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