content: /*
   * Copyright 1999-2018 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.core.auth;
  
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.auth.config.NacosAuthConfig;
  import com.alibaba.nacos.auth.serveridentity.ServerIdentityResult;
  import com.alibaba.nacos.core.code.ControllerMethodsCache;
  import com.alibaba.nacos.plugin.auth.constant.ApiType;
  import jakarta.servlet.http.HttpServletRequest;
  
  /**
   * Unified filter to handle authentication and authorization.
   *
   * @author nkorange
   * @since 1.2.0
   */
  public class AuthFilter extends AbstractWebAuthFilter {
      
      private final NacosAuthConfig authConfig;
      
      private final InnerApiAuthEnabled innerApiAuthEnabled;
      
      public AuthFilter(NacosAuthConfig authConfig, ControllerMethodsCache methodsCache,
              InnerApiAuthEnabled innerApiAuthEnabled) {
          super(authConfig, methodsCache);
          this.authConfig = authConfig;
          this.innerApiAuthEnabled = innerApiAuthEnabled;
      }
      
      @Override
      protected boolean isAuthEnabled() {
          return authConfig.isAuthEnabled();
      }
      
      @Override
      protected boolean isMatchFilter(Secured secured) {
          // ADMIN API use {@link AuthAdminFilter} to handle
          return !ApiType.ADMIN_API.equals(secured.apiType());
      }
      
      @Override
      protected ServerIdentityResult checkServerIdentity(HttpServletRequest request, Secured secured) {
          // During Upgrading, Old Nacos server might not with server identity for some Inner API, follow old version logic.
          if (ApiType.INNER_API.equals(secured.apiType()) && !innerApiAuthEnabled.isEnabled()) {
              return ServerIdentityResult.success();
          }
          return super.checkServerIdentity(request, secured);
      }
  }
  