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1 | import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo } from '../../../../shared/models/activitypub' | |
2 | import { DislikeObject } from '../../../../shared/models/activitypub/objects' | |
3 | import { getActorUrl } from '../../../helpers/activitypub' | |
4 | import { retryTransactionWrapper } from '../../../helpers/database-utils' | |
5 | import { logger } from '../../../helpers/logger' | |
6 | import { sequelizeTypescript } from '../../../initializers' | |
7 | import { AccountModel } from '../../../models/account/account' | |
8 | import { AccountVideoRateModel } from '../../../models/account/account-video-rate' | |
9 | import { ActorModel } from '../../../models/activitypub/actor' | |
10 | import { ActorFollowModel } from '../../../models/activitypub/actor-follow' | |
11 | import { forwardActivity } from '../send/utils' | |
12 | import { getOrCreateAccountAndVideoAndChannel } from '../videos' | |
13 | import { VideoShareModel } from '../../../models/video/video-share' | |
14 | ||
15 | async function processUndoActivity (activity: ActivityUndo) { | |
16 | const activityToUndo = activity.object | |
17 | ||
18 | const actorUrl = getActorUrl(activity.actor) | |
19 | ||
20 | if (activityToUndo.type === 'Like') { | |
21 | return processUndoLike(actorUrl, activity) | |
22 | } else if (activityToUndo.type === 'Create' && activityToUndo.object.type === 'Dislike') { | |
23 | return processUndoDislike(actorUrl, activity) | |
24 | } else if (activityToUndo.type === 'Follow') { | |
25 | return processUndoFollow(actorUrl, activityToUndo) | |
26 | } else if (activityToUndo.type === 'Announce') { | |
27 | return processUndoAnnounce(actorUrl, activityToUndo) | |
28 | } | |
29 | ||
30 | logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id }) | |
31 | ||
32 | return undefined | |
33 | } | |
34 | ||
35 | // --------------------------------------------------------------------------- | |
36 | ||
37 | export { | |
38 | processUndoActivity | |
39 | } | |
40 | ||
41 | // --------------------------------------------------------------------------- | |
42 | ||
43 | function processUndoLike (actorUrl: string, activity: ActivityUndo) { | |
44 | const options = { | |
45 | arguments: [ actorUrl, activity ], | |
46 | errorMessage: 'Cannot undo like with many retries.' | |
47 | } | |
48 | ||
49 | return retryTransactionWrapper(undoLike, options) | |
50 | } | |
51 | ||
52 | async function undoLike (actorUrl: string, activity: ActivityUndo) { | |
53 | const likeActivity = activity.object as ActivityLike | |
54 | ||
55 | const { video } = await getOrCreateAccountAndVideoAndChannel(likeActivity.object) | |
56 | ||
57 | return sequelizeTypescript.transaction(async t => { | |
58 | const byAccount = await AccountModel.loadByUrl(actorUrl, t) | |
59 | if (!byAccount) throw new Error('Unknown account ' + actorUrl) | |
60 | ||
61 | const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t) | |
62 | if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`) | |
63 | ||
64 | await rate.destroy({ transaction: t }) | |
65 | await video.decrement('likes', { transaction: t }) | |
66 | ||
67 | if (video.isOwned()) { | |
68 | // Don't resend the activity to the sender | |
69 | const exceptions = [ byAccount.Actor ] | |
70 | await forwardActivity(activity, t, exceptions) | |
71 | } | |
72 | }) | |
73 | } | |
74 | ||
75 | function processUndoDislike (actorUrl: string, activity: ActivityUndo) { | |
76 | const options = { | |
77 | arguments: [ actorUrl, activity ], | |
78 | errorMessage: 'Cannot undo dislike with many retries.' | |
79 | } | |
80 | ||
81 | return retryTransactionWrapper(undoDislike, options) | |
82 | } | |
83 | ||
84 | async function undoDislike (actorUrl: string, activity: ActivityUndo) { | |
85 | const dislike = activity.object.object as DislikeObject | |
86 | ||
87 | const { video } = await getOrCreateAccountAndVideoAndChannel(dislike.object) | |
88 | ||
89 | return sequelizeTypescript.transaction(async t => { | |
90 | const byAccount = await AccountModel.loadByUrl(actorUrl, t) | |
91 | if (!byAccount) throw new Error('Unknown account ' + actorUrl) | |
92 | ||
93 | const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t) | |
94 | if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`) | |
95 | ||
96 | await rate.destroy({ transaction: t }) | |
97 | await video.decrement('dislikes', { transaction: t }) | |
98 | ||
99 | if (video.isOwned()) { | |
100 | // Don't resend the activity to the sender | |
101 | const exceptions = [ byAccount.Actor ] | |
102 | await forwardActivity(activity, t, exceptions) | |
103 | } | |
104 | }) | |
105 | } | |
106 | ||
107 | function processUndoFollow (actorUrl: string, followActivity: ActivityFollow) { | |
108 | const options = { | |
109 | arguments: [ actorUrl, followActivity ], | |
110 | errorMessage: 'Cannot undo follow with many retries.' | |
111 | } | |
112 | ||
113 | return retryTransactionWrapper(undoFollow, options) | |
114 | } | |
115 | ||
116 | function undoFollow (actorUrl: string, followActivity: ActivityFollow) { | |
117 | return sequelizeTypescript.transaction(async t => { | |
118 | const follower = await ActorModel.loadByUrl(actorUrl, t) | |
119 | const following = await ActorModel.loadByUrl(followActivity.object, t) | |
120 | const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) | |
121 | ||
122 | if (!actorFollow) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`) | |
123 | ||
124 | await actorFollow.destroy({ transaction: t }) | |
125 | ||
126 | return undefined | |
127 | }) | |
128 | } | |
129 | ||
130 | function processUndoAnnounce (actorUrl: string, announceActivity: ActivityAnnounce) { | |
131 | const options = { | |
132 | arguments: [ actorUrl, announceActivity ], | |
133 | errorMessage: 'Cannot undo announce with many retries.' | |
134 | } | |
135 | ||
136 | return retryTransactionWrapper(undoAnnounce, options) | |
137 | } | |
138 | ||
139 | function undoAnnounce (actorUrl: string, announceActivity: ActivityAnnounce) { | |
140 | return sequelizeTypescript.transaction(async t => { | |
141 | const share = await VideoShareModel.loadByUrl(announceActivity.id, t) | |
142 | if (!share) throw new Error(`'Unknown video share ${announceActivity.id}.`) | |
143 | ||
144 | await share.destroy({ transaction: t }) | |
145 | ||
146 | return undefined | |
147 | }) | |
148 | } |