server/lib/activitypub/videos.ts

   1 import * as Bluebird from 'bluebird'
   2 import * as sequelize from 'sequelize'
   3 import * as magnetUtil from 'magnet-uri'
   4 import * as request from 'request'
   5 import {
   6   ActivityHashTagObject,
   7   ActivityMagnetUrlObject,
   8   ActivityPlaylistSegmentHashesObject,
   9   ActivityPlaylistUrlObject,
  10   ActivityTagObject,
  11   ActivityUrlObject,
  12   ActivityVideoUrlObject,
  13   VideoState
  14 } from '../../../shared/index'
  15 import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
  16 import { VideoPrivacy } from '../../../shared/models/videos'
  17 import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
  18 import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos'
  19 import { deleteNonExistingModels, resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
  20 import { logger } from '../../helpers/logger'
  21 import { doRequest } from '../../helpers/requests'
  22 import {
  23   ACTIVITY_PUB,
  24   MIMETYPES,
  25   P2P_MEDIA_LOADER_PEER_VERSION,
  26   PREVIEWS_SIZE,
  27   REMOTE_SCHEME,
  28   STATIC_PATHS, THUMBNAILS_SIZE
  29 } from '../../initializers/constants'
  30 import { TagModel } from '../../models/video/tag'
  31 import { VideoModel } from '../../models/video/video'
  32 import { VideoFileModel } from '../../models/video/video-file'
  33 import { getOrCreateActorAndServerAndModel } from './actor'
  34 import { addVideoComments } from './video-comments'
  35 import { crawlCollectionPage } from './crawl'
  36 import { sendCreateVideo, sendUpdateVideo } from './send'
  37 import { isArray } from '../../helpers/custom-validators/misc'
  38 import { VideoCaptionModel } from '../../models/video/video-caption'
  39 import { JobQueue } from '../job-queue'
  40 import { ActivitypubHttpFetcherPayload } from '../job-queue/handlers/activitypub-http-fetcher'
  41 import { createRates } from './video-rates'
  42 import { addVideoShares, shareVideoByServerAndChannel } from './share'
  43 import { fetchVideoByUrl, VideoFetchByUrlType } from '../../helpers/video'
  44 import { buildRemoteVideoBaseUrl, checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
  45 import { Notifier } from '../notifier'
  46 import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
  47 import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
  48 import { AccountVideoRateModel } from '../../models/account/account-video-rate'
  49 import { VideoShareModel } from '../../models/video/video-share'
  50 import { VideoCommentModel } from '../../models/video/video-comment'
  51 import { sequelizeTypescript } from '../../initializers/database'
  52 import { createPlaceholderThumbnail, createVideoMiniatureFromUrl } from '../thumbnail'
  53 import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type'
  54 import { join } from 'path'
  55 import { FilteredModelAttributes } from '../../typings/sequelize'
  56 import { autoBlacklistVideoIfNeeded } from '../video-blacklist'
  57 import { ActorFollowScoreCache } from '../files-cache'
  58 import {
  59   MAccountIdActor,
  60   MChannelAccountLight,
  61   MChannelDefault,
  62   MChannelId,
  63   MStreamingPlaylist,
  64   MVideo,
  65   MVideoAccountLight,
  66   MVideoAccountLightBlacklistAllFiles,
  67   MVideoAP,
  68   MVideoAPWithoutCaption,
  69   MVideoFile,
  70   MVideoFullLight,
  71   MVideoId,
  72   MVideoThumbnail
  73 } from '../../typings/models'
  74 import { MThumbnail } from '../../typings/models/video/thumbnail'
  75 import { maxBy, minBy } from 'lodash'
  76
  77 async function federateVideoIfNeeded (videoArg: MVideoAPWithoutCaption, isNewVideo: boolean, transaction?: sequelize.Transaction) {
  78   const video = videoArg as MVideoAP
  79
  80   if (
  81     // Check this is not a blacklisted video, or unfederated blacklisted video
  82     (video.isBlacklisted() === false || (isNewVideo === false && video.VideoBlacklist.unfederated === false)) &&
  83     // Check the video is public/unlisted and published
  84     video.hasPrivacyForFederation() && video.state === VideoState.PUBLISHED
  85   ) {
  86     // Fetch more attributes that we will need to serialize in AP object
  87     if (isArray(video.VideoCaptions) === false) {
  88       video.VideoCaptions = await video.$get('VideoCaptions', {
  89         attributes: [ 'language' ],
  90         transaction
  91       })
  92     }
  93
  94     if (isNewVideo) {
  95       // Now we'll add the video's meta data to our followers
