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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 { forwardVideoRelatedActivity } 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 | ||
71 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
72 | } | |
73 | }) | |
74 | } | |
75 | ||
76 | function processUndoDislike (actorUrl: string, activity: ActivityUndo) { | |
77 | const options = { | |
78 | arguments: [ actorUrl, activity ], | |
79 | errorMessage: 'Cannot undo dislike with many retries.' | |
80 | } | |
81 | ||
82 | return retryTransactionWrapper(undoDislike, options) | |
83 | } | |
84 | ||
85 | async function undoDislike (actorUrl: string, activity: ActivityUndo) { | |
86 | const dislike = activity.object.object as DislikeObject | |
87 | ||
88 | const { video } = await getOrCreateAccountAndVideoAndChannel(dislike.object) | |
89 | ||
90 | return sequelizeTypescript.transaction(async t => { | |
91 | const byAccount = await AccountModel.loadByUrl(actorUrl, t) | |
92 | if (!byAccount) throw new Error('Unknown account ' + actorUrl) | |
93 | ||
94 | const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t) | |
95 | if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`) | |
96 | ||
97 | await rate.destroy({ transaction: t }) | |
98 | await video.decrement('dislikes', { transaction: t }) | |
99 | ||
100 | if (video.isOwned()) { | |
101 | // Don't resend the activity to the sender | |
102 | const exceptions = [ byAccount.Actor ] | |
103 | ||
104 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
105 | } | |
106 | }) | |
107 | } | |
108 | ||
109 | function processUndoFollow (actorUrl: string, followActivity: ActivityFollow) { | |
110 | const options = { | |
111 | arguments: [ actorUrl, followActivity ], | |
112 | errorMessage: 'Cannot undo follow with many retries.' | |
113 | } | |
114 | ||
115 | return retryTransactionWrapper(undoFollow, options) | |
116 | } | |
117 | ||
118 | function undoFollow (actorUrl: string, followActivity: ActivityFollow) { | |
119 | return sequelizeTypescript.transaction(async t => { | |
120 | const follower = await ActorModel.loadByUrl(actorUrl, t) | |
121 | const following = await ActorModel.loadByUrl(followActivity.object, t) | |
122 | const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) | |
123 | ||
124 | if (!actorFollow) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`) | |
125 | ||
126 | await actorFollow.destroy({ transaction: t }) | |
127 | ||
128 | return undefined | |
129 | }) | |
130 | } | |
131 | ||
132 | function processUndoAnnounce (actorUrl: string, announceActivity: ActivityAnnounce) { | |
133 | const options = { | |
134 | arguments: [ actorUrl, announceActivity ], | |
135 | errorMessage: 'Cannot undo announce with many retries.' | |
136 | } | |
137 | ||
138 | return retryTransactionWrapper(undoAnnounce, options) | |
139 | } | |
140 | ||
141 | function undoAnnounce (actorUrl: string, announceActivity: ActivityAnnounce) { | |
142 | return sequelizeTypescript.transaction(async t => { | |
143 | const byAccount = await AccountModel.loadByUrl(actorUrl, t) | |
144 | if (!byAccount) throw new Error('Unknown account ' + actorUrl) | |
145 | ||
146 | const share = await VideoShareModel.loadByUrl(announceActivity.id, t) | |
147 | if (!share) throw new Error(`'Unknown video share ${announceActivity.id}.`) | |
148 | ||
149 | await share.destroy({ transaction: t }) | |
150 | ||
151 | if (share.Video.isOwned()) { | |
152 | // Don't resend the activity to the sender | |
153 | const exceptions = [ byAccount.Actor ] | |
154 | ||
155 | await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video) | |
156 | } | |
157 | }) | |
158 | } |