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.console.controller;
  
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.auth.annotation.Secured;
  import com.alibaba.nacos.common.model.RestResult;
  import com.alibaba.nacos.common.model.RestResultUtils;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.console.handler.impl.inner.EnabledInnerHandler;
  import com.alibaba.nacos.console.paramcheck.ConsoleDefaultHttpParamExtractor;
  import com.alibaba.nacos.core.controller.compatibility.Compatibility;
  import com.alibaba.nacos.api.model.response.Namespace;
  import com.alibaba.nacos.core.namespace.repository.NamespacePersistService;
  import com.alibaba.nacos.core.paramcheck.ExtractorManager;
  import com.alibaba.nacos.core.service.NamespaceOperationService;
  import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
  import com.alibaba.nacos.plugin.auth.constant.ApiType;
  import com.alibaba.nacos.plugin.auth.impl.constant.AuthConstants;
  import org.springframework.beans.factory.annotation.Autowired;
  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;
  
  /**
   * namespace service.
   *
   * @author Nacos
   */
  @RestController
  @RequestMapping("/v1/console/namespaces")
  @ExtractorManager.Extractor(httpExtractor = ConsoleDefaultHttpParamExtractor.class)
  @EnabledInnerHandler
  public class NamespaceController {
      
      @Autowired
      private NamespacePersistService namespacePersistService;
      
      @Autowired
      private NamespaceOperationService namespaceOperationService;
      
      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
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "GET ${contextPath:nacos}/v3/console/core/namespace/list")
      public RestResult<List<Namespace>> getNamespaces() {
          return RestResultUtils.success(namespaceOperationService.getNamespaceList());
      }
      
      /**
       * get namespace all info by namespace id.
       *
       * @param namespaceId namespaceId
       * @return namespace all info
       */
      @GetMapping(params = "show=all")
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "GET ${contextPath:nacos}/v3/console/core/namespace")
      public Namespace getNamespace(@RequestParam("namespaceId") String namespaceId) throws NacosException {
          return namespaceOperationService.getNamespace(namespaceId);
      }
      
      /**
       * create namespace.
       *
       * @param namespaceName namespace Name
       * @param namespaceDesc namespace Desc
       * @return whether create ok
       */
      @PostMapping
      @Secured(resource = AuthConstants.CONSOLE_RESOURCE_NAME_PREFIX + "namespaces", action = ActionTypes.WRITE)
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "POST ${contextPath:nacos}/v3/console/core/namespace")
      public Boolean createNamespace(@RequestParam("customNamespaceId") String namespaceId,
              @RequestParam("namespaceName") String namespaceName,
              @RequestParam(value = "namespaceDesc", required = false) String namespaceDesc) {
          if (StringUtils.isBlank(namespaceId)) {
              namespaceId = UUID.randomUUID().toString();
          } else {
              namespaceId = namespaceId.trim();
              if (!namespaceIdCheckPattern.matcher(namespaceId).matches()) {
                  return false;
              }
              if (namespaceId.length() > NAMESPACE_ID_MAX_LENGTH) {
                  return false;
              }
              // check unique
              if (namespacePersistService.tenantInfoCountByTenantId(namespaceId) > 0) {
                  return false;
              }
          }
          // contains illegal chars
          if (!namespaceNameCheckPattern.matcher(namespaceName).matches()) {
              return false;
          }
          try {
              return namespaceOperationService.createNamespace(namespaceId, namespaceName, namespaceDesc);
          } catch (NacosException e) {
              return false;
          }
      }
      
      /**
       * check namespaceId exist.
       *
       * @param namespaceId namespace id
       * @return true if exist, otherwise false
       */
      @GetMapping(params = "checkNamespaceIdExist=true")
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "GET ${contextPath:nacos}/v3/console/core/namespace/exist")
      public Boolean checkNamespaceIdExist(@RequestParam("customNamespaceId") String namespaceId) {
          if (StringUtils.isBlank(namespaceId)) {
              return false;
          }
          return (namespacePersistService.tenantInfoCountByTenantId(namespaceId) > 0);
      }
      
      /**
       * edit namespace.
       *
       * @param namespace         namespace
       * @param namespaceShowName namespace ShowName
       * @param namespaceDesc     namespace Desc
       * @return whether edit ok
       */
      @PutMapping
      @Secured(resource = AuthConstants.CONSOLE_RESOURCE_NAME_PREFIX + "namespaces", action = ActionTypes.WRITE)
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "PUT ${contextPath:nacos}/v3/console/core/namespace")
      public Boolean editNamespace(@RequestParam("namespace") String namespace,
              @RequestParam("namespaceShowName") String namespaceShowName,
              @RequestParam(value = "namespaceDesc", required = false) String namespaceDesc) {
          // contains illegal chars
          if (!namespaceNameCheckPattern.matcher(namespaceShowName).matches()) {
              return false;
          }
          return namespaceOperationService.editNamespace(namespace, namespaceShowName, namespaceDesc);
      }
      
      /**
       * del namespace by id.
       *
       * @param namespaceId namespace Id
       * @return whether del ok
       */
      @DeleteMapping
      @Secured(resource = AuthConstants.CONSOLE_RESOURCE_NAME_PREFIX + "namespaces", action = ActionTypes.WRITE)
      @Compatibility(apiType = ApiType.CONSOLE_API, alternatives = "DELETE ${contextPath:nacos}/v3/console/core/namespace")
      public Boolean deleteNamespace(@RequestParam("namespaceId") String namespaceId) {
          return namespaceOperationService.removeNamespace(namespaceId);
      }
      
  }
  