server/controllers/api/videos/import.ts

   1 import express from 'express'
   2 import { move, readFile } from 'fs-extra'
   3 import { decode } from 'magnet-uri'
   4 import parseTorrent, { Instance } from 'parse-torrent'
   5 import { join } from 'path'
   6 import { isVideoFileExtnameValid } from '@server/helpers/custom-validators/videos'
   7 import { ServerConfigManager } from '@server/lib/server-config-manager'
   8 import { setVideoTags } from '@server/lib/video'
   9 import { FilteredModelAttributes } from '@server/types'
  10 import {
  11   MChannelAccountDefault,
  12   MThumbnail,
  13   MUser,
  14   MVideoAccountDefault,
  15   MVideoCaption,
  16   MVideoTag,
  17   MVideoThumbnail,
  18   MVideoWithBlacklistLight
  19 } from '@server/types/models'
  20 import { MVideoImportFormattable } from '@server/types/models/video/video-import'
  21 import { ServerErrorCode, VideoImportCreate, VideoImportState, VideoPrivacy, VideoState } from '../../../../shared'
  22 import { ThumbnailType } from '../../../../shared/models/videos/thumbnail.type'
  23 import { auditLoggerFactory, getAuditIdFromRes, VideoImportAuditView } from '../../../helpers/audit-logger'
  24 import { moveAndProcessCaptionFile } from '../../../helpers/captions-utils'
  25 import { isArray } from '../../../helpers/custom-validators/misc'
  26 import { cleanUpReqFiles, createReqFiles } from '../../../helpers/express-utils'
  27 import { logger } from '../../../helpers/logger'
  28 import { getSecureTorrentName } from '../../../helpers/utils'
  29 import { YoutubeDL, YoutubeDLInfo } from '../../../helpers/youtube-dl'
  30 import { CONFIG } from '../../../initializers/config'
  31 import { MIMETYPES } from '../../../initializers/constants'
  32 import { sequelizeTypescript } from '../../../initializers/database'
  33 import { getLocalVideoActivityPubUrl } from '../../../lib/activitypub/url'
  34 import { JobQueue } from '../../../lib/job-queue/job-queue'
  35 import { updateVideoMiniatureFromExisting, updateVideoMiniatureFromUrl } from '../../../lib/thumbnail'
  36 import { autoBlacklistVideoIfNeeded } from '../../../lib/video-blacklist'
  37 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoImportAddValidator } from '../../../middlewares'
  38 import { VideoModel } from '../../../models/video/video'
  39 import { VideoCaptionModel } from '../../../models/video/video-caption'
  40 import { VideoImportModel } from '../../../models/video/video-import'
  41
  42 const auditLogger = auditLoggerFactory('video-imports')
  43 const videoImportsRouter = express.Router()
  44
  45 const reqVideoFileImport = createReqFiles(
  46   [ 'thumbnailfile', 'previewfile', 'torrentfile' ],
  47   Object.assign({}, MIMETYPES.TORRENT.MIMETYPE_EXT, MIMETYPES.IMAGE.MIMETYPE_EXT),
  48   {
  49     thumbnailfile: CONFIG.STORAGE.TMP_DIR,
  50     previewfile: CONFIG.STORAGE.TMP_DIR,
  51     torrentfile: CONFIG.STORAGE.TMP_DIR
  52   }
  53 )
  54
  55 videoImportsRouter.post('/imports',
  56   authenticate,
  57   reqVideoFileImport,
  58   asyncMiddleware(videoImportAddValidator),
  59   asyncRetryTransactionMiddleware(addVideoImport)
  60 )
  61
  62 // ---------------------------------------------------------------------------
  63
  64 export {
  65   videoImportsRouter
  66 }
  67
  68 // ---------------------------------------------------------------------------
  69
  70 function addVideoImport (req: express.Request, res: express.Response) {
  71   if (req.body.targetUrl) return addYoutubeDLImport(req, res)
  72
  73   const file = req.files?.['torrentfile']?.[0]
  74   if (req.body.magnetUri || file) return addTorrentImport(req, res, file)
  75 }
  76
  77 async function addTorrentImport (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
  78   const body: VideoImportCreate = req.body
