package com.rzyc.config;

import com.rzyc.filter.JwtAuthenticationTokenFiler;
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.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.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

/**
 * spring security config
 * @author Xuwanxin
 * @date 2022/9/26
 * */
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    /**
     * 数据库用户连接
     */
    private UserDetailsService userService;


    /**
     * token jwt 验证拦截器
     * */
    private JwtAuthenticationTokenFiler jwtAuthenticationTokenFiler;

    @Autowired
    public void setSecurityConfigFinder(UserDetailsService userService,JwtAuthenticationTokenFiler jwtAuthenticationTokenFiler) {
        this.userService = userService;
        this.jwtAuthenticationTokenFiler = jwtAuthenticationTokenFiler;
    }


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

    /**
     * 暴露AuthenticationManager，存上下文
     * */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception
    {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
                // 对于登录接口 允许匿名访问
                .antMatchers("pcPersonal/pclogin","pcPersonal/pcManageLogin","generateCode").anonymous()
                //放行swagger
                .antMatchers("/swagger-ui.html","/swagger-resources/**","/webjars/**","/v2/**","/api/**").permitAll()
                // 除上面外的所有请求全部需要鉴权认证,配置退出路径
                .anyRequest().authenticated()
                .and()
                .logout().logoutUrl("/logout")
                .and()
                //关闭security默认登陆框
                .formLogin().disable()
                //关闭csrf
                .csrf().disable()
                //不通过Session获取SecurityContext
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and().addFilterBefore(jwtAuthenticationTokenFiler, UsernamePasswordAuthenticationFilter.class)
                ;
    }


    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        // 配置数据库访问，认证步骤
        auth.userDetailsService(userService);
    }

}