server/lib/activitypub/videos.ts

   1 import { VideoLiveModel } from '@server/models/video/video-live'
   2 import * as Bluebird from 'bluebird'
   3 import { maxBy, minBy } from 'lodash'
   4 import * as magnetUtil from 'magnet-uri'
   5 import { join } from 'path'
   6 import * as request from 'request'
   7 import * as sequelize from 'sequelize'
   8 import {
   9   ActivityHashTagObject,
  10   ActivityMagnetUrlObject,
  11   ActivityPlaylistSegmentHashesObject,
  12   ActivityPlaylistUrlObject,
  13   ActivitypubHttpFetcherPayload,
  14   ActivityTagObject,
  15   ActivityUrlObject,
  16   ActivityVideoUrlObject,
  17   VideoState
  18 } from '../../../shared/index'
  19 import { VideoObject } from '../../../shared/models/activitypub/objects'
  20 import { VideoPrivacy } from '../../../shared/models/videos'
  21 import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type'
  22 import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
  23 import { buildRemoteVideoBaseUrl, checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
  24 import { isAPVideoFileMetadataObject, sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
  25 import { isArray } from '../../helpers/custom-validators/misc'
  26 import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos'
  27 import { deleteNonExistingModels, resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
  28 import { logger } from '../../helpers/logger'
  29 import { doRequest } from '../../helpers/requests'
  30 import { fetchVideoByUrl, getExtFromMimetype, VideoFetchByUrlType } from '../../helpers/video'
  31 import {
  32   ACTIVITY_PUB,
  33   MIMETYPES,
  34   P2P_MEDIA_LOADER_PEER_VERSION,
  35   PREVIEWS_SIZE,
  36   REMOTE_SCHEME,
  37   STATIC_PATHS,
  38   THUMBNAILS_SIZE
  39 } from '../../initializers/constants'
  40 import { sequelizeTypescript } from '../../initializers/database'
  41 import { AccountVideoRateModel } from '../../models/account/account-video-rate'
  42 import { VideoModel } from '../../models/video/video'
  43 import { VideoCaptionModel } from '../../models/video/video-caption'
  44 import { VideoCommentModel } from '../../models/video/video-comment'
  45 import { VideoFileModel } from '../../models/video/video-file'
  46 import { VideoShareModel } from '../../models/video/video-share'
  47 import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
  48 import {
  49   MAccountIdActor,
  50   MChannelAccountLight,
  51   MChannelDefault,
  52   MChannelId,
  53   MStreamingPlaylist,
  54   MVideo,
  55   MVideoAccountLight,
  56   MVideoAccountLightBlacklistAllFiles,
  57   MVideoAP,
  58   MVideoAPWithoutCaption,
  59   MVideoFile,
  60   MVideoFullLight,
  61   MVideoId,
  62   MVideoImmutable,
  63   MVideoThumbnail
  64 } from '../../types/models'
  65 import { MThumbnail } from '../../types/models/video/thumbnail'
  66 import { FilteredModelAttributes } from '../../types/sequelize'
  67 import { ActorFollowScoreCache } from '../files-cache'
  68 import { JobQueue } from '../job-queue'
  69 import { Notifier } from '../notifier'
  70 import { PeerTubeSocket } from '../peertube-socket'
  71 import { createPlaceholderThumbnail, createVideoMiniatureFromUrl } from '../thumbnail'
  72 import { setVideoTags } from '../video'
  73 import { autoBlacklistVideoIfNeeded } from '../video-blacklist'
  74 import { getOrCreateActorAndServerAndModel } from './actor'
  75 import { crawlCollectionPage } from './crawl'
  76 import { sendCreateVideo, sendUpdateVideo } from './send'
  77 import { addVideoShares, shareVideoByServerAndChannel } from './share'
  78 import { addVideoComments } from './video-comments'
  79 import { createRates } from './video-rates'
  80
  81 async function federateVideoIfNeeded (videoArg: MVideoAPWithoutCaption, isNewVideo: boolean, transaction?: sequelize.Transaction) {
  82   const video = videoArg as MVideoAP
  83
  84   if (
  85     // Check this is not a blacklisted video, or unfederated blacklisted video
  86     (video.isBlacklisted() === false || (isNewVideo === false && video.VideoBlacklist.unfederated === false)) &&
