content: package org.ruoyi.system.service;
  
  import cn.dev33.satoken.exception.NotLoginException;
  import cn.dev33.satoken.secure.BCrypt;
  import cn.dev33.satoken.stp.StpUtil;
  import cn.hutool.core.bean.BeanUtil;
  import cn.hutool.core.util.ObjectUtil;
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import lombok.RequiredArgsConstructor;
  import lombok.extern.slf4j.Slf4j;
  import org.ruoyi.common.core.constant.Constants;
  import org.ruoyi.common.core.constant.GlobalConstants;
  import org.ruoyi.common.core.constant.TenantConstants;
  import org.ruoyi.common.core.domain.dto.RoleDTO;
  import org.ruoyi.common.core.domain.model.LoginUser;
  import org.ruoyi.common.core.enums.DeviceType;
  import org.ruoyi.common.core.enums.LoginType;
  import org.ruoyi.common.core.enums.TenantStatus;
  import org.ruoyi.common.core.enums.UserStatus;
  import org.ruoyi.common.core.exception.user.CaptchaException;
  import org.ruoyi.common.core.exception.user.CaptchaExpireException;
  import org.ruoyi.common.core.exception.user.UserException;
  import org.ruoyi.common.core.utils.*;
  import org.ruoyi.common.log.event.LogininforEvent;
  import org.ruoyi.common.redis.utils.RedisUtils;
  import org.ruoyi.common.satoken.utils.LoginHelper;
  import org.ruoyi.common.tenant.exception.TenantException;
  import org.ruoyi.common.tenant.helper.TenantHelper;
  import org.ruoyi.system.domain.SysUser;
  import org.ruoyi.system.domain.vo.SysTenantVo;
  import org.ruoyi.system.domain.vo.SysUserVo;
  import org.ruoyi.system.mapper.SysUserMapper;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.stereotype.Service;
  
  import java.time.Duration;
  import java.util.Date;
  import java.util.List;
  import java.util.function.Supplier;
  
  /**
   * 登录校验方法
   *
   * @author Lion Li
   */
  @RequiredArgsConstructor
  @Slf4j
  @Service
  public class SysLoginService {
  
      private final SysUserMapper userMapper;
      private final ISysPermissionService permissionService;
      private final ISysTenantService tenantService;
  
      @Value("${user.password.maxRetryCount}")
      private Integer maxRetryCount;
      @Value("${user.password.lockTime}")
      private Integer lockTime;
  
      /**
       * 登录验证
       *
       * @param username 用户名
       * @param password 密码
       * @param code     验证码
       * @param uuid     唯一标识
       * @return 结果
       */
      public String login(String tenantId, String username, String password, String code, String uuid) {
          SysUserVo user = loadUserByUsername(tenantId, username);
          checkLogin(LoginType.PASSWORD, tenantId, username, () -> !BCrypt.checkpw(password, user.getPassword()));
          // 此处可根据登录用户的数据不同 自行创建 loginUser
          LoginUser loginUser = buildLoginUser(user);
          // 生成token
          LoginHelper.loginByDevice(loginUser, DeviceType.PC);
  
          recordLogininfor(loginUser.getTenantId(), username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success"));
          recordLoginInfo(user.getUserId());
          return StpUtil.getTokenValue();
      }
  
      public String smsLogin(String tenantId, String phonenumber, String smsCode) {
          // 校验租户
          checkTenant(tenantId);
          // 通过手机号查找用户
          SysUserVo user = loadUserByPhonenumber(tenantId, phonenumber);
  
          checkLogin(LoginType.SMS, tenantId, user.getUserName(), () -> !validateSmsCode(tenantId, phonenumber, smsCode));
          // 此处可根据登录用户的数据不同 自行创建 loginUser
          LoginUser loginUser = buildLoginUser(user);
          // 生成token
          LoginHelper.loginByDevice(loginUser, DeviceType.APP);
  
          recordLogininfor(loginUser.getTenantId(), user.getUserName(), Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success"));
          recordLoginInfo(user.getUserId());
          return StpUtil.getTokenValue();
      }
  
      public String emailLogin(String tenantId, String email, String emailCode) {
          // 校验租户
          checkTenant(tenantId);
          // 通过手机号查找用户
          SysUserVo user = loadUserByEmail(tenantId, email);
  
          checkLogin(LoginType.EMAIL, tenantId, user.getUserName(), () -> !validateEmailCode(tenantId, email, emailCode));
          // 此处可根据登录用户的数据不同 自行创建 loginUser
          LoginUser loginUser = buildLoginUser(user);
          // 生成token
          LoginHelper.loginByDevice(loginUser, DeviceType.APP);
  
          recordLogininfor(loginUser.getTenantId(), user.getUserName(), Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success"));
          recordLoginInfo(user.getUserId());
          return StpUtil.getTokenValue();
      }
  
