]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blobdiff - server/lib/activitypub/videos.ts
Fix CLI plugins list command: use command parameters.
[github/Chocobozzz/PeerTube.git] / server / lib / activitypub / videos.ts
index 2fb1f8d4982f8082257766ab5c198381420295a1..506204674dbafad0f6bced6113d74b83a2e4ec85 100644 (file)
 import * as Bluebird from 'bluebird'
-import * as sequelize from 'sequelize'
+import { maxBy, minBy } from 'lodash'
 import * as magnetUtil from 'magnet-uri'
-import * as request from 'request'
+import { basename } from 'path'
+import { Transaction } from 'sequelize/types'
+import { TrackerModel } from '@server/models/server/tracker'
+import { VideoLiveModel } from '@server/models/video/video-live'
+import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
 import {
   ActivityHashTagObject,
   ActivityMagnetUrlObject,
   ActivityPlaylistSegmentHashesObject,
-  ActivityPlaylistUrlObject, ActivityTagObject,
+  ActivityPlaylistUrlObject,
+  ActivitypubHttpFetcherPayload,
+  ActivityTagObject,
   ActivityUrlObject,
-  ActivityVideoUrlObject,
-  VideoState
+  ActivityVideoUrlObject
 } from '../../../shared/index'
-import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
+import { ActivityTrackerUrlObject, VideoObject } from '../../../shared/models/activitypub/objects'
 import { VideoPrivacy } from '../../../shared/models/videos'
-import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
+import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type'
+import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
+import { buildRemoteVideoBaseUrl, checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
+import {
+  isAPVideoFileUrlMetadataObject,
+  isAPVideoTrackerUrlObject,
+  sanitizeAndCheckVideoTorrentObject
+} from '../../helpers/custom-validators/activitypub/videos'
+import { isArray } from '../../helpers/custom-validators/misc'
 import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos'
 import { deleteNonExistingModels, resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
 import { logger } from '../../helpers/logger'
-import { doRequest, doRequestAndSaveToFile } from '../../helpers/requests'
+import { doJSONRequest, PeerTubeRequestError } from '../../helpers/requests'
+import { fetchVideoByUrl, getExtFromMimetype, VideoFetchByUrlType } from '../../helpers/video'
 import {
   ACTIVITY_PUB,
   MIMETYPES,
   P2P_MEDIA_LOADER_PEER_VERSION,
   PREVIEWS_SIZE,
   REMOTE_SCHEME,
-  STATIC_PATHS
+  THUMBNAILS_SIZE
 } from '../../initializers/constants'
-import { TagModel } from '../../models/video/tag'
+import { sequelizeTypescript } from '../../initializers/database'
+import { AccountVideoRateModel } from '../../models/account/account-video-rate'
 import { VideoModel } from '../../models/video/video'
-import { VideoFileModel } from '../../models/video/video-file'
-import { getOrCreateActorAndServerAndModel } from './actor'
-import { addVideoComments } from './video-comments'
-import { crawlCollectionPage } from './crawl'
-import { sendCreateVideo, sendUpdateVideo } from './send'
-import { isArray } from '../../helpers/custom-validators/misc'
 import { VideoCaptionModel } from '../../models/video/video-caption'
-import { JobQueue } from '../job-queue'
-import { ActivitypubHttpFetcherPayload } from '../job-queue/handlers/activitypub-http-fetcher'
-import { createRates } from './video-rates'
-import { addVideoShares, shareVideoByServerAndChannel } from './share'
-import { fetchVideoByUrl, VideoFetchByUrlType } from '../../helpers/video'
-import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
-import { Notifier } from '../notifier'
-import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
-import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
-import { AccountVideoRateModel } from '../../models/account/account-video-rate'
-import { VideoShareModel } from '../../models/video/video-share'
 import { VideoCommentModel } from '../../models/video/video-comment'
-import { sequelizeTypescript } from '../../initializers/database'
-import { createPlaceholderThumbnail, createVideoMiniatureFromUrl } from '../thumbnail'
-import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type'
-import { join } from 'path'
-import { FilteredModelAttributes } from '../../typings/sequelize'
-import { autoBlacklistVideoIfNeeded } from '../video-blacklist'
-import { ActorFollowScoreCache } from '../files-cache'
+import { VideoFileModel } from '../../models/video/video-file'
+import { VideoShareModel } from '../../models/video/video-share'
+import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
 import {
   MAccountIdActor,
   MChannelAccountLight,
   MChannelDefault,
   MChannelId,
   MStreamingPlaylist,
+  MStreamingPlaylistFilesVideo,
+  MStreamingPlaylistVideo,
   MVideo,
   MVideoAccountLight,
   MVideoAccountLightBlacklistAllFiles,
   MVideoAP,
   MVideoAPWithoutCaption,
+  MVideoCaption,
   MVideoFile,
   MVideoFullLight,
   MVideoId,
-  MVideoThumbnail
-} from '../../typings/models'
-import { MThumbnail } from '../../typings/models/video/thumbnail'
+  MVideoImmutable,
+  MVideoThumbnail,
+  MVideoWithHost
+} from '../../types/models'
+import { MThumbnail } from '../../types/models/video/thumbnail'
+import { FilteredModelAttributes } from '../../types/sequelize'
+import { ActorFollowScoreCache } from '../files-cache'
+import { JobQueue } from '../job-queue'
+import { Notifier } from '../notifier'
+import { PeerTubeSocket } from '../peertube-socket'
+import { createPlaceholderThumbnail, createVideoMiniatureFromUrl } from '../thumbnail'
+import { setVideoTags } from '../video'
+import { autoBlacklistVideoIfNeeded } from '../video-blacklist'
+import { generateTorrentFileName } from '../video-paths'
+import { getOrCreateActorAndServerAndModel } from './actor'
+import { crawlCollectionPage } from './crawl'
+import { sendCreateVideo, sendUpdateVideo } from './send'
+import { addVideoShares, shareVideoByServerAndChannel } from './share'
+import { addVideoComments } from './video-comments'
+import { createRates } from './video-rates'
 