  96       await sendCreateVideo(video, transaction)
  97       await shareVideoByServerAndChannel(video, transaction)
  98     } else {
  99       await sendUpdateVideo(video, transaction)
 100     }
 101   }
 102 }
 103
 104 async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoTorrentObject }> {
 105   const options = {
 106     uri: videoUrl,
 107     method: 'GET',
 108     json: true,
 109     activityPub: true
 110   }
 111
 112   logger.info('Fetching remote video %s.', videoUrl)
 113
 114   const { response, body } = await doRequest(options)
 115
 116   if (sanitizeAndCheckVideoTorrentObject(body) === false || checkUrlsSameHost(body.id, videoUrl) !== true) {
 117     logger.debug('Remote video JSON is not valid.', { body })
 118     return { response, videoObject: undefined }
 119   }
 120
 121   return { response, videoObject: body }
 122 }
 123
 124 async function fetchRemoteVideoDescription (video: MVideoAccountLight) {
 125   const host = video.VideoChannel.Account.Actor.Server.host
 126   const path = video.getDescriptionAPIPath()
 127   const options = {
 128     uri: REMOTE_SCHEME.HTTP + '://' + host + path,
 129     json: true
 130   }
 131
 132   const { body } = await doRequest(options)
 133   return body.description ? body.description : ''
 134 }
 135
 136 function getOrCreateVideoChannelFromVideoObject (videoObject: VideoTorrentObject) {
 137   const channel = videoObject.attributedTo.find(a => a.type === 'Group')
 138   if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
 139
 140   if (checkUrlsSameHost(channel.id, videoObject.id) !== true) {
 141     throw new Error(`Video channel url ${channel.id} does not have the same host than video object id ${videoObject.id}`)
 142   }
 143
 144   return getOrCreateActorAndServerAndModel(channel.id, 'all')
 145 }
 146
 147 type SyncParam = {
 148   likes: boolean
 149   dislikes: boolean
 150   shares: boolean
 151   comments: boolean
 152   thumbnail: boolean
 153   refreshVideo?: boolean
 154 }
 155 async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoTorrentObject, syncParam: SyncParam) {
 156   logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid)
 157
 158   const jobPayloads: ActivitypubHttpFetcherPayload[] = []
 159
 160   if (syncParam.likes === true) {
 161     const handler = items => createRates(items, video, 'like')
 162     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'like' as 'like', crawlStartDate)
 163
 164     await crawlCollectionPage<string>(fetchedVideo.likes, handler, cleaner)
 165       .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.likes }))
 166   } else {
 167     jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' })
 168   }
 169
 170   if (syncParam.dislikes === true) {
 171     const handler = items => createRates(items, video, 'dislike')
 172     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'dislike' as 'dislike', crawlStartDate)
 173
 174     await crawlCollectionPage<string>(fetchedVideo.dislikes, handler, cleaner)
 175       .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.dislikes }))
 176   } else {
 177     jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' })
 178   }
 179
 180   if (syncParam.shares === true) {
 181     const handler = items => addVideoShares(items, video)
 182     const cleaner = crawlStartDate => VideoShareModel.cleanOldSharesOf(video.id, crawlStartDate)
 183
 184     await crawlCollectionPage<string>(fetchedVideo.shares, handler, cleaner)
 185       .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err, rootUrl: fetchedVideo.shares }))
 186   } else {
 187     jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
 188   }
 189
 190   if (syncParam.comments === true) {
 191     const handler = items => addVideoComments(items)
 192     const cleaner = crawlStartDate => VideoCommentModel.cleanOldCommentsOf(video.id, crawlStartDate)
 193
 194     await crawlCollectionPage<string>(fetchedVideo.comments, handler, cleaner)
 195       .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err, rootUrl: fetchedVideo.comments }))
 196   } else {
 197     jobPayloads.push({ uri: fetchedVideo.comments, videoId: video.id, type: 'video-comments' as 'video-comments' })
 198   }
 199
 200   await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload }))
 201 }
 202
 203 function getOrCreateVideoAndAccountAndChannel (options: {
 204   videoObject: { id: string } | string
 205   syncParam?: SyncParam
 206   fetchType?: 'all'
