PeerTube/server/controllers/api/videos/import.ts

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import * as express from 'express'
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import * as magnetUtil from 'magnet-uri'
import 'multer'
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import { auditLoggerFactory, getAuditIdFromRes, VideoImportAuditView } from '../../../helpers/audit-logger'
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import { asyncMiddleware, asyncRetryTransactionMiddleware, authenticate, videoImportAddValidator } from '../../../middlewares'
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import {
CONFIG,
IMAGE_MIMETYPE_EXT,
PREVIEWS_SIZE,
sequelizeTypescript,
THUMBNAILS_SIZE,
TORRENT_MIMETYPE_EXT
} from '../../../initializers'
import { getYoutubeDLInfo, YoutubeDLInfo } from '../../../helpers/youtube-dl'
import { createReqFiles } from '../../../helpers/express-utils'
import { logger } from '../../../helpers/logger'
import { VideoImportCreate, VideoImportState, VideoPrivacy, VideoState } from '../../../../shared'
import { VideoModel } from '../../../models/video/video'
import { getVideoActivityPubUrl } from '../../../lib/activitypub'
import { TagModel } from '../../../models/video/tag'
import { VideoImportModel } from '../../../models/video/video-import'
import { JobQueue } from '../../../lib/job-queue/job-queue'
import { processImage } from '../../../helpers/image-utils'
import { join } from 'path'
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import { isArray } from '../../../helpers/custom-validators/misc'
import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
import { VideoChannelModel } from '../../../models/video/video-channel'
import * as Bluebird from 'bluebird'
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import * as parseTorrent from 'parse-torrent'
import { getSecureTorrentName } from '../../../helpers/utils'
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import { readFile, rename } from 'fs-extra'
const auditLogger = auditLoggerFactory('video-imports')
const videoImportsRouter = express.Router()
const reqVideoFileImport = createReqFiles(
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[ 'thumbnailfile', 'previewfile', 'torrentfile' ],
Object.assign({}, TORRENT_MIMETYPE_EXT, IMAGE_MIMETYPE_EXT),
{
thumbnailfile: CONFIG.STORAGE.THUMBNAILS_DIR,
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previewfile: CONFIG.STORAGE.PREVIEWS_DIR,
torrentfile: CONFIG.STORAGE.TORRENTS_DIR
}
)
videoImportsRouter.post('/imports',
authenticate,
reqVideoFileImport,
asyncMiddleware(videoImportAddValidator),
asyncRetryTransactionMiddleware(addVideoImport)
)
// ---------------------------------------------------------------------------
export {
videoImportsRouter
}
// ---------------------------------------------------------------------------
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function addVideoImport (req: express.Request, res: express.Response) {
if (req.body.targetUrl) return addYoutubeDLImport(req, res)
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const file = req.files && req.files['torrentfile'] ? req.files['torrentfile'][0] : undefined
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if (req.body.magnetUri || file) return addTorrentImport(req, res, file)
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}
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async function addTorrentImport (req: express.Request, res: express.Response, torrentfile: Express.Multer.File) {
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const body: VideoImportCreate = req.body
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const user = res.locals.oauth.token.User
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let videoName: string
let torrentName: string
let magnetUri: string
if (torrentfile) {
torrentName = torrentfile.originalname
// Rename the torrent to a secured name
const newTorrentPath = join(CONFIG.STORAGE.TORRENTS_DIR, getSecureTorrentName(torrentName))
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await rename(torrentfile.path, newTorrentPath)
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torrentfile.path = newTorrentPath
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const buf = await readFile(torrentfile.path)
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const parsedTorrent = parseTorrent(buf)
videoName = isArray(parsedTorrent.name) ? parsedTorrent.name[ 0 ] : parsedTorrent.name as string
} else {
magnetUri = body.magnetUri
const parsed = magnetUtil.decode(magnetUri)
videoName = isArray(parsed.name) ? parsed.name[ 0 ] : parsed.name as string
}
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const video = buildVideo(res.locals.videoChannel.id, body, { name: videoName })
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await processThumbnail(req, video)
await processPreview(req, video)
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const tags = body.tags || undefined
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const videoImportAttributes = {
magnetUri,
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torrentName,
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state: VideoImportState.PENDING,
userId: user.id
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}
const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
// Create job to import the video
const payload = {
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type: torrentfile ? 'torrent-file' as 'torrent-file' : 'magnet-uri' as 'magnet-uri',
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videoImportId: videoImport.id,
magnetUri
}
await JobQueue.Instance.createJob({ type: 'video-import', payload })
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auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
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return res.json(videoImport.toFormattedJSON()).end()
}
async function addYoutubeDLImport (req: express.Request, res: express.Response) {
const body: VideoImportCreate = req.body
const targetUrl = body.targetUrl
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const user = res.locals.oauth.token.User
let youtubeDLInfo: YoutubeDLInfo
try {
youtubeDLInfo = await getYoutubeDLInfo(targetUrl)
} catch (err) {
logger.info('Cannot fetch information from import for URL %s.', targetUrl, { err })
return res.status(400).json({
error: 'Cannot fetch remote information of this URL.'
