Translated using Weblate (Russian)

[github/Chocobozzz/PeerTube.git] / server / helpers / webtorrent.ts

diff --git a/server/helpers/webtorrent.ts b/server/helpers/webtorrent.ts
index 14dfe0d28c2bc89a182069b7c35a667841519fdb..d8220ba9c6583e3acb13e8ec7de8ba306a8fd983 100644 (file)
--- a/server/helpers/webtorrent.ts
+++ b/server/helpers/webtorrent.ts
@@ -1,9 +1,22 @@
-import { logger } from './logger'
-import { generateVideoImportTmpPath } from './utils'
+import * as createTorrent from 'create-torrent'
+import { createWriteStream, ensureDir, remove, writeFile } from 'fs-extra'
+import * as magnetUtil from 'magnet-uri'
+import * as parseTorrent from 'parse-torrent'
+import { dirname, join } from 'path'
 import * as WebTorrent from 'webtorrent'
-import { createWriteStream, ensureDir, remove } from 'fs-extra'
+import { isArray } from '@server/helpers/custom-validators/misc'
+import { WEBSERVER } from '@server/initializers/constants'
+import { generateTorrentFileName, getVideoFilePath } from '@server/lib/video-paths'
+import { MVideo } from '@server/types/models/video/video'
+import { MVideoFile, MVideoFileRedundanciesOpt } from '@server/types/models/video/video-file'
+import { MStreamingPlaylistVideo } from '@server/types/models/video/video-streaming-playlist'
 import { CONFIG } from '../initializers/config'
-import { dirname, join } from 'path'
+import { promisify2 } from './core-utils'
+import { logger } from './logger'
+import { generateVideoImportTmpPath } from './utils'
+import { extractVideo } from './video'
+
+const createTorrentPromise = promisify2<string, any, any>(createTorrent)
 
 async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName?: string }, timeout: number) {
   const id = target.magnetUri || target.torrentName
@@ -26,7 +39,7 @@ async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName
       if (torrent.files.length !== 1) {
         if (timer) clearTimeout(timer)
 
-        for (let file of torrent.files) {
+        for (const file of torrent.files) {
           deleteDownloadedFile({ directoryPath, filepath: file.path })
         }
 
@@ -34,15 +47,16 @@ async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName
           .then(() => rej(new Error('Cannot import torrent ' + torrentId + ': there are multiple files in it')))
       }
 
-      file = torrent.files[ 0 ]
+      file = torrent.files[0]
 
       // FIXME: avoid creating another stream when https://github.com/webtorrent/webtorrent/issues/1517 is fixed
       const writeStream = createWriteStream(path)
       writeStream.on('finish', () => {
         if (timer) clearTimeout(timer)
 
-        return safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName)
+        safeWebtorrentDestroy(webtorrent, torrentId, { directoryPath, filepath: file.path }, target.torrentName)
           .then(() => res(path))
+          .catch(err => logger.error('Cannot destroy webtorrent.', { err }))
       })
 
       file.createReadStream().pipe(writeStream)
@@ -50,16 +64,79 @@ async function downloadWebTorrentVideo (target: { magnetUri: string, torrentName
 
     torrent.on('error', err => rej(err))
 
-    timer = setTimeout(async () => {
-      return safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName)
-        .then(() => rej(new Error('Webtorrent download timeout.')))
+    timer = setTimeout(() => {
+      const err = new Error('Webtorrent download timeout.')
+
+      safeWebtorrentDestroy(webtorrent, torrentId, file ? { directoryPath, filepath: file.path } : undefined, target.torrentName)
+        .then(() => rej(err))
+        .catch(destroyErr => {
+          logger.error('Cannot destroy webtorrent.', { err: destroyErr })
+          rej(err)
+        })
+
     }, timeout)
   })
 }
 
+async function createTorrentAndSetInfoHash (
+  videoOrPlaylist: MVideo | MStreamingPlaylistVideo,
+  videoFile: MVideoFile
+) {
+  const video = extractVideo(videoOrPlaylist)
+
+  const options = {
+    // Keep the extname, it's used by the client to stream the file inside a web browser
+    name: `${video.name} ${videoFile.resolution}p${videoFile.extname}`,
+    createdBy: 'PeerTube',
+    announceList: [
+      [ WEBSERVER.WS + '://' + WEBSERVER.HOSTNAME + ':' + WEBSERVER.PORT + '/tracker/socket' ],
+      [ WEBSERVER.URL + '/tracker/announce' ]
+    ],
+    urlList: [ videoFile.getFileUrl(video) ]
+  }
+
+  const torrent = await createTorrentPromise(getVideoFilePath(videoOrPlaylist, videoFile), options)
+
+  const torrentFilename = generateTorrentFileName(videoOrPlaylist, videoFile.resolution)
+  const torrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, torrentFilename)
+  logger.info('Creating torrent %s.', torrentPath)
+
+  await writeFile(torrentPath, torrent)
+
+  const parsedTorrent = parseTorrent(torrent)
+  videoFile.infoHash = parsedTorrent.infoHash
+  videoFile.torrentFilename = torrentFilename
+}
+
+function generateMagnetUri (
+  video: MVideo,
+  videoFile: MVideoFileRedundanciesOpt,
+  trackerUrls: string[]
+) {
+  const xs = videoFile.getTorrentUrl()
+  const announce = trackerUrls
+  let urlList = [ videoFile.getFileUrl(video) ]
+
+  const redundancies = videoFile.RedundancyVideos
+  if (isArray(redundancies)) urlList = urlList.concat(redundancies.map(r => r.fileUrl))
+
+  const magnetHash = {
+    xs,
+    announce,
+    urlList,
+    infoHash: videoFile.infoHash,
+    name: video.name
+  }
+
+  return magnetUtil.encode(magnetHash)
+}
+
 // ---------------------------------------------------------------------------
 
 export {
+  createTorrentPromise,
+  createTorrentAndSetInfoHash,
+  generateMagnetUri,
   downloadWebTorrentVideo
 }
 
@@ -71,7 +148,7 @@ function safeWebtorrentDestroy (
   downloadedFile?: { directoryPath: string, filepath: string },
   torrentName?: string
 ) {
-  return new Promise(res => {
+  return new Promise<void>(res => {
     webtorrent.destroy(err => {
       // Delete torrent file
       if (torrentName) {