server/lib/activitypub/process/misc.ts

   1 import * as magnetUtil from 'magnet-uri'
   2 import { VideoTorrentObject } from '../../../../shared'
   3 import { VideoChannelObject } from '../../../../shared/models/activitypub/objects/video-channel-object'
   4 import { isVideoFileInfoHashValid } from '../../../helpers/custom-validators/videos'
   5 import { ACTIVITY_PUB, VIDEO_MIMETYPE_EXT } from '../../../initializers/constants'
   6 import { AccountInstance } from '../../../models/account/account-interface'
   7 import { VideoChannelInstance } from '../../../models/video/video-channel-interface'
   8 import { VideoFileAttributes } from '../../../models/video/video-file-interface'
   9 import { VideoAttributes, VideoInstance } from '../../../models/video/video-interface'
  10 import { VideoPrivacy } from '../../../../shared/models/videos/video-privacy.enum'
  11
  12 function videoChannelActivityObjectToDBAttributes (videoChannelObject: VideoChannelObject, account: AccountInstance) {
  13   return {
  14     name: videoChannelObject.name,
  15     description: videoChannelObject.content,
  16     uuid: videoChannelObject.uuid,
  17     url: videoChannelObject.id,
  18     createdAt: new Date(videoChannelObject.published),
  19     updatedAt: new Date(videoChannelObject.updated),
  20     remote: true,
  21     accountId: account.id
  22   }
  23 }
  24
  25 async function videoActivityObjectToDBAttributes (
  26   videoChannel: VideoChannelInstance,
  27   videoObject: VideoTorrentObject,
  28   to: string[] = [],
  29   cc: string[] = []
  30 ) {
  31   let privacy = VideoPrivacy.PRIVATE
  32   if (to.indexOf(ACTIVITY_PUB.PUBLIC) !== -1) privacy = VideoPrivacy.PUBLIC
  33   else if (cc.indexOf(ACTIVITY_PUB.PUBLIC) !== -1) privacy = VideoPrivacy.UNLISTED
  34
  35   const duration = videoObject.duration.replace(/[^\d]+/, '')
  36   let language = null
  37   if (videoObject.language) {
  38     language = parseInt(videoObject.language.identifier, 10)
  39   }
  40
  41   const videoData: VideoAttributes = {
  42     name: videoObject.name,
  43     uuid: videoObject.uuid,
  44     url: videoObject.id,
  45     category: parseInt(videoObject.category.identifier, 10),
  46     licence: parseInt(videoObject.licence.identifier, 10),
  47     language,
  48     nsfw: videoObject.nsfw,
  49     description: videoObject.content,
  50     channelId: videoChannel.id,
  51     duration: parseInt(duration, 10),
  52     createdAt: new Date(videoObject.published),
  53     // FIXME: updatedAt does not seems to be considered by Sequelize
  54     updatedAt: new Date(videoObject.updated),
  55     views: videoObject.views,
  56     likes: 0,
  57     dislikes: 0,
  58     remote: true,
  59     privacy
  60   }
  61
  62   return videoData
  63 }
  64
  65 function videoFileActivityUrlToDBAttributes (videoCreated: VideoInstance, videoObject: VideoTorrentObject) {
  66   const mimeTypes = Object.keys(VIDEO_MIMETYPE_EXT)
  67   const fileUrls = videoObject.url.filter(u => {
  68     return mimeTypes.indexOf(u.mimeType) !== -1 && u.mimeType.startsWith('video/')
  69   })
  70
  71   if (fileUrls.length === 0) {
  72     throw new Error('Cannot find video files for ' + videoCreated.url)
  73   }
  74
  75   const attributes: VideoFileAttributes[] = []
  76   for (const fileUrl of fileUrls) {
  77     // Fetch associated magnet uri
  78     const magnet = videoObject.url.find(u => {
  79       return u.mimeType === 'application/x-bittorrent;x-scheme-handler/magnet' && u.width === fileUrl.width
  80     })
  81
  82     if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.url)
  83
  84     const parsed = magnetUtil.decode(magnet.url)
  85     if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) throw new Error('Cannot parse magnet URI ' + magnet.url)
  86
  87     const attribute = {
  88       extname: VIDEO_MIMETYPE_EXT[fileUrl.mimeType],
  89       infoHash: parsed.infoHash,
  90       resolution: fileUrl.width,
  91       size: fileUrl.size,
  92       videoId: videoCreated.id
  93     }
  94     attributes.push(attribute)
  95   }
  96
  97   return attributes
  98 }
  99
 100 // ---------------------------------------------------------------------------
 101
 102 export {
 103   videoFileActivityUrlToDBAttributes,
 104   videoActivityObjectToDBAttributes,
 105   videoChannelActivityObjectToDBAttributes
 106 }