server/lib/paths.ts

   1 import { join } from 'path'
   2 import { CONFIG } from '@server/initializers/config'
   3 import { DIRECTORIES, VIDEO_LIVE } from '@server/initializers/constants'
   4 import { isStreamingPlaylist, MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoUUID } from '@server/types/models'
   5 import { removeFragmentedMP4Ext } from '@shared/core-utils'
   6 import { buildUUID } from '@shared/extra-utils'
   7 import { isVideoInPrivateDirectory } from './video-privacy'
   8
   9 // ################## Video file name ##################
  10
  11 function generateWebTorrentVideoFilename (resolution: number, extname: string) {
  12   return buildUUID() + '-' + resolution + extname
  13 }
  14
  15 function generateHLSVideoFilename (resolution: number) {
  16   return `${buildUUID()}-${resolution}-fragmented.mp4`
  17 }
  18
  19 // ################## Streaming playlist ##################
  20
  21 function getLiveDirectory (video: MVideo) {
  22   return getHLSDirectory(video)
  23 }
  24
  25 function getLiveReplayBaseDirectory (video: MVideo) {
  26   return join(getLiveDirectory(video), VIDEO_LIVE.REPLAY_DIRECTORY)
  27 }
  28
  29 function getHLSDirectory (video: MVideo) {
  30   if (isVideoInPrivateDirectory(video.privacy)) {
  31     return join(DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, video.uuid)
  32   }
  33
  34   return join(DIRECTORIES.HLS_STREAMING_PLAYLIST.PUBLIC, video.uuid)
  35 }
  36
  37 function getHLSRedundancyDirectory (video: MVideoUUID) {
  38   return join(DIRECTORIES.HLS_REDUNDANCY, video.uuid)
  39 }
  40
  41 function getHlsResolutionPlaylistFilename (videoFilename: string) {
  42   // Video file name already contain resolution
  43   return removeFragmentedMP4Ext(videoFilename) + '.m3u8'
  44 }
  45
  46 function generateHLSMasterPlaylistFilename (isLive = false) {
  47   if (isLive) return 'master.m3u8'
  48
  49   return buildUUID() + '-master.m3u8'
  50 }
  51
  52 function generateHlsSha256SegmentsFilename (isLive = false) {
  53   if (isLive) return 'segments-sha256.json'
  54
  55   return buildUUID() + '-segments-sha256.json'
  56 }
  57
  58 // ################## Torrents ##################
  59
  60 function generateTorrentFileName (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, resolution: number) {
  61   const extension = '.torrent'
  62   const uuid = buildUUID()
  63
  64   if (isStreamingPlaylist(videoOrPlaylist)) {
  65     return `${uuid}-${resolution}-${videoOrPlaylist.getStringType()}${extension}`
  66   }
  67
  68   return uuid + '-' + resolution + extension
  69 }
  70
  71 function getFSTorrentFilePath (videoFile: MVideoFile) {
  72   return join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
  73 }
  74
  75 // ---------------------------------------------------------------------------
  76
  77 export {
  78   generateHLSVideoFilename,
  79   generateWebTorrentVideoFilename,
  80
  81   generateTorrentFileName,
  82   getFSTorrentFilePath,
  83
  84   getHLSDirectory,
  85   getLiveDirectory,
  86   getLiveReplayBaseDirectory,
  87   getHLSRedundancyDirectory,
  88
  89   generateHLSMasterPlaylistFilename,
  90   generateHlsSha256SegmentsFilename,
  91   getHlsResolutionPlaylistFilename
  92 }