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1 | import { VideoModel } from '@server/models/video/video' | |
2 | import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo, CacheFileObject } from '../../../../shared/models/activitypub' | |
3 | import { DislikeObject } from '../../../../shared/models/activitypub/objects' | |
4 | import { retryTransactionWrapper } from '../../../helpers/database-utils' | |
5 | import { logger } from '../../../helpers/logger' | |
6 | import { sequelizeTypescript } from '../../../initializers/database' | |
7 | import { AccountVideoRateModel } from '../../../models/account/account-video-rate' | |
8 | import { ActorModel } from '../../../models/actor/actor' | |
9 | import { ActorFollowModel } from '../../../models/actor/actor-follow' | |
10 | import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy' | |
11 | import { VideoShareModel } from '../../../models/video/video-share' | |
12 | import { APProcessorOptions } from '../../../types/activitypub-processor.model' | |
13 | import { MActorSignature } from '../../../types/models' | |
14 | import { forwardVideoRelatedActivity } from '../send/shared/send-utils' | |
15 | import { federateVideoIfNeeded, getOrCreateAPVideo } from '../videos' | |
16 | ||
17 | async function processUndoActivity (options: APProcessorOptions<ActivityUndo>) { | |
18 | const { activity, byActor } = options | |
19 | const activityToUndo = activity.object | |
20 | ||
21 | if (activityToUndo.type === 'Like') { | |
22 | return retryTransactionWrapper(processUndoLike, byActor, activity) | |
23 | } | |
24 | ||
25 | if (activityToUndo.type === 'Create') { | |
26 | if (activityToUndo.object.type === 'CacheFile') { | |
27 | return retryTransactionWrapper(processUndoCacheFile, byActor, activity) | |
28 | } | |
29 | } | |
30 | ||
31 | if (activityToUndo.type === 'Dislike') { | |
32 | return retryTransactionWrapper(processUndoDislike, byActor, activity) | |
33 | } | |
34 | ||
35 | if (activityToUndo.type === 'Follow') { | |
36 | return retryTransactionWrapper(processUndoFollow, byActor, activityToUndo) | |
37 | } | |
38 | ||
39 | if (activityToUndo.type === 'Announce') { | |
40 | return retryTransactionWrapper(processUndoAnnounce, byActor, activityToUndo) | |
41 | } | |
42 | ||
43 | logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id }) | |
44 | ||
45 | return undefined | |
46 | } | |
47 | ||
48 | // --------------------------------------------------------------------------- | |
49 | ||
50 | export { | |
51 | processUndoActivity | |
52 | } | |
53 | ||
54 | // --------------------------------------------------------------------------- | |
55 | ||
56 | async function processUndoLike (byActor: MActorSignature, activity: ActivityUndo) { | |
57 | const likeActivity = activity.object as ActivityLike | |
58 | ||
59 | const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: likeActivity.object }) | |
60 | // We don't care about likes of remote videos | |
61 | if (!onlyVideo.isOwned()) return | |
62 | ||
63 | return sequelizeTypescript.transaction(async t => { | |
64 | if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) | |
65 | ||
66 | const video = await VideoModel.loadFull(onlyVideo.id, t) | |
67 | const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, likeActivity.id, t) | |
68 | if (!rate || rate.type !== 'like') { | |
69 | logger.warn('Unknown like by account %d for video %d.', byActor.Account.id, video.id) | |
70 | return | |
71 | } | |
72 | ||
73 | await rate.destroy({ transaction: t }) | |
74 | await video.decrement('likes', { transaction: t }) | |
75 | ||
76 | video.likes-- | |
77 | await federateVideoIfNeeded(video, false, t) | |
78 | }) | |
79 | } | |
80 | ||
81 | async function processUndoDislike (byActor: MActorSignature, activity: ActivityUndo) { | |
82 | const dislike = activity.object.type === 'Dislike' | |
83 | ? activity.object | |
84 | : activity.object.object as DislikeObject | |
85 | ||
86 | const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: dislike.object }) | |
87 | // We don't care about likes of remote videos | |
88 | if (!onlyVideo.isOwned()) return | |
89 | ||
90 | return sequelizeTypescript.transaction(async t => { | |
91 | if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) | |
92 | ||
93 | const video = await VideoModel.loadFull(onlyVideo.id, t) | |
94 | const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, dislike.id, t) | |
95 | if (!rate || rate.type !== 'dislike') { | |
96 | logger.warn(`Unknown dislike by account %d for video %d.`, byActor.Account.id, video.id) | |
97 | return | |
98 | } | |
99 | ||
100 | await rate.destroy({ transaction: t }) | |
101 | await video.decrement('dislikes', { transaction: t }) | |
102 | video.dislikes-- | |
103 | ||
104 | await federateVideoIfNeeded(video, false, t) | |
105 | }) | |
106 | } | |
107 | ||
108 | // --------------------------------------------------------------------------- | |
109 | ||
110 | async function processUndoCacheFile (byActor: MActorSignature, activity: ActivityUndo) { | |
111 | const cacheFileObject = activity.object.object as CacheFileObject | |
112 | ||
113 | const { video } = await getOrCreateAPVideo({ videoObject: cacheFileObject.object }) | |
114 | ||
115 | return sequelizeTypescript.transaction(async t => { | |
116 | const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t) | |
117 | if (!cacheFile) { | |
118 | logger.debug('Cannot undo unknown video cache %s.', cacheFileObject.id) | |
119 | return | |
120 | } | |
121 | ||
122 | if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.') | |
123 | ||
124 | await cacheFile.destroy({ transaction: t }) | |
125 | ||
126 | if (video.isOwned()) { | |
127 | // Don't resend the activity to the sender | |
128 | const exceptions = [ byActor ] | |
129 | ||
130 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
131 | } | |
132 | }) | |
133 | } | |
134 | ||
135 | function processUndoAnnounce (byActor: MActorSignature, announceActivity: ActivityAnnounce) { | |
136 | return sequelizeTypescript.transaction(async t => { | |
137 | const share = await VideoShareModel.loadByUrl(announceActivity.id, t) | |
138 | if (!share) { | |
139 | logger.warn('Unknown video share %d', announceActivity.id) | |
140 | return | |
141 | } | |
142 | ||
143 | if (share.actorId !== byActor.id) throw new Error(`${share.url} is not shared by ${byActor.url}.`) | |
144 | ||
145 | await share.destroy({ transaction: t }) | |
146 | ||
147 | if (share.Video.isOwned()) { | |
148 | // Don't resend the activity to the sender | |
149 | const exceptions = [ byActor ] | |
150 | ||
151 | await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video) | |
152 | } | |
153 | }) | |
154 | } | |
155 | ||
156 | // --------------------------------------------------------------------------- | |
157 | ||
158 | function processUndoFollow (follower: MActorSignature, followActivity: ActivityFollow) { | |
159 | return sequelizeTypescript.transaction(async t => { | |
160 | const following = await ActorModel.loadByUrlAndPopulateAccountAndChannel(followActivity.object, t) | |
161 | const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) | |
162 | ||
163 | if (!actorFollow) { | |
164 | logger.warn('Unknown actor follow %d -> %d.', follower.id, following.id) | |
165 | return | |
166 | } | |
167 | ||
168 | await actorFollow.destroy({ transaction: t }) | |
169 | ||
170 | return undefined | |
171 | }) | |
172 | } |