安全处理逻辑（security）

安全处理逻辑（security）

package com.springboot.demo.demo.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
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.crypto.bcrypt.BCryptPasswordEncoder;

//AOP :拦截器
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    //链式编程
    //请求授权的规则
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人可以访问，功能页只能对应有权限的人访问
        //请求授权的规则
        http.authorizeRequests()
                .antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("vip1")
                .antMatchers("level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");
        //没有权限默认回到登录页面,需要开启登录的页面
            // /login
        http.formLogin().loginPage("/toLogin").usernameParameter("user").passwordParameter("pwd").loginProcessingUrl("/login");
        //注销 开启了注销功能
        //防止网站工具
        http.csrf().disable(); //关闭csrf功能
        http.logout().logoutSuccessUrl("/");
        //开启记住我功能
        http.rememberMe().rememberMeParameter("remeber"); //默认保存两周
    }
    //认证
    //密码编码；PasswordEncoder
    //在Spring Secutiry5.0中，新增了很多的加密方式
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //这些数据正常应该从数据库读取
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("kuangshen").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2","vips")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2","vips")
                .and()
                .withUser("zhang").password(new BCryptPasswordEncoder().encode("123456")).roles("vip3");
    }
}

springMvcConfig扩展
继承 WebSecurityConfigurerAdapter.class类