server/helpers/custom-validators.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   isVideoThumbnail64Valid: isVideoThumbnail64Valid
  22 }
  23
  24 function exists (value) {
  25   return value !== undefined && value !== null
  26 }
  27
  28 function isEachRemoteVideosValid (requests) {
  29   return requests.every(function (request) {
  30     const video = request.data
  31     return (
  32       isRequestTypeAddValid(request.type) &&
  33       isVideoAuthorValid(video.author) &&
  34       isVideoDateValid(video.createdDate) &&
  35       isVideoDescriptionValid(video.description) &&
  36       isVideoDurationValid(video.duration) &&
  37       isVideoMagnetUriValid(video.magnetUri) &&
  38       isVideoNameValid(video.name) &&
  39       isVideoPodUrlValid(video.podUrl) &&
  40       isVideoTagsValid(video.tags) &&
  41       isVideoThumbnail64Valid(video.thumbnailBase64)
  42     ) ||
  43     (
  44       isRequestTypeRemoveValid(request.type) &&
  45       isVideoNameValid(video.name) &&
  46       isVideoMagnetUriValid(video.magnetUri)
  47     )
  48   })
  49 }
  50
  51 function isArray (value) {
  52   return Array.isArray(value)
  53 }
  54
  55 function isRequestTypeAddValid (value) {
  56   return value === 'add'
  57 }
  58
  59 function isRequestTypeRemoveValid (value) {
  60   return value === 'remove'
  61 }
  62
  63 function isVideoAuthorValid (value) {
  64   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.AUTHOR)
  65 }
  66
  67 function isVideoDateValid (value) {
  68   return validator.isDate(value)
  69 }
  70
  71 function isVideoDescriptionValid (value) {
  72   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.DESCRIPTION)
  73 }
  74
  75 function isVideoDurationValid (value) {
  76   return validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.DURATION)
  77 }
  78
  79 function isVideoMagnetUriValid (value) {
  80   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.MAGNET_URI)
  81 }
  82
  83 function isVideoNameValid (value) {
  84   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.NAME)
  85 }
  86
  87 function isVideoPodUrlValid (value) {
  88   // TODO: set options (TLD...)
  89   return validator.isURL(value)
  90 }
  91
  92 function isVideoTagsValid (tags) {
  93   return isArray(tags) &&
  94          validator.isInt(tags.length, VIDEOS_CONSTRAINTS_FIELDS.TAGS) &&
  95          tags.every(function (tag) {
  96            return validator.isAlphanumeric(tag) &&
  97                   validator.isLength(tag, VIDEOS_CONSTRAINTS_FIELDS.TAG)
  98          })
  99 }
 100
 101 function isVideoThumbnailValid (value) {
 102   return validator.isLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL)
 103 }
 104
 105 function isVideoThumbnail64Valid (value) {
 106   return validator.isBase64(value) &&
 107          validator.isByteLength(value, VIDEOS_CONSTRAINTS_FIELDS.THUMBNAIL64)
 108 }
 109
 110 // ---------------------------------------------------------------------------
 111
 112 module.exports = customValidators
 113
 114 // ---------------------------------------------------------------------------