 207   allowRefresh?: boolean
 208 }): Promise<{ video: MVideoAccountLightBlacklistAllFiles, created: boolean, autoBlacklisted?: boolean }>
 209 function getOrCreateVideoAndAccountAndChannel (options: {
 210   videoObject: { id: string } | string
 211   syncParam?: SyncParam
 212   fetchType?: VideoFetchByUrlType
 213   allowRefresh?: boolean
 214 }): Promise<{ video: MVideoAccountLightBlacklistAllFiles | MVideoThumbnail, created: boolean, autoBlacklisted?: boolean }>
 215 async function getOrCreateVideoAndAccountAndChannel (options: {
 216   videoObject: { id: string } | string
 217   syncParam?: SyncParam
 218   fetchType?: VideoFetchByUrlType
 219   allowRefresh?: boolean // true by default
 220 }): Promise<{ video: MVideoAccountLightBlacklistAllFiles | MVideoThumbnail, created: boolean, autoBlacklisted?: boolean }> {
 221   // Default params
 222   const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false }
 223   const fetchType = options.fetchType || 'all'
 224   const allowRefresh = options.allowRefresh !== false
 225
 226   // Get video url
 227   const videoUrl = getAPId(options.videoObject)
 228
 229   let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
 230   if (videoFromDatabase) {
 231     if (videoFromDatabase.isOutdated() && allowRefresh === true) {
 232       const refreshOptions = {
 233         video: videoFromDatabase,
 234         fetchedType: fetchType,
 235         syncParam
 236       }
 237
 238       if (syncParam.refreshVideo === true) {
 239         videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
 240       } else {
 241         await JobQueue.Instance.createJobWithPromise({
 242           type: 'activitypub-refresher',
 243           payload: { type: 'video', url: videoFromDatabase.url }
 244         })
 245       }
 246     }
 247
 248     return { video: videoFromDatabase, created: false }
 249   }
 250
 251   const { videoObject: fetchedVideo } = await fetchRemoteVideo(videoUrl)
 252   if (!fetchedVideo) throw new Error('Cannot fetch remote video with url: ' + videoUrl)
 253
 254   const actor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo)
 255   const videoChannel = actor.VideoChannel
 256   const { autoBlacklisted, videoCreated } = await retryTransactionWrapper(createVideo, fetchedVideo, videoChannel, syncParam.thumbnail)
 257
 258   await syncVideoExternalAttributes(videoCreated, fetchedVideo, syncParam)
 259
 260   return { video: videoCreated, created: true, autoBlacklisted }
 261 }
 262
 263 async function updateVideoFromAP (options: {
 264   video: MVideoAccountLightBlacklistAllFiles
 265   videoObject: VideoTorrentObject
 266   account: MAccountIdActor
 267   channel: MChannelDefault
 268   overrideTo?: string[]
 269 }) {
 270   const { video, videoObject, account, channel, overrideTo } = options
 271
 272   logger.debug('Updating remote video "%s".', options.videoObject.uuid, { account, channel })
 273
 274   let videoFieldsSave: any
 275   const wasPrivateVideo = video.privacy === VideoPrivacy.PRIVATE
 276   const wasUnlistedVideo = video.privacy === VideoPrivacy.UNLISTED
 277
 278   try {
 279     let thumbnailModel: MThumbnail
 280
 281     try {
 282       thumbnailModel = await createVideoMiniatureFromUrl(getThumbnailFromIcons(videoObject).url, video, ThumbnailType.MINIATURE)
 283     } catch (err) {
 284       logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })
 285     }
 286
 287     const videoUpdated = await sequelizeTypescript.transaction(async t => {
 288       const sequelizeOptions = { transaction: t }
 289
 290       videoFieldsSave = video.toJSON()
 291
 292       // Check actor has the right to update the video
 293       const videoChannel = video.VideoChannel
 294       if (videoChannel.Account.id !== account.id) {
 295         throw new Error('Account ' + account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url)
 296       }
 297
 298       const to = overrideTo || videoObject.to
 299       const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, to)
 300       video.name = videoData.name
 301       video.uuid = videoData.uuid
 302       video.url = videoData.url
 303       video.category = videoData.category
 304       video.licence = videoData.licence
 305       video.language = videoData.language
 306       video.description = videoData.description
 307       video.support = videoData.support
 308       video.nsfw = videoData.nsfw
 309       video.commentsEnabled = videoData.commentsEnabled
