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 { LocalVideoViewerModel } from '@server/models/view/local-video-viewer'
   5 import { HttpStatusCode } from '../../../../shared/models/http/http-error-codes'
   6 import { exists, isIdValid, isIntOrNull, toIntOrNull } from '../../../helpers/custom-validators/misc'
   7 import { logger } from '../../../helpers/logger'
   8 import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
   9
  10 const getVideoLocalViewerValidator = [
  11   param('localViewerId')
  12     .custom(isIdValid).withMessage('Should have a valid local viewer id'),
  13
  14   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  15     logger.debug('Checking getVideoLocalViewerValidator parameters', { parameters: req.params })
  16
  17     if (areValidationErrors(req, res)) return
  18
  19     const localViewer = await LocalVideoViewerModel.loadFullById(+req.params.localViewerId)
  20     if (!localViewer) {
  21       return res.fail({
  22         status: HttpStatusCode.NOT_FOUND_404,
  23         message: 'Local viewer not found'
  24       })
  25     }
  26
  27     res.locals.localViewerFull = localViewer
  28
  29     return next()
  30   }
  31 ]
  32
  33 const videoViewValidator = [
  34   isValidVideoIdParam('videoId'),
  35
  36   body('currentTime')
  37     .optional() // TODO: remove optional in a few versions, introduced in 4.2
  38     .customSanitizer(toIntOrNull)
  39     .custom(isIntOrNull).withMessage('Should have correct current time'),
  40
  41   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  42     logger.debug('Checking videoView parameters', { parameters: req.body })
  43
  44     if (areValidationErrors(req, res)) return
  45     if (!await doesVideoExist(req.params.videoId, res, 'only-video')) return
  46
  47     const video = res.locals.onlyVideo
  48     const videoDuration = video.isLive
  49       ? undefined
  50       : video.duration
  51
  52     if (!exists(req.body.currentTime)) { // TODO: remove in a few versions, introduced in 4.2
  53       req.body.currentTime = Math.min(videoDuration ?? 0, 30)
  54     }
  55
  56     const currentTime: number = req.body.currentTime
  57
  58     if (!isVideoTimeValid(currentTime, videoDuration)) {
  59       return res.fail({
  60         status: HttpStatusCode.BAD_REQUEST_400,
  61         message: 'Current time is invalid'
  62       })
  63     }
  64
  65     return next()
  66   }
  67 ]
  68
  69 // ---------------------------------------------------------------------------
  70
  71 export {
  72   videoViewValidator,
  73   getVideoLocalViewerValidator
  74 }