Added an uploader for notebooks. (Velocidex#1639)

Now notebooks can use the upload() function. This will save files
within the notebook directory.

The files may be retrieved by exporting the notebook to a zip file or
individually.

accessors/file_store/fs.go

@@ -50,7 +50,7 @@ func (self FileSystem) Open(path string) (http.File, error) {
 		return nil, os.ErrNotExist
 	}
 
-	components := path_specs.NewSafeFilestorePath(
+	components := path_specs.NewUnsafeFilestorePath(
 		utils.SplitComponents(path)...).
 		SetType(api.PATH_TYPE_FILESTORE_ANY)
 	fd, err := self.file_store.ReadFile(components)

accessors/registry/registry_windows.go

@@ -305,7 +305,8 @@ func (self RegFileSystemAccessor) OpenWithOSPath(path *accessors.OSPath) (
 	}
 
 	// Keys do not have any data.
-	return NewValueBuffer([]byte{}, stat), nil
+	serialized, _ := json.Marshal(stat.Data)
+	return NewValueBuffer(serialized, stat), nil
 }
 
 func (self RegFileSystemAccessor) Open(path string) (

api/notebooks.go

@@ -93,6 +93,11 @@ func (self *ApiServer) GetNotebooks(
 		notebook.AvailableDownloads, _ = getAvailableDownloadFiles(self.config,
 			notebook_path_manager.HtmlExport().Dir())
 
+		if in.IncludeUploads {
+			notebook.AvailableUploads, _ = getAvailableUploadFiles(self.config,
+				notebook_path_manager)
+		}
+
 		notebook.Timelines = getAvailableTimelines(
 			self.config, notebook_path_manager)
 
@@ -1105,14 +1110,42 @@ func getAvailableDownloadFiles(config_obj *config_proto.Config,
 			Type:     api.GetExtensionForFilestore(ps),
 			Path:     ps.AsClientPath(),
 			Size:     uint64(item.Size()),
-			Date:     fmt.Sprintf("%v", item.ModTime()),
+			Date:     item.ModTime().UTC().Format(time.RFC3339),
 			Complete: is_complete(ps.Base()),
 		})
 	}
 
 	return result, nil
 }
 
+func getAvailableUploadFiles(config_obj *config_proto.Config,
+	notebook_path_manager *paths.NotebookPathManager) (
+	*api_proto.AvailableDownloads, error) {
+	result := &api_proto.AvailableDownloads{}
+
+	file_store_factory := file_store.GetFileStore(config_obj)
+	files, err := file_store_factory.ListDirectory(
+		notebook_path_manager.UploadsDir())
+	if err != nil {
+		return nil, err
+	}
+
+	for _, item := range files {
+		ps := item.PathSpec()
+
+		result.Files = append(result.Files, &api_proto.AvailableDownloadFile{
+			Name:     item.Name(),
+			Type:     api.GetExtensionForFilestore(ps),
+			Path:     ps.AsClientPath(),
+			Size:     uint64(item.Size()),
+			Date:     item.ModTime().UTC().Format(time.RFC3339),
+			Complete: true,
+		})
+	}
+
+	return result, nil
+}
+
 func updateCellContents(
 	ctx context.Context,
 	config_obj *config_proto.Config,