content: package com.genersoft.iot.vmp.conf.security;
  
  import com.genersoft.iot.vmp.conf.UserSetting;
  import lombok.extern.slf4j.Slf4j;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.core.annotation.Order;
  import org.springframework.security.authentication.AuthenticationManager;
  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.EnableWebSecurity;
  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.web.authentication.UsernamePasswordAuthenticationFilter;
  import org.springframework.web.cors.CorsConfiguration;
  import org.springframework.web.cors.CorsConfigurationSource;
  import org.springframework.web.cors.CorsUtils;
  import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  /**
   * 配置Spring Security
   *
   * @author lin
   */
  @Configuration
  @EnableWebSecurity
  @EnableGlobalMethodSecurity(prePostEnabled = true)
  @Order(1)
  @Slf4j
  public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
  
      @Autowired
      private UserSetting userSetting;
  
      @Autowired
      private DefaultUserDetailsServiceImpl userDetailsService;
      /**
       * 登出成功的处理
       */
      @Autowired
      private LogoutHandler logoutHandler;
      /**
       * 未登录的处理
       */
      @Autowired
      private AnonymousAuthenticationEntryPoint anonymousAuthenticationEntryPoint;
      @Autowired
      private JwtAuthenticationFilter jwtAuthenticationFilter;
  
  
      /**
       * 配置认证方式
       *
       * @param auth
       * @throws Exception
       */
      @Override
      protected void configure(AuthenticationManagerBuilder auth) throws Exception {
          DaoAuthenticationProvider provider = new DaoAuthenticationProvider();
          // 设置不隐藏 未找到用户异常
          provider.setHideUserNotFoundExceptions(true);
          // 用户认证service - 查询数据库的逻辑
          provider.setUserDetailsService(userDetailsService);
          // 设置密码加密算法
          provider.setPasswordEncoder(passwordEncoder());
          auth.authenticationProvider(provider);
      }
  
      @Override
      protected void configure(HttpSecurity http) throws Exception {
          List<String> defaultExcludes = new ArrayList<>();
          defaultExcludes.add("/");
          defaultExcludes.add("/#/**");
          defaultExcludes.add("/static/**");
  
          defaultExcludes.add("/swagger-ui.html");
          defaultExcludes.add("/swagger-ui/**");
          defaultExcludes.add("/swagger-resources/**");
          defaultExcludes.add("/doc.html");
          defaultExcludes.add("/doc.html#/**");
          defaultExcludes.add("/v3/api-docs/**");
  
          defaultExcludes.add("/index.html");
          defaultExcludes.add("/webjars/**");
  
          defaultExcludes.add("/js/**");
          defaultExcludes.add("/api/device/query/snap/**");
          defaultExcludes.add("/record_proxy/*/**");
          defaultExcludes.add("/api/emit");
          defaultExcludes.add("/favicon.ico");
          defaultExcludes.add("/api/user/login");
          defaultExcludes.add("/index/hook/**");
          defaultExcludes.add("/api/device/query/snap/**");
          defaultExcludes.add("/index/hook/abl/**");
          defaultExcludes.add("/api/jt1078/playback/download");
          defaultExcludes.add("/api/jt1078/snap");
  
  
  
          if (userSetting.getInterfaceAuthentication() && !userSetting.getInterfaceAuthenticationExcludes().isEmpty()) {
              defaultExcludes.addAll(userSetting.getInterfaceAuthenticationExcludes());
          }
  
          http.headers().contentTypeOptions().disable()
                  .and().cors().configurationSource(configurationSource())
                  .and().csrf().disable()
                  .sessionManagement()
                  .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
  
                  // 配置拦截规则
                  .and()
                  .authorizeRequests()
                  .requestMatchers(CorsUtils::isPreFlightRequest).permitAll()
                  .antMatchers(defaultExcludes.toArray(new String[0])).permitAll()
                  .anyRequest().authenticated()
                  // 异常处理器
                  .and()
                  .exceptionHandling()
                  .authenticationEntryPoint(anonymousAuthenticationEntryPoint)
                  .and().logout().logoutUrl("/api/user/logout").permitAll()
                  .logoutSuccessHandler(logoutHandler)
          ;
          http.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
  
      }
  
      CorsConfigurationSource configurationSource() {
          // 配置跨域
          CorsConfiguration corsConfiguration = new CorsConfiguration();
          corsConfiguration.setAllowedHeaders(Arrays.asList("*"));
          corsConfiguration.setAllowedMethods(Arrays.asList("*"));
          corsConfiguration.setMaxAge(3600L);
          if (userSetting.getAllowedOrigins() != null && !userSetting.getAllowedOrigins().isEmpty()) {
              corsConfiguration.setAllowCredentials(true);
              corsConfiguration.setAllowedOrigins(userSetting.getAllowedOrigins());
          }else {
              // 在SpringBoot 2.4及以上版本处理跨域时，遇到错误提示：当allowCredentials为true时，allowedOrigins不能包含特殊值"*"。
              // 解决方法是明确指定allowedOrigins或使用allowedOriginPatterns。
              corsConfiguration.setAllowCredentials(true);
              corsConfiguration.addAllowedOriginPattern(CorsConfiguration.ALL); // 默认全部允许所有跨域
          }
  
          corsConfiguration.setExposedHeaders(Arrays.asList(JwtUtils.getHeader()));
  
          UrlBasedCorsConfigurationSource url = new UrlBasedCorsConfigurationSource();
          url.registerCorsConfiguration("/**", corsConfiguration);
          return url;
      }
  
      /**
       * 描述: 密码加密算法 BCrypt 推荐使用
       **/
      @Bean
      public BCryptPasswordEncoder passwordEncoder() {
          return new BCryptPasswordEncoder();
      }
  
      /**
       * 描述: 注入AuthenticationManager管理器
       **/
      @Override
      @Bean
      public AuthenticationManager authenticationManager() throws Exception {
          return super.authenticationManager();
      }
  }
  