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     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.views) &&
  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) &&
  56     video.url.length !== 0
  57 }
  58
  59 function isVideoFlagValid (activity: any) {
  60   return isBaseActivityValid(activity, 'Flag') &&
  61     isVideoAbuseReasonValid(activity.content) &&
  62     isActivityPubUrlValid(activity.object)
  63 }
  64
  65 function isVideoAnnounceValid (activity: any) {
  66   return isBaseActivityValid(activity, 'Announce') &&
  67     isVideoTorrentObjectValid(activity.object)
  68 }
  69
  70 function isVideoChannelAnnounceValid (activity: any) {
  71   return isBaseActivityValid(activity, 'Announce') &&
  72     isVideoChannelObjectValid(activity.object)
  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     isVideoChannelNameValid(videoChannel.name) &&
  92     isVideoChannelDescriptionValid(videoChannel.description) &&
  93     isUUIDValid(videoChannel.uuid)
  94 }
  95
  96 // ---------------------------------------------------------------------------
  97
  98 export {
  99   isVideoTorrentAddActivityValid,
 100   isVideoChannelCreateActivityValid,
 101   isVideoTorrentUpdateActivityValid,
 102   isVideoChannelUpdateActivityValid,
 103   isVideoChannelDeleteActivityValid,
 104   isVideoTorrentDeleteActivityValid,
 105   isVideoFlagValid,
 106   isVideoAnnounceValid,
 107   isVideoChannelAnnounceValid
 108 }
 109
 110 // ---------------------------------------------------------------------------
 111
 112 function setValidRemoteTags (video: any) {
 113   if (Array.isArray(video.tag) === false) return false
 114
 115   const newTag = video.tag.filter(t => {
 116     return t.type === 'Hashtag' &&
 117       isVideoTagValid(t.name)
 118   })
 119
 120   video.tag = newTag
 121   return true
 122 }
 123
 124 function isRemoteIdentifierValid (data: any) {
 125   return validator.isInt(data.identifier, { min: 0 })
 126 }
 127
 128 function isRemoteVideoContentValid (mediaType: string, content: string) {
 129   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 130 }
 131
 132 function isRemoteVideoIconValid (icon: any) {
 133   return icon.type === 'Image' &&
 134     isVideoUrlValid(icon.url) &&
 135     icon.mediaType === 'image/jpeg' &&
 136     validator.isInt(icon.width + '', { min: 0 }) &&
 137     validator.isInt(icon.height + '', { min: 0 })
 138 }
 139
 140 function setValidRemoteVideoUrls (video: any) {
 141   if (Array.isArray(video.url) === false) return false
 142
 143   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 144   video.url = newUrl
 145
 146   return true
 147 }
 148
 149 function isRemoteVideoUrlValid (url: any) {
 150   return url.type === 'Link' &&
 151     ACTIVITY_PUB.VIDEO_URL_MIME_TYPES.indexOf(url.mimeType) !== -1 &&
 152     isVideoUrlValid(url.url) &&
 153     validator.isInt(url.width + '', { min: 0 }) &&
 154     validator.isInt(url.size + '', { min: 0 })
 155 }