1 files changed, 127 insertions, 0 deletions

diff --git a/server/lib/video-privacy.ts b/server/lib/video-privacy.ts
new file mode 100644
index 000000000..41f9d62b3
--- /dev/null
+++ b/server/lib/video-privacy.ts
@@ -0,0 +1,127 @@
+import { move } from 'fs-extra'
+import { join } from 'path'
+import { logger } from '@server/helpers/logger'
+import { DIRECTORIES } from '@server/initializers/constants'
+import { MVideo, MVideoFile, MVideoFullLight } from '@server/types/models'
+import { VideoPrivacy, VideoStorage } from '@shared/models'
+import { updateHLSFilesACL, updateWebTorrentFileACL } from './object-storage'
+
+function setVideoPrivacy (video: MVideo, newPrivacy: VideoPrivacy) {
+  if (video.privacy === VideoPrivacy.PRIVATE && newPrivacy !== VideoPrivacy.PRIVATE) {
+    video.publishedAt = new Date()
+  }
+
+  video.privacy = newPrivacy
+}
+
+function isVideoInPrivateDirectory (privacy: VideoPrivacy) {
+  return privacy === VideoPrivacy.PRIVATE || privacy === VideoPrivacy.INTERNAL
+}
+
+function isVideoInPublicDirectory (privacy: VideoPrivacy) {
+  return !isVideoInPrivateDirectory(privacy)
+}
+
+async function moveFilesIfPrivacyChanged (video: MVideoFullLight, oldPrivacy: VideoPrivacy) {
+  // Now public, previously private
+  if (isVideoInPublicDirectory(video.privacy) && isVideoInPrivateDirectory(oldPrivacy)) {
+    await moveFiles({ type: 'private-to-public', video })
+
+    return true
+  }
+
+  // Now private, previously public
+  if (isVideoInPrivateDirectory(video.privacy) && isVideoInPublicDirectory(oldPrivacy)) {
+    await moveFiles({ type: 'public-to-private', video })
+
+    return true
+  }
+
+  return false
+}
+
+export {
+  setVideoPrivacy,
+
+  isVideoInPrivateDirectory,
+  isVideoInPublicDirectory,
+
+  moveFilesIfPrivacyChanged
+}
+
+// ---------------------------------------------------------------------------
+
+type MoveType = 'private-to-public' | 'public-to-private'
+
+async function moveFiles (options: {
+  type: MoveType
+  video: MVideoFullLight
+}) {
+  const { type, video } = options
+
+  for (const file of video.VideoFiles) {
+    if (file.storage === VideoStorage.FILE_SYSTEM) {
+      await moveWebTorrentFileOnFS(type, video, file)
+    } else {
+      await updateWebTorrentFileACL(video, file)
+    }
+  }
+
+  const hls = video.getHLSPlaylist()
+
+  if (hls) {
+    if (hls.storage === VideoStorage.FILE_SYSTEM) {
+      await moveHLSFilesOnFS(type, video)
+    } else {
+      await updateHLSFilesACL(hls)
+    }
+  }
+}
+
+async function moveWebTorrentFileOnFS (type: MoveType, video: MVideo, file: MVideoFile) {
+  const directories = getWebTorrentDirectories(type)
+
+  const source = join(directories.old, file.filename)
+  const destination = join(directories.new, file.filename)
+
+  try {
+    logger.info('Moving WebTorrent files of %s after privacy change (%s -> %s).', video.uuid, source, destination)
+
+    await move(source, destination)
+  } catch (err) {
+    logger.error('Cannot move webtorrent file %s to %s after privacy change', source, destination, { err })
+  }
+}
+
+function getWebTorrentDirectories (moveType: MoveType) {
+  if (moveType === 'private-to-public') {
+    return { old: DIRECTORIES.VIDEOS.PRIVATE, new: DIRECTORIES.VIDEOS.PUBLIC }
+  }
+
+  return { old: DIRECTORIES.VIDEOS.PUBLIC, new: DIRECTORIES.VIDEOS.PRIVATE }
+}
+
+// ---------------------------------------------------------------------------
+
+async function moveHLSFilesOnFS (type: MoveType, video: MVideo) {
+  const directories = getHLSDirectories(type)
+
+  const source = join(directories.old, video.uuid)
+  const destination = join(directories.new, video.uuid)
+
+  try {
+    logger.info('Moving HLS files of %s after privacy change (%s -> %s).', video.uuid, source, destination)
+
+    await move(source, destination)
+  } catch (err) {
+    logger.error('Cannot move HLS file %s to %s after privacy change', source, destination, { err })
+  }
+}
+
+function getHLSDirectories (moveType: MoveType) {
+  if (moveType === 'private-to-public') {
+    return { old: DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, new: DIRECTORIES.HLS_STREAMING_PLAYLIST.PUBLIC }
+  }
+
+  return { old: DIRECTORIES.HLS_STREAMING_PLAYLIST.PUBLIC, new: DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE }
+}