278 lines
7.2 KiB
Go
278 lines
7.2 KiB
Go
package service
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import (
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"carrotskin/internal/model"
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"carrotskin/internal/repository"
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"context"
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"errors"
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"fmt"
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"strconv"
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"time"
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"github.com/google/uuid"
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"github.com/jackc/pgx/v5"
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"go.uber.org/zap"
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)
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// tokenServiceImpl TokenService的实现
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type tokenServiceImpl struct {
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tokenRepo repository.TokenRepository
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profileRepo repository.ProfileRepository
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logger *zap.Logger
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}
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// NewTokenService 创建TokenService实例
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func NewTokenService(
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tokenRepo repository.TokenRepository,
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profileRepo repository.ProfileRepository,
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logger *zap.Logger,
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) TokenService {
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return &tokenServiceImpl{
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tokenRepo: tokenRepo,
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profileRepo: profileRepo,
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logger: logger,
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}
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}
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const (
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tokenExtendedTimeout = 10 * time.Second
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tokensMaxCount = 10
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)
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func (s *tokenServiceImpl) Create(userID int64, UUID string, clientToken string) (*model.Profile, []*model.Profile, string, string, error) {
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var (
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selectedProfileID *model.Profile
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availableProfiles []*model.Profile
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)
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// 设置超时上下文
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_, cancel := context.WithTimeout(context.Background(), DefaultTimeout)
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defer cancel()
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// 验证用户存在
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if UUID != "" {
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_, err := s.profileRepo.FindByUUID(UUID)
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if err != nil {
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return selectedProfileID, availableProfiles, "", "", fmt.Errorf("获取用户信息失败: %w", err)
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}
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}
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// 生成令牌
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if clientToken == "" {
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clientToken = uuid.New().String()
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}
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accessToken := uuid.New().String()
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token := model.Token{
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AccessToken: accessToken,
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ClientToken: clientToken,
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UserID: userID,
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Usable: true,
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IssueDate: time.Now(),
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}
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// 获取用户配置文件
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profiles, err := s.profileRepo.FindByUserID(userID)
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if err != nil {
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return selectedProfileID, availableProfiles, "", "", fmt.Errorf("获取用户配置文件失败: %w", err)
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}
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// 如果用户只有一个配置文件，自动选择
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if len(profiles) == 1 {
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selectedProfileID = profiles[0]
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token.ProfileId = selectedProfileID.UUID
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}
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availableProfiles = profiles
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// 插入令牌
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err = s.tokenRepo.Create(&token)
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if err != nil {
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return selectedProfileID, availableProfiles, "", "", fmt.Errorf("创建Token失败: %w", err)
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}
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// 清理多余的令牌
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go s.checkAndCleanupExcessTokens(userID)
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return selectedProfileID, availableProfiles, accessToken, clientToken, nil
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}
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func (s *tokenServiceImpl) Validate(accessToken, clientToken string) bool {
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if accessToken == "" {
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return false
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}
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token, err := s.tokenRepo.FindByAccessToken(accessToken)
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if err != nil {
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return false
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}
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if !token.Usable {
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return false
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}
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if clientToken == "" {
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return true
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}
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return token.ClientToken == clientToken
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}
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func (s *tokenServiceImpl) Refresh(accessToken, clientToken, selectedProfileID string) (string, string, error) {
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if accessToken == "" {
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return "", "", errors.New("accessToken不能为空")
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}
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// 查找旧令牌
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oldToken, err := s.tokenRepo.FindByAccessToken(accessToken)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return "", "", errors.New("accessToken无效")
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}
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s.logger.Error("查询Token失败", zap.Error(err), zap.String("accessToken", accessToken))
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return "", "", fmt.Errorf("查询令牌失败: %w", err)
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}
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// 验证profile
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if selectedProfileID != "" {
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valid, validErr := s.validateProfileByUserID(oldToken.UserID, selectedProfileID)
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if validErr != nil {
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s.logger.Error("验证Profile失败",
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zap.Error(err),
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zap.Int64("userId", oldToken.UserID),
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zap.String("profileId", selectedProfileID),
