/*
 * Copyright © 2026 Qiantong Technology Co., Ltd.
 * qModel Model Platform(Open Source Edition)
 *  *
 * License:
 * Released under the Apache License, Version 2.0.
 * You may use, modify, and distribute this software for commercial purposes
 * under the terms of the License.
 *  *
 * Special Notice:
 * All derivative versions are strictly prohibited from modifying or removing
 * the default system logo and copyright information.
 * For brand customization, please apply for brand customization authorization via official channels.
 *  *
 * More information: https://qmodel.qiantong.tech/business.html
 *  *
 * ============================================================================
 *  *
 * 版权所有 © 2026 江苏千桐科技有限公司
 * qModel 模型平台（开源版）
 *  *
 * 许可协议：
 * 本项目基于 Apache License 2.0 开源协议发布，
 * 允许在遵守协议的前提下进行商用、修改和分发。
 *  *
 * 特别说明：
 * 所有衍生版本不得修改或移除系统默认的 LOGO 和版权信息；
 * 如需定制品牌，请通过官方渠道申请品牌定制授权。
 *  *
 * 更多信息请访问：https://qmodel.qiantong.tech/business.html
 */

package tech.qiantong.qmodel.security.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.ProviderManager;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
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.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.web.filter.CorsFilter;
import tech.qiantong.qmodel.security.config.properties.PermitAllUrlProperties;
import tech.qiantong.qmodel.security.filter.JwtAuthenticationTokenFilter;
import tech.qiantong.qmodel.security.handle.AuthenticationEntryPointImpl;
import tech.qiantong.qmodel.security.handle.LogoutSuccessHandlerImpl;

import javax.annotation.Resource;

/**
 * spring security配置
 *
 * @author anivia
 */
@EnableMethodSecurity(prePostEnabled = true, securedEnabled = true)
@Configuration
public class SecurityConfig
{
    /**
     * 自定义用户认证逻辑
     */
    @Resource
    private UserDetailsService userDetailsService;

    /**
     * 认证失败处理类
     */
    @Resource
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出处理类
     */
    @Resource
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token认证过滤器
     */
    @Resource
    private JwtAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 跨域过滤器
     */
    @Resource
    private CorsFilter corsFilter;

    /**
     * 允许匿名访问的地址
     */
    @Resource
    private PermitAllUrlProperties permitAllUrl;

    /**
     * 身份验证实现
     */
    @Bean
    public AuthenticationManager authenticationManager()
    {
        DaoAuthenticationProvider daoAuthenticationProvider = new DaoAuthenticationProvider();
        daoAuthenticationProvider.setUserDetailsService(userDetailsService);
        daoAuthenticationProvider.setPasswordEncoder(bCryptPasswordEncoder());
        return new ProviderManager(daoAuthenticationProvider);
    }

    /**
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
     * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
     * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
     * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Bean
    protected SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Exception
    {
        return httpSecurity
            // CSRF禁用，因为不使用session
            .csrf(csrf -> csrf.disable())
            // 禁用HTTP响应标头
            .headers((headersCustomizer) -> {
                headersCustomizer.cacheControl(cache -> cache.disable()).frameOptions(options -> options.sameOrigin());
            })
            // 认证失败处理类
            .exceptionHandling(exception -> exception.authenticationEntryPoint(unauthorizedHandler))
            // 基于token，所以不需要session
            .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
            // 注解标记允许匿名访问的url
            .authorizeHttpRequests((requests) -> {
                permitAllUrl.getUrls().forEach(url -> requests.antMatchers(url).permitAll());
                // 对于登录login 注册register 验证码captchaImage 允许匿名访问
                requests.antMatchers("/login", "/register", "/captchaImage", "/flyflow/**").permitAll()
                    // 静态资源，可匿名访问
                    .antMatchers(HttpMethod.GET, "/",
                            "/*.html",
                            "/**/*.html",
                            "/**/*.css",
                            "/**/*.js",
                            "/static/**",
                            "/index/**",
                            "/admin/**",
                            "/assets/**",
                            "/profile/**",
                            "/sso/**",
                            "/favicon.ico"
                    ).permitAll()
                    .antMatchers("/swagger-ui.html",
                            "/swagger-resources/**",
                            "/webjars/**",
                            "/*/api-docs",
                            "/v3/api-docs/**",
                            "/druid/**",
                            "/websocket/**",
                            "/payment/**",
                            "/syncData/**",
                            "/sys/**",
                            "/oauth2/**"
                    ).permitAll()
                    // 除上面外的所有请求全部需要鉴权认证
                    .anyRequest().authenticated();
            })
            // 添加Logout filter
            .logout(logout -> logout.logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler))
            // 添加JWT filter
            .addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class)
            // 添加CORS filter
            .addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class)
            .addFilterBefore(corsFilter, LogoutFilter.class)
            .build();
    }

    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder()
    {
        return new BCryptPasswordEncoder();
    }
}