-async function federateVideoIfNeeded (videoArg: MVideoAPWithoutCaption, isNewVideo: boolean, transaction?: sequelize.Transaction) {
+async function federateVideoIfNeeded (videoArg: MVideoAPWithoutCaption, isNewVideo: boolean, transaction?: Transaction) {
   const video = videoArg as MVideoAP
 
   if (
     // Check this is not a blacklisted video, or unfederated blacklisted video
     (video.isBlacklisted() === false || (isNewVideo === false && video.VideoBlacklist.unfederated === false)) &&
     // Check the video is public/unlisted and published
-    video.hasPrivacyForFederation() && video.state === VideoState.PUBLISHED
+    video.hasPrivacyForFederation() && video.hasStateForFederation()
   ) {
     // Fetch more attributes that we will need to serialize in AP object
     if (isArray(video.VideoCaptions) === false) {
       video.VideoCaptions = await video.$get('VideoCaptions', {
-        attributes: [ 'language' ],
+        attributes: [ 'filename', 'language' ],
         transaction
-      }) as VideoCaptionModel[]
+      })
     }
 
     if (isNewVideo) {
@@ -99,52 +113,29 @@ async function federateVideoIfNeeded (videoArg: MVideoAPWithoutCaption, isNewVid
   }
 }
 
-async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoTorrentObject }> {
-  const options = {
-    uri: videoUrl,
-    method: 'GET',
-    json: true,
-    activityPub: true
-  }
-
+async function fetchRemoteVideo (videoUrl: string): Promise<{ statusCode: number, videoObject: VideoObject }> {
   logger.info('Fetching remote video %s.', videoUrl)
 
-  const { response, body } = await doRequest(options)
+  const { statusCode, body } = await doJSONRequest<any>(videoUrl, { activityPub: true })
 
   if (sanitizeAndCheckVideoTorrentObject(body) === false || checkUrlsSameHost(body.id, videoUrl) !== true) {
     logger.debug('Remote video JSON is not valid.', { body })
-    return { response, videoObject: undefined }
+    return { statusCode, videoObject: undefined }
   }
 
-  return { response, videoObject: body }
+  return { statusCode, videoObject: body }
 }
 
 async function fetchRemoteVideoDescription (video: MVideoAccountLight) {
   const host = video.VideoChannel.Account.Actor.Server.host
   const path = video.getDescriptionAPIPath()
-  const options = {
-    uri: REMOTE_SCHEME.HTTP + '://' + host + path,
-    json: true
-  }
+  const url = REMOTE_SCHEME.HTTP + '://' + host + path
 
-  const { body } = await doRequest(options)
-  return body.description ? body.description : ''
+  const { body } = await doJSONRequest<any>(url)
+  return body.description || ''
 }
 
-function fetchRemoteVideoStaticFile (video: MVideoAccountLight, path: string, destPath: string) {
-  const url = buildRemoteBaseUrl(video, path)
-
-  // We need to provide a callback, if no we could have an uncaught exception
-  return doRequestAndSaveToFile({ uri: url }, destPath)
-}
-
-function buildRemoteBaseUrl (video: MVideoAccountLight, path: string) {
-  const host = video.VideoChannel.Account.Actor.Server.host
-
-  return REMOTE_SCHEME.HTTP + '://' + host + path
-}
-
-function getOrCreateVideoChannelFromVideoObject (videoObject: VideoTorrentObject) {
+function getOrCreateVideoChannelFromVideoObject (videoObject: VideoObject) {
   const channel = videoObject.attributedTo.find(a => a.type === 'Group')
   if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
 