  87     // Check the video is public/unlisted and published
  88     video.hasPrivacyForFederation() && (video.state === VideoState.PUBLISHED || video.state === VideoState.WAITING_FOR_LIVE)
  89   ) {
  90     // Fetch more attributes that we will need to serialize in AP object
  91     if (isArray(video.VideoCaptions) === false) {
  92       video.VideoCaptions = await video.$get('VideoCaptions', {
  93         attributes: [ 'language' ],
  94         transaction
  95       })
  96     }
  97
  98     if (isNewVideo) {
  99       // Now we'll add the video's meta data to our followers
 100       await sendCreateVideo(video, transaction)
 101       await shareVideoByServerAndChannel(video, transaction)
 102     } else {
 103       await sendUpdateVideo(video, transaction)
 104     }
 105   }
 106 }
 107
 108 async function fetchRemoteVideo (videoUrl: string): Promise<{ response: request.RequestResponse, videoObject: VideoObject }> {
 109   const options = {
 110     uri: videoUrl,
 111     method: 'GET',
 112     json: true,
 113     activityPub: true
 114   }
 115
 116   logger.info('Fetching remote video %s.', videoUrl)
 117
 118   const { response, body } = await doRequest<any>(options)
 119
 120   if (sanitizeAndCheckVideoTorrentObject(body) === false || checkUrlsSameHost(body.id, videoUrl) !== true) {
 121     logger.debug('Remote video JSON is not valid.', { body })
 122     return { response, videoObject: undefined }
 123   }
 124
 125   return { response, videoObject: body }
 126 }
 127
 128 async function fetchRemoteVideoDescription (video: MVideoAccountLight) {
 129   const host = video.VideoChannel.Account.Actor.Server.host
 130   const path = video.getDescriptionAPIPath()
 131   const options = {
 132     uri: REMOTE_SCHEME.HTTP + '://' + host + path,
 133     json: true
 134   }
 135
 136   const { body } = await doRequest<any>(options)
 137   return body.description ? body.description : ''
 138 }
 139
 140 function getOrCreateVideoChannelFromVideoObject (videoObject: VideoObject) {
 141   const channel = videoObject.attributedTo.find(a => a.type === 'Group')
 142   if (!channel) throw new Error('Cannot find associated video channel to video ' + videoObject.url)
 143
 144   if (checkUrlsSameHost(channel.id, videoObject.id) !== true) {
 145     throw new Error(`Video channel url ${channel.id} does not have the same host than video object id ${videoObject.id}`)
 146   }
 147
 148   return getOrCreateActorAndServerAndModel(channel.id, 'all')
 149 }
 150
 151 type SyncParam = {
 152   likes: boolean
 153   dislikes: boolean
 154   shares: boolean
 155   comments: boolean
 156   thumbnail: boolean
 157   refreshVideo?: boolean
 158 }
 159 async function syncVideoExternalAttributes (video: MVideo, fetchedVideo: VideoObject, syncParam: SyncParam) {
 160   logger.info('Adding likes/dislikes/shares/comments of video %s.', video.uuid)
 161
 162   const jobPayloads: ActivitypubHttpFetcherPayload[] = []
 163
 164   if (syncParam.likes === true) {
 165     const handler = items => createRates(items, video, 'like')
 166     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'like' as 'like', crawlStartDate)
 167
 168     await crawlCollectionPage<string>(fetchedVideo.likes, handler, cleaner)
 169       .catch(err => logger.error('Cannot add likes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.likes }))
 170   } else {
 171     jobPayloads.push({ uri: fetchedVideo.likes, videoId: video.id, type: 'video-likes' as 'video-likes' })
 172   }
 173
 174   if (syncParam.dislikes === true) {
 175     const handler = items => createRates(items, video, 'dislike')
 176     const cleaner = crawlStartDate => AccountVideoRateModel.cleanOldRatesOf(video.id, 'dislike' as 'dislike', crawlStartDate)
 177
 178     await crawlCollectionPage<string>(fetchedVideo.dislikes, handler, cleaner)
 179       .catch(err => logger.error('Cannot add dislikes of video %s.', video.uuid, { err, rootUrl: fetchedVideo.dislikes }))
 180   } else {
 181     jobPayloads.push({ uri: fetchedVideo.dislikes, videoId: video.id, type: 'video-dislikes' as 'video-dislikes' })
