Merge pull request #550 from Tian-orz/feat/antigravity-refresh-token-import

feat(antigravity): 支持 Refresh Token 批量导入创建 OAuth 账号

backend/internal/handler/admin/antigravity_oauth_handler.go

@@ -65,3 +65,27 @@ func (h *AntigravityOAuthHandler) ExchangeCode(c *gin.Context) {
 
 	response.Success(c, tokenInfo)
 }
+
+// AntigravityRefreshTokenRequest represents the request for validating Antigravity refresh token
+type AntigravityRefreshTokenRequest struct {
+	RefreshToken string `json:"refresh_token" binding:"required"`
+	ProxyID      *int64 `json:"proxy_id"`
+}
+
+// RefreshToken validates an Antigravity refresh token and returns full token info
+// POST /api/v1/admin/antigravity/oauth/refresh-token
+func (h *AntigravityOAuthHandler) RefreshToken(c *gin.Context) {
+	var req AntigravityRefreshTokenRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.BadRequest(c, "请求无效: "+err.Error())
+		return
+	}
+
+	tokenInfo, err := h.antigravityOAuthService.ValidateRefreshToken(c.Request.Context(), req.RefreshToken, req.ProxyID)
+	if err != nil {
+		response.ErrorFrom(c, err)
+		return
+	}
+
+	response.Success(c, tokenInfo)
+}

backend/internal/server/routes/admin.go

@@ -281,6 +281,7 @@ func registerAntigravityOAuthRoutes(admin *gin.RouterGroup, h *handler.Handlers)
 	{
 		antigravity.POST("/oauth/auth-url", h.Admin.AntigravityOAuth.GenerateAuthURL)
 		antigravity.POST("/oauth/exchange-code", h.Admin.AntigravityOAuth.ExchangeCode)
+		antigravity.POST("/oauth/refresh-token", h.Admin.AntigravityOAuth.RefreshToken)
 	}
 }
 

backend/internal/service/antigravity_oauth_service.go

@@ -192,6 +192,43 @@ func (s *AntigravityOAuthService) RefreshToken(ctx context.Context, refreshToken
 	return nil, fmt.Errorf("token 刷新失败 (重试后): %w", lastErr)
 }
 
+// ValidateRefreshToken 用 refresh token 验证并获取完整的 token 信息（含 email 和 project_id）
+func (s *AntigravityOAuthService) ValidateRefreshToken(ctx context.Context, refreshToken string, proxyID *int64) (*AntigravityTokenInfo, error) {
+	var proxyURL string
+	if proxyID != nil {
+		proxy, err := s.proxyRepo.GetByID(ctx, *proxyID)
+		if err == nil && proxy != nil {
+			proxyURL = proxy.URL()
+		}
+	}
+
+	// 刷新 token
+	tokenInfo, err := s.RefreshToken(ctx, refreshToken, proxyURL)
+	if err != nil {
+		return nil, err
+	}
+
+	// 获取用户信息（email）
+	client := antigravity.NewClient(proxyURL)
+	userInfo, err := client.GetUserInfo(ctx, tokenInfo.AccessToken)
+	if err != nil {
+		fmt.Printf("[AntigravityOAuth] 警告: 获取用户信息失败: %v\n", err)
+	} else {
+		tokenInfo.Email = userInfo.Email
+	}
+
+	// 获取 project_id（容错，失败不阻塞）
+	projectID, loadErr := s.loadProjectIDWithRetry(ctx, tokenInfo.AccessToken, proxyURL, 3)
+	if loadErr != nil {
+		fmt.Printf("[AntigravityOAuth] 警告: 获取 project_id 失败（重试后）: %v\n", loadErr)
+		tokenInfo.ProjectIDMissing = true
+	} else {
+		tokenInfo.ProjectID = projectID
+	}
+
+	return tokenInfo, nil
+}
+
 func isNonRetryableAntigravityOAuthError(err error) bool {
 	msg := err.Error()
 	nonRetryable := []string{