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 { getVideoAnnounceActivityPubUrl } 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 import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
  15
  16 async function shareVideoByServerAndChannel (video: VideoModel, t: Transaction) {
  17   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  18
  19   return Promise.all([
  20     shareByServer(video, t),
  21     shareByVideoChannel(video, t)
  22   ])
  23 }
  24
  25 async function changeVideoChannelShare (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
  26   logger.info('Updating video channel of video %s: %s -> %s.', video.uuid, oldVideoChannel.name, video.VideoChannel.name)
  27
  28   await undoShareByVideoChannel(video, oldVideoChannel, t)
  29
  30   await shareByVideoChannel(video, t)
  31 }
  32
  33 async function addVideoShares (shareUrls: string[], instance: VideoModel) {
  34   await Bluebird.map(shareUrls, async shareUrl => {
  35     try {
  36       // Fetch url
  37       const { body } = await doRequest({
  38         uri: shareUrl,
  39         json: true,
  40         activityPub: true
  41       })
  42       if (!body || !body.actor) throw new Error('Body or body actor is invalid')
  43
  44       const actorUrl = getAPUrl(body.actor)
  45       if (checkUrlsSameHost(shareUrl, actorUrl) !== true) {
  46         throw new Error(`Actor url ${actorUrl} has not the same host than the share url ${shareUrl}`)
  47       }
  48
  49       const actor = await getOrCreateActorAndServerAndModel(actorUrl)
  50
  51       const entry = {
  52         actorId: actor.id,
  53         videoId: instance.id,
  54         url: shareUrl
  55       }
  56
  57       await VideoShareModel.findOrCreate({
  58         where: {
  59           url: shareUrl
  60         },
  61         defaults: entry
  62       })
  63     } catch (err) {
  64       logger.warn('Cannot add share %s.', shareUrl, { err })
  65     }
  66   }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
  67 }
  68
  69 export {
  70   changeVideoChannelShare,
  71   addVideoShares,
  72   shareVideoByServerAndChannel
  73 }
  74
  75 // ---------------------------------------------------------------------------
  76
  77 async function shareByServer (video: VideoModel, t: Transaction) {
  78   const serverActor = await getServerActor()
  79
  80   const serverShareUrl = getVideoAnnounceActivityPubUrl(serverActor, video)
  81   const [ serverShare ] = await VideoShareModel.findOrCreate({
  82     defaults: {
  83       actorId: serverActor.id,
  84       videoId: video.id,
  85       url: serverShareUrl
  86     },
  87     where: {
  88       url: serverShareUrl
  89     },
  90     transaction: t
  91   })
  92
  93   return sendVideoAnnounce(serverActor, serverShare, video, t)
  94 }
  95
  96 async function shareByVideoChannel (video: VideoModel, t: Transaction) {
  97   const videoChannelShareUrl = getVideoAnnounceActivityPubUrl(video.VideoChannel.Actor, video)
  98   const [ videoChannelShare ] = await VideoShareModel.findOrCreate({
  99     defaults: {
 100       actorId: video.VideoChannel.actorId,
 101       videoId: video.id,
 102       url: videoChannelShareUrl
 103     },
 104     where: {
 105       url: videoChannelShareUrl
 106     },
 107     transaction: t
 108   })
 109
 110   return sendVideoAnnounce(video.VideoChannel.Actor, videoChannelShare, video, t)
 111 }
 112
 113 async function undoShareByVideoChannel (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
 114   // Load old share
 115   const oldShare = await VideoShareModel.load(oldVideoChannel.actorId, video.id, t)
 116   if (!oldShare) return new Error('Cannot find old video channel share ' + oldVideoChannel.actorId + ' for video ' + video.id)
 117
 118   await sendUndoAnnounce(oldVideoChannel.Actor, oldShare, video, t)
 119   await oldShare.destroy({ transaction: t })
 120 }