 182   }
 183
 184   if (syncParam.shares === true) {
 185     const handler = items => addVideoShares(items, video)
 186     const cleaner = crawlStartDate => VideoShareModel.cleanOldSharesOf(video.id, crawlStartDate)
 187
 188     await crawlCollectionPage<string>(fetchedVideo.shares, handler, cleaner)
 189       .catch(err => logger.error('Cannot add shares of video %s.', video.uuid, { err, rootUrl: fetchedVideo.shares }))
 190   } else {
 191     jobPayloads.push({ uri: fetchedVideo.shares, videoId: video.id, type: 'video-shares' as 'video-shares' })
 192   }
 193
 194   if (syncParam.comments === true) {
 195     const handler = items => addVideoComments(items)
 196     const cleaner = crawlStartDate => VideoCommentModel.cleanOldCommentsOf(video.id, crawlStartDate)
 197
 198     await crawlCollectionPage<string>(fetchedVideo.comments, handler, cleaner)
 199       .catch(err => logger.error('Cannot add comments of video %s.', video.uuid, { err, rootUrl: fetchedVideo.comments }))
 200   } else {
 201     jobPayloads.push({ uri: fetchedVideo.comments, videoId: video.id, type: 'video-comments' as 'video-comments' })
 202   }
 203
 204   await Bluebird.map(jobPayloads, payload => JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload }))
 205 }
 206
 207 type GetVideoResult <T> = Promise<{
 208   video: T
 209   created: boolean
 210   autoBlacklisted?: boolean
 211 }>
 212
 213 type GetVideoParamAll = {
 214   videoObject: { id: string } | string
 215   syncParam?: SyncParam
 216   fetchType?: 'all'
 217   allowRefresh?: boolean
 218 }
 219
 220 type GetVideoParamImmutable = {
 221   videoObject: { id: string } | string
 222   syncParam?: SyncParam
 223   fetchType: 'only-immutable-attributes'
 224   allowRefresh: false
 225 }
 226
 227 type GetVideoParamOther = {
 228   videoObject: { id: string } | string
 229   syncParam?: SyncParam
 230   fetchType?: 'all' | 'only-video'
 231   allowRefresh?: boolean
 232 }
 233
 234 function getOrCreateVideoAndAccountAndChannel (options: GetVideoParamAll): GetVideoResult<MVideoAccountLightBlacklistAllFiles>
 235 function getOrCreateVideoAndAccountAndChannel (options: GetVideoParamImmutable): GetVideoResult<MVideoImmutable>
 236 function getOrCreateVideoAndAccountAndChannel (
 237   options: GetVideoParamOther
 238 ): GetVideoResult<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail>
 239 async function getOrCreateVideoAndAccountAndChannel (
 240   options: GetVideoParamAll | GetVideoParamImmutable | GetVideoParamOther
 241 ): GetVideoResult<MVideoAccountLightBlacklistAllFiles | MVideoThumbnail | MVideoImmutable> {
 242   // Default params
 243   const syncParam = options.syncParam || { likes: true, dislikes: true, shares: true, comments: true, thumbnail: true, refreshVideo: false }
 244   const fetchType = options.fetchType || 'all'
 245   const allowRefresh = options.allowRefresh !== false
 246
 247   // Get video url
 248   const videoUrl = getAPId(options.videoObject)
 249   let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
 250
 251   if (videoFromDatabase) {
 252     // If allowRefresh is true, we could not call this function using 'only-immutable-attributes' fetch type
 253     if (allowRefresh === true && (videoFromDatabase as MVideoThumbnail).isOutdated()) {
 254       const refreshOptions = {
 255         video: videoFromDatabase as MVideoThumbnail,
 256         fetchedType: fetchType,
 257         syncParam
 258       }
 259
 260       if (syncParam.refreshVideo === true) {
 261         videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
 262       } else {
 263         await JobQueue.Instance.createJobWithPromise({
 264           type: 'activitypub-refresher',
 265           payload: { type: 'video', url: videoFromDatabase.url }
 266         })
 267       }
 268     }
 269
 270     return { video: videoFromDatabase, created: false }
 271   }
 272
 273   const { videoObject: fetchedVideo } = await fetchRemoteVideo(videoUrl)
 274   if (!fetchedVideo) throw new Error('Cannot fetch remote video with url: ' + videoUrl)
