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]+/, ''))
  38 }
  39
  40 function isVideoTorrentObjectValid (video: any) {
  41   return video.type === 'Video' &&
  42     isVideoNameValid(video.name) &&
  43     isActivityPubVideoDurationValid(video.duration) &&
  44     isUUIDValid(video.uuid) &&
  45     setValidRemoteTags(video) &&
  46     isRemoteIdentifierValid(video.category) &&
  47     isRemoteIdentifierValid(video.licence) &&
  48     isRemoteIdentifierValid(video.language) &&
  49     isVideoViewsValid(video.video) &&
  50     isVideoNSFWValid(video.nsfw) &&
  51     isDateValid(video.published) &&
  52     isDateValid(video.updated) &&
  53     isRemoteVideoContentValid(video.mediaType, video.content) &&
  54     isRemoteVideoIconValid(video.icon) &&
  55     setValidRemoteVideoUrls(video.url)
  56 }
  57
  58 function isVideoFlagValid (activity: any) {
  59   return isBaseActivityValid(activity, 'Flag') &&
  60     isVideoAbuseReasonValid(activity.content) &&
  61     isActivityPubUrlValid(activity.object)
  62 }
  63
  64 function isVideoAnnounceValid (activity: any) {
  65   return isBaseActivityValid(activity, 'Announce') &&
  66     isVideoTorrentObjectValid(activity.object)
  67 }
  68
  69 function isVideoChannelAnnounceValid (activity: any) {
  70   return isBaseActivityValid(activity, 'Announce') &&
  71     isVideoChannelObjectValid(activity.object)
  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     isVideoChannelNameValid(videoChannel.name) &&
  91     isVideoChannelDescriptionValid(videoChannel.description) &&
  92     isUUIDValid(videoChannel.uuid)
  93 }
  94
  95 // ---------------------------------------------------------------------------
  96
  97 export {
  98   isVideoTorrentAddActivityValid,
  99   isVideoChannelCreateActivityValid,
 100   isVideoTorrentUpdateActivityValid,
 101   isVideoChannelUpdateActivityValid,
 102   isVideoChannelDeleteActivityValid,
 103   isVideoTorrentDeleteActivityValid,
 104   isVideoFlagValid,
 105   isVideoAnnounceValid,
 106   isVideoChannelAnnounceValid
 107 }
 108
 109 // ---------------------------------------------------------------------------
 110
 111 function setValidRemoteTags (video: any) {
 112   if (Array.isArray(video.tag) === false) return false
 113
 114   const newTag = video.tag.filter(t => {
 115     return t.type === 'Hashtag' &&
 116       isVideoTagValid(t.name)
 117   })
 118
 119   video.tag = newTag
 120   return true
 121 }
 122
 123 function isRemoteIdentifierValid (data: any) {
 124   return validator.isInt(data.identifier, { min: 0 })
 125 }
 126
 127 function isRemoteVideoContentValid (mediaType: string, content: string) {
 128   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 129 }
 130
 131 function isRemoteVideoIconValid (icon: any) {
 132   return icon.type === 'Image' &&
 133     isVideoUrlValid(icon.url) &&
 134     icon.mediaType === 'image/jpeg' &&
 135     validator.isInt(icon.width, { min: 0 }) &&
 136     validator.isInt(icon.height, { min: 0 })
 137 }
 138
 139 function setValidRemoteVideoUrls (video: any) {
 140   if (Array.isArray(video.url) === false) return false
 141
 142   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 143   video.url = newUrl
 144
 145   return true
 146 }
 147
 148 function isRemoteVideoUrlValid (url: any) {
 149   return url.type === 'Link' &&
 150     ACTIVITY_PUB.VIDEO_URL_MIME_TYPES.indexOf(url.mimeType) !== -1 &&
 151     isVideoUrlValid(url.url) &&
 152     validator.isInt(url.width, { min: 0 }) &&
 153     validator.isInt(url.size, { min: 0 })
 154 }