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 { isActivityPubUrlValid, 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 isVideoTorrentDeleteActivityValid (activity: any) {
  30   return isBaseActivityValid(activity, 'Delete')
  31 }
  32
  33 function isVideoTorrentObjectValid (video: any) {
  34   return video.type === 'Video' &&
  35     isVideoNameValid(video.name) &&
  36     isVideoDurationValid(video.duration) &&
  37     isUUIDValid(video.uuid) &&
  38     setValidRemoteTags(video) &&
  39     isRemoteIdentifierValid(video.category) &&
  40     isRemoteIdentifierValid(video.licence) &&
  41     isRemoteIdentifierValid(video.language) &&
  42     isVideoViewsValid(video.video) &&
  43     isVideoNSFWValid(video.nsfw) &&
  44     isDateValid(video.published) &&
  45     isDateValid(video.updated) &&
  46     isRemoteVideoContentValid(video.mediaType, video.content) &&
  47     isRemoteVideoIconValid(video.icon) &&
  48     setValidRemoteVideoUrls(video.url)
  49 }
  50
  51 function isVideoChannelCreateActivityValid (activity: any) {
  52   return isBaseActivityValid(activity, 'Create') &&
  53     isVideoChannelObjectValid(activity.object)
  54 }
  55
  56 function isVideoChannelUpdateActivityValid (activity: any) {
  57   return isBaseActivityValid(activity, 'Update') &&
  58     isVideoChannelObjectValid(activity.object)
  59 }
  60
  61 function isVideoChannelDeleteActivityValid (activity: any) {
  62   return isBaseActivityValid(activity, 'Delete')
  63 }
  64
  65 function isVideoChannelObjectValid (videoChannel: any) {
  66   return videoChannel.type === 'VideoChannel' &&
  67     isVideoChannelNameValid(videoChannel.name) &&
  68     isVideoChannelDescriptionValid(videoChannel.description) &&
  69     isUUIDValid(videoChannel.uuid)
  70 }
  71
  72 // ---------------------------------------------------------------------------
  73
  74 export {
  75   isVideoTorrentAddActivityValid,
  76   isVideoChannelCreateActivityValid,
  77   isVideoTorrentUpdateActivityValid,
  78   isVideoChannelUpdateActivityValid,
  79   isVideoChannelDeleteActivityValid,
  80   isVideoTorrentDeleteActivityValid
  81 }
  82
  83 // ---------------------------------------------------------------------------
  84
  85 function setValidRemoteTags (video: any) {
  86   if (Array.isArray(video.tag) === false) return false
  87
  88   const newTag = video.tag.filter(t => {
  89     return t.type === 'Hashtag' &&
  90       isVideoTagValid(t.name)
  91   })
  92
  93   video.tag = newTag
  94   return true
  95 }
  96
  97 function isRemoteIdentifierValid (data: any) {
  98   return validator.isInt(data.identifier, { min: 0 })
  99 }
 100
 101 function isRemoteVideoContentValid (mediaType: string, content: string) {
 102   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 103 }
 104
 105 function isRemoteVideoIconValid (icon: any) {
 106   return icon.type === 'Image' &&
 107     isVideoUrlValid(icon.url) &&
 108     icon.mediaType === 'image/jpeg' &&
 109     validator.isInt(icon.width, { min: 0 }) &&
 110     validator.isInt(icon.height, { min: 0 })
 111 }
 112
 113 function setValidRemoteVideoUrls (video: any) {
 114   if (Array.isArray(video.url) === false) return false
 115
 116   const newUrl = video.url.filter(u => isRemoteVideoUrlValid(u))
 117   video.url = newUrl
 118
 119   return true
 120 }
 121
 122 function isRemoteVideoUrlValid (url: any) {
 123   return url.type === 'Link' &&
 124     ACTIVITY_PUB.VIDEO_URL_MIME_TYPES.indexOf(url.mimeType) !== -1 &&
 125     isVideoUrlValid(url.url) &&
 126     validator.isInt(url.width, { min: 0 }) &&
 127     validator.isInt(url.size, { min: 0 })
 128 }