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.naming.acl;
  
  import java.nio.charset.StandardCharsets;
  
  /**
   * @author nkorange
   */
  public class AuthInfo {
      private String operator;
  
      private String appKey;
  
      public AuthInfo() {
      }
  
      public AuthInfo(String operator, String appKey) {
          this.operator = operator;
          this.appKey = appKey;
      }
  
      public static AuthInfo fromString(String auth, String encoding) {
          try {
              String[] byteStrs = auth.split(",");
              byte[] bytes = new byte[byteStrs.length];
              for (int i = 0; i < byteStrs.length; i++) {
                  bytes[i] = (byte) (~(Short.parseShort(byteStrs[i])));
              }
  
              String contentStr = new String(bytes, encoding);
              String[] params = contentStr.split(":");
              return new AuthInfo(params[0], params[1]);
          } catch (Throwable e) {
              return null;
          }
      }
  
      @Override
      public String toString() {
          try {
              // very simple encryption is enough
              byte[] authBytes = (operator + ":" + appKey).getBytes(StandardCharsets.UTF_8);
              StringBuilder authBuilder = new StringBuilder();
              for (byte authByte : authBytes) {
                  authBuilder.append((byte) (~((short) authByte))).append(",");
              }
  
              return authBuilder.substring(0, authBuilder.length() - 1);
          } catch (Exception e) {
              return "Error while encrypt AuthInfo" + e;
          }
      }
  
      public void setOperator(String operator) {
          this.operator = operator;
      }
  
      public String getOperator() {
          return operator;
      }
  
      public String getAppKey() {
          return appKey;
      }
  
      public void setAppKey(String appKey) {
          this.appKey = appKey;
      }
  }
  