  79   const user = res.locals.oauth.token.User
  80
  81   let videoName: string
  82   let torrentName: string
  83   let magnetUri: string
  84
  85   if (torrentfile) {
  86     const result = await processTorrentOrAbortRequest(req, res, torrentfile)
  87     if (!result) return
  88
  89     videoName = result.name
  90     torrentName = result.torrentName
  91   } else {
  92     const result = processMagnetURI(body)
  93     magnetUri = result.magnetUri
  94     videoName = result.name
  95   }
  96
  97   const video = buildVideo(res.locals.videoChannel.id, body, { name: videoName })
  98
  99   const thumbnailModel = await processThumbnail(req, video)
 100   const previewModel = await processPreview(req, video)
 101
 102   const videoImport = await insertIntoDB({
 103     video,
 104     thumbnailModel,
 105     previewModel,
 106     videoChannel: res.locals.videoChannel,
 107     tags: body.tags || undefined,
 108     user,
 109     videoImportAttributes: {
 110       magnetUri,
 111       torrentName,
 112       state: VideoImportState.PENDING,
 113       userId: user.id
 114     }
 115   })
 116
 117   // Create job to import the video
 118   const payload = {
 119     type: torrentfile
 120       ? 'torrent-file' as 'torrent-file'
 121       : 'magnet-uri' as 'magnet-uri',
 122     videoImportId: videoImport.id,
 123     magnetUri
 124   }
 125   await JobQueue.Instance.createJobWithPromise({ type: 'video-import', payload })
 126
 127   auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
 128
 129   return res.json(videoImport.toFormattedJSON()).end()
 130 }
 131
 132 async function addYoutubeDLImport (req: express.Request, res: express.Response) {
 133   const body: VideoImportCreate = req.body
 134   const targetUrl = body.targetUrl
 135   const user = res.locals.oauth.token.User
 136
 137   const youtubeDL = new YoutubeDL(targetUrl, ServerConfigManager.Instance.getEnabledResolutions('vod'))
 138
 139   // Get video infos
 140   let youtubeDLInfo: YoutubeDLInfo
 141   try {
 142     youtubeDLInfo = await youtubeDL.getYoutubeDLInfo()
 143   } catch (err) {
 144     logger.info('Cannot fetch information from import for URL %s.', targetUrl, { err })
 145
 146     return res.fail({
 147       message: 'Cannot fetch remote information of this URL.',
 148       data: {
 149         targetUrl
 150       }
 151     })
 152   }
 153
 154   const video = buildVideo(res.locals.videoChannel.id, body, youtubeDLInfo)
 155
 156   // Process video thumbnail from request.files
 157   let thumbnailModel = await processThumbnail(req, video)
 158
 159   // Process video thumbnail from url if processing from request.files failed
 160   if (!thumbnailModel && youtubeDLInfo.thumbnailUrl) {
 161     try {
 162       thumbnailModel = await processThumbnailFromUrl(youtubeDLInfo.thumbnailUrl, video)
 163     } catch (err) {
 164       logger.warn('Cannot process thumbnail %s from youtubedl.', youtubeDLInfo.thumbnailUrl, { err })
 165     }
 166   }
 167
 168   // Process video preview from request.files
 169   let previewModel = await processPreview(req, video)
 170
 171   // Process video preview from url if processing from request.files failed
 172   if (!previewModel && youtubeDLInfo.thumbnailUrl) {
 173     try {
 174       previewModel = await processPreviewFromUrl(youtubeDLInfo.thumbnailUrl, video)
 175     } catch (err) {
 176       logger.warn('Cannot process preview %s from youtubedl.', youtubeDLInfo.thumbnailUrl, { err })
 177     }
 178   }
 179
 180   const videoImport = await insertIntoDB({
 181     video,
 182     thumbnailModel,
 183     previewModel,
 184     videoChannel: res.locals.videoChannel,
 185     tags: body.tags || youtubeDLInfo.tags,
 186     user,
 187     videoImportAttributes: {
 188       targetUrl,
 189       state: VideoImportState.PENDING,