}).end()
}
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const video = buildVideo(res.locals.videoChannel.id, body, youtubeDLInfo)
const downloadThumbnail = !await processThumbnail(req, video)
const downloadPreview = !await processPreview(req, video)
const tags = body.tags || youtubeDLInfo.tags
const videoImportAttributes = {
targetUrl,
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state: VideoImportState.PENDING,
userId: user.id
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}
const videoImport: VideoImportModel = await insertIntoDB(video, res.locals.videoChannel, tags, videoImportAttributes)
// Create job to import the video
const payload = {
type: 'youtube-dl' as 'youtube-dl',
videoImportId: videoImport.id,
thumbnailUrl: youtubeDLInfo.thumbnailUrl,
downloadThumbnail,
downloadPreview
}
await JobQueue.Instance.createJob({ type: 'video-import', payload })
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auditLogger.create(getAuditIdFromRes(res), new VideoImportAuditView(videoImport.toFormattedJSON()))
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return res.json(videoImport.toFormattedJSON()).end()
}
function buildVideo (channelId: number, body: VideoImportCreate, importData: YoutubeDLInfo) {
const videoData = {
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name: body.name || importData.name || 'Unknown name',
remote: false,
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category: body.category || importData.category,
licence: body.licence || importData.licence,
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language: body.language || undefined,
commentsEnabled: body.commentsEnabled || true,
waitTranscoding: body.waitTranscoding || false,
state: VideoState.TO_IMPORT,
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nsfw: body.nsfw || importData.nsfw || false,
description: body.description || importData.description,
support: body.support || null,
privacy: body.privacy || VideoPrivacy.PRIVATE,
duration: 0, // duration will be set by the import job
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channelId: channelId
}
const video = new VideoModel(videoData)
video.url = getVideoActivityPubUrl(video)
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return video
}
async function processThumbnail (req: express.Request, video: VideoModel) {
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const thumbnailField = req.files ? req.files['thumbnailfile'] : undefined
if (thumbnailField) {
const thumbnailPhysicalFile = thumbnailField[ 0 ]
await processImage(thumbnailPhysicalFile, join(CONFIG.STORAGE.THUMBNAILS_DIR, video.getThumbnailName()), THUMBNAILS_SIZE)
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return true
}
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return false
}
async function processPreview (req: express.Request, video: VideoModel) {
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const previewField = req.files ? req.files['previewfile'] : undefined
if (previewField) {
const previewPhysicalFile = previewField[0]
await processImage(previewPhysicalFile, join(CONFIG.STORAGE.PREVIEWS_DIR, video.getPreviewName()), PREVIEWS_SIZE)
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return true
}
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return false
}
function insertIntoDB (
video: VideoModel,
videoChannel: VideoChannelModel,
tags: string[],
videoImportAttributes: FilteredModelAttributes<VideoImportModel>
): Bluebird<VideoImportModel> {
return sequelizeTypescript.transaction(async t => {
const sequelizeOptions = { transaction: t }
// Save video object in database
const videoCreated = await video.save(sequelizeOptions)
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videoCreated.VideoChannel = videoChannel
// Set tags to the video
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if (tags) {
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const tagInstances = await TagModel.findOrCreateTags(tags, t)
await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
videoCreated.Tags = tagInstances
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} else {
videoCreated.Tags = []
}
// Create video import object in database
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const videoImport = await VideoImportModel.create(
Object.assign({ videoId: videoCreated.id }, videoImportAttributes),
sequelizeOptions
)
videoImport.Video = videoCreated
return videoImport
})
}