      /**
       * 退出登录
       */
      public void logout() {
          try {
              LoginUser loginUser = LoginHelper.getLoginUser();
              if (TenantHelper.isEnable() && LoginHelper.isSuperAdmin()) {
                  // 超级管理员 登出清除动态租户
                  TenantHelper.clearDynamic();
              }
              StpUtil.logout();
              if (loginUser != null) {
                  recordLogininfor(loginUser.getTenantId(), loginUser.getUsername(), Constants.LOGOUT, MessageUtils.message("user.logout.success"));
              }
          } catch (NotLoginException ignored) {
          }
      }
  
      /**
       * 记录登录信息
       *
       * @param tenantId 租户ID
       * @param username 用户名
       * @param status   状态
       * @param message  消息内容
       */
      private void recordLogininfor(String tenantId, String username, String status, String message) {
          LogininforEvent logininforEvent = new LogininforEvent();
          logininforEvent.setTenantId(tenantId);
          logininforEvent.setUsername(username);
          logininforEvent.setStatus(status);
          logininforEvent.setMessage(message);
          logininforEvent.setRequest(ServletUtils.getRequest());
          SpringUtils.context().publishEvent(logininforEvent);
      }
  
      /**
       * 校验短信验证码
       */
      private boolean validateSmsCode(String tenantId, String phonenumber, String smsCode) {
          String code = RedisUtils.getCacheObject(GlobalConstants.CAPTCHA_CODE_KEY + phonenumber);
          if (StringUtils.isBlank(code)) {
              recordLogininfor(tenantId, phonenumber, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
              throw new CaptchaExpireException();
          }
          return code.equals(smsCode);
      }
  
      /**
       * 校验邮箱验证码
       */
      private boolean validateEmailCode(String tenantId, String email, String emailCode) {
          String code = RedisUtils.getCacheObject(GlobalConstants.CAPTCHA_CODE_KEY + email);
          if (StringUtils.isBlank(code)) {
              recordLogininfor(tenantId, email, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
              throw new CaptchaExpireException();
          }
          return code.equals(emailCode);
      }
  
      /**
       * 校验验证码
       *
       * @param username 用户名
       * @param code     验证码
       * @param uuid     唯一标识
       */
      public void validateCaptcha(String tenantId, String username, String code, String uuid) {
          String verifyKey = GlobalConstants.CAPTCHA_CODE_KEY + StringUtils.defaultString(uuid, "");
          String captcha = RedisUtils.getCacheObject(verifyKey);
          RedisUtils.deleteObject(verifyKey);
          if (captcha == null) {
              recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire"));
              throw new CaptchaExpireException();
          }
          if (!code.equalsIgnoreCase(captcha)) {
              recordLogininfor(tenantId, username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error"));
              throw new CaptchaException();
          }
      }
  
      private SysUserVo loadUserByUsername(String tenantId, String username) {
  
          SysUser user = userMapper.selectOne(new LambdaQueryWrapper<SysUser>().select(SysUser::getUserName, SysUser::getStatus).eq(TenantHelper.isEnable(), SysUser::getTenantId, tenantId).eq(SysUser::getUserName, username));
          if (ObjectUtil.isNull(user)) {
              log.info("登录用户：{} 不存在.", username);
              throw new UserException("user.not.exists", username);
          } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
              log.info("登录用户：{} 已被停用.", username);
              throw new UserException("user.blocked", username);
          }
          if (TenantHelper.isEnable()) {
              return userMapper.selectTenantUserByUserName(username, tenantId);
          }
          return userMapper.selectUserByUserName(username);
      }
  
      private SysUserVo loadUserByPhonenumber(String tenantId, String phonenumber) {
          SysUser user = userMapper.selectOne(new LambdaQueryWrapper<SysUser>().select(SysUser::getPhonenumber, SysUser::getStatus).eq(TenantHelper.isEnable(), SysUser::getTenantId, tenantId).eq(SysUser::getPhonenumber, phonenumber));
          if (ObjectUtil.isNull(user)) {
              log.info("登录用户：{} 不存在.", phonenumber);
              throw new UserException("user.not.exists", phonenumber);
          } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
              log.info("登录用户：{} 已被停用.", phonenumber);
              throw new UserException("user.blocked", phonenumber);
          }
          if (TenantHelper.isEnable()) {
              return userMapper.selectTenantUserByPhonenumber(phonenumber, tenantId);
          }
          return userMapper.selectUserByPhonenumber(phonenumber);
      }
  
      private SysUserVo loadUserByEmail(String tenantId, String email) {
          SysUser user = userMapper.selectOne(new LambdaQueryWrapper<SysUser>().select(SysUser::getPhonenumber, SysUser::getStatus).eq(TenantHelper.isEnable(), SysUser::getTenantId, tenantId).eq(SysUser::getEmail, email));
          if (ObjectUtil.isNull(user)) {
              log.info("登录用户：{} 不存在.", email);
              throw new UserException("user.not.exists", email);
          } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
              log.info("登录用户：{} 已被停用.", email);
              throw new UserException("user.blocked", email);
          }
          if (TenantHelper.isEnable()) {
              return userMapper.selectTenantUserByEmail(email, tenantId);
          }
          return userMapper.selectUserByEmail(email);
      }
  
