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

   1 import * as validator from 'validator'
   2
   3 import {
   4   ACTIVITY_PUB
   5 } from '../../../initializers'
   6 import { isDateValid, isUUIDValid } from '../misc'
   7 import {
   8   isVideoViewsValid,
   9   isVideoNSFWValid,
  10   isVideoTruncatedDescriptionValid,
  11   isVideoDurationValid,
  12   isVideoNameValid,
  13   isVideoTagValid,
  14   isVideoUrlValid
  15 } from '../videos'
  16 import { isVideoChannelDescriptionValid, isVideoChannelNameValid } from '../video-channels'
  17 import { isBaseActivityValid } from './misc'
  18
  19 function isVideoTorrentAddActivityValid (activity: any) {
  20   return isBaseActivityValid(activity, 'Add') &&
  21     isVideoTorrentObjectValid(activity.object)
  22 }
  23
  24 function isVideoTorrentUpdateActivityValid (activity: any) {
  25   return isBaseActivityValid(activity, 'Update') &&
  26     isVideoTorrentObjectValid(activity.object)
  27 }
  28
  29 function isVideoTorrentObjectValid (video: any) {
  30   return video.type === 'Video' &&
  31     isVideoNameValid(video.name) &&
  32     isVideoDurationValid(video.duration) &&
  33     isUUIDValid(video.uuid) &&
  34     setValidRemoteTags(video) &&
  35     isRemoteIdentifierValid(video.category) &&
  36     isRemoteIdentifierValid(video.licence) &&
  37     isRemoteIdentifierValid(video.language) &&
  38     isVideoViewsValid(video.video) &&
  39     isVideoNSFWValid(video.nsfw) &&
  40     isDateValid(video.published) &&
  41     isDateValid(video.updated) &&
  42     isRemoteVideoContentValid(video.mediaType, video.content) &&
  43     isRemoteVideoIconValid(video.icon) &&
  44     setValidRemoteVideoUrls(video.url)
  45 }
  46
  47 function isVideoChannelCreateActivityValid (activity: any) {
  48   return isBaseActivityValid(activity, 'Create') &&
  49     isVideoChannelObjectValid(activity.object)
  50 }
  51
  52 function isVideoChannelUpdateActivityValid (activity: any) {
  53   return isBaseActivityValid(activity, 'Update') &&
  54     isVideoChannelObjectValid(activity.object)
  55 }
  56
  57 function isVideoChannelObjectValid (videoChannel: any) {
  58   return videoChannel.type === 'VideoChannel' &&
  59     isVideoChannelNameValid(videoChannel.name) &&
  60     isVideoChannelDescriptionValid(videoChannel.description) &&
  61     isUUIDValid(videoChannel.uuid)
  62 }
  63
  64 // ---------------------------------------------------------------------------
  65
  66 export {
  67   isVideoTorrentAddActivityValid,
  68   isVideoChannelCreateActivityValid,
  69   isVideoTorrentUpdateActivityValid,
  70   isVideoChannelUpdateActivityValid
  71 }
  72
  73 // ---------------------------------------------------------------------------
  74
  75 function setValidRemoteTags (video: any) {
  76   if (Array.isArray(video.tag) === false) return false
  77
  78   const newTag = video.tag.filter(t => {
  79     return t.type === 'Hashtag' &&
  80       isVideoTagValid(t.name)
  81   })
  82
  83   video.tag = newTag
  84   return true
  85 }
  86
  87 function isRemoteIdentifierValid (data: any) {
  88   return validator.isInt(data.identifier, { min: 0 })
  89 }
  90
  91 function isRemoteVideoContentValid (mediaType: string, content: string) {
  92   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
  93 }
  94
  95 function isRemoteVideoIconValid (icon: any) {
  96   return icon.type === 'Image' &&
  97     isVideoUrlValid(icon.url) &&
  98     icon.mediaType === 'image/jpeg' &&
  99     validator.isInt(icon.width, { min: 0 }) &&
 100     validator.isInt(icon.height, { min: 0 })
 101 }
 102
 103 function setValidRemoteVideoUrls (video: any) {
 104   if (Array.isArray(video.url) === false) return false
 105
 106   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 107   video.url = newUrl
 108
 109   return true
 110 }
 111
 112 function isRemoteVideoUrlValid (url: any) {
 113   return url.type === 'Link' &&
 114     ACTIVITY_PUB.VIDEO_URL_MIME_TYPES.indexOf(url.mimeType) !== -1 &&
 115     isVideoUrlValid(url.url) &&
 116     validator.isInt(url.width, { min: 0 }) &&
 117     validator.isInt(url.size, { min: 0 })
 118 }