func getInfoForFilename(post *model.Post, teamId string, filename string) *model.FileInfo { // Find the path from the Filename of the form /{channelId}/{userId}/{uid}/{nameWithExtension} split := strings.SplitN(filename, "/", 5) if len(split) < 5 { l4g.Error(utils.T("api.file.migrate_filenames_to_file_infos.unexpected_filename.error"), post.Id, filename) return nil } channelId := split[1] userId := split[2] oldId := split[3] name, _ := url.QueryUnescape(split[4]) if split[0] != "" || split[1] != post.ChannelId || split[2] != post.UserId || strings.Contains(split[4], "/") { l4g.Warn(utils.T("api.file.migrate_filenames_to_file_infos.mismatched_filename.warn"), post.Id, post.ChannelId, post.UserId, filename) } pathPrefix := fmt.Sprintf("teams/%s/channels/%s/users/%s/%s/", teamId, channelId, userId, oldId) path := pathPrefix + name // Open the file and populate the fields of the FileInfo var info *model.FileInfo if data, err := ReadFile(path); err != nil { l4g.Error(utils.T("api.file.migrate_filenames_to_file_infos.file_not_found.error"), post.Id, filename, path, err) return nil } else { var err *model.AppError info, err = model.GetInfoForBytes(name, data) if err != nil { l4g.Warn(utils.T("api.file.migrate_filenames_to_file_infos.info.app_error"), post.Id, filename, err) } } // Generate a new ID because with the old system, you could very rarely get multiple posts referencing the same file info.Id = model.NewId() info.CreatorId = post.UserId info.PostId = post.Id info.CreateAt = post.CreateAt info.UpdateAt = post.UpdateAt info.Path = path if info.IsImage() { nameWithoutExtension := name[:strings.LastIndex(name, ".")] info.PreviewPath = pathPrefix + nameWithoutExtension + "_preview.jpg" info.ThumbnailPath = pathPrefix + nameWithoutExtension + "_thumb.jpg" } return info }