@@ -163,7 +154,7 @@ type SyncParam = {
   thumbnail: boolean
   refreshVideo?: boolean
 }
-async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTorrentObject, syncParam: SyncParam) {
+async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoObject, syncParam: SyncParam) {
   logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid)
 
   const jobPayloads: ActivitypubHttpFetcherPayload[] = []
@@ -173,7 +164,7 @@ async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTo
     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'like' as 'like', crawlStartDate)
 
     await crawlCollectionPage<string>(fetchedVideo.likes, handler, cleaner)
-      .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err }))
+      .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.likes }))
   } else {
     jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' })
   }
@@ -183,7 +174,7 @@ async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTo
     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'dislike' as 'dislike', crawlStartDate)
 
     await crawlCollectionPage<string>(fetchedVideo.dislikes, handler, cleaner)
-      .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err }))
+      .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.dislikes }))
   } else {
     jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' })
   }
@@ -193,7 +184,7 @@ async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTo
     const cleaner = crawlStartDate => VideoShareModel.cleanOldSharesOf(video.id, crawlStartDate)
 
     await crawlCollectionPage<string>(fetchedVideo.shares, handler, cleaner)
-      .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err }))
+      .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err, rootUrl: fetchedVideo.shares }))
   } else {
     jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
   }
@@ -203,32 +194,49 @@ async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTo
     const cleaner = crawlStartDate => VideoCommentModel.cleanOldCommentsOf(video.id, crawlStartDate)
 
     await crawlCollectionPage<string>(fetchedVideo.comments, handler, cleaner)
-      .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err }))
+      .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err, rootUrl: fetchedVideo.comments }))
   } else {
     jobPayloads.push({ uri: fetchedVideo.comments, videoId: video.id, type: 'video-comments' as 'video-comments' })
   }
 
-  await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload }))
+  await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload }))
 }
 
-function getOrCreateVideoAndAccountAndChannel (options: {
-  videoObject: { id: string } | string,
-  syncParam?: SyncParam,
-  fetchType?: 'all',
+type GetVideoResult <T> = Promise<{
+  video: T
+  created: boolean
+  autoBlacklisted?: boolean
+}>
+
+type GetVideoParamAll = {
+  videoObject: { id: string } | string
+  syncParam?: SyncParam
+  fetchType?: 'all'
   allowRefresh?: boolean
-}): Promise<{ video: MVideoAccountLightBlacklistAllFiles, created: boolean, autoBlacklisted?: boolean }>
-function getOrCreateVideoAndAccountAndChannel (options: {
-  videoObject: { id: string } | string,
-  syncParam?: SyncParam,
-  fetchType?: VideoFetchByUrlType,
+}
+
+type GetVideoParamImmutable = {
+  videoObject: { id: string } | string
+  syncParam?: SyncParam
+  fetchType: 'only-immutable-attributes'
+  allowRefresh: false
+}
+
+type GetVideoParamOther = {
+  videoObject: { id: string } | string
+  syncParam?: SyncParam
+  fetchType?: 'all' | 'only-video'
   allowRefresh?: boolean
-}): Promise<{ video: MVideoAccountLightBlacklistAllFiles | MVideoThumbnail, created: boolean, autoBlacklisted?: boolean }>
-async function getOrCreateVideoAndAccountAndChannel (options: {
-  videoObject: { id: string } | string,
-  syncParam?: SyncParam,
-  fetchType?: VideoFetchByUrlType,
-  allowRefresh?: boolean // true by default
-}): Promise<{ video: MVideoAccountLightBlacklistAllFiles | MVideoThumbnail, created: boolean, autoBlacklisted?: boolean }> {
+}
+
+function getOrCreateVideoAndAccountAndChannel (options: GetVideoParamAll): GetVideoResult<MVideoAccountLightBlacklistAllFiles>
+function getOrCreateVideoAndAccountAndChannel (options: GetVideoParamImmutable): GetVideoResult<MVideoImmutable>
+function getOrCreateVideoAndAccountAndChannel (
+  options: GetVideoParamOther
+): GetVideoResult<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail>
+async function getOrCreateVideoAndAccountAndChannel (
+  options: GetVideoParamAll | GetVideoParamImmutable | GetVideoParamOther
+): GetVideoResult<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail | MVideoImmutable> {
   // Default params
   const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false }
   const fetchType = options.fetchType || 'all'
@@ -236,18 +244,25 @@ async function getOrCreateVideoAndAccountAndChannel (options: {
 
   // Get video url
   const videoUrl = getAPId(options.videoObject)
-
   let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
+
   if (videoFromDatabase) {
-    if (videoFromDatabase.isOutdated() && allowRefresh === true) {
+    // If allowRefresh is true, we could not call this function using 'only-immutable-attributes' fetch type
+    if (allowRefresh === true && (videoFromDatabase as MVideoThumbnail).isOutdated()) {
       const refreshOptions = {
-        video: videoFromDatabase,
+        video: videoFromDatabase as MVideoThumbnail,
         fetchedType: fetchType,
         syncParam
       }
 
