PeerTube/server/lib/video-pre-import.ts

313 lines
10 KiB
TypeScript

import { remove } from 'fs-extra'
import { moveAndProcessCaptionFile } from '@server/helpers/captions-utils'
import { isVTTFileValid } from '@server/helpers/custom-validators/video-captions'
import { isVideoFileExtnameValid } from '@server/helpers/custom-validators/videos'
import { isResolvingToUnicastOnly } from '@server/helpers/dns'
import { logger } from '@server/helpers/logger'
import { YoutubeDLInfo, YoutubeDLWrapper } from '@server/helpers/youtube-dl'
import { CONFIG } from '@server/initializers/config'
import { sequelizeTypescript } from '@server/initializers/database'
import { Hooks } from '@server/lib/plugins/hooks'
import { ServerConfigManager } from '@server/lib/server-config-manager'
import { setVideoTags } from '@server/lib/video'
import { autoBlacklistVideoIfNeeded } from '@server/lib/video-blacklist'
import { VideoModel } from '@server/models/video/video'
import { VideoCaptionModel } from '@server/models/video/video-caption'
import { VideoImportModel } from '@server/models/video/video-import'
import { FilteredModelAttributes } from '@server/types'
import {
MChannelAccountDefault,
MChannelSync,
MThumbnail,
MUser,
MVideoAccountDefault,
MVideoCaption,
MVideoImportFormattable,
MVideoTag,
MVideoThumbnail,
MVideoWithBlacklistLight
} from '@server/types/models'
import { ThumbnailType, VideoImportCreate, VideoImportPayload, VideoImportState, VideoPrivacy, VideoState } from '@shared/models'
import { getLocalVideoActivityPubUrl } from './activitypub/url'
import { updateVideoMiniatureFromExisting, updateVideoMiniatureFromUrl } from './thumbnail'
class YoutubeDlImportError extends Error {
code: YoutubeDlImportError.CODE
cause?: Error // Property to remove once ES2022 is used
constructor ({ message, code }) {
super(message)
this.code = code
}
static fromError (err: Error, code: YoutubeDlImportError.CODE, message?: string) {
const ytDlErr = new this({ message: message ?? err.message, code })
ytDlErr.cause = err
ytDlErr.stack = err.stack // Useless once ES2022 is used
return ytDlErr
}
}
namespace YoutubeDlImportError {
export enum CODE {
FETCH_ERROR,
NOT_ONLY_UNICAST_URL
}
}
// ---------------------------------------------------------------------------
async function insertFromImportIntoDB (parameters: {
video: MVideoThumbnail
thumbnailModel: MThumbnail
previewModel: MThumbnail
videoChannel: MChannelAccountDefault
tags: string[]
videoImportAttributes: FilteredModelAttributes<VideoImportModel>
user: MUser
}): Promise<MVideoImportFormattable> {
const { video, thumbnailModel, previewModel, videoChannel, tags, videoImportAttributes, user } = parameters
const videoImport = await sequelizeTypescript.transaction(async t => {
const sequelizeOptions = { transaction: t }
// Save video object in database
const videoCreated = await video.save(sequelizeOptions) as (MVideoAccountDefault & MVideoWithBlacklistLight & MVideoTag)
videoCreated.VideoChannel = videoChannel
if (thumbnailModel) await videoCreated.addAndSaveThumbnail(thumbnailModel, t)
if (previewModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
await autoBlacklistVideoIfNeeded({
video: videoCreated,
user,
notify: false,
isRemote: false,
isNew: true,
transaction: t
})
await setVideoTags({ video: videoCreated, tags, transaction: t })
// Create video import object in database
const videoImport = await VideoImportModel.create(
Object.assign({ videoId: videoCreated.id }, videoImportAttributes),
sequelizeOptions
) as MVideoImportFormattable
videoImport.Video = videoCreated
return videoImport
})
return videoImport
}
async function buildVideoFromImport ({ channelId, importData, importDataOverride, importType }: {
channelId: number
importData: YoutubeDLInfo
importDataOverride?: Partial<VideoImportCreate>
importType: 'url' | 'torrent'
}): Promise<MVideoThumbnail> {
let videoData = {
name: importDataOverride?.name || importData.name || 'Unknown name',
remote: false,
category: importDataOverride?.category || importData.category,
licence: importDataOverride?.licence ?? importData.licence ?? CONFIG.DEFAULTS.PUBLISH.LICENCE,
language: importDataOverride?.language || importData.language,
commentsEnabled: importDataOverride?.commentsEnabled ?? CONFIG.DEFAULTS.PUBLISH.COMMENTS_ENABLED,
downloadEnabled: importDataOverride?.downloadEnabled ?? CONFIG.DEFAULTS.PUBLISH.DOWNLOAD_ENABLED,
waitTranscoding: importDataOverride?.waitTranscoding ?? true,
state: VideoState.TO_IMPORT,
nsfw: importDataOverride?.nsfw || importData.nsfw || false,
description: importDataOverride?.description || importData.description,
support: importDataOverride?.support || null,
privacy: importDataOverride?.privacy || VideoPrivacy.PRIVATE,
duration: 0, // duration will be set by the import job