 190       userId: user.id
 191     }
 192   })
 193
 194   // Get video subtitles
 195   await processYoutubeSubtitles(youtubeDL, targetUrl, video.id)
 196
 197   let fileExt = `.${youtubeDLInfo.ext}`
 198   if (!isVideoFileExtnameValid(fileExt)) fileExt = '.mp4'
 199
 200   // Create job to import the video
 201   const payload = {
 202     type: 'youtube-dl' as 'youtube-dl',
 203     videoImportId: videoImport.id,
 204     fileExt
 205   }
 206   await JobQueue.Instance.createJobWithPromise({ type: 'video-import', payload })
 207
 208   auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
 209
 210   return res.json(videoImport.toFormattedJSON()).end()
 211 }
 212
 213 function buildVideo (channelId: number, body: VideoImportCreate, importData: YoutubeDLInfo): MVideoThumbnail {
 214   const videoData = {
 215     name: body.name || importData.name || 'Unknown name',
 216     remote: false,
 217     category: body.category || importData.category,
 218     licence: body.licence || importData.licence,
 219     language: body.language || importData.language,
 220     commentsEnabled: body.commentsEnabled !== false, // If the value is not "false", the default is "true"
 221     downloadEnabled: body.downloadEnabled !== false,
 222     waitTranscoding: body.waitTranscoding || false,
 223     state: VideoState.TO_IMPORT,
 224     nsfw: body.nsfw || importData.nsfw || false,
 225     description: body.description || importData.description,
 226     support: body.support || null,
 227     privacy: body.privacy || VideoPrivacy.PRIVATE,
 228     duration: 0, // duration will be set by the import job
 229     channelId: channelId,
 230     originallyPublishedAt: body.originallyPublishedAt
 231       ? new Date(body.originallyPublishedAt)
 232       : importData.originallyPublishedAt
 233   }
 234   const video = new VideoModel(videoData)
 235   video.url = getLocalVideoActivityPubUrl(video)
 236
 237   return video
 238 }
 239
 240 async function processThumbnail (req: express.Request, video: MVideoThumbnail) {
 241   const thumbnailField = req.files ? req.files['thumbnailfile'] : undefined
 242   if (thumbnailField) {
 243     const thumbnailPhysicalFile = thumbnailField[0]
 244
 245     return updateVideoMiniatureFromExisting({
 246       inputPath: thumbnailPhysicalFile.path,
 247       video,
 248       type: ThumbnailType.MINIATURE,
 249       automaticallyGenerated: false
 250     })
 251   }
 252
 253   return undefined
 254 }
 255
 256 async function processPreview (req: express.Request, video: MVideoThumbnail): Promise<MThumbnail> {
 257   const previewField = req.files ? req.files['previewfile'] : undefined
 258   if (previewField) {
 259     const previewPhysicalFile = previewField[0]
 260
 261     return updateVideoMiniatureFromExisting({
 262       inputPath: previewPhysicalFile.path,
 263       video,
 264       type: ThumbnailType.PREVIEW,
 265       automaticallyGenerated: false
 266     })
 267   }
 268
 269   return undefined
 270 }
 271
 272 async function processThumbnailFromUrl (url: string, video: MVideoThumbnail) {
 273   try {
 274     return updateVideoMiniatureFromUrl({ downloadUrl: url, video, type: ThumbnailType.MINIATURE })
 275   } catch (err) {
 276     logger.warn('Cannot generate video thumbnail %s for %s.', url, video.url, { err })
 277     return undefined
 278   }
 279 }
 280
 281 async function processPreviewFromUrl (url: string, video: MVideoThumbnail) {
 282   try {
 283     return updateVideoMiniatureFromUrl({ downloadUrl: url, video, type: ThumbnailType.PREVIEW })
 284   } catch (err) {
 285     logger.warn('Cannot generate video preview %s for %s.', url, video.url, { err })
 286     return undefined
 287   }
 288 }
 289
 290 async function insertIntoDB (parameters: {
 291   video: MVideoThumbnail
