1 import validator from 'validator'
2 import { Activity, ActivityType } from '../../../../shared/models/activitypub'
3 import { sanitizeAndCheckActorObject } from './actor'
4 import { isActivityPubUrlValid, isBaseActivityValid, isObjectValid } from './misc'
5 import { isDislikeActivityValid } from './rate'
6 import { sanitizeAndCheckVideoCommentObject } from './video-comments'
7 import { sanitizeAndCheckVideoTorrentObject } from './videos'
8 import { isViewActivityValid } from './view'
9 import { exists } from '../misc'
10 import { isCacheFileObjectValid } from './cache-file'
11 import { isFlagActivityValid } from './flag'
12 import { isPlaylistObjectValid } from './playlist'
14 function isRootActivityValid (activity: any) {
15 return isCollection(activity) || isActivity(activity)
18 function isCollection (activity: any) {
19 return (activity.type === 'Collection' || activity.type === 'OrderedCollection') &&
20 validator.isInt(activity.totalItems, { min: 0 }) &&
21 Array.isArray(activity.items)
24 function isActivity (activity: any) {
25 return isActivityPubUrlValid(activity.id) &&
26 exists(activity.actor) &&
27 (isActivityPubUrlValid(activity.actor) || isActivityPubUrlValid(activity.actor.id))
30 const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = {
31 Create: checkCreateActivity,
32 Update: checkUpdateActivity,
33 Delete: checkDeleteActivity,
34 Follow: checkFollowActivity,
35 Accept: checkAcceptActivity,
36 Reject: checkRejectActivity,
37 Announce: checkAnnounceActivity,
38 Undo: checkUndoActivity,
39 Like: checkLikeActivity,
40 View: checkViewActivity,
41 Flag: checkFlagActivity,
42 Dislike: checkDislikeActivity
45 function isActivityValid (activity: any) {
46 const checker = activityCheckers[activity.type]
47 // Unknown activity type
48 if (!checker) return false
50 return checker(activity)
53 // ---------------------------------------------------------------------------
60 // ---------------------------------------------------------------------------
62 function checkViewActivity (activity: any) {
63 return isBaseActivityValid(activity, 'View') &&
64 isViewActivityValid(activity)
67 function checkFlagActivity (activity: any) {
68 return isBaseActivityValid(activity, 'Flag') &&
69 isFlagActivityValid(activity)
72 function checkDislikeActivity (activity: any) {
73 return isBaseActivityValid(activity, 'Dislike') &&
74 isDislikeActivityValid(activity)
77 function checkCreateActivity (activity: any) {
78 return isBaseActivityValid(activity, 'Create') &&
80 isViewActivityValid(activity.object) ||
81 isDislikeActivityValid(activity.object) ||
82 isFlagActivityValid(activity.object) ||
83 isPlaylistObjectValid(activity.object) ||
85 isCacheFileObjectValid(activity.object) ||
86 sanitizeAndCheckVideoCommentObject(activity.object) ||
87 sanitizeAndCheckVideoTorrentObject(activity.object)
91 function checkUpdateActivity (activity: any) {
92 return isBaseActivityValid(activity, 'Update') &&
94 isCacheFileObjectValid(activity.object) ||
95 isPlaylistObjectValid(activity.object) ||
96 sanitizeAndCheckVideoTorrentObject(activity.object) ||
97 sanitizeAndCheckActorObject(activity.object)
101 function checkDeleteActivity (activity: any) {
102 // We don't really check objects
103 return isBaseActivityValid(activity, 'Delete') &&
104 isObjectValid(activity.object)
107 function checkFollowActivity (activity: any) {
108 return isBaseActivityValid(activity, 'Follow') &&
109 isObjectValid(activity.object)
112 function checkAcceptActivity (activity: any) {
113 return isBaseActivityValid(activity, 'Accept')
116 function checkRejectActivity (activity: any) {
117 return isBaseActivityValid(activity, 'Reject')
120 function checkAnnounceActivity (activity: any) {
121 return isBaseActivityValid(activity, 'Announce') &&
122 isObjectValid(activity.object)
125 function checkUndoActivity (activity: any) {
126 return isBaseActivityValid(activity, 'Undo') &&
128 checkFollowActivity(activity.object) ||
129 checkLikeActivity(activity.object) ||
130 checkDislikeActivity(activity.object) ||
131 checkAnnounceActivity(activity.object) ||
132 checkCreateActivity(activity.object)
136 function checkLikeActivity (activity: any) {
137 return isBaseActivityValid(activity, 'Like') &&
138 isObjectValid(activity.object)