
                    excludes>
                configuration>
            plugin>
        plugins>
    build>

project>