content: /*
   * Copyright (c) 2019 abc123lzf <abc123lzf@126.com>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  package com.lzf.flyingsocks.server.db;
  
  /**
   * 用于实现用户认证方式
   */
  public interface UserDatabase {
  
      /**
       * 执行认证
       *
       * @param group    用户组名
       * @param username 用户名
       * @param password 密码
       * @return 是否认证成功
       */
      boolean doAuth(String group, String username, String password);
  
      /**
       * 注册用户
       *
       * @param group    用户组名
       * @param username 用户名
       * @param password 密码
       * @return 是否认证成功
       */
      boolean register(String group, String username, String password);
  
      /**
       * 删除用户
       *
       * @param group    用户组名
       * @param username 用户名
       * @return 是否删除成功
       */
      boolean delete(String group, String username);
  
      /**
       * 修改用户密码
       *
       * @param group       用户组名
       * @param username    用户名
       * @param newPassword 新密码
       * @return 是否修改成功
       */
      boolean changePassword(String group, String username, String newPassword);
  
      /**
       * 用户组
       */
      interface UserGroup {
  
          /**
           * @return 用户组名
           */
          String name();
      }
  }
  