content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.plugin.auth.impl.configuration.web;
  
  import com.alibaba.nacos.auth.config.NacosAuthConfigHolder;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.core.auth.NacosServerAuthConfig;
  import com.alibaba.nacos.core.web.NacosWebBean;
  import com.alibaba.nacos.plugin.auth.impl.constant.AuthSystemTypes;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import com.alibaba.nacos.sys.utils.ApplicationUtils;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Import;
  import org.springframework.security.authentication.AuthenticationManager;
  import org.springframework.security.config.BeanIds;
  import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
  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.configurers.AbstractHttpConfigurer;
  import org.springframework.security.web.SecurityFilterChain;
  
  /**
   * Nacos Auth http config.
   *
   * @author xiweng.yy
   */
  @NacosWebBean
  @EnableWebSecurity
  @Import({NacosAuthPluginControllerConfig.class, NacosAuthPluginOldControllerConfig.class})
  public class NacosAuthPluginWebConfig {
      
      private static final String SECURITY_IGNORE_URLS_SPILT_CHAR = ",";
      
      private static final String DEFAULT_ALL_PATH_PATTERN = "/**";
      
      private static final String PROPERTY_IGNORE_URLS = "nacos.security.ignore.urls";
      
      @Bean
      public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
          String ignoreUrls = null;
          String authSystemType = NacosAuthConfigHolder.getInstance()
                  .getNacosAuthConfigByScope(NacosServerAuthConfig.NACOS_SERVER_AUTH_SCOPE).getNacosAuthSystemType();
          if (AuthSystemTypes.NACOS.name().equalsIgnoreCase(authSystemType)) {
              ignoreUrls = DEFAULT_ALL_PATH_PATTERN;
          } else if (AuthSystemTypes.LDAP.name().equalsIgnoreCase(authSystemType)) {
              ignoreUrls = DEFAULT_ALL_PATH_PATTERN;
          }
          if (StringUtils.isBlank(authSystemType)) {
              ignoreUrls = EnvUtil.getProperty(PROPERTY_IGNORE_URLS, DEFAULT_ALL_PATH_PATTERN);
          }
          if (StringUtils.isBlank(ignoreUrls)) {
              return http.build();
          }
          final String finalIgnoreUrls = ignoreUrls;
          http.authorizeHttpRequests((authorizeHttpRequests) -> authorizeHttpRequests.requestMatchers(
                  finalIgnoreUrls.trim().split(SECURITY_IGNORE_URLS_SPILT_CHAR)).permitAll());
          http.csrf(AbstractHttpConfigurer::disable);
          return http.build();
      }
      
      /**
       * Build required {@link AuthenticationManager} for v1 auth API.
       *
       * @return spring security default authentication manager
       * @throws Exception any exception during build authentication manager.
       * @deprecated will be removed after v1 auth API removed.
       */
      @Bean(name = BeanIds.AUTHENTICATION_MANAGER)
      @Deprecated()
      public AuthenticationManager authenticationManagerBean() throws Exception {
          AuthenticationConfiguration authenticationConfiguration = ApplicationUtils.getBean(
                  AuthenticationConfiguration.class);
          return authenticationConfiguration.getAuthenticationManager();
      }
  }
  