 310       video.downloadEnabled = videoData.downloadEnabled
 311       video.waitTranscoding = videoData.waitTranscoding
 312       video.state = videoData.state
 313       video.duration = videoData.duration
 314       video.createdAt = videoData.createdAt
 315       video.publishedAt = videoData.publishedAt
 316       video.originallyPublishedAt = videoData.originallyPublishedAt
 317       video.privacy = videoData.privacy
 318       video.channelId = videoData.channelId
 319       video.views = videoData.views
 320
 321       const videoUpdated = await video.save(sequelizeOptions) as MVideoFullLight
 322
 323       if (thumbnailModel) await videoUpdated.addAndSaveThumbnail(thumbnailModel, t)
 324
 325       const previewUrl = videoUpdated.getPreview().getFileUrl(videoUpdated)
 326       const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
 327       await videoUpdated.addAndSaveThumbnail(previewModel, t)
 328
 329       {
 330         const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoUpdated, videoObject.url)
 331         const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a))
 332
 333         // Remove video files that do not exist anymore
 334         const destroyTasks = deleteNonExistingModels(videoUpdated.VideoFiles, newVideoFiles, t)
 335         await Promise.all(destroyTasks)
 336
 337         // Update or add other one
 338         const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'video', t))
 339         videoUpdated.VideoFiles = await Promise.all(upsertTasks)
 340       }
 341
 342       {
 343         const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes(videoUpdated, videoObject, videoUpdated.VideoFiles)
 344         const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a))
 345
 346         // Remove video playlists that do not exist anymore
 347         const destroyTasks = deleteNonExistingModels(videoUpdated.VideoStreamingPlaylists, newStreamingPlaylists, t)
 348         await Promise.all(destroyTasks)
 349
 350         let oldStreamingPlaylistFiles: MVideoFile[] = []
 351         for (const videoStreamingPlaylist of videoUpdated.VideoStreamingPlaylists) {
 352           oldStreamingPlaylistFiles = oldStreamingPlaylistFiles.concat(videoStreamingPlaylist.VideoFiles)
 353         }
 354
 355         videoUpdated.VideoStreamingPlaylists = []
 356
 357         for (const playlistAttributes of streamingPlaylistAttributes) {
 358           const streamingPlaylistModel = await VideoStreamingPlaylistModel.upsert(playlistAttributes, { returning: true, transaction: t })
 359                                      .then(([ streamingPlaylist ]) => streamingPlaylist)
 360
 361           const newVideoFiles: MVideoFile[] = videoFileActivityUrlToDBAttributes(streamingPlaylistModel, playlistAttributes.tagAPObject)
 362             .map(a => new VideoFileModel(a))
 363           const destroyTasks = deleteNonExistingModels(oldStreamingPlaylistFiles, newVideoFiles, t)
 364           await Promise.all(destroyTasks)
 365
 366           // Update or add other one
 367           const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'streaming-playlist', t))
 368           streamingPlaylistModel.VideoFiles = await Promise.all(upsertTasks)
 369
 370           videoUpdated.VideoStreamingPlaylists.push(streamingPlaylistModel)
 371         }
 372       }
 373
 374       {
 375         // Update Tags
 376         const tags = videoObject.tag
 377                                 .filter(isAPHashTagObject)
 378                                 .map(tag => tag.name)
 379         const tagInstances = await TagModel.findOrCreateTags(tags, t)
 380         await videoUpdated.$set('Tags', tagInstances, sequelizeOptions)
 381       }
 382
 383       {
 384         // Update captions
 385         await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(videoUpdated.id, t)
 386
 387         const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
 388           return VideoCaptionModel.insertOrReplaceLanguage(videoUpdated.id, c.identifier, c.url, t)
 389         })
 390         await Promise.all(videoCaptionsPromises)
 391       }
 392
 393       return videoUpdated
 394     })
 395
 396     await autoBlacklistVideoIfNeeded({
 397       video: videoUpdated,
 398       user: undefined,
 399       isRemote: true,
 400       isNew: false,
 401       transaction: undefined
 402     })
 403
 404     if (wasPrivateVideo || wasUnlistedVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoUpdated) // Notify our users?
