server/middlewares/validators/videos/video-imports.ts

   1 import express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { isResolvingToUnicastOnly } from '@server/helpers/dns'
   4 import { isPreImportVideoAccepted } from '@server/lib/moderation'
   5 import { Hooks } from '@server/lib/plugins/hooks'
   6 import { MUserAccountId, MVideoImport } from '@server/types/models'
   7 import { HttpStatusCode, UserRight, VideoImportState } from '@shared/models'
   8 import { VideoImportCreate } from '@shared/models/videos/import/video-import-create.model'
   9 import { isIdValid, toIntOrNull } from '../../../helpers/custom-validators/misc'
  10 import { isVideoImportTargetUrlValid, isVideoImportTorrentFile } from '../../../helpers/custom-validators/video-imports'
  11 import { isVideoMagnetUriValid, isVideoNameValid } from '../../../helpers/custom-validators/videos'
  12 import { cleanUpReqFiles } from '../../../helpers/express-utils'
  13 import { logger } from '../../../helpers/logger'
  14 import { CONFIG } from '../../../initializers/config'
  15 import { CONSTRAINTS_FIELDS } from '../../../initializers/constants'
  16 import { areValidationErrors, doesVideoChannelOfAccountExist, doesVideoImportExist } from '../shared'
  17 import { getCommonVideoEditAttributes } from './videos'
  18
  19 const videoImportAddValidator = getCommonVideoEditAttributes().concat([
  20   body('channelId')
  21     .customSanitizer(toIntOrNull)
  22     .custom(isIdValid).withMessage('Should have correct video channel id'),
  23   body('targetUrl')
  24     .optional()
  25     .custom(isVideoImportTargetUrlValid).withMessage('Should have a valid video import target URL'),
  26   body('magnetUri')
  27     .optional()
  28     .custom(isVideoMagnetUriValid).withMessage('Should have a valid video magnet URI'),
  29   body('torrentfile')
  30     .custom((value, { req }) => isVideoImportTorrentFile(req.files))
  31     .withMessage(
  32       'This torrent file is not supported or too large. Please, make sure it is of the following type: ' +
  33       CONSTRAINTS_FIELDS.VIDEO_IMPORTS.TORRENT_FILE.EXTNAME.join(', ')
  34     ),
  35   body('name')
  36     .optional()
  37     .custom(isVideoNameValid).withMessage(
  38       `Should have a video name between ${CONSTRAINTS_FIELDS.VIDEOS.NAME.min} and ${CONSTRAINTS_FIELDS.VIDEOS.NAME.max} characters long`
  39     ),
  40
  41   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  42     logger.debug('Checking videoImportAddValidator parameters', { parameters: req.body })
  43
  44     const user = res.locals.oauth.token.User
  45     const torrentFile = req.files?.['torrentfile'] ? req.files['torrentfile'][0] : undefined
  46
  47     if (areValidationErrors(req, res)) return cleanUpReqFiles(req)
  48
  49     if (CONFIG.IMPORT.VIDEOS.HTTP.ENABLED !== true && req.body.targetUrl) {
  50       cleanUpReqFiles(req)
  51
  52       return res.fail({
  53         status: HttpStatusCode.CONFLICT_409,
  54         message: 'HTTP import is not enabled on this instance.'
  55       })
  56     }
  57
  58     if (CONFIG.IMPORT.VIDEOS.TORRENT.ENABLED !== true && (req.body.magnetUri || torrentFile)) {
  59       cleanUpReqFiles(req)
  60
  61       return res.fail({
  62         status: HttpStatusCode.CONFLICT_409,
  63         message: 'Torrent/magnet URI import is not enabled on this instance.'
