server/controllers/api/videos/import.ts

   1 import * as express from 'express'
   2 import * as magnetUtil from 'magnet-uri'
   3 import 'multer'
   4 import { auditLoggerFactory, VideoImportAuditView } from '../../../helpers/audit-logger'
   5 import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoImportAddValidator } from '../../../middlewares'
   6 import {
   7   CONFIG,
   8   IMAGE_MIMETYPE_EXT,
   9   PREVIEWS_SIZE,
  10   sequelizeTypescript,
  11   THUMBNAILS_SIZE,
  12   TORRENT_MIMETYPE_EXT
  13 } from '../../../initializers'
  14 import { getYoutubeDLInfo, YoutubeDLInfo } from '../../../helpers/youtube-dl'
  15 import { createReqFiles } from '../../../helpers/express-utils'
  16 import { logger } from '../../../helpers/logger'
  17 import { VideoImportCreate, VideoImportState, VideoPrivacy, VideoState } from '../../../../shared'
  18 import { VideoModel } from '../../../models/video/video'
  19 import { getVideoActivityPubUrl } from '../../../lib/activitypub'
  20 import { TagModel } from '../../../models/video/tag'
  21 import { VideoImportModel } from '../../../models/video/video-import'
  22 import { JobQueue } from '../../../lib/job-queue/job-queue'
  23 import { processImage } from '../../../helpers/image-utils'
  24 import { join } from 'path'
  25 import { isArray } from '../../../helpers/custom-validators/misc'
  26 import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
  27 import { VideoChannelModel } from '../../../models/video/video-channel'
  28 import * as Bluebird from 'bluebird'
  29 import * as parseTorrent from 'parse-torrent'
  30 import { readFileBufferPromise, renamePromise } from '../../../helpers/core-utils'
  31 import { getSecureTorrentName } from '../../../helpers/utils'
  32
  33 const auditLogger = auditLoggerFactory('video-imports')
  34 const videoImportsRouter = express.Router()
  35
  36 const reqVideoFileImport = createReqFiles(
  37   [ 'thumbnailfile', 'previewfile', 'torrentfile' ],
  38   Object.assign({}, TORRENT_MIMETYPE_EXT, IMAGE_MIMETYPE_EXT),
  39   {
  40     thumbnailfile: CONFIG.STORAGE.THUMBNAILS_DIR,
  41     previewfile: CONFIG.STORAGE.PREVIEWS_DIR,
  42     torrentfile: CONFIG.STORAGE.TORRENTS_DIR
  43   }
  44 )
  45
  46 videoImportsRouter.post('/imports',
  47   authenticate,
  48   reqVideoFileImport,
  49   asyncMiddleware(videoImportAddValidator),
  50   asyncRetryTransactionMiddleware(addVideoImport)
  51 )
  52
  53 // ---------------------------------------------------------------------------
  54
  55 export {
  56   videoImportsRouter
  57 }
  58
  59 // ---------------------------------------------------------------------------
  60
  61 function addVideoImport (req: express.Request, res: express.Response) {
  62   if (req.body.targetUrl) return addYoutubeDLImport(req, res)
  63
  64   const file = req.files && req.files['torrentfile'] ? req.files['torrentfile'][0] : undefined
  65   if (req.body.magnetUri || file) return addTorrentImport(req, res, file)
  66 }
  67
  68 async function addTorrentImport (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
  69   const body: VideoImportCreate = req.body
  70   const user = res.locals.oauth.token.User
  71
  72   let videoName: string
  73   let torrentName: string
  74   let magnetUri: string
  75
  76   if (torrentfile) {
  77     torrentName = torrentfile.originalname
  78
  79     // Rename the torrent to a secured name
  80     const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, getSecureTorrentName(torrentName))
  81     await renamePromise(torrentfile.path, newTorrentPath)
  82     torrentfile.path = newTorrentPath
  83
  84     const buf = await readFileBufferPromise(torrentfile.path)
  85     const parsedTorrent = parseTorrent(buf)
  86
  87     videoName = isArray(parsedTorrent.name) ? parsedTorrent.name[ 0 ] : parsedTorrent.name as string
  88   } else {
  89     magnetUri = body.magnetUri
  90
  91     const parsed = magnetUtil.decode(magnetUri)
  92     videoName = isArray(parsed.name) ? parsed.name[ 0 ] : parsed.name as string
  93   }
  94
  95   const video = buildVideo(res.locals.videoChannel.id, body, { name: videoName })
  96
  97   await processThumbnail(req, video)
  98   await processPreview(req, video)
  99
 100   const tags = null
 101   const videoImportAttributes = {
 102     magnetUri,
 103     torrentName,
 104     state: VideoImportState.PENDING,
 105     userId: user.id
 106   }
 107   const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
 108
 109   // Create job to import the video
 110   const payload = {
 111     type: torrentfile ? 'torrent-file' as 'torrent-file' : 'magnet-uri' as 'magnet-uri',
 112     videoImportId: videoImport.id,
 113     magnetUri
 114   }
 115   await JobQueue.Instance.createJob({ type: 'video-import', payload })
 116
 117   auditLogger.create(res.locals.oauth.token.User.Account.Actor.getIdentifier(), new VideoImportAuditView(videoImport.toFormattedJSON()))
 118
 119   return res.json(videoImport.toFormattedJSON()).end()
 120 }
 121
 122 async function addYoutubeDLImport (req: express.Request, res: express.Response) {
 123   const body: VideoImportCreate = req.body
 124   const targetUrl = body.targetUrl
 125   const user = res.locals.oauth.token.User
 126
 127   let youtubeDLInfo: YoutubeDLInfo
 128   try {
 129     youtubeDLInfo = await getYoutubeDLInfo(targetUrl)
 130   } catch (err) {
 131     logger.info('Cannot fetch information from import for URL %s.', targetUrl, { err })
 132
 133     return res.status(400).json({
 134       error: 'Cannot fetch remote information of this URL.'