-      if (syncParam.refreshVideo === true) videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
-      else await JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', url: videoFromDatabase.url } })
+      if (syncParam.refreshVideo === true) {
+        videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
+      } else {
+        await JobQueue.Instance.createJobWithPromise({
+          type: 'activitypub-refresher',
+          payload: { type: 'video', url: videoFromDatabase.url }
+        })
+      }
     }
 
     return { video: videoFromDatabase, created: false }
@@ -258,23 +273,34 @@ async function getOrCreateVideoAndAccountAndChannel (options: {
 
   const actor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo)
   const videoChannel = actor.VideoChannel
-  const { autoBlacklisted, videoCreated } = await retryTransactionWrapper(createVideo, fetchedVideo, videoChannel, syncParam.thumbnail)
 
-  await syncVideoExternalAttributes(videoCreated, fetchedVideo, syncParam)
+  try {
+    const { autoBlacklisted, videoCreated } = await retryTransactionWrapper(createVideo, fetchedVideo, videoChannel, syncParam.thumbnail)
+
+    await syncVideoExternalAttributes(videoCreated, fetchedVideo, syncParam)
+
+    return { video: videoCreated, created: true, autoBlacklisted }
+  } catch (err) {
+    // Maybe a concurrent getOrCreateVideoAndAccountAndChannel call created this video
+    if (err.name === 'SequelizeUniqueConstraintError') {
+      const fallbackVideo = await fetchVideoByUrl(videoUrl, fetchType)
+      if (fallbackVideo) return { video: fallbackVideo, created: false }
+    }
 
-  return { video: videoCreated, created: true, autoBlacklisted }
+    throw err
+  }
 }
 
 async function updateVideoFromAP (options: {
-  video: MVideoAccountLightBlacklistAllFiles,
-  videoObject: VideoTorrentObject,
-  account: MAccountIdActor,
-  channel: MChannelDefault,
+  video: MVideoAccountLightBlacklistAllFiles
+  videoObject: VideoObject
+  account: MAccountIdActor
+  channel: MChannelDefault
   overrideTo?: string[]
 }) {
   const { video, videoObject, account, channel, overrideTo } = options
 
-  logger.debug('Updating remote video "%s".', options.videoObject.uuid, { account, channel })
+  logger.debug('Updating remote video "%s".', options.videoObject.uuid, { videoObject: options.videoObject, account, channel })
 
   let videoFieldsSave: any
   const wasPrivateVideo = video.privacy === VideoPrivacy.PRIVATE
@@ -284,7 +310,11 @@ async function updateVideoFromAP (options: {
     let thumbnailModel: MThumbnail
 
     try {
-      thumbnailModel = await createVideoMiniatureFromUrl(videoObject.icon.url, video, ThumbnailType.MINIATURE)
+      thumbnailModel = await createVideoMiniatureFromUrl({
+        downloadUrl: getThumbnailFromIcons(videoObject).url,
+        video,
+        type: ThumbnailType.MINIATURE
+      })
     } catch (err) {
       logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })
     }
@@ -294,13 +324,18 @@ async function updateVideoFromAP (options: {
 
       videoFieldsSave = video.toJSON()
 
-      // Check actor has the right to update the video
-      const videoChannel = video.VideoChannel
-      if (videoChannel.Account.id !== account.id) {
-        throw new Error('Account ' + account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url)
+      // Check we can update the channel: we trust the remote server
+      const oldVideoChannel = video.VideoChannel
+
+      if (!oldVideoChannel.Actor.serverId || !channel.Actor.serverId) {
+        throw new Error('Cannot check old channel/new channel validity because `serverId` is null')
+      }
+
+      if (oldVideoChannel.Actor.serverId !== channel.Actor.serverId) {
+        throw new Error('New channel ' + channel.Actor.url + ' is not on the same server than new channel ' + oldVideoChannel.Actor.url)
       }
 
-      const to = overrideTo ? overrideTo : videoObject.to
+      const to = overrideTo || videoObject.to
       const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, to)
       video.name = videoData.name
       video.uuid = videoData.uuid
@@ -322,15 +357,25 @@ async function updateVideoFromAP (options: {
       video.privacy = videoData.privacy
       video.channelId = videoData.channelId
       video.views = videoData.views
+      video.isLive = videoData.isLive
+
+      // Ensures we update the updated video attribute
+      video.changed('updatedAt', true)
 
       const videoUpdated = await video.save(sequelizeOptions) as MVideoFullLight
 
       if (thumbnailModel) await videoUpdated.addAndSaveThumbnail(thumbnailModel, t)
 
-      // FIXME: use icon URL instead
-      const previewUrl = buildRemoteBaseUrl(videoUpdated, join(STATIC_PATHS.PREVIEWS, videoUpdated.getPreview().filename))
-      const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
-      await videoUpdated.addAndSaveThumbnail(previewModel, t)
+      const previewIcon = getPreviewFromIcons(videoObject)
+      if (videoUpdated.getPreview() && previewIcon) {
+        const previewModel = createPlaceholderThumbnail({
+          fileUrl: previewIcon.url,
+          video,
+          type: ThumbnailType.PREVIEW,
+          size: previewIcon
+        })
+        await videoUpdated.addAndSaveThumbnail(previewModel, t)
+      }
 
