package com.xkrs.common.config;

import com.xkrs.common.account.CustomAuthenticationProvider;
import com.xkrs.common.account.JwtAuthenticationFilter;
import com.xkrs.common.account.JwtLoginFilter;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
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.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled=true)
class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    /**
     * 设置 HTTP 验证规则
     * @param http
     * @throws Exception
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // 关闭csrf验证
        http.csrf().disable()
                // 对请求进行认证
                .authorizeRequests()
                // 所有 / 的所有请求 都放行
                //.antMatchers("/").permitAll()
                // 所有OPTIONS请求都放行
                .antMatchers(HttpMethod.OPTIONS).permitAll()
                // 所有 /user/add 用户注册 的POST请求 都放行
                .antMatchers(HttpMethod.POST, "/api/user/add").permitAll()
                // 所有 /user/check/duplicate 检查用户名是否重复 的POST请求 都放行
                .antMatchers(HttpMethod.POST, "/api/user/check/duplicate").permitAll()
                // 所有 /login 用户登录 的POST请求 都放行
                .antMatchers(HttpMethod.POST, "/api/login").permitAll()
                // 所有 app 用户注册 的POST请求 都放行
                .antMatchers(HttpMethod.POST, "/api/person-investigator/add").permitAll()
                .antMatchers("/ws/asset").permitAll()
                .antMatchers(HttpMethod.GET,"/api/user/booleanUserName").permitAll()
                .antMatchers(HttpMethod.POST,"/insertFirePoint").permitAll()
                .antMatchers(HttpMethod.POST,"/insertAppTask").permitAll()
                .antMatchers(HttpMethod.GET,"/selectAppTask").permitAll()
                .antMatchers(HttpMethod.GET,"/selectFirePointBetweenSeven").permitAll()
                .antMatchers(HttpMethod.GET,"/selectFirePointNum").permitAll()
                // 所有其它请求需要身份认证
                .anyRequest().authenticated()
                .and()
                // 添加一个过滤器 所有访问 /login 的请求交给 JWTLoginFilter 来处理 这个类处理所有的JWT相关内容
                .addFilterBefore(new JwtLoginFilter("/api/login", authenticationManager()),
                        UsernamePasswordAuthenticationFilter.class)
                // 添加一个过滤器验证其他请求的Token是否合法
                .addFilterBefore(new JwtAuthenticationFilter(),
                        UsernamePasswordAuthenticationFilter.class);
    ;}

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        // 使用自定义身份验证组件
        auth.authenticationProvider(new CustomAuthenticationProvider());
    }
}