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

   1 import * as validator from 'validator'
   2 import { ACTIVITY_PUB, CONSTRAINTS_FIELDS } from '../../../initializers'
   3 import { peertubeTruncate } from '../../core-utils'
   4 import { exists, isBooleanValid, isDateValid, isUUIDValid } from '../misc'
   5 import {
   6   isVideoDurationValid,
   7   isVideoNameValid,
   8   isVideoStateValid,
   9   isVideoTagValid,
  10   isVideoTruncatedDescriptionValid,
  11   isVideoViewsValid
  12 } from '../videos'
  13 import { isActivityPubUrlValid, isBaseActivityValid, setValidAttributedTo } from './misc'
  14 import { VideoState } from '../../../../shared/models/videos'
  15 import { isVideoAbuseReasonValid } from '../video-abuses'
  16
  17 function sanitizeAndCheckVideoTorrentCreateActivity (activity: any) {
  18   return isBaseActivityValid(activity, 'Create') &&
  19     sanitizeAndCheckVideoTorrentObject(activity.object)
  20 }
  21
  22 function sanitizeAndCheckVideoTorrentUpdateActivity (activity: any) {
  23   return isBaseActivityValid(activity, 'Update') &&
  24     sanitizeAndCheckVideoTorrentObject(activity.object)
  25 }
  26
  27 function isVideoTorrentDeleteActivityValid (activity: any) {
  28   return isBaseActivityValid(activity, 'Delete')
  29 }
  30
  31 function isVideoFlagValid (activity: any) {
  32   return isBaseActivityValid(activity, 'Create') &&
  33     activity.object.type === 'Flag' &&
  34     isVideoAbuseReasonValid(activity.object.content) &&
  35     isActivityPubUrlValid(activity.object.object)
  36 }
  37
  38 function isActivityPubVideoDurationValid (value: string) {
  39   // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
  40   return exists(value) &&
  41     typeof value === 'string' &&
  42     value.startsWith('PT') &&
  43     value.endsWith('S') &&
  44     isVideoDurationValid(value.replace(/[^0-9]+/g, ''))
  45 }
  46
  47 function sanitizeAndCheckVideoTorrentObject (video: any) {
  48   if (!video || video.type !== 'Video') return false
  49
  50   if (!setValidRemoteTags(video)) return false
  51   if (!setValidRemoteVideoUrls(video)) return false
  52   if (!setRemoteVideoTruncatedContent(video)) return false
  53   if (!setValidAttributedTo(video)) return false
  54   if (!setValidRemoteCaptions(video)) return false
  55
  56   // Default attributes
  57   if (!isVideoStateValid(video.state)) video.state = VideoState.PUBLISHED
  58   if (!isBooleanValid(video.waitTranscoding)) video.waitTranscoding = false
  59   if (!isBooleanValid(video.downloadEnabled)) video.downloadEnabled = true
  60
  61   return isActivityPubUrlValid(video.id) &&
  62     isVideoNameValid(video.name) &&
  63     isActivityPubVideoDurationValid(video.duration) &&
  64     isUUIDValid(video.uuid) &&
  65     (!video.category || isRemoteNumberIdentifierValid(video.category)) &&
  66     (!video.licence || isRemoteNumberIdentifierValid(video.licence)) &&
  67     (!video.language || isRemoteStringIdentifierValid(video.language)) &&
  68     isVideoViewsValid(video.views) &&
  69     isBooleanValid(video.sensitive) &&
  70     isBooleanValid(video.commentsEnabled) &&
  71     isBooleanValid(video.downloadEnabled) &&
  72     isDateValid(video.published) &&
  73     isDateValid(video.updated) &&
  74     (!video.content || isRemoteVideoContentValid(video.mediaType, video.content)) &&
  75     isRemoteVideoIconValid(video.icon) &&
  76     video.url.length !== 0 &&
  77     video.attributedTo.length !== 0
  78 }
  79
  80 function isRemoteVideoUrlValid (url: any) {
  81   // FIXME: Old bug, we used the width to represent the resolution. Remove it in a few release (currently beta.11)
  82   if (url.width && !url.height) url.height = url.width
  83
  84   return url.type === 'Link' &&
  85     (
  86       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
  87       isActivityPubUrlValid(url.href) &&
  88       validator.isInt(url.height + '', { min: 0 }) &&
  89       validator.isInt(url.size + '', { min: 0 }) &&
  90       (!url.fps || validator.isInt(url.fps + '', { min: -1 }))
  91     ) ||
  92     (
  93       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&
  94       isActivityPubUrlValid(url.href) &&
  95       validator.isInt(url.height + '', { min: 0 })
  96     ) ||
  97     (
  98       ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mimeType) !== -1 &&
  99       validator.isLength(url.href, { min: 5 }) &&
 100       validator.isInt(url.height + '', { min: 0 })
 101     )
 102 }
 103
 104 // ---------------------------------------------------------------------------
 105
 106 export {
 107   sanitizeAndCheckVideoTorrentCreateActivity,
 108   sanitizeAndCheckVideoTorrentUpdateActivity,
 109   isVideoTorrentDeleteActivityValid,
 110   isRemoteStringIdentifierValid,
 111   isVideoFlagValid,
 112   sanitizeAndCheckVideoTorrentObject,
 113   isRemoteVideoUrlValid
 114 }
 115
 116 // ---------------------------------------------------------------------------
 117
 118 function setValidRemoteTags (video: any) {
 119   if (Array.isArray(video.tag) === false) return false
 120
 121   video.tag = video.tag.filter(t => {
 122     return t.type === 'Hashtag' &&
 123       isVideoTagValid(t.name)
 124   })
 125
 126   return true
 127 }
 128
 129 function setValidRemoteCaptions (video: any) {
 130   if (!video.subtitleLanguage) video.subtitleLanguage = []
 131
 132   if (Array.isArray(video.subtitleLanguage) === false) return false
 133
 134   video.subtitleLanguage = video.subtitleLanguage.filter(caption => {
 135     return isRemoteStringIdentifierValid(caption)
 136   })
 137
 138   return true
 139 }
 140
 141 function isRemoteNumberIdentifierValid (data: any) {
 142   return validator.isInt(data.identifier, { min: 0 })
 143 }
 144
 145 function isRemoteStringIdentifierValid (data: any) {
 146   return typeof data.identifier === 'string'
 147 }
 148
 149 function isRemoteVideoContentValid (mediaType: string, content: string) {
 150   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 151 }
 152
 153 function isRemoteVideoIconValid (icon: any) {
 154   return icon.type === 'Image' &&
 155     isActivityPubUrlValid(icon.url) &&
 156     icon.mediaType === 'image/jpeg' &&
 157     validator.isInt(icon.width + '', { min: 0 }) &&
 158     validator.isInt(icon.height + '', { min: 0 })
 159 }
 160
 161 function setValidRemoteVideoUrls (video: any) {
 162   if (Array.isArray(video.url) === false) return false
 163
 164   video.url = video.url.filter(u => isRemoteVideoUrlValid(u))
 165
 166   return true
 167 }
 168
 169 function setRemoteVideoTruncatedContent (video: any) {
 170   if (video.content) {
 171     video.content = peertubeTruncate(video.content, CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max)
 172   }
 173
 174   return true
 175 }