Merge branch 'release/v1.3.0' into develop
[oweals/peertube.git] / 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/constants'
14 import { checkUrlsSameHost, getAPId } 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 = getAPId(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.upsert(entry)
58     } catch (err) {
59       logger.warn('Cannot add share %s.', shareUrl, { err })
60     }
61   }, { concurrency: CRAWL_REQUEST_CONCURRENCY })
62 }
63
64 export {
65   changeVideoChannelShare,
66   addVideoShares,
67   shareVideoByServerAndChannel
68 }
69
70 // ---------------------------------------------------------------------------
71
72 async function shareByServer (video: VideoModel, t: Transaction) {
73   const serverActor = await getServerActor()
74
75   const serverShareUrl = getVideoAnnounceActivityPubUrl(serverActor, video)
76   const [ serverShare ] = await VideoShareModel.findOrCreate({
77     defaults: {
78       actorId: serverActor.id,
79       videoId: video.id,
80       url: serverShareUrl
81     },
82     where: {
83       url: serverShareUrl
84     },
85     transaction: t
86   })
87
88   return sendVideoAnnounce(serverActor, serverShare, video, t)
89 }
90
91 async function shareByVideoChannel (video: VideoModel, t: Transaction) {
92   const videoChannelShareUrl = getVideoAnnounceActivityPubUrl(video.VideoChannel.Actor, video)
93   const [ videoChannelShare ] = await 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   })
104
105   return sendVideoAnnounce(video.VideoChannel.Actor, videoChannelShare, video, t)
106 }
107
108 async function undoShareByVideoChannel (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
109   // Load old share
110   const oldShare = await VideoShareModel.load(oldVideoChannel.actorId, video.id, t)
111   if (!oldShare) return new Error('Cannot find old video channel share ' + oldVideoChannel.actorId + ' for video ' + video.id)
112
113   await sendUndoAnnounce(oldVideoChannel.Actor, oldShare, video, t)
114   await oldShare.destroy({ transaction: t })
115 }