 275
 276   const actor = await getOrCreateVideoChannelFromVideoObject(fetchedVideo)
 277   const videoChannel = actor.VideoChannel
 278
 279   try {
 280     const { autoBlacklisted, videoCreated } = await retryTransactionWrapper(createVideo, fetchedVideo, videoChannel, syncParam.thumbnail)
 281
 282     await syncVideoExternalAttributes(videoCreated, fetchedVideo, syncParam)
 283
 284     return { video: videoCreated, created: true, autoBlacklisted }
 285   } catch (err) {
 286     // Maybe a concurrent getOrCreateVideoAndAccountAndChannel call created this video
 287     if (err.name === 'SequelizeUniqueConstraintError') {
 288       const fallbackVideo = await fetchVideoByUrl(videoUrl, fetchType)
 289       if (fallbackVideo) return { video: fallbackVideo, created: false }
 290     }
 291
 292     throw err
 293   }
 294 }
 295
 296 async function updateVideoFromAP (options: {
 297   video: MVideoAccountLightBlacklistAllFiles
 298   videoObject: VideoObject
 299   account: MAccountIdActor
 300   channel: MChannelDefault
 301   overrideTo?: string[]
 302 }) {
 303   const { video, videoObject, account, channel, overrideTo } = options
 304
 305   logger.debug('Updating remote video "%s".', options.videoObject.uuid, { account, channel })
 306
 307   let videoFieldsSave: any
 308   const wasPrivateVideo = video.privacy === VideoPrivacy.PRIVATE
 309   const wasUnlistedVideo = video.privacy === VideoPrivacy.UNLISTED
 310
 311   try {
 312     let thumbnailModel: MThumbnail
 313
 314     try {
 315       thumbnailModel = await createVideoMiniatureFromUrl(getThumbnailFromIcons(videoObject).url, video, ThumbnailType.MINIATURE)
 316     } catch (err) {
 317       logger.warn('Cannot generate thumbnail of %s.', videoObject.id, { err })
 318     }
 319
 320     const videoUpdated = await sequelizeTypescript.transaction(async t => {
 321       const sequelizeOptions = { transaction: t }
 322
 323       videoFieldsSave = video.toJSON()
 324
 325       // Check actor has the right to update the video
 326       const videoChannel = video.VideoChannel
 327       if (videoChannel.Account.id !== account.id) {
 328         throw new Error('Account ' + account.Actor.url + ' does not own video channel ' + videoChannel.Actor.url)
 329       }
 330
 331       const to = overrideTo || videoObject.to
 332       const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, to)
 333       video.name = videoData.name
 334       video.uuid = videoData.uuid
 335       video.url = videoData.url
 336       video.category = videoData.category
 337       video.licence = videoData.licence
 338       video.language = videoData.language
 339       video.description = videoData.description
 340       video.support = videoData.support
 341       video.nsfw = videoData.nsfw
 342       video.commentsEnabled = videoData.commentsEnabled
 343       video.downloadEnabled = videoData.downloadEnabled
 344       video.waitTranscoding = videoData.waitTranscoding
 345       video.state = videoData.state
 346       video.duration = videoData.duration
 347       video.createdAt = videoData.createdAt
 348       video.publishedAt = videoData.publishedAt
 349       video.originallyPublishedAt = videoData.originallyPublishedAt
 350       video.privacy = videoData.privacy
 351       video.channelId = videoData.channelId
 352       video.views = videoData.views
 353       video.isLive = videoData.isLive
 354
 355       const videoUpdated = await video.save(sequelizeOptions) as MVideoFullLight
 356
 357       if (thumbnailModel) await videoUpdated.addAndSaveThumbnail(thumbnailModel, t)
 358
 359       if (videoUpdated.getPreview()) {
 360         const previewUrl = videoUpdated.getPreview().getFileUrl(videoUpdated)
 361         const previewModel = createPlaceholderThumbnail(previewUrl, video, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
 362         await videoUpdated.addAndSaveThumbnail(previewModel, t)
 363       }
 364
 365       {
 366         const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoUpdated, videoObject.url)
