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073deef8 C |
1 | import { Transaction } from 'sequelize/types' |
2 | import { isBlockedByServerOrAccount } from '@server/lib/blocklist' | |
3 | import { AccountModel } from '@server/models/account/account' | |
7d9ba5c0 | 4 | import { getServerActor } from '@server/models/application/application' |
3fd3ab2d | 5 | import { ActivityFollow } from '../../../../shared/models/activitypub' |
da854ddd C |
6 | import { retryTransactionWrapper } from '../../../helpers/database-utils' |
7 | import { logger } from '../../../helpers/logger' | |
6dd9de95 | 8 | import { CONFIG } from '../../../initializers/config' |
7d9ba5c0 | 9 | import { sequelizeTypescript } from '../../../initializers/database' |
7e98a7df | 10 | import { getAPId } from '../../../lib/activitypub/activity' |
7d9ba5c0 C |
11 | import { ActorModel } from '../../../models/actor/actor' |
12 | import { ActorFollowModel } from '../../../models/actor/actor-follow' | |
26d6bf65 | 13 | import { APProcessorOptions } from '../../../types/activitypub-processor.model' |
073deef8 | 14 | import { MActorFollow, MActorFull, MActorId, MActorSignature } from '../../../types/models' |
7d9ba5c0 | 15 | import { Notifier } from '../../notifier' |
8424c402 | 16 | import { autoFollowBackIfNeeded } from '../follow' |
7d9ba5c0 | 17 | import { sendAccept, sendReject } from '../send' |
7a7724e6 | 18 | |
1198edf4 C |
19 | async function processFollowActivity (options: APProcessorOptions<ActivityFollow>) { |
20 | const { activity, byActor } = options | |
7a7724e6 | 21 | |
de94ac86 C |
22 | const activityId = activity.id |
23 | const objectId = getAPId(activity.object) | |
24 | ||
25 | return retryTransactionWrapper(processFollow, byActor, activityId, objectId) | |
7a7724e6 C |
26 | } |
27 | ||
28 | // --------------------------------------------------------------------------- | |
29 | ||
30 | export { | |
31 | processFollowActivity | |
32 | } | |
33 | ||
34 | // --------------------------------------------------------------------------- | |
35 | ||
de94ac86 | 36 | async function processFollow (byActor: MActorSignature, activityId: string, targetActorURL: string) { |
073deef8 | 37 | const { actorFollow, created, targetActor } = await sequelizeTypescript.transaction(async t => { |
e587e0ec | 38 | const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t) |
ce548a10 | 39 | |
50d6de9c C |
40 | if (!targetActor) throw new Error('Unknown actor') |
41 | if (targetActor.isOwned() === false) throw new Error('This is not a local actor.') | |
7a7724e6 | 42 | |
50cc1ee4 | 43 | if (await rejectIfInstanceFollowDisabled(byActor, activityId, targetActor)) return { actorFollow: undefined } |
073deef8 | 44 | if (await rejectIfMuted(byActor, activityId, targetActor)) return { actorFollow: undefined } |
5b9c965d | 45 | |
e1a570ab C |
46 | const [ actorFollow, created ] = await ActorFollowModel.findOrCreateCustom({ |
47 | byActor, | |
48 | targetActor, | |
49 | activityId, | |
a6b26afc | 50 | state: await isFollowingInstance(targetActor) && CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL |
e1a570ab C |
51 | ? 'pending' |
52 | : 'accepted', | |
53 | transaction: t | |
54 | }) | |
40ff5707 | 55 | |
073deef8 | 56 | if (rejectIfAlreadyRejected(actorFollow, byActor, activityId, targetActor)) return { actorFollow: undefined } |
4cbdcf44 | 57 | |
073deef8 | 58 | await acceptIfNeeded(actorFollow, targetActor, t) |
4cbdcf44 | 59 | |
073deef8 | 60 | await fixFollowURLIfNeeded(actorFollow, activityId, t) |
40ff5707 | 61 | |
5224c394 | 62 | actorFollow.ActorFollower = byActor |
50d6de9c | 63 | actorFollow.ActorFollowing = targetActor |
ce548a10 | 64 | |
50d6de9c | 65 | // Target sends to actor he accepted the follow request |
8424c402 | 66 | if (actorFollow.state === 'accepted') { |
