package com.cnbm.admin.config;

import com.cnbm.admin.filter.JwtAuthenticationTokenFilter;
import com.cnbm.admin.handler.LogoutHandlerImpl;
import com.cnbm.admin.handler.LogoutSuccessHandlerImpl;
import com.cnbm.admin.service.impl.UserDetailsServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
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.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;

/**
 * @Author weihongyang
 * @Date 2022/6/8 1:51 PM
 * @Version 1.0
 */
@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    //创建BCryptPasswordEncoder注入容器
    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }
    @Autowired
    private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;


    @Autowired
    private AuthenticationEntryPoint authenticationEntryPoint;

    @Autowired
    private AccessDeniedHandler accessDeniedHandler;

    @Autowired
    private UserDetailsServiceImpl userDetailsService;

    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    @Autowired
    private LogoutHandlerImpl logoutHandler;


    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                //关闭csrf
                .csrf().disable()
                //不通过Session获取SecurityContext
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and()
                .authorizeRequests()
                // 对于登录接口 允许匿名访问
                .antMatchers("/login","/doLogout","/swagger/**","/v2/**",
                        "/doc.html",
                        "/swagger-resources/**",
                        "/swagger-ui/**",
                        "/webjars/**",
                        "/captcha").anonymous()
//                .antMatchers("/testCors").hasAuthority("system:dept:list222")
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest()
                .authenticated()
                // 退出登录，默认为/logout，这里修改接口地址为 /doLogout
                .and().logout().logoutUrl("/doLogout")
                .addLogoutHandler(logoutHandler)
                // 设置退出登录成功处理程序，退出成功后返回JSON字符串
                .logoutSuccessHandler(logoutSuccessHandler);

        //添加过滤器
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
        http.addFilterBefore(jwtAuthenticationTokenFilter, LogoutFilter.class);
        //配置异常处理器
        http.exceptionHandling()
                //配置认证失败处理器
                .authenticationEntryPoint(authenticationEntryPoint)
                .accessDeniedHandler(accessDeniedHandler);

        //允许跨域
        http.cors();
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }


    @Bean
    public AuthenticationProvider daoAuthenticationProvider() {
        DaoAuthenticationProvider daoAuthenticationProvider = new DaoAuthenticationProvider();
        daoAuthenticationProvider.setUserDetailsService(userDetailsService);
        daoAuthenticationProvider.setPasswordEncoder(passwordEncoder());
        daoAuthenticationProvider.setHideUserNotFoundExceptions(false);
        return daoAuthenticationProvider;
    }
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        // 加入自定义认证, 无需配置userDetailsService，否则会执行默认的provider
        //        auth.authenticationProvider(myAuthenticationProvider());
       /* auth.userDetailsService(userService)
                .passwordEncoder(passwordEncoder());*/
        auth.authenticationProvider(daoAuthenticationProvider());
    }
}