      /**
       * 构建登录用户
       */
      private LoginUser buildLoginUser(SysUserVo user) {
          LoginUser loginUser = new LoginUser();
          loginUser.setTenantId(user.getTenantId());
          loginUser.setUserId(user.getUserId());
          loginUser.setDeptId(user.getDeptId());
          loginUser.setUsername(user.getUserName());
          loginUser.setAvatar(user.getAvatar());
          loginUser.setUserType(user.getUserType());
          loginUser.setKroleGroupIds(user.getKroleGroupIds());
          loginUser.setKroleGroupType(user.getKroleGroupType());
          loginUser.setMenuPermission(permissionService.getMenuPermission(user.getUserId()));
          loginUser.setRolePermission(permissionService.getRolePermission(user.getUserId()));
          loginUser.setDeptName(ObjectUtil.isNull(user.getDept()) ? "" : user.getDept().getDeptName());
          List<RoleDTO> roles = BeanUtil.copyToList(user.getRoles(), RoleDTO.class);
          loginUser.setRoles(roles);
          return loginUser;
      }
  
      /**
       * 记录登录信息
       *
       * @param userId 用户ID
       */
      public void recordLoginInfo(Long userId) {
          SysUser sysUser = new SysUser();
          sysUser.setUserId(userId);
          sysUser.setLoginIp(ServletUtils.getClientIP());
          sysUser.setLoginDate(DateUtils.getNowDate());
          sysUser.setUpdateBy(userId);
          userMapper.updateById(sysUser);
      }
  
      /**
       * 登录校验
       */
      private void checkLogin(LoginType loginType, String tenantId, String username, Supplier<Boolean> supplier) {
          String errorKey = GlobalConstants.PWD_ERR_CNT_KEY + username;
          String loginFail = Constants.LOGIN_FAIL;
  
          // 获取用户登录错误次数(可自定义限制策略 例如: key + username + ip)
          Integer errorNumber = RedisUtils.getCacheObject(errorKey);
          // 锁定时间内登录 则踢出
          if (ObjectUtil.isNotNull(errorNumber) && errorNumber.equals(maxRetryCount)) {
              recordLogininfor(tenantId, username, loginFail, MessageUtils.message(loginType.getRetryLimitExceed(), maxRetryCount, lockTime));
              throw new UserException(loginType.getRetryLimitExceed(), maxRetryCount, lockTime);
          }
  
          if (supplier.get()) {
              // 是否第一次
              errorNumber = ObjectUtil.isNull(errorNumber) ? 1 : errorNumber + 1;
              // 达到规定错误次数 则锁定登录
              if (errorNumber.equals(maxRetryCount)) {
                  RedisUtils.setCacheObject(errorKey, errorNumber, Duration.ofMinutes(lockTime));
                  recordLogininfor(tenantId, username, loginFail, MessageUtils.message(loginType.getRetryLimitExceed(), maxRetryCount, lockTime));
                  throw new UserException(loginType.getRetryLimitExceed(), maxRetryCount, lockTime);
              } else {
                  // 未达到规定错误次数 则递增
                  RedisUtils.setCacheObject(errorKey, errorNumber);
                  recordLogininfor(tenantId, username, loginFail, MessageUtils.message(loginType.getRetryLimitCount(), errorNumber));
                  throw new UserException(loginType.getRetryLimitCount(), errorNumber);
              }
          }
  
          // 登录成功 清空错误次数
          RedisUtils.deleteObject(errorKey);
      }
  
      private void checkTenant(String tenantId) {
          if (!TenantHelper.isEnable()) {
              return;
          }
          if (TenantConstants.DEFAULT_TENANT_ID.equals(tenantId)) {
              return;
          }
          SysTenantVo tenant = tenantService.queryByTenantId(tenantId);
          if (ObjectUtil.isNull(tenant)) {
              log.info("登录租户：{} 不存在.", tenantId);
              throw new TenantException("tenant.not.exists");
          } else if (TenantStatus.DISABLE.getCode().equals(tenant.getStatus())) {
              log.info("登录租户：{} 已被停用.", tenantId);
              throw new TenantException("tenant.blocked");
          } else if (ObjectUtil.isNotNull(tenant.getExpireTime()) && new Date().after(tenant.getExpireTime())) {
              log.info("登录租户：{} 已超过有效期.", tenantId);
              throw new TenantException("tenant.expired");
          }
      }
  
  }
  