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)
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return "", "", fmt.Errorf("验证角色失败: %w", err)
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}
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if !valid {
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return "", "", errors.New("角色与用户不匹配")
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}
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}
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// 检查 clientToken 是否有效
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if clientToken != "" && clientToken != oldToken.ClientToken {
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return "", "", errors.New("clientToken无效")
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}
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// 检查 selectedProfileID 的逻辑
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if selectedProfileID != "" {
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if oldToken.ProfileId != "" && oldToken.ProfileId != selectedProfileID {
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return "", "", errors.New("原令牌已绑定角色，无法选择新角色")
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}
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} else {
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selectedProfileID = oldToken.ProfileId
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}
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// 生成新令牌
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newAccessToken := uuid.New().String()
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newToken := model.Token{
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AccessToken: newAccessToken,
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ClientToken: oldToken.ClientToken,
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UserID: oldToken.UserID,
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Usable: true,
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ProfileId: selectedProfileID,
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IssueDate: time.Now(),
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}
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// 先插入新令牌，再删除旧令牌
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err = s.tokenRepo.Create(&newToken)
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if err != nil {
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s.logger.Error("创建新Token失败", zap.Error(err), zap.String("accessToken", accessToken))
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return "", "", fmt.Errorf("创建新Token失败: %w", err)
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}
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err = s.tokenRepo.DeleteByAccessToken(accessToken)
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if err != nil {
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s.logger.Warn("删除旧Token失败，但新Token已创建",
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zap.Error(err),
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zap.String("oldToken", oldToken.AccessToken),
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zap.String("newToken", newAccessToken),
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)
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}
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s.logger.Info("成功刷新Token", zap.Int64("userId", oldToken.UserID), zap.String("accessToken", newAccessToken))
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return newAccessToken, oldToken.ClientToken, nil
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}
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func (s *tokenServiceImpl) Invalidate(accessToken string) {
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if accessToken == "" {
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return
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}
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err := s.tokenRepo.DeleteByAccessToken(accessToken)
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if err != nil {
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s.logger.Error("删除Token失败", zap.Error(err), zap.String("accessToken", accessToken))
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return
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}
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s.logger.Info("成功删除Token", zap.String("token", accessToken))
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}
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func (s *tokenServiceImpl) InvalidateUserTokens(userID int64) {
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if userID == 0 {
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return
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}
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err := s.tokenRepo.DeleteByUserID(userID)
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if err != nil {
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s.logger.Error("删除用户Token失败", zap.Error(err), zap.Int64("userId", userID))
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return
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}
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s.logger.Info("成功删除用户Token", zap.Int64("userId", userID))
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}
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func (s *tokenServiceImpl) GetUUIDByAccessToken(accessToken string) (string, error) {
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return s.tokenRepo.GetUUIDByAccessToken(accessToken)
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}
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func (s *tokenServiceImpl) GetUserIDByAccessToken(accessToken string) (int64, error) {
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return s.tokenRepo.GetUserIDByAccessToken(accessToken)
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}
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// 私有辅助方法
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func (s *tokenServiceImpl) checkAndCleanupExcessTokens(userID int64) {
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if userID == 0 {
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return
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}
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tokens, err := s.tokenRepo.GetByUserID(userID)
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if err != nil {
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s.logger.Error("获取用户Token失败", zap.Error(err), zap.String("userId", strconv.FormatInt(userID, 10)))
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return
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}
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if len(tokens) <= tokensMaxCount {
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return
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}
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tokensToDelete := make([]string, 0, len(tokens)-tokensMaxCount)
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for i := tokensMaxCount; i < len(tokens); i++ {
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tokensToDelete = append(tokensToDelete, tokens[i].AccessToken)
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}
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deletedCount, err := s.tokenRepo.BatchDelete(tokensToDelete)
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if err != nil {
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s.logger.Error("清理用户多余Token失败", zap.Error(err), zap.String("userId", strconv.FormatInt(userID, 10)))
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return
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}
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if deletedCount > 0 {
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s.logger.Info("成功清理用户多余Token", zap.Int64("userId", userID), zap.Int64("count", deletedCount))
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}
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}
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func (s *tokenServiceImpl) validateProfileByUserID(userID int64, UUID string) (bool, error) {
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if userID == 0 || UUID == "" {
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return false, errors.New("用户ID或配置文件ID不能为空")
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}
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profile, err := s.profileRepo.FindByUUID(UUID)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return false, errors.New("配置文件不存在")
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}
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return false, fmt.Errorf("验证配置文件失败: %w", err)
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}
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return profile.UserID == userID, nil
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}
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