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1 | import validator from 'validator' | |
2 | import { Activity, ActivityType } from '../../../../shared/models/activitypub' | |
3 | import { isAbuseReasonValid } from '../abuses' | |
4 | import { exists } from '../misc' | |
5 | import { sanitizeAndCheckActorObject } from './actor' | |
6 | import { isCacheFileObjectValid } from './cache-file' | |
7 | import { isActivityPubUrlValid, isBaseActivityValid, isObjectValid } from './misc' | |
8 | import { isPlaylistObjectValid } from './playlist' | |
9 | import { sanitizeAndCheckVideoCommentObject } from './video-comments' | |
10 | import { sanitizeAndCheckVideoTorrentObject } from './videos' | |
11 | import { isWatchActionObjectValid } from './watch-action' | |
12 | ||
13 | function isRootActivityValid (activity: any) { | |
14 | return isCollection(activity) || isActivity(activity) | |
15 | } | |
16 | ||
17 | function isCollection (activity: any) { | |
18 | return (activity.type === 'Collection' || activity.type === 'OrderedCollection') && | |
19 | validator.isInt(activity.totalItems, { min: 0 }) && | |
20 | Array.isArray(activity.items) | |
21 | } | |
22 | ||
23 | function isActivity (activity: any) { | |
24 | return isActivityPubUrlValid(activity.id) && | |
25 | exists(activity.actor) && | |
26 | (isActivityPubUrlValid(activity.actor) || isActivityPubUrlValid(activity.actor.id)) | |
27 | } | |
28 | ||
29 | const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = { | |
30 | Create: isCreateActivityValid, | |
31 | Update: isUpdateActivityValid, | |
32 | Delete: isDeleteActivityValid, | |
33 | Follow: isFollowActivityValid, | |
34 | Accept: isAcceptActivityValid, | |
35 | Reject: isRejectActivityValid, | |
36 | Announce: isAnnounceActivityValid, | |
37 | Undo: isUndoActivityValid, | |
38 | Like: isLikeActivityValid, | |
39 | View: isViewActivityValid, | |
40 | Flag: isFlagActivityValid, | |
41 | Dislike: isDislikeActivityValid | |
42 | } | |
43 | ||
44 | function isActivityValid (activity: any) { | |
45 | const checker = activityCheckers[activity.type] | |
46 | // Unknown activity type | |
47 | if (!checker) return false | |
48 | ||
49 | return checker(activity) | |
50 | } | |
51 | ||
52 | function isFlagActivityValid (activity: any) { | |
53 | return isBaseActivityValid(activity, 'Flag') && | |
54 | isAbuseReasonValid(activity.content) && | |
55 | isActivityPubUrlValid(activity.object) | |
56 | } | |
57 | ||
58 | function isLikeActivityValid (activity: any) { | |
59 | return isBaseActivityValid(activity, 'Like') && | |
60 | isObjectValid(activity.object) | |
61 | } | |
62 | ||
63 | function isDislikeActivityValid (activity: any) { | |
64 | return isBaseActivityValid(activity, 'Dislike') && | |
65 | isObjectValid(activity.object) | |
66 | } | |
67 | ||
68 | function isAnnounceActivityValid (activity: any) { | |
69 | return isBaseActivityValid(activity, 'Announce') && | |
70 | isObjectValid(activity.object) | |
71 | } | |
72 | ||
73 | function isViewActivityValid (activity: any) { | |
74 | return isBaseActivityValid(activity, 'View') && | |
75 | isActivityPubUrlValid(activity.actor) && | |
76 | isActivityPubUrlValid(activity.object) | |
77 | } | |
78 | ||
79 | function isCreateActivityValid (activity: any) { | |
80 | return isBaseActivityValid(activity, 'Create') && | |
81 | ( | |
82 | isViewActivityValid(activity.object) || | |
83 | isDislikeActivityValid(activity.object) || | |
84 | isFlagActivityValid(activity.object) || | |
85 | isPlaylistObjectValid(activity.object) || | |
86 | isWatchActionObjectValid(activity.object) || | |
87 | ||
88 | isCacheFileObjectValid(activity.object) || | |
89 | sanitizeAndCheckVideoCommentObject(activity.object) || | |
90 | sanitizeAndCheckVideoTorrentObject(activity.object) | |
91 | ) | |
92 | } | |
93 | ||
94 | function isUpdateActivityValid (activity: any) { | |
95 | return isBaseActivityValid(activity, 'Update') && | |
96 | ( | |
97 | isCacheFileObjectValid(activity.object) || | |
98 | isPlaylistObjectValid(activity.object) || | |
99 | sanitizeAndCheckVideoTorrentObject(activity.object) || | |
100 | sanitizeAndCheckActorObject(activity.object) | |
101 | ) | |
102 | } | |
103 | ||
104 | function isDeleteActivityValid (activity: any) { | |
105 | // We don't really check objects | |
106 | return isBaseActivityValid(activity, 'Delete') && | |
107 | isObjectValid(activity.object) | |
108 | } | |
109 | ||
110 | function isFollowActivityValid (activity: any) { | |
111 | return isBaseActivityValid(activity, 'Follow') && | |
112 | isObjectValid(activity.object) | |
113 | } | |
114 | ||
115 | function isAcceptActivityValid (activity: any) { | |
116 | return isBaseActivityValid(activity, 'Accept') | |
117 | } | |
118 | ||
119 | function isRejectActivityValid (activity: any) { | |
120 | return isBaseActivityValid(activity, 'Reject') | |
121 | } | |
122 | ||
123 | function isUndoActivityValid (activity: any) { | |
124 | return isBaseActivityValid(activity, 'Undo') && | |
125 | ( | |
126 | isFollowActivityValid(activity.object) || | |
127 | isLikeActivityValid(activity.object) || | |
128 | isDislikeActivityValid(activity.object) || | |
129 | isAnnounceActivityValid(activity.object) || | |
130 | isCreateActivityValid(activity.object) | |
131 | ) | |
132 | } | |
133 | ||
134 | // --------------------------------------------------------------------------- | |
135 | ||
136 | export { | |
137 | isRootActivityValid, | |
138 | isActivityValid, | |
139 | isFlagActivityValid, | |
140 | isLikeActivityValid, | |
141 | isDislikeActivityValid, | |
142 | isAnnounceActivityValid, | |
143 | isViewActivityValid, | |
144 | isCreateActivityValid, | |
145 | isUpdateActivityValid, | |
146 | isDeleteActivityValid, | |
147 | isFollowActivityValid, | |
148 | isAcceptActivityValid, | |
149 | isRejectActivityValid, | |
150 | isUndoActivityValid | |
151 | } |