fix claudecode review bug

backend/cmd/jwtgen/main.go

@@ -33,7 +33,7 @@ func main() {
 	}()
 
 	userRepo := repository.NewUserRepository(client, sqlDB)
-	authService := service.NewAuthService(userRepo, nil, nil, cfg, nil, nil, nil, nil, nil, nil)
+	authService := service.NewAuthService(client, userRepo, nil, nil, cfg, nil, nil, nil, nil, nil, nil)
 
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()

backend/cmd/server/wire_gen.go

@@ -67,7 +67,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	apiKeyAuthCacheInvalidator := service.ProvideAPIKeyAuthCacheInvalidator(apiKeyService)
 	promoService := service.NewPromoService(promoCodeRepository, userRepository, billingCacheService, client, apiKeyAuthCacheInvalidator)
 	subscriptionService := service.NewSubscriptionService(groupRepository, userSubscriptionRepository, billingCacheService, client, configConfig)
-	authService := service.NewAuthService(userRepository, redeemCodeRepository, refreshTokenCache, configConfig, settingService, emailService, turnstileService, emailQueueService, promoService, subscriptionService)
+	authService := service.NewAuthService(client, userRepository, redeemCodeRepository, refreshTokenCache, configConfig, settingService, emailService, turnstileService, emailQueueService, promoService, subscriptionService)
 	userService := service.NewUserService(userRepository, apiKeyAuthCacheInvalidator, billingCache)
 	redeemCache := repository.NewRedeemCache(redisClient)
 	redeemService := service.NewRedeemService(redeemCodeRepository, userRepository, subscriptionService, redeemCache, billingCacheService, client, apiKeyAuthCacheInvalidator)

backend/internal/handler/auth_linuxdo_oauth.go

@@ -264,11 +264,7 @@ func (h *AuthHandler) CompleteLinuxDoOAuthRegistration(c *gin.Context) {
 
 	tokenPair, _, err := h.authService.LoginOrRegisterOAuthWithTokenPair(c.Request.Context(), email, username, req.InvitationCode)
 	if err != nil {
-		statusCode := http.StatusBadRequest
-		c.JSON(statusCode, gin.H{
-			"error":   infraerrors.Reason(err),
-			"message": infraerrors.Message(err),
-		})
+		response.ErrorFrom(c, err)
 		return
 	}
 

backend/internal/service/auth_service.go

@@ -12,6 +12,7 @@ import (
 	"strings"
 	"time"
 
+	dbent "github.com/Wei-Shaw/sub2api/ent"
 	"github.com/Wei-Shaw/sub2api/internal/config"
 	infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/logger"
@@ -59,6 +60,7 @@ type JWTClaims struct {
 
 // AuthService 认证服务
 type AuthService struct {
+	entClient          *dbent.Client
 	userRepo           UserRepository
 	redeemRepo         RedeemCodeRepository
 	refreshTokenCache  RefreshTokenCache
@@ -77,6 +79,7 @@ type DefaultSubscriptionAssigner interface {
 
 // NewAuthService 创建认证服务实例
 func NewAuthService(
+	entClient *dbent.Client,
 	userRepo UserRepository,
 	redeemRepo RedeemCodeRepository,
 	refreshTokenCache RefreshTokenCache,
@@ -89,6 +92,7 @@ func NewAuthService(
 	defaultSubAssigner DefaultSubscriptionAssigner,
 ) *AuthService {
 	return &AuthService{
+		entClient:          entClient,
 		userRepo:           userRepo,
 		redeemRepo:         redeemRepo,
 		refreshTokenCache:  refreshTokenCache,
@@ -597,7 +601,16 @@ func (s *AuthService) LoginOrRegisterOAuthWithTokenPair(ctx context.Context, ema
 				Status:       StatusActive,
 			}
 
-			if err := s.userRepo.Create(ctx, newUser); err != nil {
+			if s.entClient != nil && invitationRedeemCode != nil {
+				tx, err := s.entClient.Tx(ctx)
+				if err != nil {
+					logger.LegacyPrintf("service.auth", "[Auth] Failed to begin transaction for oauth registration: %v", err)
+					return nil, nil, ErrServiceUnavailable
+				}
+				defer func() { _ = tx.Rollback() }()
+				txCtx := dbent.NewTxContext(ctx, tx)
+
+				if err := s.userRepo.Create(txCtx, newUser); err != nil {
 					if errors.Is(err, ErrEmailExists) {
 						user, err = s.userRepo.GetByEmail(ctx, email)
 						if err != nil {
@@ -609,12 +622,31 @@ func (s *AuthService) LoginOrRegisterOAuthWithTokenPair(ctx context.Context, ema
 						return nil, nil, ErrServiceUnavailable
 					}
 				} else {
+					if err := s.redeemRepo.Use(txCtx, invitationRedeemCode.ID, newUser.ID); err != nil {
+						return nil, nil, ErrInvitationCodeInvalid
+					}
+					if err := tx.Commit(); err != nil {
+						logger.LegacyPrintf("service.auth", "[Auth] Failed to commit oauth registration transaction: %v", err)
+						return nil, nil, ErrServiceUnavailable
+					}
 					user = newUser
 					s.assignDefaultSubscriptions(ctx, user.ID)
-				if invitationRedeemCode != nil {
-					if err := s.redeemRepo.Use(ctx, invitationRedeemCode.ID, user.ID); err != nil {
-						logger.LegacyPrintf("service.auth", "[Auth] Failed to mark invitation code as used for oauth user %d: %v", user.ID, err)
 				}
+			} else {
+				if err := s.userRepo.Create(ctx, newUser); err != nil {
+					if errors.Is(err, ErrEmailExists) {
+						user, err = s.userRepo.GetByEmail(ctx, email)
+						if err != nil {
+							logger.LegacyPrintf("service.auth", "[Auth] Database error getting user after conflict: %v", err)
+							return nil, nil, ErrServiceUnavailable
+						}
+					} else {
+						logger.LegacyPrintf("service.auth", "[Auth] Database error creating oauth user: %v", err)
+						return nil, nil, ErrServiceUnavailable
+					}
+				} else {
+					user = newUser
+					s.assignDefaultSubscriptions(ctx, user.ID)
 				}
 			}
 		} else {
@@ -644,9 +676,13 @@ func (s *AuthService) LoginOrRegisterOAuthWithTokenPair(ctx context.Context, ema
 // pendingOAuthTokenTTL is the validity period for pending OAuth tokens.
 const pendingOAuthTokenTTL = 10 * time.Minute
 
+// pendingOAuthPurpose is the purpose claim value for pending OAuth registration tokens.
+const pendingOAuthPurpose = "pending_oauth_registration"
+
 type pendingOAuthClaims struct {
 	Email    string `json:"email"`
 	Username string `json:"username"`
+	Purpose  string `json:"purpose"`
 	jwt.RegisteredClaims
 }
 
@@ -657,6 +693,7 @@ func (s *AuthService) CreatePendingOAuthToken(email, username string) (string, e
 	claims := &pendingOAuthClaims{
 		Email:    email,
 		Username: username,
+		Purpose:  pendingOAuthPurpose,
 		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(now.Add(pendingOAuthTokenTTL)),
 			IssuedAt:  jwt.NewNumericDate(now),
@@ -687,6 +724,9 @@ func (s *AuthService) VerifyPendingOAuthToken(tokenStr string) (email, username
 	if !ok || !token.Valid {
 		return "", "", ErrInvalidToken
 	}
+	if claims.Purpose != pendingOAuthPurpose {
+		return "", "", ErrInvalidToken
+	}
 	return claims.Email, claims.Username, nil
 }