channelId,
originallyPublishedAt: importDataOverride?.originallyPublishedAt
? new Date(importDataOverride?.originallyPublishedAt)
: importData.originallyPublishedAtWithoutTime
}
videoData = await Hooks.wrapObject(
videoData,
importType === 'url'
? 'filter:api.video.import-url.video-attribute.result'
: 'filter:api.video.import-torrent.video-attribute.result'
)
const video = new VideoModel(videoData)
video.url = getLocalVideoActivityPubUrl(video)
return video
}
async function buildYoutubeDLImport (options: {
targetUrl: string
channel: MChannelAccountDefault
user: MUser
channelSync?: MChannelSync
importDataOverride?: Partial<VideoImportCreate>
thumbnailFilePath?: string
previewFilePath?: string
}) {
const { targetUrl, channel, channelSync, importDataOverride, thumbnailFilePath, previewFilePath, user } = options
const youtubeDL = new YoutubeDLWrapper(
targetUrl,
ServerConfigManager.Instance.getEnabledResolutions('vod'),
CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION
)
// Get video infos
let youtubeDLInfo: YoutubeDLInfo
try {
youtubeDLInfo = await youtubeDL.getInfoForDownload()
} catch (err) {
throw YoutubeDlImportError.fromError(
err, YoutubeDlImportError.CODE.FETCH_ERROR, `Cannot fetch information from import for URL ${targetUrl}`
)
}
if (!await hasUnicastURLsOnly(youtubeDLInfo)) {
throw new YoutubeDlImportError({
message: 'Cannot use non unicast IP as targetUrl.',
code: YoutubeDlImportError.CODE.NOT_ONLY_UNICAST_URL
})
}
const video = await buildVideoFromImport({
channelId: channel.id,
importData: youtubeDLInfo,
importDataOverride,
importType: 'url'
})
const thumbnailModel = await forgeThumbnail({
inputPath: thumbnailFilePath,
downloadUrl: youtubeDLInfo.thumbnailUrl,
video,
type: ThumbnailType.MINIATURE
})
const previewModel = await forgeThumbnail({
inputPath: previewFilePath,
downloadUrl: youtubeDLInfo.thumbnailUrl,
video,
type: ThumbnailType.PREVIEW
})
const videoImport = await insertFromImportIntoDB({
video,
thumbnailModel,
previewModel,
videoChannel: channel,
tags: importDataOverride?.tags || youtubeDLInfo.tags,
user,
videoImportAttributes: {
targetUrl,
state: VideoImportState.PENDING,
userId: user.id,
videoChannelSyncId: channelSync?.id
}
})
// Get video subtitles
await processYoutubeSubtitles(youtubeDL, targetUrl, video.id)
let fileExt = `.${youtubeDLInfo.ext}`
if (!isVideoFileExtnameValid(fileExt)) fileExt = '.mp4'
const payload: VideoImportPayload = {
type: 'youtube-dl' as 'youtube-dl',
videoImportId: videoImport.id,
fileExt,
// If part of a sync process, there is a parent job that will aggregate children results
preventException: !!channelSync
}
return {
videoImport,
job: { type: 'video-import' as 'video-import', payload }
}
}
// ---------------------------------------------------------------------------
export {
buildYoutubeDLImport,
YoutubeDlImportError,
insertFromImportIntoDB,
buildVideoFromImport
}
// ---------------------------------------------------------------------------
async function forgeThumbnail ({ inputPath, video, downloadUrl, type }: {
inputPath?: string
downloadUrl?: string
video: MVideoThumbnail
type: ThumbnailType
}): Promise<MThumbnail> {
if (inputPath) {
return updateVideoMiniatureFromExisting({
inputPath,
video,
type,
automaticallyGenerated: false
})
} else if (downloadUrl) {
try {
return await updateVideoMiniatureFromUrl({ downloadUrl, video, type })
} catch (err) {
logger.warn('Cannot process thumbnail %s from youtube-dl.', downloadUrl, { err })
}
}
return null
}
async function processYoutubeSubtitles (youtubeDL: YoutubeDLWrapper, targetUrl: string, videoId: number) {
try {
const subtitles = await youtubeDL.getSubtitles()
logger.info('Found %s subtitles candidates from youtube-dl import %s.', subtitles.length, targetUrl)
for (const subtitle of subtitles) {
if (!await isVTTFileValid(subtitle.path)) {
logger.info('%s is not a valid youtube-dl subtitle, skipping', subtitle.path)
await remove(subtitle.path)
continue
}
const videoCaption = new VideoCaptionModel({
videoId,
language: subtitle.language,
filename: VideoCaptionModel.generateCaptionName(subtitle.language)
}) as MVideoCaption
// Move physical file
await moveAndProcessCaptionFile(subtitle, videoCaption)
await sequelizeTypescript.transaction(async t => {
await VideoCaptionModel.insertOrReplaceLanguage(videoCaption, t)
})
logger.info('Added %s youtube-dl subtitle', subtitle.path)
}
} catch (err) {
logger.warn('Cannot get video subtitles.', { err })
}
}
async function hasUnicastURLsOnly (youtubeDLInfo: YoutubeDLInfo) {
const hosts = youtubeDLInfo.urls.map(u => new URL(u).hostname)
const uniqHosts = new Set(hosts)
for (const h of uniqHosts) {
if (await isResolvingToUnicastOnly(h) !== true) {
return false
}
}
return true
}