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import express from 'express'
import { body, param, query } from 'express-validator'
import { isResolvingToUnicastOnly } from '@server/helpers/dns'
import { isPreImportVideoAccepted } from '@server/lib/moderation'
import { Hooks } from '@server/lib/plugins/hooks'
import { MUserAccountId, MVideoImport } from '@server/types/models'
import { forceNumber } from '@shared/core-utils'
import { HttpStatusCode, UserRight, VideoImportState } from '@shared/models'
import { VideoImportCreate } from '@shared/models/videos/import/video-import-create.model'
import { isIdValid, toIntOrNull } from '../../../helpers/custom-validators/misc'
import { isVideoImportTargetUrlValid, isVideoImportTorrentFile } from '../../../helpers/custom-validators/video-imports'
import {
isValidPasswordProtectedPrivacy,
isVideoMagnetUriValid,
isVideoNameValid
} from '../../../helpers/custom-validators/videos'
import { cleanUpReqFiles } from '../../../helpers/express-utils'
import { logger } from '../../../helpers/logger'
import { CONFIG } from '../../../initializers/config'
import { CONSTRAINTS_FIELDS } from '../../../initializers/constants'
import { areValidationErrors, doesVideoChannelOfAccountExist, doesVideoImportExist } from '../shared'
import { getCommonVideoEditAttributes } from './videos'
const videoImportAddValidator = getCommonVideoEditAttributes().concat([
body('channelId')
.customSanitizer(toIntOrNull)
.custom(isIdValid),
body('targetUrl')
.optional()
.custom(isVideoImportTargetUrlValid),
body('magnetUri')
.optional()
.custom(isVideoMagnetUriValid),
body('torrentfile')
.custom((value, { req }) => isVideoImportTorrentFile(req.files))
.withMessage(
'This torrent file is not supported or too large. Please, make sure it is of the following type: ' +
CONSTRAINTS_FIELDS.VIDEO_IMPORTS.TORRENT_FILE.EXTNAME.join(', ')
),
body('name')
.optional()
.custom(isVideoNameValid).withMessage(
`Should have a video name between ${CONSTRAINTS_FIELDS.VIDEOS.NAME.min} and ${CONSTRAINTS_FIELDS.VIDEOS.NAME.max} characters long`
),
body('videoPasswords')
.optional()
.isArray()
.withMessage('Video passwords should be an array.'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
const user = res.locals.oauth.token.User
const torrentFile = req.files?.['torrentfile'] ? req.files['torrentfile'][0] : undefined
if (areValidationErrors(req, res)) return cleanUpReqFiles(req)
if (!isValidPasswordProtectedPrivacy(req, res)) return cleanUpReqFiles(req)
if (CONFIG.IMPORT.VIDEOS.HTTP.ENABLED !== true && req.body.targetUrl) {
cleanUpReqFiles(req)
return res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'HTTP import is not enabled on this instance.'
})
}
if (CONFIG.IMPORT.VIDEOS.TORRENT.ENABLED !== true && (req.body.magnetUri || torrentFile)) {
cleanUpReqFiles(req)
return res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'Torrent/magnet URI import is not enabled on this instance.'
})
}
if (!await doesVideoChannelOfAccountExist(req.body.channelId, user, res)) return cleanUpReqFiles(req)
// Check we have at least 1 required param
if (!req.body.targetUrl && !req.body.magnetUri && !torrentFile) {
cleanUpReqFiles(req)
return res.fail({ message: 'Should have a magnetUri or a targetUrl or a torrent file.' })
}
if (req.body.targetUrl) {
const hostname = new URL(req.body.targetUrl).hostname
if (await isResolvingToUnicastOnly(hostname) !== true) {
cleanUpReqFiles(req)
return res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot use non unicast IP as targetUrl.'
})
}
}
if (!await isImportAccepted(req, res)) return cleanUpReqFiles(req)
return next()
}
])
const getMyVideoImportsValidator = [
query('videoChannelSyncId')
.optional()
.custom(isIdValid),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
return next()
}
]
const videoImportDeleteValidator = [
param('id')
.custom(isIdValid),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await doesVideoImportExist(parseInt(req.params.id), res)) return
if (!checkUserCanManageImport(res.locals.oauth.token.user, res.locals.videoImport, res)) return
if (res.locals.videoImport.state === VideoImportState.PENDING) {
return res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'Cannot delete a pending video import. Cancel it or wait for the end of the import first.'
})
}
return next()
}
]
const videoImportCancelValidator = [
param('id')
.custom(isIdValid),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
if (areValidationErrors(req, res)) return
if (!await doesVideoImportExist(forceNumber(req.params.id), res)) return
if (!checkUserCanManageImport(res.locals.oauth.token.user, res.locals.videoImport, res)) return
if (res.locals.videoImport.state !== VideoImportState.PENDING) {
return res.fail({
status: HttpStatusCode.CONFLICT_409,
message: 'Cannot cancel a non pending video import.'
})
}
return next()
}
]
// ---------------------------------------------------------------------------
export {
videoImportAddValidator,
videoImportCancelValidator,
videoImportDeleteValidator,
getMyVideoImportsValidator
}
// ---------------------------------------------------------------------------
async function isImportAccepted (req: express.Request, res: express.Response) {
const body: VideoImportCreate = req.body
const hookName = body.targetUrl
? 'filter:api.video.pre-import-url.accept.result'
: 'filter:api.video.pre-import-torrent.accept.result'
// Check we accept this video
const acceptParameters = {
videoImportBody: body,
user: res.locals.oauth.token.User
}
const acceptedResult = await Hooks.wrapFun(
isPreImportVideoAccepted,
acceptParameters,
hookName
)
if (!acceptedResult || acceptedResult.accepted !== true) {
logger.info('Refused to import video.', { acceptedResult, acceptParameters })
res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: acceptedResult.errorMessage || 'Refused to import video'
})
return false
}
return true
}
function checkUserCanManageImport (user: MUserAccountId, videoImport: MVideoImport, res: express.Response) {
if (user.hasRight(UserRight.MANAGE_VIDEO_IMPORTS) === false && videoImport.userId !== user.id) {
res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Cannot manage video import of another user'
})
return false
}
return true
}
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