 405
 406     logger.info('Remote video with uuid %s updated', videoObject.uuid)
 407
 408     return videoUpdated
 409   } catch (err) {
 410     if (video !== undefined && videoFieldsSave !== undefined) {
 411       resetSequelizeInstance(video, videoFieldsSave)
 412     }
 413
 414     // This is just a debug because we will retry the insert
 415     logger.debug('Cannot update the remote video.', { err })
 416     throw err
 417   }
 418 }
 419
 420 async function refreshVideoIfNeeded (options: {
 421   video: MVideoThumbnail
 422   fetchedType: VideoFetchByUrlType
 423   syncParam: SyncParam
 424 }): Promise<MVideoThumbnail> {
 425   if (!options.video.isOutdated()) return options.video
 426
 427   // We need more attributes if the argument video was fetched with not enough joints
 428   const video = options.fetchedType === 'all'
 429     ? options.video as MVideoAccountLightBlacklistAllFiles
 430     : await VideoModel.loadByUrlAndPopulateAccount(options.video.url)
 431
 432   try {
 433     const { response, videoObject } = await fetchRemoteVideo(video.url)
 434     if (response.statusCode === 404) {
 435       logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
 436
 437       // Video does not exist anymore
 438       await video.destroy()
 439       return undefined
 440     }
 441
 442     if (videoObject === undefined) {
 443       logger.warn('Cannot refresh remote video %s: invalid body.', video.url)
 444
 445       await video.setAsRefreshed()
 446       return video
 447     }
 448
 449     const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject)
 450
 451     const updateOptions = {
 452       video,
 453       videoObject,
 454       account: channelActor.VideoChannel.Account,
 455       channel: channelActor.VideoChannel
 456     }
 457     await retryTransactionWrapper(updateVideoFromAP, updateOptions)
 458     await syncVideoExternalAttributes(video, videoObject, options.syncParam)
 459
 460     ActorFollowScoreCache.Instance.addGoodServerId(video.VideoChannel.Actor.serverId)
 461
 462     return video
 463   } catch (err) {
 464     logger.warn('Cannot refresh video %s.', options.video.url, { err })
 465
 466     ActorFollowScoreCache.Instance.addBadServerId(video.VideoChannel.Actor.serverId)
 467
 468     // Don't refresh in loop
 469     await video.setAsRefreshed()
 470     return video
 471   }
 472 }
 473
 474 export {
 475   updateVideoFromAP,
 476   refreshVideoIfNeeded,
 477   federateVideoIfNeeded,
 478   fetchRemoteVideo,
 479   getOrCreateVideoAndAccountAndChannel,
 480   fetchRemoteVideoDescription,
 481   getOrCreateVideoChannelFromVideoObject
 482 }
 483
 484 // ---------------------------------------------------------------------------
 485
 486 function isAPVideoUrlObject (url: any): url is ActivityVideoUrlObject {
 487   const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
 488
 489   const urlMediaType = url.mediaType
 490   return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
 491 }
 492
 493 function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
 494   return url && url.mediaType === 'application/x-mpegURL'
 495 }
 496
 497 function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
 498   return tag && tag.name === 'sha256' && tag.type === 'Link' && tag.mediaType === 'application/json'
 499 }
 500
 501 function isAPMagnetUrlObject (url: any): url is ActivityMagnetUrlObject {
 502   return url && url.mediaType === 'application/x-bittorrent;x-scheme-handler/magnet'
 503 }
 504
 505 function isAPHashTagObject (url: any): url is ActivityHashTagObject {
 506   return url && url.type === 'Hashtag'
 507 }
 508
 509 async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAccountLight, waitThumbnail = false) {
 510   logger.debug('Adding remote video %s.', videoObject.id)
 511
 512   const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, videoObject.to)
 513   const video = VideoModel.build(videoData) as MVideoThumbnail
 514
 515   const promiseThumbnail = createVideoMiniatureFromUrl(getThumbnailFromIcons(videoObject).url, video, ThumbnailType.MINIATURE)
 516
 517   let thumbnailModel: MThumbnail
 518   if (waitThumbnail === true) {
 519     thumbnailModel = await promiseThumbnail
 520   }
 521
