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