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

   1 import express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { UserRight } from '@shared/models'
   4 import { isVideoCaptionFile, isVideoCaptionLanguageValid } from '../../../helpers/custom-validators/video-captions'
   5 import { cleanUpReqFiles } from '../../../helpers/express-utils'
   6 import { logger } from '../../../helpers/logger'
   7 import { CONSTRAINTS_FIELDS, MIMETYPES } from '../../../initializers/constants'
   8 import {
   9   areValidationErrors,
  10   checkCanSeeVideo,
  11   checkUserCanManageVideo,
  12   doesVideoCaptionExist,
  13   doesVideoExist,
  14   isValidVideoIdParam
  15 } from '../shared'
  16
  17 const addVideoCaptionValidator = [
  18   isValidVideoIdParam('videoId'),
  19
  20   param('captionLanguage')
  21     .custom(isVideoCaptionLanguageValid).not().isEmpty().withMessage('Should have a valid caption language'),
  22
  23   body('captionfile')
  24     .custom((_, { req }) => isVideoCaptionFile(req.files, 'captionfile'))
  25     .withMessage(
  26       'This caption file is not supported or too large. ' +
  27       `Please, make sure it is under ${CONSTRAINTS_FIELDS.VIDEO_CAPTIONS.CAPTION_FILE.FILE_SIZE.max} bytes ` +
  28       'and one of the following mimetypes: ' +
  29       Object.keys(MIMETYPES.VIDEO_CAPTIONS.MIMETYPE_EXT).map(key => `${key} (${MIMETYPES.VIDEO_CAPTIONS.MIMETYPE_EXT[key]})`).join(', ')
  30     ),
  31
  32   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  33     logger.debug('Checking addVideoCaption parameters', { parameters: req.body })
  34
  35     if (areValidationErrors(req, res)) return cleanUpReqFiles(req)
  36     if (!await doesVideoExist(req.params.videoId, res)) return cleanUpReqFiles(req)
  37
  38     // Check if the user who did the request is able to update the video
  39     const user = res.locals.oauth.token.User
  40     if (!checkUserCanManageVideo(user, res.locals.videoAll, UserRight.UPDATE_ANY_VIDEO, res)) return cleanUpReqFiles(req)
  41
  42     return next()
  43   }
  44 ]
  45
  46 const deleteVideoCaptionValidator = [
  47   isValidVideoIdParam('videoId'),
  48
  49   param('captionLanguage')
  50     .custom(isVideoCaptionLanguageValid).not().isEmpty().withMessage('Should have a valid caption language'),
  51
  52   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  53     logger.debug('Checking deleteVideoCaption parameters', { parameters: req.params })
  54
  55     if (areValidationErrors(req, res)) return
  56     if (!await doesVideoExist(req.params.videoId, res)) return
  57     if (!await doesVideoCaptionExist(res.locals.videoAll, req.params.captionLanguage, res)) return
  58
  59     // Check if the user who did the request is able to update the video
  60     const user = res.locals.oauth.token.User
  61     if (!checkUserCanManageVideo(user, res.locals.videoAll, UserRight.UPDATE_ANY_VIDEO, res)) return
  62
  63     return next()
  64   }
  65 ]
  66
  67 const listVideoCaptionsValidator = [
  68   isValidVideoIdParam('videoId'),
  69
  70   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  71     logger.debug('Checking listVideoCaptions parameters', { parameters: req.params })
  72
  73     if (areValidationErrors(req, res)) return
  74     if (!await doesVideoExist(req.params.videoId, res, 'only-video')) return
  75
  76     const video = res.locals.onlyVideo
  77     if (!await checkCanSeeVideo({ req, res, video, paramId: req.params.videoId })) return
  78
  79     return next()
  80   }
  81 ]
  82
  83 export {
  84   addVideoCaptionValidator,
  85   listVideoCaptionsValidator,
  86   deleteVideoCaptionValidator
  87 }