 367         const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a))
 368
 369         // Remove video files that do not exist anymore
 370         const destroyTasks = deleteNonExistingModels(videoUpdated.VideoFiles, newVideoFiles, t)
 371         await Promise.all(destroyTasks)
 372
 373         // Update or add other one
 374         const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'video', t))
 375         videoUpdated.VideoFiles = await Promise.all(upsertTasks)
 376       }
 377
 378       {
 379         const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes(videoUpdated, videoObject, videoUpdated.VideoFiles)
 380         const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a))
 381
 382         // Remove video playlists that do not exist anymore
 383         const destroyTasks = deleteNonExistingModels(videoUpdated.VideoStreamingPlaylists, newStreamingPlaylists, t)
 384         await Promise.all(destroyTasks)
 385
 386         let oldStreamingPlaylistFiles: MVideoFile[] = []
 387         for (const videoStreamingPlaylist of videoUpdated.VideoStreamingPlaylists) {
 388           oldStreamingPlaylistFiles = oldStreamingPlaylistFiles.concat(videoStreamingPlaylist.VideoFiles)
 389         }
 390
 391         videoUpdated.VideoStreamingPlaylists = []
 392
 393         for (const playlistAttributes of streamingPlaylistAttributes) {
 394           const streamingPlaylistModel = await VideoStreamingPlaylistModel.upsert(playlistAttributes, { returning: true, transaction: t })
 395                                      .then(([ streamingPlaylist ]) => streamingPlaylist)
 396
 397           const newVideoFiles: MVideoFile[] = videoFileActivityUrlToDBAttributes(streamingPlaylistModel, playlistAttributes.tagAPObject)
 398             .map(a => new VideoFileModel(a))
 399           const destroyTasks = deleteNonExistingModels(oldStreamingPlaylistFiles, newVideoFiles, t)
 400           await Promise.all(destroyTasks)
 401
 402           // Update or add other one
 403           const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'streaming-playlist', t))
 404           streamingPlaylistModel.VideoFiles = await Promise.all(upsertTasks)
 405
 406           videoUpdated.VideoStreamingPlaylists.push(streamingPlaylistModel)
 407         }
 408       }
 409
 410       {
 411         // Update Tags
 412         const tags = videoObject.tag
 413                                 .filter(isAPHashTagObject)
 414                                 .map(tag => tag.name)
 415         await setVideoTags({ video: videoUpdated, tags, transaction: t, defaultValue: videoUpdated.Tags })
 416       }
 417
 418       {
 419         // Update captions
 420         await VideoCaptionModel.deleteAllCaptionsOfRemoteVideo(videoUpdated.id, t)
 421
 422         const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
 423           return VideoCaptionModel.insertOrReplaceLanguage(videoUpdated.id, c.identifier, c.url, t)
 424         })
 425         await Promise.all(videoCaptionsPromises)
 426       }
 427
 428       {
 429         // Create or update existing live
 430         if (video.isLive) {
 431           const [ videoLive ] = await VideoLiveModel.upsert({
 432             saveReplay: videoObject.liveSaveReplay,
 433             videoId: video.id
 434           }, { transaction: t, returning: true })
 435
 436           videoUpdated.VideoLive = videoLive
 437         } else { // Delete existing live if it exists
 438           await VideoLiveModel.destroy({
 439             where: {
 440               videoId: video.id
 441             },
 442             transaction: t
 443           })
 444
 445           videoUpdated.VideoLive = null
 446         }
 447       }
 448
 449       return videoUpdated
 450     })
 451
 452     await autoBlacklistVideoIfNeeded({
 453       video: videoUpdated,
 454       user: undefined,
 455       isRemote: true,
 456       isNew: false,
 457       transaction: undefined
 458     })
 459
 460     if (wasPrivateVideo || wasUnlistedVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoUpdated) // Notify our users?
