Security集成登录认证

添加依赖

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

 

配置类

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder(){
        return new BCryptPasswordEncoder();
    }

    public static void main(String[] args) {
        //加密策略 MD5 不安全 彩虹表  MD5 加盐
        String mszlu = new BCryptPasswordEncoder().encode("hecdsg123");
        System.out.println(mszlu);
    }
    @Override
    public void configure(WebSecurity web) throws Exception {
        super.configure(web);
    }
    @Override
    protected void configure(HttpSecurity http) throws Exception {

        http.authorizeRequests() //开启登录认证
//                .antMatchers("/user/findAll").hasRole("admin") //访问接口需要admin的角色
                .antMatchers("/css/**").permitAll()
                .antMatchers("/img/**").permitAll()
                .antMatchers("/js/**").permitAll()
                .antMatchers("/plugins/**").permitAll()  
                .antMatchers("/admin/**").access("@authService.auth(request,authentication)") //自定义service 来去实现实时的权限认证
                .antMatchers("/pages/**").authenticated()
                .and().formLogin()
                .loginPage("/login.html") //自定义的登录页面
                .loginProcessingUrl("/login") //登录处理接口
                .usernameParameter("username") //定义登录时的用户名的key 默认为username
                .passwordParameter("password") //定义登录时的密码key，默认是password
                .defaultSuccessUrl("/pages/main.html")
                .failureUrl("/login.html")
                .permitAll() //通过 不拦截，更加前面配的路径决定，这是指和登录表单相关的接口 都通过
                .and().logout() //退出登录配置
                .logoutUrl("/logout") //退出登录接口
                .logoutSuccessUrl("/login.html")
                .permitAll() //退出登录的接口放行
                .and()
                .httpBasic()
                .and()
                .csrf().disable() //csrf关闭 如果自定义登录 需要关闭
                .headers().frameOptions().sameOrigin();// 支持iframe页面嵌套
    }
}

 

SecurityUserService类编写 ==》 登录认证

@Component
public class SecurityUserService implements UserDetailsService {

    @Autowired
    AdminService adminService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

　　　　　　//当用户登录的时候，springSecurity 就会将请求 转发到此
　　　　　　//根据用户名 查找用户，不存在 抛出异常，存在 将用户名，密码，授权列表 组装成springSecurity的User对象 并返回

        Admin admin = adminService.selectPasswordByUserName(username);
        if (admin == null){
            //登录失败
            return null;
        }
        UserDetails userDetails = new User(username,admin.getPassword(),new ArrayList<>());
 　　　　//剩下的认证 就由框架帮我们完成
        return userDetails;
    }
}

 

AdminService类编写

@Service
public class AdminService {
    @Autowired
    private AdminMapper adminMapper;

    public Admin selectPasswordByUserName(String username) {
        LambdaQueryWrapper<Admin> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Admin::getUsername,username);
        queryWrapper.last("limit 1");
        Admin admin = adminMapper.selectOne(queryWrapper);
        return admin;
    }

    public List<Permission> findPermissionByAdminId(Long id) {
        return adminMapper.findPermissionByAdminId(id);
    }
}

 

AuthService类编写 ==》权限认证

@Service
public class AuthService {
    @Autowired
    private AdminService adminService;

    public boolean auth(HttpServletRequest request, Authentication authentication){
        //权限认证
        //请求路径
        String requestURI = request.getRequestURI();
        Object principal = authentication.getPrincipal();

        if (principal == null || "anonymousUser".equals(principal)){
            //未登录
            return false;
        }

        UserDetails userDetails = (UserDetails) principal;
        String username = userDetails.getUsername();
        Admin admin = adminService.selectPasswordByUserName(username);
        if (admin==null){
            return false;
        }
        if(admin.getId()==1){
            //超级管理员
            return true;
        }
        Long id = admin.getId();
        List<Permission> permissions = adminService.findPermissionByAdminId(id);
        requestURI = StringUtils.split(requestURI, "?")[0];
        for (Permission permission : permissions) {
            if (requestURI.equals(permission.getPath())){
                return true;
            }
        }
        return false;
    }
}