 292   thumbnailModel: MThumbnail
 293   previewModel: MThumbnail
 294   videoChannel: MChannelAccountDefault
 295   tags: string[]
 296   videoImportAttributes: FilteredModelAttributes<VideoImportModel>
 297   user: MUser
 298 }): Promise<MVideoImportFormattable> {
 299   const { video, thumbnailModel, previewModel, videoChannel, tags, videoImportAttributes, user } = parameters
 300
 301   const videoImport = await sequelizeTypescript.transaction(async t => {
 302     const sequelizeOptions = { transaction: t }
 303
 304     // Save video object in database
 305     const videoCreated = await video.save(sequelizeOptions) as (MVideoAccountDefault & MVideoWithBlacklistLight & MVideoTag)
 306     videoCreated.VideoChannel = videoChannel
 307
 308     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
 309     if (previewModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
 310
 311     await autoBlacklistVideoIfNeeded({
 312       video: videoCreated,
 313       user,
 314       notify: false,
 315       isRemote: false,
 316       isNew: true,
 317       transaction: t
 318     })
 319
 320     await setVideoTags({ video: videoCreated, tags, transaction: t })
 321
 322     // Create video import object in database
 323     const videoImport = await VideoImportModel.create(
 324       Object.assign({ videoId: videoCreated.id }, videoImportAttributes),
 325       sequelizeOptions
 326     ) as MVideoImportFormattable
 327     videoImport.Video = videoCreated
 328
 329     return videoImport
 330   })
 331
 332   return videoImport
 333 }
 334
 335 async function processTorrentOrAbortRequest (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
 336   const torrentName = torrentfile.originalname
 337
 338   // Rename the torrent to a secured name
 339   const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, getSecureTorrentName(torrentName))
 340   await move(torrentfile.path, newTorrentPath, { overwrite: true })
 341   torrentfile.path = newTorrentPath
 342
 343   const buf = await readFile(torrentfile.path)
 344   const parsedTorrent = parseTorrent(buf) as Instance
 345
 346   if (parsedTorrent.files.length !== 1) {
 347     cleanUpReqFiles(req)
 348
 349     res.fail({
 350       type: ServerErrorCode.INCORRECT_FILES_IN_TORRENT,
 351       message: 'Torrents with only 1 file are supported.'
 352     })
 353     return undefined
 354   }
 355
 356   return {
 357     name: extractNameFromArray(parsedTorrent.name),
 358     torrentName
 359   }
 360 }
 361
 362 function processMagnetURI (body: VideoImportCreate) {
 363   const magnetUri = body.magnetUri
 364   const parsed = decode(magnetUri)
 365
 366   return {
 367     name: extractNameFromArray(parsed.name),
 368     magnetUri
 369   }
 370 }
 371
 372 function extractNameFromArray (name: string | string[]) {
 373   return isArray(name) ? name[0] : name
 374 }
 375
 376 async function processYoutubeSubtitles (youtubeDL: YoutubeDL, targetUrl: string, videoId: number) {
 377   try {
 378     const subtitles = await youtubeDL.getYoutubeDLSubs()
 379
 380     logger.info('Will create %s subtitles from youtube import %s.', subtitles.length, targetUrl)
 381
 382     for (const subtitle of subtitles) {
 383       const videoCaption = new VideoCaptionModel({
 384         videoId,
 385         language: subtitle.language,
 386         filename: VideoCaptionModel.generateCaptionName(subtitle.language)
 387       }) as MVideoCaption
 388
 389       // Move physical file
 390       await moveAndProcessCaptionFile(subtitle, videoCaption)
 391
 392       await sequelizeTypescript.transaction(async t => {
 393         await VideoCaptionModel.insertOrReplaceLanguage(videoCaption, t)
 394       })
 395     }
 396   } catch (err) {
 397     logger.warn('Cannot get video subtitles.', { err })
 398   }
 399 }