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-rw-r--r--server/lib/schedulers/auto-follow-index-instances.ts72
1 files changed, 72 insertions, 0 deletions
diff --git a/server/lib/schedulers/auto-follow-index-instances.ts b/server/lib/schedulers/auto-follow-index-instances.ts
new file mode 100644
index 000000000..ef11fc87f
--- /dev/null
+++ b/server/lib/schedulers/auto-follow-index-instances.ts
@@ -0,0 +1,72 @@
1import { logger } from '../../helpers/logger'
2import { AbstractScheduler } from './abstract-scheduler'
3import { INSTANCES_INDEX, SCHEDULER_INTERVALS_MS, SERVER_ACTOR_NAME } from '../../initializers/constants'
4import { CONFIG } from '../../initializers/config'
5import { chunk } from 'lodash'
6import { doRequest } from '@server/helpers/requests'
7import { ActorFollowModel } from '@server/models/activitypub/actor-follow'
8import { JobQueue } from '@server/lib/job-queue'
9import { getServerActor } from '@server/helpers/utils'
10
11export class AutoFollowIndexInstances extends AbstractScheduler {
12
13 private static instance: AbstractScheduler
14
15 protected schedulerIntervalMs = SCHEDULER_INTERVALS_MS.autoFollowIndexInstances
16
17 private lastCheck: Date
18
19 private constructor () {
20 super()
21 }
22
23 protected async internalExecute () {
24 return this.autoFollow()
25 }
26
27 private async autoFollow () {
28 if (CONFIG.FOLLOWINGS.INSTANCE.AUTO_FOLLOW_INDEX.ENABLED === false) return
29
30 const indexUrl = CONFIG.FOLLOWINGS.INSTANCE.AUTO_FOLLOW_INDEX.INDEX_URL
31
32 logger.info('Auto follow instances of index %s.', indexUrl)
33
34 try {
35 const serverActor = await getServerActor()
36
37 const uri = indexUrl + INSTANCES_INDEX.HOSTS_PATH
38
39 const qs = this.lastCheck ? { since: this.lastCheck.toISOString() } : {}
40 this.lastCheck = new Date()
41
42 const { body } = await doRequest({ uri, qs, json: true })
43
44 const hosts: string[] = body.data.map(o => o.host)
45 const chunks = chunk(hosts, 20)
46
47 for (const chunk of chunks) {
48 const unfollowedHosts = await ActorFollowModel.keepUnfollowedInstance(chunk)
49
50 for (const unfollowedHost of unfollowedHosts) {
51 const payload = {
52 host: unfollowedHost,
53 name: SERVER_ACTOR_NAME,
54 followerActorId: serverActor.id,
55 isAutoFollow: true
56 }
57
58 await JobQueue.Instance.createJob({ type: 'activitypub-follow', payload })
59 .catch(err => logger.error('Cannot create follow job for %s.', unfollowedHost, err))
60 }
61 }
62
63 } catch (err) {
64 logger.error('Cannot auto follow hosts of index %s.', indexUrl, { err })
65 }
66
67 }
68
69 static get Instance () {
70 return this.instance || (this.instance = new this())
71 }
72}