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

   1 import express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { isVideoTimeValid } from '@server/helpers/custom-validators/video-view'
   4 import { getCachedVideoDuration } from '@server/lib/video'
   5 import { LocalVideoViewerModel } from '@server/models/view/local-video-viewer'
   6 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
   7 import { exists, isIdValid, isIntOrNull, toIntOrNull } from '../../../helpers/custom-validators/misc'
   8 import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
   9
  10 const getVideoLocalViewerValidator = [
  11   param('localViewerId')
  12     .custom(isIdValid),
  13
  14   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  15     if (areValidationErrors(req, res)) return
  16
  17     const localViewer = await LocalVideoViewerModel.loadFullById(+req.params.localViewerId)
  18     if (!localViewer) {
  19       return res.fail({
  20         status: HttpStatusCode.NOT_FOUND_404,
  21         message: 'Local viewer not found'
  22       })
  23     }
  24
  25     res.locals.localViewerFull = localViewer
  26
  27     return next()
  28   }
  29 ]
  30
  31 const videoViewValidator = [
  32   isValidVideoIdParam('videoId'),
  33
  34   body('currentTime')
  35     .optional() // TODO: remove optional in a few versions, introduced in 4.2
  36     .customSanitizer(toIntOrNull)
  37     .custom(isIntOrNull),
  38
  39   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  40     if (areValidationErrors(req, res)) return
  41     if (!await doesVideoExist(req.params.videoId, res, 'only-immutable-attributes')) return
  42
  43     const video = res.locals.onlyImmutableVideo
  44     const { duration } = await getCachedVideoDuration(video.id)
  45
  46     if (!exists(req.body.currentTime)) { // TODO: remove in a few versions, introduced in 4.2
  47       req.body.currentTime = Math.min(duration ?? 0, 30)
  48     }
  49
  50     const currentTime: number = req.body.currentTime
  51
  52     if (!isVideoTimeValid(currentTime, duration)) {
  53       return res.fail({
  54         status: HttpStatusCode.BAD_REQUEST_400,
  55         message: 'Current time is invalid'
  56       })
  57     }
  58
  59     return next()
  60   }
  61 ]
  62
  63 // ---------------------------------------------------------------------------
  64
  65 export {
  66   videoViewValidator,
  67   getVideoLocalViewerValidator
  68 }