 461     if (videoUpdated.isLive) PeerTubeSocket.Instance.sendVideoLiveNewState(videoUpdated)
 462
 463     logger.info('Remote video with uuid %s updated', videoObject.uuid)
 464
 465     return videoUpdated
 466   } catch (err) {
 467     if (video !== undefined && videoFieldsSave !== undefined) {
 468       resetSequelizeInstance(video, videoFieldsSave)
 469     }
 470
 471     // This is just a debug because we will retry the insert
 472     logger.debug('Cannot update the remote video.', { err })
 473     throw err
 474   }
 475 }
 476
 477 async function refreshVideoIfNeeded (options: {
 478   video: MVideoThumbnail
 479   fetchedType: VideoFetchByUrlType
 480   syncParam: SyncParam
 481 }): Promise<MVideoThumbnail> {
 482   if (!options.video.isOutdated()) return options.video
 483
 484   // We need more attributes if the argument video was fetched with not enough joints
 485   const video = options.fetchedType === 'all'
 486     ? options.video as MVideoAccountLightBlacklistAllFiles
 487     : await VideoModel.loadByUrlAndPopulateAccount(options.video.url)
 488
 489   try {
 490     const { response, videoObject } = await fetchRemoteVideo(video.url)
 491     if (response.statusCode === 404) {
 492       logger.info('Cannot refresh remote video %s: video does not exist anymore. Deleting it.', video.url)
 493
 494       // Video does not exist anymore
 495       await video.destroy()
 496       return undefined
 497     }
 498
 499     if (videoObject === undefined) {
 500       logger.warn('Cannot refresh remote video %s: invalid body.', video.url)
 501
 502       await video.setAsRefreshed()
 503       return video
 504     }
 505
 506     const channelActor = await getOrCreateVideoChannelFromVideoObject(videoObject)
 507
 508     const updateOptions = {
 509       video,
 510       videoObject,
 511       account: channelActor.VideoChannel.Account,
 512       channel: channelActor.VideoChannel
 513     }
 514     await retryTransactionWrapper(updateVideoFromAP, updateOptions)
 515     await syncVideoExternalAttributes(video, videoObject, options.syncParam)
 516
 517     ActorFollowScoreCache.Instance.addGoodServerId(video.VideoChannel.Actor.serverId)
 518
 519     return video
 520   } catch (err) {
 521     logger.warn('Cannot refresh video %s.', options.video.url, { err })
 522
 523     ActorFollowScoreCache.Instance.addBadServerId(video.VideoChannel.Actor.serverId)
 524
 525     // Don't refresh in loop
 526     await video.setAsRefreshed()
 527     return video
 528   }
 529 }
 530
 531 export {
 532   updateVideoFromAP,
 533   refreshVideoIfNeeded,
 534   federateVideoIfNeeded,
 535   fetchRemoteVideo,
 536   getOrCreateVideoAndAccountAndChannel,
 537   fetchRemoteVideoDescription,
 538   getOrCreateVideoChannelFromVideoObject
 539 }
 540
 541 // ---------------------------------------------------------------------------
 542
 543 function isAPVideoUrlObject (url: any): url is ActivityVideoUrlObject {
 544   const urlMediaType = url.mediaType
 545
 546   return MIMETYPES.VIDEO.MIMETYPE_EXT[urlMediaType] && urlMediaType.startsWith('video/')
 547 }
 548
 549 function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
 550   return url && url.mediaType === 'application/x-mpegURL'
 551 }
 552
 553 function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
 554   return tag && tag.name === 'sha256' && tag.type === 'Link' && tag.mediaType === 'application/json'
 555 }
 556
 557 function isAPMagnetUrlObject (url: any): url is ActivityMagnetUrlObject {
 558   return url && url.mediaType === 'application/x-bittorrent;x-scheme-handler/magnet'
 559 }
 560
 561 function isAPHashTagObject (url: any): url is ActivityHashTagObject {
 562   return url && url.type === 'Hashtag'
 563 }
 564
 565 async function createVideo (videoObject: VideoObject, channel: MChannelAccountLight, waitThumbnail = false) {
 566   logger.debug('Adding remote video %s.', videoObject.id)
 567
 568   const videoData = await videoActivityObjectToDBAttributes(channel, videoObject, videoObject.to)
 569   const video = VideoModel.build(videoData) as MVideoThumbnail
 570
 571   const promiseThumbnail = createVideoMiniatureFromUrl(getThumbnailFromIcons(videoObject).url, video, ThumbnailType.MINIATURE)
 572     .catch(err => {
 573       logger.error('Cannot create miniature from url.', { err })
 574       return undefined
 575     })
 576
 577   let thumbnailModel: MThumbnail
 578   if (waitThumbnail === true) {
 579     thumbnailModel = await promiseThumbnail
 580   }
 581
 582   const { autoBlacklisted, videoCreated } = await sequelizeTypescript.transaction(async t => {