       {
         const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoUpdated, videoObject.url)
@@ -362,7 +407,8 @@ async function updateVideoFromAP (options: {
 
         for (const playlistAttributes of streamingPlaylistAttributes) {
           const streamingPlaylistModel = await VideoStreamingPlaylistModel.upsert(playlistAttributes, { returning: true, transaction: t })
-                                     .then(([ streamingPlaylist ]) => streamingPlaylist)
+                                     .then(([ streamingPlaylist ]) => streamingPlaylist as MStreamingPlaylistFilesVideo)
+          streamingPlaylistModel.Video = videoUpdated
 
           const newVideoFiles: MVideoFile[] = videoFileActivityUrlToDBAttributes(streamingPlaylistModel, playlistAttributes.tagAPObject)
             .map(a => new VideoFileModel(a))
@@ -382,8 +428,13 @@ async function updateVideoFromAP (options: {
         const tags = videoObject.tag
                                 .filter(isAPHashTagObject)
                                 .map(tag => tag.name)
-        const tagInstances = await TagModel.findOrCreateTags(tags, t)
-        await videoUpdated.$set('Tags', tagInstances, sequelizeOptions)
+        await setVideoTags({ video: videoUpdated, tags, transaction: t })
+      }
+
+      // Update trackers
+      {
+        const trackers = getTrackerUrls(videoObject, videoUpdated)
+        await setVideoTrackers({ video: videoUpdated, trackers, transaction: t })
       }
 
       {
@@ -391,11 +442,40 @@ async function updateVideoFromAP (options: {
         await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(videoUpdated.id, t)
 
         const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
-          return VideoCaptionModel.insertOrReplaceLanguage(videoUpdated.id, c.identifier, t)
+          const caption = new VideoCaptionModel({
+            videoId: videoUpdated.id,
+            filename: VideoCaptionModel.generateCaptionName(c.identifier),
+            language: c.identifier,
+            fileUrl: c.url
+          }) as MVideoCaption
+
+          return VideoCaptionModel.insertOrReplaceLanguage(caption, t)
         })
         await Promise.all(videoCaptionsPromises)
       }
 
+      {
+        // Create or update existing live
+        if (video.isLive) {
+          const [ videoLive ] = await VideoLiveModel.upsert({
+            saveReplay: videoObject.liveSaveReplay,
+            permanentLive: videoObject.permanentLive,
+            videoId: video.id
+          }, { transaction: t, returning: true })
+
+          videoUpdated.VideoLive = videoLive
+        } else { // Delete existing live if it exists
+          await VideoLiveModel.destroy({
+            where: {
+              videoId: video.id
+            },
+            transaction: t
+          })
+
+          videoUpdated.VideoLive = null
+        }
+      }
+
       return videoUpdated
     })
 
@@ -407,7 +487,13 @@ async function updateVideoFromAP (options: {
       transaction: undefined
     })
 
-    if (wasPrivateVideo || wasUnlistedVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoUpdated) // Notify our users?
+    // Notify our users?
+    if (wasPrivateVideo || wasUnlistedVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoUpdated)
+
+    if (videoUpdated.isLive) {
+      PeerTubeSocket.Instance.sendVideoLiveNewState(videoUpdated)
+      PeerTubeSocket.Instance.sendVideoViewsUpdate(videoUpdated)
+    }
 
     logger.info('Remote video with uuid %s updated', videoObject.uuid)
 
@@ -424,8 +510,8 @@ async function updateVideoFromAP (options: {
 }
 
 async function refreshVideoIfNeeded (options: {
-  video: MVideoThumbnail,
-  fetchedType: VideoFetchByUrlType,
+  video: MVideoThumbnail
+  fetchedType: VideoFetchByUrlType
   syncParam: SyncParam
 }): Promise<MVideoThumbnail> {
   if (!options.video.isOutdated()) return options.video
@@ -436,14 +522,7 @@ async function refreshVideoIfNeeded (options: {
     : await VideoModel.loadByUrlAndPopulateAccount(options.video.url)
 
   try {
-    const { response, videoObject } = await fetchRemoteVideo(video.url)
-    if (response.statusCode === 404) {
-      logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
-
-      // Video does not exist anymore
-      await video.destroy()
-      return undefined
-    }
+    const { videoObject } = await fetchRemoteVideo(video.url)
 
     if (videoObject === undefined) {
       logger.warn('Cannot refresh remote video %s: invalid body.', video.url)
@@ -460,13 +539,21 @@ async function refreshVideoIfNeeded (options: {
       account: channelActor.VideoChannel.Account,
       channel: channelActor.VideoChannel
     }
-    await retryTransactionWrapper(updateVideoFromAP, updateOptions)
+    await updateVideoFromAP(updateOptions)
     await syncVideoExternalAttributes(video, videoObject, options.syncParam)
 
