Class SingleFileDownloadHandler

Protected Readonly directoryArchiver

Protected Readonly fileDownloadCache

Protected Readonly logger

Protected archive

• archive(inputPath, outputPath?, entries?): Promise<string>

• Parameters

  • inputPath: string
  • outputPath: string = ...
  • Optional entries: string[]

  Returns Promise<string>

Protected createTempDir

• createTempDir(downloadId?): Promise<string>

• Parameters

  • downloadId: string = ...

  Returns Promise<string>

Protected download

• download(request, response, downloadInfo, id): Promise<void>

• Parameters

  • request: Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>
  • response: Response<any, Record<string, any>>
  • downloadInfo: DownloadStorageItem
  • id: string

  Returns Promise<void>

Protected handleError

• handleError(response, reason, status?): Promise<void>

• Parameters

  • response: Response<any, Record<string, any>>
  • reason: string | Error
  • status: number = INTERNAL_SERVER_ERROR

  Returns Promise<void>

Protected parseRangeHeader

• parseRangeHeader(range, statSize): undefined | {
      end: number;
      start: number;
  }

• Parameters

  • range: undefined | string | string[]
  • statSize: number

  Returns undefined | {
      end: number;
      start: number;
  }

Protected prepareDownload

• prepareDownload(request, response, options): Promise<void>

• Prepares the file and the link for download

  Parameters

  • request: Request<ParamsDictionary, any, any, ParsedQs, Record<string, any>>
  • response: Response<any, Record<string, any>>
  • options: PrepareDownloadOptions

  Returns Promise<void>

Protected streamDownload

• streamDownload(status, response, stream, id): void

• Streams the file and pipe it to the Response to avoid any OOM issues

  Parameters

  • status: number
  • response: Response<any, Record<string, any>>
  • stream: ReadStream
  • id: string

  Returns void