 583     const sequelizeOptions = { transaction: t }
 584
 585     const videoCreated = await video.save(sequelizeOptions) as MVideoFullLight
 586     videoCreated.VideoChannel = channel
 587
 588     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
 589
 590     const previewIcon = getPreviewFromIcons(videoObject)
 591     const previewUrl = previewIcon
 592       ? previewIcon.url
 593       : buildRemoteVideoBaseUrl(videoCreated, join(STATIC_PATHS.PREVIEWS, video.generatePreviewName()))
 594     const previewModel = createPlaceholderThumbnail(previewUrl, videoCreated, ThumbnailType.PREVIEW, PREVIEWS_SIZE)
 595
 596     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
 597
 598     // Process files
 599     const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject.url)
 600
 601     const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
 602     const videoFiles = await Promise.all(videoFilePromises)
 603
 604     const streamingPlaylistsAttributes = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
 605     videoCreated.VideoStreamingPlaylists = []
 606
 607     for (const playlistAttributes of streamingPlaylistsAttributes) {
 608       const playlistModel = await VideoStreamingPlaylistModel.create(playlistAttributes, { transaction: t })
 609
 610       const playlistFiles = videoFileActivityUrlToDBAttributes(playlistModel, playlistAttributes.tagAPObject)
 611       const videoFilePromises = playlistFiles.map(f => VideoFileModel.create(f, { transaction: t }))
 612       playlistModel.VideoFiles = await Promise.all(videoFilePromises)
 613
 614       videoCreated.VideoStreamingPlaylists.push(playlistModel)
 615     }
 616
 617     // Process tags
 618     const tags = videoObject.tag
 619                             .filter(isAPHashTagObject)
 620                             .map(t => t.name)
 621     await setVideoTags({ video: videoCreated, tags, transaction: t })
 622
 623     // Process captions
 624     const videoCaptionsPromises = videoObject.subtitleLanguage.map(c => {
 625       return VideoCaptionModel.insertOrReplaceLanguage(videoCreated.id, c.identifier, c.url, t)
 626     })
 627     await Promise.all(videoCaptionsPromises)
 628
 629     videoCreated.VideoFiles = videoFiles
 630
 631     if (videoCreated.isLive) {
 632       const videoLive = new VideoLiveModel({
 633         streamKey: null,
 634         saveReplay: videoObject.liveSaveReplay,
 635         videoId: videoCreated.id
 636       })
 637
 638       videoCreated.VideoLive = await videoLive.save({ transaction: t })
 639     }
 640
 641     const autoBlacklisted = await autoBlacklistVideoIfNeeded({
 642       video: videoCreated,
 643       user: undefined,
 644       isRemote: true,
 645       isNew: true,
 646       transaction: t
 647     })
 648
 649     logger.info('Remote video with uuid %s inserted.', videoObject.uuid)
 650
 651     return { autoBlacklisted, videoCreated }
 652   })
 653
 654   if (waitThumbnail === false) {
 655     // Error is already caught above
 656     // eslint-disable-next-line @typescript-eslint/no-floating-promises
 657     promiseThumbnail.then(thumbnailModel => {
 658       if (!thumbnailModel) return
 659
 660       thumbnailModel = videoCreated.id
 661
 662       return thumbnailModel.save()
 663     })
 664   }
 665
 666   return { autoBlacklisted, videoCreated }
 667 }
 668
 669 function videoActivityObjectToDBAttributes (videoChannel: MChannelId, videoObject: VideoObject, to: string[] = []) {
 670   const privacy = to.includes(ACTIVITY_PUB.PUBLIC)
 671     ? VideoPrivacy.PUBLIC
 672     : VideoPrivacy.UNLISTED
 673
 674   const duration = videoObject.duration.replace(/[^\d]+/, '')
 675   const language = videoObject.language?.identifier
 676
 677   const category = videoObject.category
 678     ? parseInt(videoObject.category.identifier, 10)
 679     : undefined
 680
 681   const licence = videoObject.licence
 682     ? parseInt(videoObject.licence.identifier, 10)
 683     : undefined
 684
 685   const description = videoObject.content || null
 686   const support = videoObject.support || null
 687
 688   return {
 689     name: videoObject.name,
 690     uuid: videoObject.uuid,
 691     url: videoObject.id,
 692     category,
 693     licence,
 694     language,
 695     description,
 696     support,
 697     nsfw: videoObject.sensitive,
 698     commentsEnabled: videoObject.commentsEnabled,
 699     downloadEnabled: videoObject.downloadEnabled,
 700     waitTranscoding: videoObject.waitTranscoding,
 701     isLive: videoObject.isLiveBroadcast,
