server/lib/activitypub/share.ts

   1 import { Transaction } from 'sequelize'
   2 import { VideoPrivacy } from '../../../shared/models/videos'
   3 import { getServerActor } from '../../helpers/utils'
   4 import { VideoModel } from '../../models/video/video'
   5 import { VideoShareModel } from '../../models/video/video-share'
   6 import { sendUndoAnnounce, sendVideoAnnounce } from './send'
   7 import { getAnnounceActivityPubUrl } from './url'
   8 import { VideoChannelModel } from '../../models/video/video-channel'
   9 import * as Bluebird from 'bluebird'
  10 import { doRequest } from '../../helpers/requests'
  11 import { getOrCreateActorAndServerAndModel } from './actor'
  12 import { logger } from '../../helpers/logger'
  13 import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers'
  14
  15 async function shareVideoByServerAndChannel (video: VideoModel, t: Transaction) {
  16   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  17
  18   return Promise.all([
  19     shareByServer(video, t),
  20     shareByVideoChannel(video, t)
  21   ])
  22 }
  23
  24 async function changeVideoChannelShare (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
  25   await undoShareByVideoChannel(video, oldVideoChannel, t)
  26
  27   await shareByVideoChannel(video, t)
  28 }
  29
  30 async function addVideoShares (shareUrls: string[], instance: VideoModel) {
  31   await Bluebird.map(shareUrls, async shareUrl => {
  32     try {
  33       // Fetch url
  34       const { body } = await doRequest({
  35         uri: shareUrl,
  36         json: true,
  37         activityPub: true
  38       })
  39       if (!body || !body.actor) throw new Error('Body of body actor is invalid')
  40
  41       const actorUrl = body.actor
  42       const actor = await getOrCreateActorAndServerAndModel(actorUrl)
  43
  44       const entry = {
  45         actorId: actor.id,
  46         videoId: instance.id,
  47         url: shareUrl
  48       }
  49
  50       await VideoShareModel.findOrCreate({
  51         where: {
  52           url: shareUrl
  53         },
  54         defaults: entry
  55       })
  56     } catch (err) {
  57       logger.warn('Cannot add share %s.', shareUrl, { err })
  58     }
  59   }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
  60 }
  61
  62 export {
  63   changeVideoChannelShare,
  64   addVideoShares,
  65   shareVideoByServerAndChannel
  66 }
  67
  68 // ---------------------------------------------------------------------------
  69
  70 async function shareByServer (video: VideoModel, t: Transaction) {
  71   const serverActor = await getServerActor()
  72
  73   const serverShareUrl = getAnnounceActivityPubUrl(video.url, serverActor)
  74   return VideoShareModel.findOrCreate({
  75     defaults: {
  76       actorId: serverActor.id,
  77       videoId: video.id,
  78       url: serverShareUrl
  79     },
  80     where: {
  81       url: serverShareUrl
  82     },
  83     transaction: t
  84   }).then(([ serverShare, created ]) => {
  85     if (created) return sendVideoAnnounce(serverActor, serverShare, video, t)
  86
  87     return undefined
  88   })
  89 }
  90
  91 async function shareByVideoChannel (video: VideoModel, t: Transaction) {
  92   const videoChannelShareUrl = getAnnounceActivityPubUrl(video.url, video.VideoChannel.Actor)
  93   return VideoShareModel.findOrCreate({
  94     defaults: {
  95       actorId: video.VideoChannel.actorId,
  96       videoId: video.id,
  97       url: videoChannelShareUrl
  98     },
  99     where: {
 100       url: videoChannelShareUrl
 101     },
 102     transaction: t
 103   }).then(([ videoChannelShare, created ]) => {
 104     if (created) return sendVideoAnnounce(video.VideoChannel.Actor, videoChannelShare, video, t)
 105
 106     return undefined
 107   })
 108 }
 109
 110 async function undoShareByVideoChannel (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
 111   // Load old share
 112   const oldShare = await VideoShareModel.load(oldVideoChannel.actorId, video.id, t)
 113   if (!oldShare) return new Error('Cannot find old video channel share ' + oldVideoChannel.actorId + ' for video ' + video.id)
 114
 115   await sendUndoAnnounce(oldVideoChannel.Actor, oldShare, video, t)
 116   await oldShare.destroy({ transaction: t })
 117 }