server/middlewares/validators/videos.js

   1 'use strict'
   2
   3 const mongoose = require('mongoose')
   4
   5 const checkErrors = require('./utils').checkErrors
   6 const constants = require('../../initializers/constants')
   7 const customVideosValidators = require('../../helpers/custom-validators').videos
   8 const logger = require('../../helpers/logger')
   9
  10 const Video = mongoose.model('Video')
  11
  12 const validatorsVideos = {
  13   videosAdd: videosAdd,
  14   videosGet: videosGet,
  15   videosRemove: videosRemove,
  16   videosSearch: videosSearch
  17 }
  18
  19 function videosAdd (req, res, next) {
  20   req.checkFiles('videofile[0].originalname', 'Should have an input video').notEmpty()
  21   // TODO: move to constants and function
  22   req.checkFiles('videofile[0].mimetype', 'Should have a correct mime type').matches(/video\/(webm)|(mp4)|(ogg)/i)
  23   req.checkBody('name', 'Should have a valid name').isVideoNameValid()
  24   req.checkBody('description', 'Should have a valid description').isVideoDescriptionValid()
  25   req.checkBody('tags', 'Should have correct tags').isVideoTagsValid()
  26
  27   logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  28
  29   checkErrors(req, res, function () {
  30     const videoFile = req.files.videofile[0]
  31
  32     Video.getDurationFromFile(videoFile.path, function (err, duration) {
  33       if (err) {
  34         return res.status(400).send('Cannot retrieve metadata of the file.')
  35       }
  36
  37       if (!customVideosValidators.isVideoDurationValid(duration)) {
  38         return res.status(400).send('Duration of the video file is too big (max: ' + constants.CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).')
  39       }
  40
  41       videoFile.duration = duration
  42       next()
  43     })
  44   })
  45 }
  46
  47 function videosGet (req, res, next) {
  48   req.checkParams('id', 'Should have a valid id').notEmpty().isMongoId()
  49
  50   logger.debug('Checking videosGet parameters', { parameters: req.params })
  51
  52   checkErrors(req, res, function () {
  53     Video.load(req.params.id, function (err, video) {
  54       if (err) {
  55         logger.error('Error in videosGet request validator.', { error: err })
  56         return res.sendStatus(500)
  57       }
  58
  59       if (!video) return res.status(404).send('Video not found')
  60
  61       next()
  62     })
  63   })
  64 }
  65
  66 function videosRemove (req, res, next) {
  67   req.checkParams('id', 'Should have a valid id').notEmpty().isMongoId()
  68
  69   logger.debug('Checking videosRemove parameters', { parameters: req.params })
  70
  71   checkErrors(req, res, function () {
  72     Video.load(req.params.id, function (err, video) {
  73       if (err) {
  74         logger.error('Error in videosRemove request validator.', { error: err })
  75         return res.sendStatus(500)
  76       }
  77
  78       if (!video) return res.status(404).send('Video not found')
  79       else if (video.isOwned() === false) return res.status(403).send('Cannot remove video of another pod')
  80       else if (video.author !== res.locals.oauth.token.user.username) return res.status(403).send('Cannot remove video of another user')
  81
  82       next()
  83     })
  84   })
  85 }
  86
  87 function videosSearch (req, res, next) {
  88   const searchableColumns = constants.SEARCHABLE_COLUMNS.VIDEOS
  89   req.checkParams('value', 'Should have a valid search').notEmpty()
  90   req.checkQuery('field', 'Should have correct searchable column').optional().isIn(searchableColumns)
  91
  92   logger.debug('Checking videosSearch parameters', { parameters: req.params })
  93
  94   checkErrors(req, res, next)
  95 }
  96
  97 // ---------------------------------------------------------------------------
  98
  99 module.exports = validatorsVideos