     ActorFollowScoreCache.Instance.addGoodServerId(video.VideoChannel.Actor.serverId)
 
     return video
   } catch (err) {
+    if ((err as PeerTubeRequestError).statusCode === HttpStatusCode.NOT_FOUND_404) {
+      logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
+
+      // Video does not exist anymore
+      await video.destroy()
+      return undefined
+    }
+
     logger.warn('Cannot refresh video %s.', options.video.url, { err })
 
     ActorFollowScoreCache.Instance.addBadServerId(video.VideoChannel.Actor.serverId)
@@ -483,7 +570,6 @@ export {
   federateVideoIfNeeded,
   fetchRemoteVideo,
   getOrCreateVideoAndAccountAndChannel,
-  fetchRemoteVideoStaticFile,
   fetchRemoteVideoDescription,
   getOrCreateVideoChannelFromVideoObject
 }
@@ -491,13 +577,12 @@ export {
 // ---------------------------------------------------------------------------
 
 function isAPVideoUrlObject (url: any): url is ActivityVideoUrlObject {
-  const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
-
   const urlMediaType = url.mediaType
-  return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
+
+  return MIMETYPES.VIDEO.MIMETYPE_EXT[urlMediaType] && urlMediaType.startsWith('video/')
 }
 
-function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
+function isAPStreamingPlaylistUrlObject (url: any): url is ActivityPlaylistUrlObject {
   return url && url.mediaType === 'application/x-mpegURL'
 }
 
@@ -513,13 +598,20 @@ function isAPHashTagObject (url: any): url is ActivityHashTagObject {
   return url && url.type === 'Hashtag'
 }
 
-async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAccountLight, waitThumbnail = false) {
+async function createVideo (videoObject: VideoObject, channel: MChannelAccountLight, waitThumbnail = false) {
   logger.debug('Adding remote video %s.', videoObject.id)
 
   const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, videoObject.to)
   const video = VideoModel.build(videoData) as MVideoThumbnail
 
-  const promiseThumbnail = createVideoMiniatureFromUrl(videoObject.icon.url, video, ThumbnailType.MINIATURE)
+  const promiseThumbnail = createVideoMiniatureFromUrl({
+    downloadUrl: getThumbnailFromIcons(videoObject).url,
+    video,
+    type: ThumbnailType.MINIATURE
+  }).catch(err => {
+    logger.error('Cannot create miniature from url.', { err })
+    return undefined
+  })
 
   let thumbnailModel: MThumbnail
   if (waitThumbnail === true) {
@@ -527,68 +619,110 @@ async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAc
   }
 
   const { autoBlacklisted, videoCreated } = await sequelizeTypescript.transaction(async t => {
-    const sequelizeOptions = { transaction: t }
+    try {
+      const sequelizeOptions = { transaction: t }
 
-    const videoCreated = await video.save(sequelizeOptions) as MVideoFullLight
-    videoCreated.VideoChannel = channel
+      const videoCreated = await video.save(sequelizeOptions) as MVideoFullLight
+      videoCreated.VideoChannel = channel
 
-    if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
+      if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
 
-    // FIXME: use icon URL instead
-    const previewUrl = buildRemoteBaseUrl(videoCreated, join(STATIC_PATHS.PREVIEWS, video.generatePreviewName()))
-    const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
-    if (thumbnailModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
+      const previewIcon = getPreviewFromIcons(videoObject)
+      if (previewIcon) {
+        const previewModel = createPlaceholderThumbnail({
+          fileUrl: previewIcon.url,
+          video: videoCreated,
+          type: ThumbnailType.PREVIEW,
+          size: previewIcon
+        })
 
-    // Process files
-    const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject.url)
+        await videoCreated.addAndSaveThumbnail(previewModel, t)
+      }
 
-    const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
-    const videoFiles = await Promise.all(videoFilePromises)
+      // Process files
+      const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject.url)
 
-    const streamingPlaylistsAttributes = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
-    videoCreated.VideoStreamingPlaylists = []
+      const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
+      const videoFiles = await Promise.all(videoFilePromises)
 
-    for (const playlistAttributes of streamingPlaylistsAttributes) {
-      const playlistModel = await VideoStreamingPlaylistModel.create(playlistAttributes, { transaction: t })
+      const streamingPlaylistsAttributes = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
+      videoCreated.VideoStreamingPlaylists = []
 
-      const playlistFiles = videoFileActivityUrlToDBAttributes(playlistModel, playlistAttributes.tagAPObject)
-      const videoFilePromises = playlistFiles.map(f => VideoFileModel.create(f, { transaction: t }))
-      playlistModel.VideoFiles = await Promise.all(videoFilePromises)
+      for (const playlistAttributes of streamingPlaylistsAttributes) {
+        const playlist = await VideoStreamingPlaylistModel.create(playlistAttributes, { transaction: t }) as MStreamingPlaylistFilesVideo
+        playlist.Video = videoCreated
 
