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
  60   return isActivityPubUrlValid(video.id) &&
  61     isVideoNameValid(video.name) &&
  62     isActivityPubVideoDurationValid(video.duration) &&
  63     isUUIDValid(video.uuid) &&
  64     (!video.category || isRemoteNumberIdentifierValid(video.category)) &&
  65     (!video.licence || isRemoteNumberIdentifierValid(video.licence)) &&
  66     (!video.language || isRemoteStringIdentifierValid(video.language)) &&
  67     isVideoViewsValid(video.views) &&
  68     isBooleanValid(video.sensitive) &&
  69     isBooleanValid(video.commentsEnabled) &&
  70     isDateValid(video.published) &&
  71     isDateValid(video.updated) &&
  72     (!video.content || isRemoteVideoContentValid(video.mediaType, video.content)) &&
  73     isRemoteVideoIconValid(video.icon) &&
  74     video.url.length !== 0 &&
  75     video.attributedTo.length !== 0
  76 }
  77
  78 function isRemoteVideoUrlValid (url: any) {
  79   // FIXME: Old bug, we used the width to represent the resolution. Remove it in a few release (currently beta.11)
  80   if (url.width && !url.height) url.height = url.width
  81
  82   return url.type === 'Link' &&
  83     (
  84       // TODO: remove mimeType (backward compatibility, introduced in v1.1.0)
  85       ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mediaType || url.mimeType) !== -1 &&
  86       isActivityPubUrlValid(url.href) &&
  87       validator.isInt(url.height + '', { min: 0 }) &&
  88       validator.isInt(url.size + '', { min: 0 }) &&
  89       (!url.fps || validator.isInt(url.fps + '', { min: -1 }))
  90     ) ||
  91     (
  92       ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mediaType || url.mimeType) !== -1 &&
  93       isActivityPubUrlValid(url.href) &&
  94       validator.isInt(url.height + '', { min: 0 })
  95     ) ||
  96     (
  97       ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mediaType || url.mimeType) !== -1 &&
  98       validator.isLength(url.href, { min: 5 }) &&
  99       validator.isInt(url.height + '', { min: 0 })
 100     )
 101 }
 102
 103 // ---------------------------------------------------------------------------
 104
 105 export {
 106   sanitizeAndCheckVideoTorrentCreateActivity,
 107   sanitizeAndCheckVideoTorrentUpdateActivity,
 108   isVideoTorrentDeleteActivityValid,
 109   isRemoteStringIdentifierValid,
 110   isVideoFlagValid,
 111   sanitizeAndCheckVideoTorrentObject,
 112   isRemoteVideoUrlValid
 113 }
 114
 115 // ---------------------------------------------------------------------------
 116
 117 function setValidRemoteTags (video: any) {
 118   if (Array.isArray(video.tag) === false) return false
 119
 120   video.tag = video.tag.filter(t => {
 121     return t.type === 'Hashtag' &&
 122       isVideoTagValid(t.name)
 123   })
 124
 125   return true
 126 }
 127
 128 function setValidRemoteCaptions (video: any) {
 129   if (!video.subtitleLanguage) video.subtitleLanguage = []
 130
 131   if (Array.isArray(video.subtitleLanguage) === false) return false
 132
 133   video.subtitleLanguage = video.subtitleLanguage.filter(caption => {
 134     return isRemoteStringIdentifierValid(caption)
 135   })
 136
 137   return true
 138 }
 139
 140 function isRemoteNumberIdentifierValid (data: any) {
 141   return validator.isInt(data.identifier, { min: 0 })
 142 }
 143
 144 function isRemoteStringIdentifierValid (data: any) {
 145   return typeof data.identifier === 'string'
 146 }
 147
 148 function isRemoteVideoContentValid (mediaType: string, content: string) {
 149   return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
 150 }
 151
 152 function isRemoteVideoIconValid (icon: any) {
 153   return icon.type === 'Image' &&
 154     isActivityPubUrlValid(icon.url) &&
 155     icon.mediaType === 'image/jpeg' &&
 156     validator.isInt(icon.width + '', { min: 0 }) &&
 157     validator.isInt(icon.height + '', { min: 0 })
 158 }
 159
 160 function setValidRemoteVideoUrls (video: any) {
 161   if (Array.isArray(video.url) === false) return false
 162
 163   video.url = video.url.filter(u => isRemoteVideoUrlValid(u))
 164
 165   return true
 166 }
 167
 168 function setRemoteVideoTruncatedContent (video: any) {
 169   if (video.content) {
 170     video.content = peertubeTruncate(video.content, CONSTRAINTS_FIELDS.VIDEOS.TRUNCATED_DESCRIPTION.max)
 171   }
 172
 173   return true
 174 }