 522   const { autoBlacklisted, videoCreated } = await sequelizeTypescript.transaction(async t => {
 523     const sequelizeOptions = { transaction: t }
 524
 525     const videoCreated = await video.save(sequelizeOptions) as MVideoFullLight
 526     videoCreated.VideoChannel = channel
 527
 528     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
 529
 530     const previewIcon = getPreviewFromIcons(videoObject)
 531     const previewUrl = previewIcon
 532       ? previewIcon.url
 533       : buildRemoteVideoBaseUrl(videoCreated, join(STATIC_PATHS.PREVIEWS, video.generatePreviewName()))
 534     const previewModel = createPlaceholderThumbnail(previewUrl, videoCreated, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
 535
 536     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
 537
 538     // Process files
 539     const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject.url)
 540
 541     const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
 542     const videoFiles = await Promise.all(videoFilePromises)
 543
 544     const streamingPlaylistsAttributes = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
 545     videoCreated.VideoStreamingPlaylists = []
 546
 547     for (const playlistAttributes of streamingPlaylistsAttributes) {
 548       const playlistModel = await VideoStreamingPlaylistModel.create(playlistAttributes, { transaction: t })
 549
 550       const playlistFiles = videoFileActivityUrlToDBAttributes(playlistModel, playlistAttributes.tagAPObject)
 551       const videoFilePromises = playlistFiles.map(f => VideoFileModel.create(f, { transaction: t }))
 552       playlistModel.VideoFiles = await Promise.all(videoFilePromises)
 553
 554       videoCreated.VideoStreamingPlaylists.push(playlistModel)
 555     }
 556
 557     // Process tags
 558     const tags = videoObject.tag
 559                             .filter(isAPHashTagObject)
 560                             .map(t => t.name)
 561     const tagInstances = await TagModel.findOrCreateTags(tags, t)
 562     await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
 563
 564     // Process captions
 565     const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
 566       return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, c.url, t)
 567     })
 568     await Promise.all(videoCaptionsPromises)
 569
 570     videoCreated.VideoFiles = videoFiles
 571     videoCreated.Tags = tagInstances
 572
 573     const autoBlacklisted = await autoBlacklistVideoIfNeeded({
 574       video: videoCreated,
 575       user: undefined,
 576       isRemote: true,
 577       isNew: true,
 578       transaction: t
 579     })
 580
 581     logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
 582
 583     return { autoBlacklisted, videoCreated }
 584   })
 585
 586   if (waitThumbnail === false) {
 587     promiseThumbnail.then(thumbnailModel => {
 588       thumbnailModel = videoCreated.id
 589
 590       return thumbnailModel.save()
 591     }).catch(err => logger.error('Cannot create miniature from url.', { err }))
 592   }
 593
 594   return { autoBlacklisted, videoCreated }
 595 }
 596
 597 function videoActivityObjectToDBAttributes (videoChannel: MChannelId, videoObject: VideoTorrentObject, to: string[] = []) {
 598   const privacy = to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1 ? VideoPrivacy.PUBLIC : VideoPrivacy.UNLISTED
 599   const duration = videoObject.duration.replace(/[^\d]+/, '')
 600
 601   let language: string | undefined
 602   if (videoObject.language) {
 603     language = videoObject.language.identifier
 604   }
 605
 606   let category: number | undefined
 607   if (videoObject.category) {
 608     category = parseInt(videoObject.category.identifier, 10)
 609   }
 610
 611   let licence: number | undefined
 612   if (videoObject.licence) {
 613     licence = parseInt(videoObject.licence.identifier, 10)
 614   }
 615
 616   const description = videoObject.content || null
 617   const support = videoObject.support || null
 618
 619   return {
 620     name: videoObject.name,
 621     uuid: videoObject.uuid,
 622     url: videoObject.id,
 623     category,
 624     licence,
 625     language,
 626     description,
 627     support,
 628     nsfw: videoObject.sensitive,