-      videoCreated.VideoStreamingPlaylists.push(playlistModel)
-    }
+        const playlistFiles = videoFileActivityUrlToDBAttributes(playlist, playlistAttributes.tagAPObject)
+        const videoFilePromises = playlistFiles.map(f => VideoFileModel.create(f, { transaction: t }))
+        playlist.VideoFiles = await Promise.all(videoFilePromises)
 
-    // Process tags
-    const tags = videoObject.tag
-                            .filter(isAPHashTagObject)
-                            .map(t => t.name)
-    const tagInstances = await TagModel.findOrCreateTags(tags, t)
-    await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
+        videoCreated.VideoStreamingPlaylists.push(playlist)
+      }
 
-    // Process captions
-    const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
-      return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, t)
-    })
-    await Promise.all(videoCaptionsPromises)
+      // Process tags
+      const tags = videoObject.tag
+                              .filter(isAPHashTagObject)
+                              .map(t => t.name)
+      await setVideoTags({ video: videoCreated, tags, transaction: t })
+
+      // Process captions
+      const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
+        const caption = new VideoCaptionModel({
+          videoId: videoCreated.id,
+          filename: VideoCaptionModel.generateCaptionName(c.identifier),
+          language: c.identifier,
+          fileUrl: c.url
+        }) as MVideoCaption
+
+        return VideoCaptionModel.insertOrReplaceLanguage(caption, t)
+      })
+      await Promise.all(videoCaptionsPromises)
+
+      // Process trackers
+      {
+        const trackers = getTrackerUrls(videoObject, videoCreated)
+        await setVideoTrackers({ video: videoCreated, trackers, transaction: t })
+      }
 
-    videoCreated.VideoFiles = videoFiles
-    videoCreated.Tags = tagInstances
+      videoCreated.VideoFiles = videoFiles
 
-    const autoBlacklisted = await autoBlacklistVideoIfNeeded({
-      video: videoCreated,
-      user: undefined,
-      isRemote: true,
-      isNew: true,
-      transaction: t
-    })
+      if (videoCreated.isLive) {
+        const videoLive = new VideoLiveModel({
+          streamKey: null,
+          saveReplay: videoObject.liveSaveReplay,
+          permanentLive: videoObject.permanentLive,
+          videoId: videoCreated.id
+        })
 
-    logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
+        videoCreated.VideoLive = await videoLive.save({ transaction: t })
+      }
+
+      const autoBlacklisted = await autoBlacklistVideoIfNeeded({
+        video: videoCreated,
+        user: undefined,
+        isRemote: true,
+        isNew: true,
+        transaction: t
+      })
+
+      logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
+
+      return { autoBlacklisted, videoCreated }
+    } catch (err) {
+      // FIXME: Use rollback hook when https://github.com/sequelize/sequelize/pull/13038 is released
+      // Remove thumbnail
+      if (thumbnailModel) await thumbnailModel.removeThumbnail()
 
-    return { autoBlacklisted, videoCreated }
+      throw err
+    }
   })
 
   if (waitThumbnail === false) {
+    // Error is already caught above
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
     promiseThumbnail.then(thumbnailModel => {
+      if (!thumbnailModel) return
+
       thumbnailModel = videoCreated.id
 
       return thumbnailModel.save()
@@ -598,24 +732,21 @@ async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAc
   return { autoBlacklisted, videoCreated }
 }
 
-async function videoActivityObjectToDBAttributes (videoChannel: MChannelId, videoObject: VideoTorrentObject, to: string[] = []) {
-  const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED
+function videoActivityObjectToDBAttributes (videoChannel: MChannelId, videoObject: VideoObject, to: string[] = []) {
+  const privacy = to.includes(ACTIVITY_PUB.PUBLIC)
+    ? VideoPrivacy.PUBLIC
+    : VideoPrivacy.UNLISTED
+
   const duration = videoObject.duration.replace(/[^\d]+/, '')
+  const language = videoObject.language?.identifier
 
-  let language: string | undefined
-  if (videoObject.language) {
-    language = videoObject.language.identifier
-  }
+  const category = videoObject.category
+    ? parseInt(videoObject.category.identifier, 10)
+    : undefined
 
-  let category: number | undefined
-  if (videoObject.category) {
-    category = parseInt(videoObject.category.identifier, 10)
-  }
-
-  let licence: number | undefined
-  if (videoObject.licence) {
-    licence = parseInt(videoObject.licence.identifier, 10)
-  }
+  const licence = videoObject.licence
+    ? parseInt(videoObject.licence.identifier, 10)
+    : undefined
 
