content: /*
   * Copyright 1999-$toady.year 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.controller.v3;
  
  import com.alibaba.nacos.api.annotation.NacosApi;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.model.response.Namespace;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.api.model.v2.Result;
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.core.namespace.model.form.NamespaceForm;
  import com.alibaba.nacos.core.namespace.repository.NamespacePersistService;
  import com.alibaba.nacos.core.service.NamespaceOperationService;
  import com.alibaba.nacos.core.utils.Commons;
  import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
  import com.alibaba.nacos.plugin.auth.constant.ApiType;
  import com.alibaba.nacos.plugin.auth.constant.SignType;
  import org.springframework.http.HttpStatus;
  import org.springframework.web.bind.annotation.DeleteMapping;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.PutMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.List;
  import java.util.UUID;
  import java.util.regex.Pattern;
  
  import static com.alibaba.nacos.core.utils.Commons.NACOS_ADMIN_CORE_CONTEXT_V3;
  
  /**
   * NamespaceControllerV3.
   *
   * @author Nacos
   */
  @NacosApi
  @RestController
  @RequestMapping(NACOS_ADMIN_CORE_CONTEXT_V3 + "/namespace")
  public class NamespaceControllerV3 {
      
      private final NamespaceOperationService namespaceOperationService;
      
      private final NamespacePersistService namespacePersistService;
      
      public NamespaceControllerV3(NamespaceOperationService namespaceOperationService,
              NamespacePersistService namespacePersistService) {
          this.namespaceOperationService = namespaceOperationService;
          this.namespacePersistService = namespacePersistService;
      }
      
      private final Pattern namespaceIdCheckPattern = Pattern.compile("^[\\w-]+");
      
      private final Pattern namespaceNameCheckPattern = Pattern.compile("^[^@#$%^&*]+$");
      
      private static final int NAMESPACE_ID_MAX_LENGTH = 128;
      
      /**
       * Get namespace list.
       *
       * @return namespace list
       */
      @GetMapping("/list")
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "/namespace", action = ActionTypes.READ, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<List<Namespace>> getNamespaceList() {
          return Result.success(namespaceOperationService.getNamespaceList());
      }
      
      /**
       * get namespace all info by namespace id.
       *
       * @param namespaceId namespaceId
       * @return namespace all info
       */
      @GetMapping
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "namespaces", action = ActionTypes.READ, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<Namespace> getNamespace(@RequestParam("namespaceId") String namespaceId) throws NacosException {
          return Result.success(namespaceOperationService.getNamespace(namespaceId));
      }
      
      /**
       * create namespace.
       *
       * @param namespaceForm namespaceForm.
       * @return whether create ok
       */
      @PostMapping
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "namespaces", action = ActionTypes.WRITE, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<Boolean> createNamespace(NamespaceForm namespaceForm) throws Exception {
          namespaceForm.validate();
          
          String namespaceId = namespaceForm.getNamespaceId();
          String namespaceName = namespaceForm.getNamespaceName();
          String namespaceDesc = namespaceForm.getNamespaceDesc();
          
          if (StringUtils.isBlank(namespaceId)) {
              namespaceId = UUID.randomUUID().toString();
          } else {
              // TODO check should be parameter check filter.
              namespaceId = namespaceId.trim();
              if (!namespaceIdCheckPattern.matcher(namespaceId).matches()) {
                  throw new NacosApiException(HttpStatus.BAD_REQUEST.value(), ErrorCode.ILLEGAL_NAMESPACE,
                          "namespaceId [" + namespaceId + "] mismatch the pattern");
              }
              if (namespaceId.length() > NAMESPACE_ID_MAX_LENGTH) {
                  throw new NacosApiException(HttpStatus.BAD_REQUEST.value(), ErrorCode.ILLEGAL_NAMESPACE,
                          "too long namespaceId, over " + NAMESPACE_ID_MAX_LENGTH);
              }
          }
          // contains illegal chars
          if (!namespaceNameCheckPattern.matcher(namespaceName).matches()) {
              throw new NacosApiException(HttpStatus.BAD_REQUEST.value(), ErrorCode.ILLEGAL_NAMESPACE,
                      "namespaceName [" + namespaceName + "] contains illegal char");
          }
          return Result.success(namespaceOperationService.createNamespace(namespaceId, namespaceName, namespaceDesc));
      }
      
      /**
       * update namespace.
       *
       * @param namespaceForm namespace params
       * @return whether edit ok
       */
      @PutMapping
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "namespaces", action = ActionTypes.WRITE, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<Boolean> updateNamespace(NamespaceForm namespaceForm) throws NacosException {
          namespaceForm.validate();
          // contains illegal chars
          if (!namespaceNameCheckPattern.matcher(namespaceForm.getNamespaceName()).matches()) {
              throw new NacosApiException(HttpStatus.BAD_REQUEST.value(), ErrorCode.ILLEGAL_NAMESPACE,
                      "namespaceName [" + namespaceForm.getNamespaceName() + "] contains illegal char");
          }
          return Result.success(namespaceOperationService.editNamespace(namespaceForm.getNamespaceId(),
                  namespaceForm.getNamespaceName(), namespaceForm.getNamespaceDesc()));
      }
      
      /**
       * delete namespace by id.
       *
       * @param namespaceId namespace ID
       * @return whether delete ok
       */
      @DeleteMapping
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "namespaces", action = ActionTypes.WRITE, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<Boolean> deleteNamespace(@RequestParam("namespaceId") String namespaceId) {
          return Result.success(namespaceOperationService.removeNamespace(namespaceId));
      }
      
      /**
       * check namespace id exist.
       *
       * @param namespaceId namespaceId
       * @return whether exist
       */
      @GetMapping("/check")
      @Secured(resource = Commons.NACOS_ADMIN_CORE_CONTEXT_V3
              + "namespaces", action = ActionTypes.READ, signType = SignType.CONSOLE, apiType = ApiType.ADMIN_API)
      public Result<Integer> checkNamespaceIdExist(@RequestParam("namespaceId") String namespaceId) {
          return Result.success(namespacePersistService.tenantInfoCountByTenantId(namespaceId));
      }
  }
  