 629     commentsEnabled: videoObject.commentsEnabled,
 630     downloadEnabled: videoObject.downloadEnabled,
 631     waitTranscoding: videoObject.waitTranscoding,
 632     state: videoObject.state,
 633     channelId: videoChannel.id,
 634     duration: parseInt(duration, 10),
 635     createdAt: new Date(videoObject.published),
 636     publishedAt: new Date(videoObject.published),
 637     originallyPublishedAt: videoObject.originallyPublishedAt ? new Date(videoObject.originallyPublishedAt) : null,
 638     updatedAt: new Date(videoObject.updated),
 639     views: videoObject.views,
 640     likes: 0,
 641     dislikes: 0,
 642     remote: true,
 643     privacy
 644   }
 645 }
 646
 647 function videoFileActivityUrlToDBAttributes (
 648   videoOrPlaylist: MVideo | MStreamingPlaylist,
 649   urls: (ActivityTagObject | ActivityUrlObject)[]
 650 ) {
 651   const fileUrls = urls.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 652
 653   if (fileUrls.length === 0) return []
 654
 655   const attributes: FilteredModelAttributes<VideoFileModel>[] = []
 656   for (const fileUrl of fileUrls) {
 657     // Fetch associated magnet uri
 658     const magnet = urls.filter(isAPMagnetUrlObject)
 659                        .find(u => u.height === fileUrl.height)
 660
 661     if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
 662
 663     const parsed = magnetUtil.decode(magnet.href)
 664     if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) {
 665       throw new Error('Cannot parse magnet URI ' + magnet.href)
 666     }
 667
 668     const mediaType = fileUrl.mediaType
 669     const attribute = {
 670       extname: MIMETYPES.VIDEO.MIMETYPE_EXT[mediaType],
 671       infoHash: parsed.infoHash,
 672       resolution: fileUrl.height,
 673       size: fileUrl.size,
 674       fps: fileUrl.fps || -1,
 675
 676       // This is a video file owned by a video or by a streaming playlist
 677       videoId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? null : videoOrPlaylist.id,
 678       videoStreamingPlaylistId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? videoOrPlaylist.id : null
 679     }
 680
 681     attributes.push(attribute)
 682   }
 683
 684   return attributes
 685 }
 686
 687 function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObject: VideoTorrentObject, videoFiles: MVideoFile[]) {
 688   const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
 689   if (playlistUrls.length === 0) return []
 690
 691   const attributes: (FilteredModelAttributes<VideoStreamingPlaylistModel> & { tagAPObject?: ActivityTagObject[] })[] = []
 692   for (const playlistUrlObject of playlistUrls) {
 693     const segmentsSha256UrlObject = playlistUrlObject.tag.find(isAPPlaylistSegmentHashesUrlObject)
 694
 695     let files: unknown[] = playlistUrlObject.tag.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 696
 697     // FIXME: backward compatibility introduced in v2.1.0
 698     if (files.length === 0) files = videoFiles
 699
 700     if (!segmentsSha256UrlObject) {
 701       logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject })
 702       continue
 703     }
 704
 705     const attribute = {
 706       type: VideoStreamingPlaylistType.HLS,
 707       playlistUrl: playlistUrlObject.href,
 708       segmentsSha256Url: segmentsSha256UrlObject.href,
 709       p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, files),
 710       p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
 711       videoId: video.id,
 712       tagAPObject: playlistUrlObject.tag
 713     }
 714
 715     attributes.push(attribute)
 716   }
 717
 718   return attributes
 719 }
 720
 721 function getThumbnailFromIcons (videoObject: VideoTorrentObject) {
 722   let validIcons = videoObject.icon.filter(i => i.width > THUMBNAILS_SIZE.minWidth)
 723   // Fallback if there are not valid icons
 724   if (validIcons.length === 0) validIcons = videoObject.icon
 725
 726   return minBy(validIcons, 'width')
 727 }
 728
 729 function getPreviewFromIcons (videoObject: VideoTorrentObject) {
 730   const validIcons = videoObject.icon.filter(i => i.width > PREVIEWS_SIZE.minWidth)
 731
 732   // FIXME: don't put a fallback here for compatibility with PeerTube <2.2
 733
 734   return maxBy(validIcons, 'width')
 735 }