Function Upload

api/controller/upload.go:32–138

Upload @Summary Upload a file @Description Upload a file @Tags Upload @Accept mpfd @Produce json @Param file formData file true "file" @Param upload_target formData string false "上传目标，attachment=附件上传，my_uploads=同步到我的上传" @Security BearerAuth @Success 20

(c *gin.Context)

// @Success      200  {object}  model.CommonResponse{data=model.UploadFile}  "success"
// @Router       /api/upload [post]
func Upload(c *gin.Context) {
	// upload file
	fileHeader, err := c.FormFile("file")
	if err != nil {
		c.JSON(http.StatusBadRequest, model.ParamError.ToResponse(err))
		return
	}
	if fileHeader.Size > config.MAX_UPLOAD_FILE_SIZE {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(errors.New("The maximum allowed size for file uploads is "+config.MAX_UPLOAD_FILE_SIZE_STRING+".")))
		return
	}

	uploadTarget := strings.ToLower(strings.TrimSpace(c.PostForm("upload_target")))
	if uploadTarget == "" {
		uploadTarget = "attachment"
	}

	eid := config.GetEID(c)
	user_id := config.GetUserId(c)
	if eid == 0 || user_id == 0 {
		c.JSON(http.StatusBadRequest, model.AuthFailed.ToResponse(nil))
		return
	}
	file, err := fileHeader.Open()
	if err != nil {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(err))
		return
	}
	defer file.Close()

	// 先读取文件内容
	fileContent, err := io.ReadAll(file)
	if err != nil && err != io.EOF {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(err))
		return
	}

	// 计算哈希前重置文件指针
	if _, err := file.Seek(0, 0); err != nil {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(err))
		return
	}
	hashStr, err := storage.GetFileHash(file)
	if err != nil {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(err))
		return
	}

	extension := path.Ext(fileHeader.Filename)
	PreviewKey, err := model.GetPreviewKey(hashStr, extension, eid)
	if err != nil {
		c.JSON(http.StatusBadRequest, model.FileError.ToResponse(err))
		return
	}

	key := model.GetFileKey(PreviewKey, eid, user_id)
	err = storage.StorageInstance.Save(fileContent, key)
	if err != nil {