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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 | let rate = await AccountVideoRateModel.loadByUrl(likeActivity.id, t) | |
59 | if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) | |
60 | if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) | |
61 | ||
62 | await rate.destroy({ transaction: t }) | |
63 | await video.decrement('likes', { transaction: t }) | |
64 | ||
65 | if (video.isOwned()) { | |
66 | // Don't resend the activity to the sender | |
67 | const exceptions = [ byActor ] | |
68 | ||
69 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
70 | } | |
71 | }) | |
72 | } | |
73 | ||
74 | async function processUndoDislike (byActor: ActorModel, activity: ActivityUndo) { | |
75 | const dislike = activity.object.object as DislikeObject | |
76 | ||
77 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object }) | |
78 | ||
79 | return sequelizeTypescript.transaction(async t => { | |
80 | if (!byActor.Account) throw new Error('Unknown account ' + byActor.url) | |
81 | ||
82 | let rate = await AccountVideoRateModel.loadByUrl(dislike.id, t) | |
83 | if (!rate) rate = await AccountVideoRateModel.load(byActor.Account.id, video.id, t) | |
84 | if (!rate) throw new Error(`Unknown rate by account ${byActor.Account.id} for video ${video.id}.`) | |
85 | ||
86 | await rate.destroy({ transaction: t }) | |
87 | await video.decrement('dislikes', { transaction: t }) | |
88 | ||
89 | if (video.isOwned()) { | |
90 | // Don't resend the activity to the sender | |
91 | const exceptions = [ byActor ] | |
92 | ||
93 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
94 | } | |
95 | }) | |
96 | } | |
97 | ||
98 | async function processUndoCacheFile (byActor: ActorModel, activity: ActivityUndo) { | |
99 | const cacheFileObject = activity.object.object as CacheFileObject | |
100 | ||
101 | const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: cacheFileObject.object }) | |
102 | ||
103 | return sequelizeTypescript.transaction(async t => { | |
104 | const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id) | |
105 | if (!cacheFile) throw new Error('Unknown video cache ' + cacheFileObject.id) | |
106 | ||
107 | if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.') | |
108 | ||
109 | await cacheFile.destroy() | |
110 | ||
111 | if (video.isOwned()) { | |
112 | // Don't resend the activity to the sender | |
113 | const exceptions = [ byActor ] | |
114 | ||
115 | await forwardVideoRelatedActivity(activity, t, exceptions, video) | |
116 | } | |
117 | }) | |
118 | } | |
119 | ||
120 | function processUndoFollow (follower: ActorModel, followActivity: ActivityFollow) { | |
121 | return sequelizeTypescript.transaction(async t => { | |
122 | const following = await ActorModel.loadByUrlAndPopulateAccountAndChannel(followActivity.object, t) | |
123 | const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t) | |
124 | ||
125 | if (!actorFollow) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`) | |
126 | ||
127 | await actorFollow.destroy({ transaction: t }) | |
128 | ||
129 | return undefined | |
130 | }) | |
131 | } | |
132 | ||
133 | function processUndoAnnounce (byActor: ActorModel, announceActivity: ActivityAnnounce) { | |
134 | return sequelizeTypescript.transaction(async t => { | |
135 | const share = await VideoShareModel.loadByUrl(announceActivity.id, t) | |
136 | if (!share) throw new Error(`Unknown video share ${announceActivity.id}.`) | |
137 | ||
138 | if (share.actorId !== byActor.id) throw new Error(`${share.url} is not shared by ${byActor.url}.`) | |
139 | ||
140 | await share.destroy({ transaction: t }) | |
141 | ||
142 | if (share.Video.isOwned()) { | |
143 | // Don't resend the activity to the sender | |
144 | const exceptions = [ byActor ] | |
145 | ||
146 | await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video) | |
147 | } | |
148 | }) | |
149 | } |