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 { isVideoChannelDescriptionValid, isVideoChannelNameValid } from '../video-channels'
   5 import {
   6   isVideoAbuseReasonValid,
   7   isVideoDurationValid,
   8   isVideoNameValid,
   9   isVideoNSFWValid,
  10   isVideoTagValid,
  11   isVideoTruncatedDescriptionValid,
  12   isVideoUrlValid,
  13   isVideoViewsValid
  14 } from '../videos'
  15 import { isActivityPubUrlValid, isBaseActivityValid } from './misc'
  16
  17 function isVideoTorrentAddActivityValid (activity: any) {
  18   return isBaseActivityValid(activity, 'Add') &&
  19     isVideoTorrentObjectValid(activity.object)
  20 }
  21
  22 function isVideoTorrentUpdateActivityValid (activity: any) {
  23   return isBaseActivityValid(activity, 'Update') &&
  24     isVideoTorrentObjectValid(activity.object)
  25 }
  26
  27 function isVideoTorrentDeleteActivityValid (activity: any) {
  28   return isBaseActivityValid(activity, 'Delete')
  29 }
  30
  31 function isActivityPubVideoDurationValid (value: string) {
  32   // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
  33   return exists(value) &&
  34     typeof value === 'string' &&
  35     value.startsWith('PT') &&
  36     value.endsWith('S') &&
  37     isVideoDurationValid(value.replace(/[^0-9]+/g, ''))
  38 }
  39
  40 function isVideoTorrentObjectValid (video: any) {
  41   return video.type === 'Video' &&
  42     isActivityPubUrlValid(video.id) &&
  43     isVideoNameValid(video.name) &&
  44     isActivityPubVideoDurationValid(video.duration) &&
  45     isUUIDValid(video.uuid) &&
  46     setValidRemoteTags(video) &&
  47     isRemoteIdentifierValid(video.category) &&
  48     isRemoteIdentifierValid(video.licence) &&
  49     isRemoteIdentifierValid(video.language) &&
  50     isVideoViewsValid(video.views) &&
  51     isVideoNSFWValid(video.nsfw) &&
  52     isDateValid(video.published) &&
  53     isDateValid(video.updated) &&
  54     isRemoteVideoContentValid(video.mediaType, video.content) &&
  55     isRemoteVideoIconValid(video.icon) &&
  56     setValidRemoteVideoUrls(video) &&
  57     video.url.length !== 0
  58 }
  59
  60 function isVideoFlagValid (activity: any) {
  61   return isBaseActivityValid(activity, 'Flag') &&
  62     isVideoAbuseReasonValid(activity.content) &&
  63     isActivityPubUrlValid(activity.object)
  64 }
  65
  66 function isAnnounceValid (activity: any) {
  67   return isBaseActivityValid(activity, 'Announce') &&
  68     (
  69       isVideoChannelCreateActivityValid(activity.object) ||
  70       isVideoTorrentAddActivityValid(activity.object)
  71     )
  72 }
  73
  74 function isVideoChannelCreateActivityValid (activity: any) {
  75   return isBaseActivityValid(activity, 'Create') &&
  76     isVideoChannelObjectValid(activity.object)
  77 }
  78
  79 function isVideoChannelUpdateActivityValid (activity: any) {
  80   return isBaseActivityValid(activity, 'Update') &&
  81     isVideoChannelObjectValid(activity.object)
  82 }
  83
  84 function isVideoChannelDeleteActivityValid (activity: any) {
  85   return isBaseActivityValid(activity, 'Delete')
  86 }
  87
  88 function isVideoChannelObjectValid (videoChannel: any) {
  89   return videoChannel.type === 'VideoChannel' &&
  90     isActivityPubUrlValid(videoChannel.id) &&
  91     isVideoChannelNameValid(videoChannel.name) &&
  92     isVideoChannelDescriptionValid(videoChannel.content) &&
  93     isDateValid(videoChannel.published) &&
  94     isDateValid(videoChannel.updated) &&
  95     isUUIDValid(videoChannel.uuid)
  96 }
  97
  98 // ---------------------------------------------------------------------------
  99
 100 export {
 101   isVideoTorrentAddActivityValid,
 102   isVideoChannelCreateActivityValid,
 103   isVideoTorrentUpdateActivityValid,
 104   isVideoChannelUpdateActivityValid,
 105   isVideoChannelDeleteActivityValid,
 106   isVideoTorrentDeleteActivityValid,
 107   isVideoFlagValid,
 108   isAnnounceValid,
 109   isVideoChannelObjectValid
 110 }
 111
 112 // ---------------------------------------------------------------------------
 113
 114 function setValidRemoteTags (video: any) {
 115   if (Array.isArray(video.tag) === false) return false
 116
 117   const newTag = video.tag.filter(t => {
 118     return t.type === 'Hashtag' &&
 119       isVideoTagValid(t.name)
 120   })
 121
 122   video.tag = newTag
 123   return true
 124 }
 125
 126 function isRemoteIdentifierValid (data: any) {
 127   return validator.isInt(data.identifier, { min: 0 })
 128 }
 129
 130 function isRemoteVideoContentValid (mediaType: string, content: string) {
 131   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 132 }
 133
 134 function isRemoteVideoIconValid (icon: any) {
 135   return icon.type === 'Image' &&
 136     isVideoUrlValid(icon.url) &&
 137     icon.mediaType === 'image/jpeg' &&
 138     validator.isInt(icon.width + '', { min: 0 }) &&
 139     validator.isInt(icon.height + '', { min: 0 })
 140 }
 141
 142 function setValidRemoteVideoUrls (video: any) {
 143   if (Array.isArray(video.url) === false) return false
 144
 145   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 146   video.url = newUrl
 147
 148   return true
 149 }
 150
 151 function isRemoteVideoUrlValid (url: any) {
 152   return url.type === 'Link' &&
 153     (
 154       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
 155       isVideoUrlValid(url.url) &&
 156       validator.isInt(url.width + '', { min: 0 }) &&
 157       validator.isInt(url.size + '', { min: 0 })
 158     ) ||
 159     (
 160       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&
 161       isVideoUrlValid(url.url) &&
 162       validator.isInt(url.width + '', { min: 0 })
 163     ) ||
 164     (
 165       ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mimeType) !== -1 &&
 166       validator.isLength(url.url, { min: 5 }) &&
 167       validator.isInt(url.width + '', { min: 0 })
 168     )
 169 }