server/helpers/customValidators.js

   1 'use strict'
   2
   3 const validator = require('express-validator').validator
   4
   5 const constants = require('../initializers/constants')
   6 const VIDEOS_CONSTRAINTS_FIELDS = constants.VIDEOS_CONSTRAINTS_FIELDS
   7
   8 const customValidators = {
   9   exists: exists,
  10   isEachRemoteVideosValid: isEachRemoteVideosValid,
  11   isArray: isArray,
  12   isVideoAuthorValid: isVideoAuthorValid,
  13   isVideoDateValid: isVideoDateValid,
  14   isVideoDescriptionValid: isVideoDescriptionValid,
  15   isVideoDurationValid: isVideoDurationValid,
  16   isVideoMagnetUriValid: isVideoMagnetUriValid,
  17   isVideoNameValid: isVideoNameValid,
  18   isVideoPodUrlValid: isVideoPodUrlValid,
  19   isVideoTagsValid: isVideoTagsValid,
  20   isVideoThumbnailValid: isVideoThumbnailValid
  21 }
  22
  23 function exists (value) {
  24   return value !== undefined && value !== null
  25 }
  26
  27 function isEachRemoteVideosValid (requests) {
  28   return requests.every(function (request) {
  29     const video = request.data
  30     return (
  31       isRequestTypeAddValid(request.type) &&
  32       isVideoAuthorValid(video.author) &&
  33       isVideoDateValid(video.createdDate) &&
  34       isVideoDescriptionValid(video.description) &&
  35       isVideoDurationValid(video.duration) &&
  36       isVideoMagnetUriValid(video.magnetUri) &&
  37       isVideoNameValid(video.name) &&
  38       isVideoPodUrlValid(video.podUrl) &&
  39       isVideoTagsValid(video.tags) &&
  40       isVideoThumbnailValid(video.thumbnailBase64)
  41     ) ||
  42     (
  43       isRequestTypeRemoveValid(request.type) &&
  44       isVideoNameValid(video.name) &&
  45       isVideoMagnetUriValid(video.magnetUri)
  46     )
  47   })
  48 }
  49
  50 function isArray (value) {
  51   return Array.isArray(value)
  52 }
  53
  54 function isRequestTypeAddValid (value) {
  55   return value === 'add'
  56 }
  57
  58 function isRequestTypeRemoveValid (value) {
  59   return value === 'remove'
  60 }
  61
  62 function isVideoAuthorValid (value) {
  63   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.AUTHOR)
  64 }
  65
  66 function isVideoDateValid (value) {
  67   return validator.isDate(value)
  68 }
  69
  70 function isVideoDescriptionValid (value) {
  71   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.DESCRIPTION)
  72 }
  73
  74 function isVideoDurationValid (value) {
  75   return validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.DURATION)
  76 }
  77
  78 function isVideoMagnetUriValid (value) {
  79   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.MAGNET_URI)
  80 }
  81
  82 function isVideoNameValid (value) {
  83   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.NAME)
  84 }
  85
  86 function isVideoPodUrlValid (value) {
  87   return validator.isURL(value)
  88 }
  89
  90 function isVideoTagsValid (tags) {
  91   return isArray(tags) &&
  92          validator.isInt(tags.length, VIDEOS_CONSTRAINTS_FIELDS.TAGS) &&
  93          tags.every(function (tag) {
  94            return validator.isAlphanumeric(tag) &&
  95                   validator.isLength(tag, VIDEOS_CONSTRAINTS_FIELDS.TAG)
  96          })
  97 }
  98
  99 function isVideoThumbnailValid (value) {
 100   return validator.isBase64(value) &&
 101          validator.isByteLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL)
 102 }
 103
 104 // ---------------------------------------------------------------------------
 105
 106 module.exports = customValidators
 107
 108 // ---------------------------------------------------------------------------