 702     state: videoObject.state,
 703     channelId: videoChannel.id,
 704     duration: parseInt(duration, 10),
 705     createdAt: new Date(videoObject.published),
 706     publishedAt: new Date(videoObject.published),
 707
 708     originallyPublishedAt: videoObject.originallyPublishedAt
 709       ? new Date(videoObject.originallyPublishedAt)
 710       : null,
 711
 712     updatedAt: new Date(videoObject.updated),
 713     views: videoObject.views,
 714     likes: 0,
 715     dislikes: 0,
 716     remote: true,
 717     privacy
 718   }
 719 }
 720
 721 function videoFileActivityUrlToDBAttributes (
 722   videoOrPlaylist: MVideo | MStreamingPlaylist,
 723   urls: (ActivityTagObject | ActivityUrlObject)[]
 724 ) {
 725   const fileUrls = urls.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 726
 727   if (fileUrls.length === 0) return []
 728
 729   const attributes: FilteredModelAttributes<VideoFileModel>[] = []
 730   for (const fileUrl of fileUrls) {
 731     // Fetch associated magnet uri
 732     const magnet = urls.filter(isAPMagnetUrlObject)
 733                        .find(u => u.height === fileUrl.height)
 734
 735     if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
 736
 737     const parsed = magnetUtil.decode(magnet.href)
 738     if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) {
 739       throw new Error('Cannot parse magnet URI ' + magnet.href)
 740     }
 741
 742     // Fetch associated metadata url, if any
 743     const metadata = urls.filter(isAPVideoFileMetadataObject)
 744                          .find(u => {
 745                            return u.height === fileUrl.height &&
 746                              u.fps === fileUrl.fps &&
 747                              u.rel.includes(fileUrl.mediaType)
 748                          })
 749
 750     const mediaType = fileUrl.mediaType
 751     const attribute = {
 752       extname: getExtFromMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT, mediaType),
 753       infoHash: parsed.infoHash,
 754       resolution: fileUrl.height,
 755       size: fileUrl.size,
 756       fps: fileUrl.fps || -1,
 757       metadataUrl: metadata?.href,
 758
 759       // This is a video file owned by a video or by a streaming playlist
 760       videoId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? null : videoOrPlaylist.id,
 761       videoStreamingPlaylistId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? videoOrPlaylist.id : null
 762     }
 763
 764     attributes.push(attribute)
 765   }
 766
 767   return attributes
 768 }
 769
 770 function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObject: VideoObject, videoFiles: MVideoFile[]) {
 771   const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
 772   if (playlistUrls.length === 0) return []
 773
 774   const attributes: (FilteredModelAttributes<VideoStreamingPlaylistModel> & { tagAPObject?: ActivityTagObject[] })[] = []
 775   for (const playlistUrlObject of playlistUrls) {
 776     const segmentsSha256UrlObject = playlistUrlObject.tag.find(isAPPlaylistSegmentHashesUrlObject)
 777
 778     let files: unknown[] = playlistUrlObject.tag.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 779
 780     // FIXME: backward compatibility introduced in v2.1.0
 781     if (files.length === 0) files = videoFiles
 782
 783     if (!segmentsSha256UrlObject) {
 784       logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject })
 785       continue
 786     }
 787
 788     const attribute = {
 789       type: VideoStreamingPlaylistType.HLS,
 790       playlistUrl: playlistUrlObject.href,
 791       segmentsSha256Url: segmentsSha256UrlObject.href,
 792       p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, files),
 793       p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
 794       videoId: video.id,
 795       tagAPObject: playlistUrlObject.tag
 796     }
 797
 798     attributes.push(attribute)
 799   }
 800
 801   return attributes
 802 }
 803
 804 function getThumbnailFromIcons (videoObject: VideoObject) {
 805   let validIcons = videoObject.icon.filter(i => i.width > THUMBNAILS_SIZE.minWidth)
 806   // Fallback if there are not valid icons
 807   if (validIcons.length === 0) validIcons = videoObject.icon
 808
 809   return minBy(validIcons, 'width')
 810 }
 811
 812 function getPreviewFromIcons (videoObject: VideoObject) {
 813   const validIcons = videoObject.icon.filter(i => i.width > PREVIEWS_SIZE.minWidth)
 814
 815   // FIXME: don't put a fallback here for compatibility with PeerTube <2.2
 816
 817   return maxBy(validIcons, 'width')
 818 }