eae0365b C |
67 | sendAccept(actorFollow) |
68 | ||
69 | await autoFollowBackIfNeeded(actorFollow, t) | |
8424c402 | 70 | } |
f7cc67b4 | 71 | |
073deef8 | 72 | return { actorFollow, created, targetActor } |
7a7724e6 | 73 | }) |
ce548a10 | 74 | |
883993c8 C |
75 | // Rejected |
76 | if (!actorFollow) return | |
77 | ||
78 | if (created) { | |
8424c402 C |
79 | const follower = await ActorModel.loadFull(byActor.id) |
80 | const actorFollowFull = Object.assign(actorFollow, { ActorFollowing: targetActor, ActorFollower: follower }) | |
81 | ||
50cc1ee4 | 82 | if (await isFollowingInstance(targetActor)) { |
8424c402 | 83 | Notifier.Instance.notifyOfNewInstanceFollow(actorFollowFull) |
453e83ea | 84 | } else { |
453e83ea C |
85 | Notifier.Instance.notifyOfNewUserFollow(actorFollowFull) |
86 | } | |
883993c8 | 87 | } |
f7cc67b4 | 88 | |
5224c394 | 89 | logger.info('Actor %s is followed by actor %s.', targetActorURL, byActor.url) |
7a7724e6 | 90 | } |
073deef8 | 91 | |
50cc1ee4 C |
92 | async function rejectIfInstanceFollowDisabled (byActor: MActorSignature, activityId: string, targetActor: MActorFull) { |
93 | if (await isFollowingInstance(targetActor) && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) { | |
073deef8 C |
94 | logger.info('Rejecting %s because instance followers are disabled.', targetActor.url) |
95 | ||
96 | sendReject(activityId, byActor, targetActor) | |
97 | ||
98 | return true | |
99 | } | |
100 | ||
101 | return false | |
102 | } | |
103 | ||
104 | async function rejectIfMuted (byActor: MActorSignature, activityId: string, targetActor: MActorFull) { | |
105 | const followerAccount = await AccountModel.load(byActor.Account.id) | |
106 | const followingAccountId = targetActor.Account | |
107 | ||
108 | if (followerAccount && await isBlockedByServerOrAccount(followerAccount, followingAccountId)) { | |
109 | logger.info('Rejecting %s because follower is muted.', byActor.url) | |
110 | ||
111 | sendReject(activityId, byActor, targetActor) | |
112 | ||
113 | return true | |
114 | } | |
115 | ||
116 | return false | |
117 | } | |
118 | ||
119 | function rejectIfAlreadyRejected (actorFollow: MActorFollow, byActor: MActorSignature, activityId: string, targetActor: MActorFull) { | |
120 | // Already rejected | |
121 | if (actorFollow.state === 'rejected') { | |
122 | logger.info('Rejecting %s because follow is already rejected.', byActor.url) | |
123 | ||
124 | sendReject(activityId, byActor, targetActor) | |
125 | ||
126 | return true | |
127 | } | |
128 | ||
129 | return false | |
130 | } | |
131 | ||
132 | async function acceptIfNeeded (actorFollow: MActorFollow, targetActor: MActorFull, transaction: Transaction) { | |
133 | // Set the follow as accepted if the remote actor follows a channel or account | |
134 | // Or if the instance automatically accepts followers | |
135 | if (actorFollow.state === 'accepted') return | |
50cc1ee4 | 136 | if (!await isFollowingInstance(targetActor)) return |
a6b26afc | 137 | if (CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL === true && await isFollowingInstance(targetActor)) return |
073deef8 C |
138 | |
139 | actorFollow.state = 'accepted' | |
140 | ||
141 | await actorFollow.save({ transaction }) | |
142 | } | |
143 | ||
144 | async function fixFollowURLIfNeeded (actorFollow: MActorFollow, activityId: string, transaction: Transaction) { | |
145 | // Before PeerTube V3 we did not save the follow ID. Try to fix these old follows | |
146 | if (!actorFollow.url) { | |
147 | actorFollow.url = activityId | |
148 | await actorFollow.save({ transaction }) | |
149 | } | |
150 | } | |
151 | ||
152 | async function isFollowingInstance (targetActor: MActorId) { | |
153 | const serverActor = await getServerActor() | |
154 | ||
155 | return targetActor.id === serverActor.id | |
156 | } |