 135     }).end()
 136   }
 137
 138   const video = buildVideo(res.locals.videoChannel.id, body, youtubeDLInfo)
 139
 140   const downloadThumbnail = !await processThumbnail(req, video)
 141   const downloadPreview = !await processPreview(req, video)
 142
 143   const tags = body.tags || youtubeDLInfo.tags
 144   const videoImportAttributes = {
 145     targetUrl,
 146     state: VideoImportState.PENDING,
 147     userId: user.id
 148   }
 149   const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
 150
 151   // Create job to import the video
 152   const payload = {
 153     type: 'youtube-dl' as 'youtube-dl',
 154     videoImportId: videoImport.id,
 155     thumbnailUrl: youtubeDLInfo.thumbnailUrl,
 156     downloadThumbnail,
 157     downloadPreview
 158   }
 159   await JobQueue.Instance.createJob({ type: 'video-import', payload })
 160
 161   auditLogger.create(res.locals.oauth.token.User.Account.Actor.getIdentifier(), new VideoImportAuditView(videoImport.toFormattedJSON()))
 162
 163   return res.json(videoImport.toFormattedJSON()).end()
 164 }
 165
 166 function buildVideo (channelId: number, body: VideoImportCreate, importData: YoutubeDLInfo) {
 167   const videoData = {
 168     name: body.name || importData.name || 'Unknown name',
 169     remote: false,
 170     category: body.category || importData.category,
 171     licence: body.licence || importData.licence,
 172     language: body.language || undefined,
 173     commentsEnabled: body.commentsEnabled || true,
 174     waitTranscoding: body.waitTranscoding || false,
 175     state: VideoState.TO_IMPORT,
 176     nsfw: body.nsfw || importData.nsfw || false,
 177     description: body.description || importData.description,
 178     support: body.support || null,
 179     privacy: body.privacy || VideoPrivacy.PRIVATE,
 180     duration: 0, // duration will be set by the import job
 181     channelId: channelId
 182   }
 183   const video = new VideoModel(videoData)
 184   video.url = getVideoActivityPubUrl(video)
 185
 186   return video
 187 }
 188
 189 async function processThumbnail (req: express.Request, video: VideoModel) {
 190   const thumbnailField = req.files ? req.files['thumbnailfile'] : undefined
 191   if (thumbnailField) {
 192     const thumbnailPhysicalFile = thumbnailField[ 0 ]
 193     await processImage(thumbnailPhysicalFile, join(CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName()), THUMBNAILS_SIZE)
 194
 195     return true
 196   }
 197
 198   return false
 199 }
 200
 201 async function processPreview (req: express.Request, video: VideoModel) {
 202   const previewField = req.files ? req.files['previewfile'] : undefined
 203   if (previewField) {
 204     const previewPhysicalFile = previewField[0]
 205     await processImage(previewPhysicalFile, join(CONFIG.STORAGE.PREVIEWS_DIR, video.getPreviewName()), PREVIEWS_SIZE)
 206
 207     return true
 208   }
 209
 210   return false
 211 }
 212
 213 function insertIntoDB (
 214   video: VideoModel,
 215   videoChannel: VideoChannelModel,
 216   tags: string[],
 217   videoImportAttributes: FilteredModelAttributes<VideoImportModel>
 218 ): Bluebird<VideoImportModel> {
 219   return sequelizeTypescript.transaction(async t => {
 220     const sequelizeOptions = { transaction: t }
 221
 222     // Save video object in database
 223     const videoCreated = await video.save(sequelizeOptions)
 224     videoCreated.VideoChannel = videoChannel
 225
 226     // Set tags to the video
 227     if (tags !== undefined) {
 228       const tagInstances = await TagModel.findOrCreateTags(tags, t)
 229
 230       await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
 231       videoCreated.Tags = tagInstances
 232     }
 233
 234     // Create video import object in database
 235     const videoImport = await VideoImportModel.create(
 236       Object.assign({ videoId: videoCreated.id }, videoImportAttributes),
 237       sequelizeOptions
 238     )
 239     videoImport.Video = videoCreated
 240
 241     return videoImport
 242   })
 243 }