   const description = videoObject.content || null
   const support = videoObject.support || null
@@ -633,13 +764,17 @@ async function videoActivityObjectToDBAttributes (videoChannel: MChannelId, vide
     commentsEnabled: videoObject.commentsEnabled,
     downloadEnabled: videoObject.downloadEnabled,
     waitTranscoding: videoObject.waitTranscoding,
+    isLive: videoObject.isLiveBroadcast,
     state: videoObject.state,
     channelId: videoChannel.id,
     duration: parseInt(duration, 10),
     createdAt: new Date(videoObject.published),
     publishedAt: new Date(videoObject.published),
-    originallyPublishedAt: videoObject.originallyPublishedAt ? new Date(videoObject.originallyPublishedAt) : null,
-    // FIXME: updatedAt does not seems to be considered by Sequelize
+
+    originallyPublishedAt: videoObject.originallyPublishedAt
+      ? new Date(videoObject.originallyPublishedAt)
+      : null,
+
     updatedAt: new Date(videoObject.updated),
     views: videoObject.views,
     likes: 0,
@@ -650,7 +785,7 @@ async function videoActivityObjectToDBAttributes (videoChannel: MChannelId, vide
 }
 
 function videoFileActivityUrlToDBAttributes (
-  videoOrPlaylist: MVideo | MStreamingPlaylist,
+  videoOrPlaylist: MVideo | MStreamingPlaylistVideo,
   urls: (ActivityTagObject | ActivityUrlObject)[]
 ) {
   const fileUrls = urls.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
@@ -670,17 +805,42 @@ function videoFileActivityUrlToDBAttributes (
       throw new Error('Cannot parse magnet URI ' + magnet.href)
     }
 
-    const mediaType = fileUrl.mediaType
+    const torrentUrl = Array.isArray(parsed.xs)
+      ? parsed.xs[0]
+      : parsed.xs
+
+    // Fetch associated metadata url, if any
+    const metadata = urls.filter(isAPVideoFileUrlMetadataObject)
+                         .find(u => {
+                           return u.height === fileUrl.height &&
+                             u.fps === fileUrl.fps &&
+                             u.rel.includes(fileUrl.mediaType)
+                         })
+
+    const extname = getExtFromMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT, fileUrl.mediaType)
+    const resolution = fileUrl.height
+    const videoId = (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? null : videoOrPlaylist.id
+    const videoStreamingPlaylistId = (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? videoOrPlaylist.id : null
+
     const attribute = {
-      extname: MIMETYPES.VIDEO.MIMETYPE_EXT[ mediaType ],
+      extname,
       infoHash: parsed.infoHash,
-      resolution: fileUrl.height,
+      resolution,
       size: fileUrl.size,
       fps: fileUrl.fps || -1,
+      metadataUrl: metadata?.href,
+
+      // Use the name of the remote file because we don't proxify video file requests
+      filename: basename(fileUrl.href),
+      fileUrl: fileUrl.href,
+
+      torrentUrl,
+      // Use our own torrent name since we proxify torrent requests
+      torrentFilename: generateTorrentFileName(videoOrPlaylist, resolution),
 
       // This is a video file owned by a video or by a streaming playlist
-      videoId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? null : videoOrPlaylist.id,
-      videoStreamingPlaylistId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? videoOrPlaylist.id : null
+      videoId,
+      videoStreamingPlaylistId
     }
 
     attributes.push(attribute)
@@ -689,7 +849,7 @@ function videoFileActivityUrlToDBAttributes (
   return attributes
 }
 
-function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObject: VideoTorrentObject, videoFiles: MVideoFile[]) {
+function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObject: VideoObject, videoFiles: MVideoFile[]) {
   const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
   if (playlistUrls.length === 0) return []
 
@@ -722,3 +882,47 @@ function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObjec
 
   return attributes
 }
+
+function getThumbnailFromIcons (videoObject: VideoObject) {
+  let validIcons = videoObject.icon.filter(i => i.width > THUMBNAILS_SIZE.minWidth)
+  // Fallback if there are not valid icons
+  if (validIcons.length === 0) validIcons = videoObject.icon
+
+  return minBy(validIcons, 'width')
+}
+
+function getPreviewFromIcons (videoObject: VideoObject) {
+  const validIcons = videoObject.icon.filter(i => i.width > PREVIEWS_SIZE.minWidth)
+
+  return maxBy(validIcons, 'width')
+}
+
+function getTrackerUrls (object: VideoObject, video: MVideoWithHost) {
+  let wsFound = false
+
+  const trackers = object.url.filter(u => isAPVideoTrackerUrlObject(u))
+    .map((u: ActivityTrackerUrlObject) => {
+      if (isArray(u.rel) && u.rel.includes('websocket')) wsFound = true
+
+      return u.href
+    })
+
+  if (wsFound) return trackers
+
+  return [
+    buildRemoteVideoBaseUrl(video, '/tracker/socket', REMOTE_SCHEME.WS),
+    buildRemoteVideoBaseUrl(video, '/tracker/announce')
+  ]
+}
+
+async function setVideoTrackers (options: {
+  video: MVideo
+  trackers: string[]
+  transaction?: Transaction
+}) {
+  const { video, trackers, transaction } = options
+
+  const trackerInstances = await TrackerModel.findOrCreateTrackers(trackers, transaction)
+
+  await video.$set('Trackers', trackerInstances, { transaction })
+}