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, 'Create') &&
  62     activity.object.type === 'Flag' &&
  63     isVideoAbuseReasonValid(activity.object.content) &&
  64     isActivityPubUrlValid(activity.object.object)
  65 }
  66
  67 function isAnnounceValid (activity: any) {
  68   return isBaseActivityValid(activity, 'Announce') &&
  69     (
  70       isVideoChannelCreateActivityValid(activity.object) ||
  71       isVideoTorrentAddActivityValid(activity.object)
  72     )
  73 }
  74
  75 function isVideoChannelCreateActivityValid (activity: any) {
  76   return isBaseActivityValid(activity, 'Create') &&
  77     isVideoChannelObjectValid(activity.object)
  78 }
  79
  80 function isVideoChannelUpdateActivityValid (activity: any) {
  81   return isBaseActivityValid(activity, 'Update') &&
  82     isVideoChannelObjectValid(activity.object)
  83 }
  84
  85 function isVideoChannelDeleteActivityValid (activity: any) {
  86   return isBaseActivityValid(activity, 'Delete')
  87 }
  88
  89 function isVideoChannelObjectValid (videoChannel: any) {
  90   return videoChannel.type === 'VideoChannel' &&
  91     isActivityPubUrlValid(videoChannel.id) &&
  92     isVideoChannelNameValid(videoChannel.name) &&
  93     isVideoChannelDescriptionValid(videoChannel.content) &&
  94     isDateValid(videoChannel.published) &&
  95     isDateValid(videoChannel.updated) &&
  96     isUUIDValid(videoChannel.uuid)
  97 }
  98
  99 // ---------------------------------------------------------------------------
 100
 101 export {
 102   isVideoTorrentAddActivityValid,
 103   isVideoChannelCreateActivityValid,
 104   isVideoTorrentUpdateActivityValid,
 105   isVideoChannelUpdateActivityValid,
 106   isVideoChannelDeleteActivityValid,
 107   isVideoTorrentDeleteActivityValid,
 108   isVideoFlagValid,
 109   isAnnounceValid,
 110   isVideoChannelObjectValid
 111 }
 112
 113 // ---------------------------------------------------------------------------
 114
 115 function setValidRemoteTags (video: any) {
 116   if (Array.isArray(video.tag) === false) return false
 117
 118   const newTag = video.tag.filter(t => {
 119     return t.type === 'Hashtag' &&
 120       isVideoTagValid(t.name)
 121   })
 122
 123   video.tag = newTag
 124   return true
 125 }
 126
 127 function isRemoteIdentifierValid (data: any) {
 128   return validator.isInt(data.identifier, { min: 0 })
 129 }
 130
 131 function isRemoteVideoContentValid (mediaType: string, content: string) {
 132   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 133 }
 134
 135 function isRemoteVideoIconValid (icon: any) {
 136   return icon.type === 'Image' &&
 137     isVideoUrlValid(icon.url) &&
 138     icon.mediaType === 'image/jpeg' &&
 139     validator.isInt(icon.width + '', { min: 0 }) &&
 140     validator.isInt(icon.height + '', { min: 0 })
 141 }
 142
 143 function setValidRemoteVideoUrls (video: any) {
 144   if (Array.isArray(video.url) === false) return false
 145
 146   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 147   video.url = newUrl
 148
 149   return true
 150 }
 151
 152 function isRemoteVideoUrlValid (url: any) {
 153   return url.type === 'Link' &&
 154     (
 155       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
 156       isVideoUrlValid(url.url) &&
 157       validator.isInt(url.width + '', { min: 0 }) &&
 158       validator.isInt(url.size + '', { min: 0 })
 159     ) ||
 160     (
 161       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&
 162       isVideoUrlValid(url.url) &&
 163       validator.isInt(url.width + '', { min: 0 })
 164     ) ||
 165     (
 166       ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mimeType) !== -1 &&
 167       validator.isLength(url.url, { min: 5 }) &&
 168       validator.isInt(url.width + '', { min: 0 })
 169     )
 170 }