server/middlewares/validators/videos.js

   1 'use strict'
   2
   3 const checkErrors = require('./utils').checkErrors
   4 const constants = require('../../initializers/constants')
   5 const customVideosValidators = require('../../helpers/custom-validators').videos
   6 const db = require('../../initializers/database')
   7 const logger = require('../../helpers/logger')
   8
   9 const validatorsVideos = {
  10   videosAdd,
  11   videosUpdate,
  12   videosGet,
  13   videosRemove,
  14   videosSearch
  15 }
  16
  17 function videosAdd (req, res, next) {
  18   req.checkFiles('videofile[0].originalname', 'Should have an input video').notEmpty()
  19   // TODO: move to constants and function
  20   req.checkFiles('videofile[0].mimetype', 'Should have a correct mime type').matches(/video\/(webm)|(mp4)|(ogg)/i)
  21   req.checkBody('name', 'Should have a valid name').isVideoNameValid()
  22   req.checkBody('description', 'Should have a valid description').isVideoDescriptionValid()
  23   req.checkBody('tags', 'Should have correct tags').isVideoTagsValid()
  24
  25   logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  26
  27   checkErrors(req, res, function () {
  28     const videoFile = req.files.videofile[0]
  29
  30     db.Video.getDurationFromFile(videoFile.path, function (err, duration) {
  31       if (err) {
  32         return res.status(400).send('Cannot retrieve metadata of the file.')
  33       }
  34
  35       if (!customVideosValidators.isVideoDurationValid(duration)) {
  36         return res.status(400).send('Duration of the video file is too big (max: ' + constants.CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).')
  37       }
  38
  39       videoFile.duration = duration
  40       next()
  41     })
  42   })
  43 }
  44
  45 function videosUpdate (req, res, next) {
  46   req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
  47   req.checkBody('name', 'Should have a valid name').optional().isVideoNameValid()
  48   req.checkBody('description', 'Should have a valid description').optional().isVideoDescriptionValid()
  49   req.checkBody('tags', 'Should have correct tags').optional().isVideoTagsValid()
  50
  51   logger.debug('Checking videosUpdate parameters', { parameters: req.body })
  52
  53   checkErrors(req, res, function () {
  54     checkVideoExists(req.params.id, res, next)
  55   })
  56 }
  57
  58 function videosGet (req, res, next) {
  59   req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
  60
  61   logger.debug('Checking videosGet parameters', { parameters: req.params })
  62
  63   checkErrors(req, res, function () {
  64     checkVideoExists(req.params.id, res, next)
  65   })
  66 }
  67
  68 function videosRemove (req, res, next) {
  69   req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
  70
  71   logger.debug('Checking videosRemove parameters', { parameters: req.params })
  72
  73   checkErrors(req, res, function () {
  74     db.Video.loadAndPopulateAuthor(req.params.id, function (err, video) {
  75       if (err) {
  76         logger.error('Error in videosRemove request validator.', { error: err })
  77         return res.sendStatus(500)
  78       }
  79
  80       if (!video) return res.status(404).send('Video not found')
  81       else if (video.isOwned() === false) return res.status(403).send('Cannot remove video of another pod')
  82       else if (video.Author.name !== res.locals.oauth.token.user.username) return res.status(403).send('Cannot remove video of another user')
  83
  84       next()
  85     })
  86   })
  87 }
  88
  89 function videosSearch (req, res, next) {
  90   const searchableColumns = constants.SEARCHABLE_COLUMNS.VIDEOS
  91   req.checkParams('value', 'Should have a valid search').notEmpty()
  92   req.checkQuery('field', 'Should have correct searchable column').optional().isIn(searchableColumns)
  93
  94   logger.debug('Checking videosSearch parameters', { parameters: req.params })
  95
  96   checkErrors(req, res, next)
  97 }
  98
  99 // ---------------------------------------------------------------------------
 100
 101 module.exports = validatorsVideos
 102
 103 // ---------------------------------------------------------------------------
 104
 105 function checkVideoExists (id, res, callback) {
 106   db.Video.loadAndPopulateAuthorAndPodAndTags(id, function (err, video) {
 107     if (err) {
 108       logger.error('Error in video request validator.', { error: err })
 109       return res.sendStatus(500)
 110     }
 111
 112     if (!video) return res.status(404).send('Video not found')
 113
 114     res.locals.video = video
 115     callback()
 116   })
 117 }