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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 === 'Follow') { | |
30 | return retryTransactionWrapper(processUndoFollow, byActor, activityToUndo) | |
31 | } | |
32 | ||
33 | if (activityToUndo.type === 'Announce') { | |
34 | return retryTransactionWrapper(processUndoAnnounce, byActor, activityToUndo) | |
35 | } | |
36 | ||
37 | logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id }) | |
38 | ||
39 | return undefined | |
40 | } | |
41 | ||
42 | // --------------------------------------------------------------------------- | |
43 | ||
44 | export { | |
45 | processUndoActivity | |
46 | } | |
47 | ||
48 | // --------------------------------------------------------------------------- | |
49 | ||
50 | async function processUndoLike (byActor: ActorModel, activity: ActivityUndo) { | |
51 | const likeActivity = activity.object as ActivityLike | |
52 | ||
53 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: likeActivity.object }) | |
54 | ||
55 | return sequelizeTypescript.transaction(async t => { | |
56 | if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) | |
57 | ||
58 | const rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) | |
59 | if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) | |
60 | ||
61 | await rate.destroy({ transaction: t }) | |
62 | await video.decrement('likes', { transaction: t }) | |
63 | ||
64 | if (video.isOwned()) { | |
65 | // Don't resend the activity to the sender | |
66 | const exceptions = [ byActor ] | |
67 | ||
68 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
69 | } | |
70 | }) | |
71 | } | |
72 | ||
73 | async function processUndoDislike (byActor: ActorModel, activity: ActivityUndo) { | |
74 | const dislike = activity.object.object as DislikeObject | |
75 | ||
76 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object }) | |
77 | ||
78 | return sequelizeTypescript.transaction(async t => { | |
79 | if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) | |
80 | ||
81 | const rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) | |
82 | if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) | |
83 | ||
84 | await rate.destroy({ transaction: t }) | |
85 | await video.decrement('dislikes', { transaction: t }) | |
86 | ||
87 | if (video.isOwned()) { | |
88 | // Don't resend the activity to the sender | |
89 | const exceptions = [ byActor ] | |
90 | ||
91 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
92 | } | |
93 | }) | |
94 | } | |
95 | ||
96 | async function processUndoCacheFile (byActor: ActorModel, activity: ActivityUndo) { | |
97 | const cacheFileObject = activity.object.object as CacheFileObject | |
98 | ||
99 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: cacheFileObject.object }) | |
100 | ||
101 | return sequelizeTypescript.transaction(async t => { | |
102 | const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id) | |
103 | if (!cacheFile) throw new Error('Unknown video cache ' + cacheFileObject.id) | |
104 | ||
105 | if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.') | |
106 | ||
107 | await cacheFile.destroy() | |
108 | ||
109 | if (video.isOwned()) { | |
110 | // Don't resend the activity to the sender | |
111 | const exceptions = [ byActor ] | |
112 | ||
113 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
114 | } | |
115 | }) | |
116 | } | |
117 | ||
118 | function processUndoFollow (follower: ActorModel, followActivity: ActivityFollow) { | |
119 | return sequelizeTypescript.transaction(async t => { | |
120 | const following = await ActorModel.loadByUrlAndPopulateAccountAndChannel(followActivity.object, t) | |
121 | const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) | |
122 | ||
123 | if (!actorFollow) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`) | |
124 | ||
125 | await actorFollow.destroy({ transaction: t }) | |
126 | ||
127 | return undefined | |
128 | }) | |
129 | } | |
130 | ||
131 | function processUndoAnnounce (byActor: ActorModel, announceActivity: ActivityAnnounce) { | |
132 | return sequelizeTypescript.transaction(async t => { | |
133 | const share = await VideoShareModel.loadByUrl(announceActivity.id, t) | |
134 | if (!share) throw new Error(`Unknown video share ${announceActivity.id}.`) | |
135 | ||
136 | if (share.actorId !== byActor.id) throw new Error(`${share.url} is not shared by ${byActor.url}.`) | |
137 | ||
138 | await share.destroy({ transaction: t }) | |
139 | ||
140 | if (share.Video.isOwned()) { | |
141 | // Don't resend the activity to the sender | |
142 | const exceptions = [ byActor ] | |
143 | ||
144 | await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video) | |
145 | } | |
146 | }) | |
147 | } |