  64       })
  65     }
  66
  67     if (!await doesVideoChannelOfAccountExist(req.body.channelId, user, res)) return cleanUpReqFiles(req)
  68
  69     // Check we have at least 1 required param
  70     if (!req.body.targetUrl && !req.body.magnetUri && !torrentFile) {
  71       cleanUpReqFiles(req)
  72
  73       return res.fail({ message: 'Should have a magnetUri or a targetUrl or a torrent file.' })
  74     }
  75
  76     if (req.body.targetUrl) {
  77       const hostname = new URL(req.body.targetUrl).hostname
  78
  79       if (await isResolvingToUnicastOnly(hostname) !== true) {
  80         cleanUpReqFiles(req)
  81
  82         return res.fail({
  83           status: HttpStatusCode.FORBIDDEN_403,
  84           message: 'Cannot use non unicast IP as targetUrl.'
  85         })
  86       }
  87     }
  88
  89     if (!await isImportAccepted(req, res)) return cleanUpReqFiles(req)
  90
  91     return next()
  92   }
  93 ])
  94
  95 const videoImportDeleteValidator = [
  96   param('id')
  97     .custom(isIdValid).withMessage('Should have correct import id'),
  98
  99   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 100     logger.debug('Checking videoImportDeleteValidator parameters', { parameters: req.params })
 101
 102     if (areValidationErrors(req, res)) return
 103
 104     if (!await doesVideoImportExist(parseInt(req.params.id), res)) return
 105     if (!checkUserCanManageImport(res.locals.oauth.token.user, res.locals.videoImport, res)) return
 106
 107     if (res.locals.videoImport.state === VideoImportState.PENDING) {
 108       return res.fail({
 109         status: HttpStatusCode.CONFLICT_409,
 110         message: 'Cannot delete a pending video import. Cancel it or wait for the end of the import first.'
 111       })
 112     }
 113
 114     return next()
 115   }
 116 ]
 117
 118 const videoImportCancelValidator = [
 119   param('id')
 120     .custom(isIdValid).withMessage('Should have correct import id'),
 121
 122   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 123     logger.debug('Checking videoImportCancelValidator parameters', { parameters: req.params })
 124
 125     if (areValidationErrors(req, res)) return
 126
 127     if (!await doesVideoImportExist(parseInt(req.params.id), res)) return
 128     if (!checkUserCanManageImport(res.locals.oauth.token.user, res.locals.videoImport, res)) return
 129
 130     if (res.locals.videoImport.state !== VideoImportState.PENDING) {
 131       return res.fail({
 132         status: HttpStatusCode.CONFLICT_409,
 133         message: 'Cannot cancel a non pending video import.'
 134       })
 135     }
 136
 137     return next()
 138   }
 139 ]
 140
 141 // ---------------------------------------------------------------------------
 142
 143 export {
 144   videoImportAddValidator,
 145   videoImportCancelValidator,
 146   videoImportDeleteValidator
 147 }
 148
 149 // ---------------------------------------------------------------------------
 150
 151 async function isImportAccepted (req: express.Request, res: express.Response) {
 152   const body: VideoImportCreate = req.body
 153   const hookName = body.targetUrl
 154     ? 'filter:api.video.pre-import-url.accept.result'
 155     : 'filter:api.video.pre-import-torrent.accept.result'
 156
 157   // Check we accept this video
 158   const acceptParameters = {
 159     videoImportBody: body,
 160     user: res.locals.oauth.token.User
 161   }
 162   const acceptedResult = await Hooks.wrapFun(
 163     isPreImportVideoAccepted,
 164     acceptParameters,
 165     hookName
 166   )
 167
 168   if (!acceptedResult || acceptedResult.accepted !== true) {
 169     logger.info('Refused to import video.', { acceptedResult, acceptParameters })
 170
 171     res.fail({
 172       status: HttpStatusCode.FORBIDDEN_403,
 173       message: acceptedResult.errorMessage || 'Refused to import video'
 174     })
 175     return false
 176   }
 177
 178   return true
 179 }
 180
 181 function checkUserCanManageImport (user: MUserAccountId, videoImport: MVideoImport, res: express.Response) {
 182   if (user.hasRight(UserRight.MANAGE_VIDEO_IMPORTS) === false && videoImport.userId !== user.id) {
 183     res.fail({
 184       status: HttpStatusCode.FORBIDDEN_403,
 185       message: 'Cannot manage video import of another user'
 186     })
 187     return false
 188   }
 189
 190   return true
 191 }