spring-security

package com.gmy.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思想：拦截器
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    //授权
    //链式编程
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人都可以访问，功能页只有有权限的人才能访问
        //请求授权的规则
        http.authorizeRequests()
                .antMatchers("/").permitAll()//所有人都可以访问
                .antMatchers("/level1/**").hasRole("vip1")//vip1的可以访问level1
                .antMatchers("/level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");


        //没有权限会到登陆页面,需要开启登录页面,定制登录页
        http.formLogin().loginPage("/toLogin");

        //注销功能
        http.csrf().disable();//关闭csrf，
        http.logout().logoutSuccessUrl("/");

        //开启记录我功能 cookie功能 ，默认两周
        http.rememberMe();
    }

    //认证
    //There is no PasswordEncoder mapped for the id "null"
    //在spring secutiry 增加了更多加密方式
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //这些数据正常从数据库中取

        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("gmy").password(new BCryptPasswordEncoder().encode("135246")).roles("vip1","vip2","vip3")//设置一个用户的权限级别
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("135246")).roles("vip1","vip2")
                .and().
                withUser("ozl").password(new BCryptPasswordEncoder().encode("135246")).roles("vip3");
    }
}