PeerTube/server/helpers/custom-validators/videos.ts

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import { Response } from 'express'
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import 'express-validator'
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import { values } from 'lodash'
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import 'multer'
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import * as validator from 'validator'
import { UserRight, VideoPrivacy, VideoRateType } from '../../../shared'
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import {
CONSTRAINTS_FIELDS,
VIDEO_CATEGORIES,
VIDEO_LICENCES,
VIDEO_MIMETYPE_EXT,
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VIDEO_PRIVACIES,
VIDEO_RATE_TYPES,
VIDEO_STATES
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} from '../../initializers'
import { VideoModel } from '../../models/video/video'
import { exists, isArray, isFileValid } from './misc'
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import { VideoChannelModel } from '../../models/video/video-channel'
import { UserModel } from '../../models/account/user'
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import * as magnetUtil from 'magnet-uri'
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import { fetchVideo, VideoFetchType } from '../video'
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const VIDEOS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.VIDEOS
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function isVideoCategoryValid (value: any) {
return value === null || VIDEO_CATEGORIES[ value ] !== undefined
}
function isVideoStateValid (value: any) {
return exists(value) && VIDEO_STATES[ value ] !== undefined
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}
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function isVideoLicenceValid (value: any) {
return value === null || VIDEO_LICENCES[ value ] !== undefined
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}
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function isVideoLanguageValid (value: any) {
return value === null ||
(typeof value === 'string' && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.LANGUAGE))
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}
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function isVideoDurationValid (value: string) {
return exists(value) && validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.DURATION)
}
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function isVideoTruncatedDescriptionValid (value: string) {
return exists(value) && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.TRUNCATED_DESCRIPTION)
}
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function isVideoDescriptionValid (value: string) {
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return value === null || (exists(value) && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.DESCRIPTION))
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}
function isVideoSupportValid (value: string) {
return value === null || (exists(value) && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.SUPPORT))
}
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function isVideoNameValid (value: string) {
return exists(value) && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.NAME)
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}
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function isVideoTagValid (tag: string) {
return exists(tag) && validator.isLength(tag, VIDEOS_CONSTRAINTS_FIELDS.TAG)
}
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function isVideoTagsValid (tags: string[]) {
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return tags === null || (
isArray(tags) &&
validator.isInt(tags.length.toString(), VIDEOS_CONSTRAINTS_FIELDS.TAGS) &&
tags.every(tag => isVideoTagValid(tag))
)
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}
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function isVideoViewsValid (value: string) {
return exists(value) && validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.VIEWS)
}
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function isVideoRatingTypeValid (value: string) {
return value === 'none' || values(VIDEO_RATE_TYPES).indexOf(value as VideoRateType) !== -1
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}
const videoFileTypes = Object.keys(VIDEO_MIMETYPE_EXT).map(m => `(${m})`)
const videoFileTypesRegex = videoFileTypes.join('|')
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function isVideoFile (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[]) {
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return isFileValid(files, videoFileTypesRegex, 'videofile', null)
}
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const videoImageTypes = CONSTRAINTS_FIELDS.VIDEOS.IMAGE.EXTNAME
.map(v => v.replace('.', ''))
.join('|')
const videoImageTypesRegex = `image/(${videoImageTypes})`
function isVideoImage (files: { [ fieldname: string ]: Express.Multer.File[] } | Express.Multer.File[], field: string) {
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return isFileValid(files, videoImageTypesRegex, field, CONSTRAINTS_FIELDS.VIDEOS.IMAGE.FILE_SIZE.max, true)
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}
function isVideoPrivacyValid (value: number) {
return validator.isInt(value + '') && VIDEO_PRIVACIES[ value ] !== undefined
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}
function isScheduleVideoUpdatePrivacyValid (value: number) {
return validator.isInt(value + '') &&
(
value === VideoPrivacy.UNLISTED ||
value === VideoPrivacy.PUBLIC
)
}
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function isVideoFileInfoHashValid (value: string | null | undefined) {
return exists(value) && validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.INFO_HASH)
}
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function isVideoFileResolutionValid (value: string) {
return exists(value) && validator.isInt(value + '')
}
function isVideoFPSResolutionValid (value: string) {
return value === null || validator.isInt(value + '')
}
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function isVideoFileSizeValid (value: string) {
return exists(value) && validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.FILE_SIZE)
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}
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function isVideoMagnetUriValid (value: string) {
if (!exists(value)) return false
const parsed = magnetUtil.decode(value)
return parsed && isVideoFileInfoHashValid(parsed.infoHash)
}
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function checkUserCanManageVideo (user: UserModel, video: VideoModel, right: UserRight, res: Response) {
// Retrieve the user who did the request
if (video.isOwned() === false) {
res.status(403)
.json({ error: 'Cannot manage a video of another server.' })
.end()
return false
}
// Check if the user can delete the video
// The user can delete it if he has the right
// Or if s/he is the video's account
const account = video.VideoChannel.Account
if (user.hasRight(right) === false && account.userId !== user.id) {
res.status(403)
.json({ error: 'Cannot manage a video of another user.' })
.end()
return false
}
return true
}
async function isVideoExist (id: string, res: Response, fetchType: VideoFetchType = 'all') {
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const video = await fetchVideo(id, fetchType)
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if (video === null) {
res.status(404)
.json({ error: 'Video not found' })
.end()
return false
}
if (fetchType !== 'none') res.locals.video = video
return true
}
async function isVideoChannelOfAccountExist (channelId: number, user: UserModel, res: Response) {
if (user.hasRight(UserRight.UPDATE_ANY_VIDEO) === true) {
const videoChannel = await VideoChannelModel.loadAndPopulateAccount(channelId)
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if (videoChannel === null) {
res.status(400)
.json({ error: 'Unknown video `video channel` on this instance.' })
.end()
return false
}
res.locals.videoChannel = videoChannel
return true
}
const videoChannel = await VideoChannelModel.loadByIdAndAccount(channelId, user.Account.id)
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if (videoChannel === null) {
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res.status(400)
.json({ error: 'Unknown video `video channel` for this account.' })
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.end()
return false
}
res.locals.videoChannel = videoChannel
return true
}
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// ---------------------------------------------------------------------------
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export {
isVideoCategoryValid,
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checkUserCanManageVideo,
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isVideoLicenceValid,
isVideoLanguageValid,
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isVideoTruncatedDescriptionValid,
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isVideoDescriptionValid,
isVideoFileInfoHashValid,
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isVideoNameValid,
isVideoTagsValid,
isVideoFPSResolutionValid,
isScheduleVideoUpdatePrivacyValid,
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isVideoFile,
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isVideoMagnetUriValid,
isVideoStateValid,
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isVideoViewsValid,
isVideoRatingTypeValid,
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isVideoDurationValid,
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isVideoTagValid,
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isVideoPrivacyValid,
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isVideoFileResolutionValid,
isVideoFileSizeValid,
isVideoExist,
isVideoImage,
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isVideoChannelOfAccountExist,
isVideoSupportValid
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}