Method fileByID

coderd/files.go:166–224

@Summary Get file by ID @ID get-file-by-id @Security CoderSessionToken @Tags Files @Param fileID path string true "File ID" format(uuid) @Success 200 @Router /api/v2/files/{fileID} [get]

(rw http.ResponseWriter, r *http.Request)

// @Success 200
// @Router /api/v2/files/{fileID} [get]
func (api *API) fileByID(rw http.ResponseWriter, r *http.Request) {
	var (
		ctx    = r.Context()
		format = r.URL.Query().Get("format")
	)

	fileID := chi.URLParam(r, "fileID")
	if fileID == "" {
		httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
			Message: "File id must be provided in url.",
		})
		return
	}

	id, err := uuid.Parse(fileID)
	if err != nil {
		httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
			Message: "File id must be a valid UUID.",
		})
		return
	}

	file, err := api.Database.GetFileByID(ctx, id)
	if httpapi.Is404Error(err) {
		httpapi.ResourceNotFound(rw)
		return
	}
	if err != nil {
		httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
			Message: "Internal error fetching file.",
			Detail:  err.Error(),
		})
		return
	}

	switch format {
	case codersdk.FormatZip:
		if file.Mimetype != codersdk.ContentTypeTar {
			httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
				Message: "Only .tar files can be converted to .zip format",
			})
			return
		}

		rw.Header().Set("Content-Type", codersdk.ContentTypeZip)
		rw.WriteHeader(http.StatusOK)
		err = archive.WriteZip(rw, tar.NewReader(bytes.NewReader(file.Data)), HTTPFileMaxBytes)
		if err != nil {
			api.Logger.Error(ctx, "invalid .zip archive", slog.F("file_id", fileID), slog.F("mimetype", file.Mimetype), slog.Error(err))
		}
	case "": // no format? no conversion
		rw.Header().Set("Content-Type", file.Mimetype)
		_, _ = rw.Write(file.Data)
	default:
		httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
			Message: "Unsupported conversion format.",
		})
	}