server/helpers/custom-validators/activitypub/videos.ts

   1 import * as validator from 'validator'
   2 import { ACTIVITY_PUB } from '../../../initializers'
   3 import { exists, isDateValid, isUUIDValid } from '../misc'
   4 import {
   5   isVideoAbuseReasonValid,
   6   isVideoDurationValid,
   7   isVideoNameValid,
   8   isVideoNSFWValid,
   9   isVideoTagValid,
  10   isVideoTruncatedDescriptionValid,
  11   isVideoViewsValid
  12 } from '../videos'
  13 import { isActivityPubUrlValid, isBaseActivityValid, setValidAttributedTo } from './misc'
  14
  15 function isVideoTorrentCreateActivityValid (activity: any) {
  16   return isBaseActivityValid(activity, 'Create') &&
  17     isVideoTorrentObjectValid(activity.object)
  18 }
  19
  20 function isVideoTorrentUpdateActivityValid (activity: any) {
  21   return isBaseActivityValid(activity, 'Update') &&
  22     isVideoTorrentObjectValid(activity.object)
  23 }
  24
  25 function isVideoTorrentDeleteActivityValid (activity: any) {
  26   return isBaseActivityValid(activity, 'Delete')
  27 }
  28
  29 function isVideoFlagValid (activity: any) {
  30   return isBaseActivityValid(activity, 'Create') &&
  31     activity.object.type === 'Flag' &&
  32     isVideoAbuseReasonValid(activity.object.content) &&
  33     isActivityPubUrlValid(activity.object.object)
  34 }
  35
  36 function isActivityPubVideoDurationValid (value: string) {
  37   // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
  38   return exists(value) &&
  39     typeof value === 'string' &&
  40     value.startsWith('PT') &&
  41     value.endsWith('S') &&
  42     isVideoDurationValid(value.replace(/[^0-9]+/g, ''))
  43 }
  44
  45 function isVideoTorrentObjectValid (video: any) {
  46   console.log(video)
  47
  48   return video.type === 'Video' &&
  49     isActivityPubUrlValid(video.id) &&
  50     isVideoNameValid(video.name) &&
  51     isActivityPubVideoDurationValid(video.duration) &&
  52     isUUIDValid(video.uuid) &&
  53     setValidRemoteTags(video) &&
  54     (!video.category || isRemoteIdentifierValid(video.category)) &&
  55     (!video.licence || isRemoteIdentifierValid(video.licence)) &&
  56     (!video.language || isRemoteIdentifierValid(video.language)) &&
  57     isVideoViewsValid(video.views) &&
  58     isVideoNSFWValid(video.nsfw) &&
  59     isDateValid(video.published) &&
  60     isDateValid(video.updated) &&
  61     (!video.content || isRemoteVideoContentValid(video.mediaType, video.content)) &&
  62     isRemoteVideoIconValid(video.icon) &&
  63     setValidRemoteVideoUrls(video) &&
  64     video.url.length !== 0 &&
  65     setValidAttributedTo(video) &&
  66     video.attributedTo.length !== 0
  67 }
  68
  69 // ---------------------------------------------------------------------------
  70
  71 export {
  72   isVideoTorrentCreateActivityValid,
  73   isVideoTorrentUpdateActivityValid,
  74   isVideoTorrentDeleteActivityValid,
  75   isVideoFlagValid
  76 }
  77
  78 // ---------------------------------------------------------------------------
  79
  80 function setValidRemoteTags (video: any) {
  81   if (Array.isArray(video.tag) === false) return false
  82
  83   video.tag = video.tag.filter(t => {
  84     return t.type === 'Hashtag' &&
  85       isVideoTagValid(t.name)
  86   })
  87
  88   return true
  89 }
  90
  91 function isRemoteIdentifierValid (data: any) {
  92   return validator.isInt(data.identifier, { min: 0 })
  93 }
  94
  95 function isRemoteVideoContentValid (mediaType: string, content: string) {
  96   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
  97 }
  98
  99 function isRemoteVideoIconValid (icon: any) {
 100   return icon.type === 'Image' &&
 101     isActivityPubUrlValid(icon.url) &&
 102     icon.mediaType === 'image/jpeg' &&
 103     validator.isInt(icon.width + '', { min: 0 }) &&
 104     validator.isInt(icon.height + '', { min: 0 })
 105 }
 106
 107 function setValidRemoteVideoUrls (video: any) {
 108   if (Array.isArray(video.url) === false) return false
 109
 110   video.url = video.url.filter(u => isRemoteVideoUrlValid(u))
 111
 112   return true
 113 }
 114
 115 function isRemoteVideoUrlValid (url: any) {
 116   return url.type === 'Link' &&
 117     (
 118       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
 119       isActivityPubUrlValid(url.url) &&
 120       validator.isInt(url.width + '', { min: 0 }) &&
 121       validator.isInt(url.size + '', { min: 0 })
 122     ) ||
 123     (
 124       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&
 125       isActivityPubUrlValid(url.url) &&
 126       validator.isInt(url.width + '', { min: 0 })
 127     ) ||
 128     (
 129       ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mimeType) !== -1 &&
 130       validator.isLength(url.url, { min: 5 }) &&
 131       validator.isInt(url.width + '', { min: 0 })
 132     )
 133 }