1 files changed, 46 insertions, 0 deletions

diff --git a/shared/server-commands/miscs/webtorrent.ts b/shared/server-commands/miscs/webtorrent.ts
new file mode 100644
index 000000000..0683f8893
--- /dev/null
+++ b/shared/server-commands/miscs/webtorrent.ts
@@ -0,0 +1,46 @@
+import { readFile } from 'fs-extra'
+import parseTorrent from 'parse-torrent'
+import { basename, join } from 'path'
+import * as WebTorrent from 'webtorrent'
+import { VideoFile } from '@shared/models'
+import { PeerTubeServer } from '../server'
+
+let webtorrent: WebTorrent.Instance
+
+function webtorrentAdd (torrentId: string, refreshWebTorrent = false) {
+  const WebTorrent = require('webtorrent')
+
+  if (webtorrent && refreshWebTorrent) webtorrent.destroy()
+  if (!webtorrent || refreshWebTorrent) webtorrent = new WebTorrent()
+
+  webtorrent.on('error', err => console.error('Error in webtorrent', err))
+
+  return new Promise<WebTorrent.Torrent>(res => {
+    const torrent = webtorrent.add(torrentId, res)
+
+    torrent.on('error', err => console.error('Error in webtorrent torrent', err))
+    torrent.on('warning', warn => {
+      const msg = typeof warn === 'string'
+        ? warn
+        : warn.message
+
+      if (msg.includes('Unsupported')) return
+
+      console.error('Warning in webtorrent torrent', warn)
+    })
+  })
+}
+
+async function parseTorrentVideo (server: PeerTubeServer, file: VideoFile) {
+  const torrentName = basename(file.torrentUrl)
+  const torrentPath = server.servers.buildDirectory(join('torrents', torrentName))
+
+  const data = await readFile(torrentPath)
+
+  return parseTorrent(data)
+}
+
+export {
+  webtorrentAdd,
+  parseTorrentVideo
+}