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1 | import * as validator from 'validator' | |
2 | import { CONSTRAINTS_FIELDS } from '../../../initializers' | |
3 | import { exists } from '../misc' | |
4 | import { truncate } from 'lodash' | |
5 | import { isActivityPubUrlValid, isBaseActivityValid, setValidAttributedTo } from './misc' | |
6 | ||
7 | function isActorEndpointsObjectValid (endpointObject: any) { | |
8 | return isActivityPubUrlValid(endpointObject.sharedInbox) | |
9 | } | |
10 | ||
11 | function isActorPublicKeyObjectValid (publicKeyObject: any) { | |
12 | return isActivityPubUrlValid(publicKeyObject.id) && | |
13 | isActivityPubUrlValid(publicKeyObject.owner) && | |
14 | isActorPublicKeyValid(publicKeyObject.publicKeyPem) | |
15 | } | |
16 | ||
17 | function isActorTypeValid (type: string) { | |
18 | return type === 'Person' || type === 'Application' || type === 'Group' | |
19 | } | |
20 | ||
21 | function isActorPublicKeyValid (publicKey: string) { | |
22 | return exists(publicKey) && | |
23 | typeof publicKey === 'string' && | |
24 | publicKey.startsWith('-----BEGIN PUBLIC KEY-----') && | |
25 | publicKey.indexOf('-----END PUBLIC KEY-----') !== -1 && | |
26 | validator.isLength(publicKey, CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY) | |
27 | } | |
28 | ||
29 | const actorNameRegExp = new RegExp('[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_]+') | |
30 | function isActorPreferredUsernameValid (preferredUsername: string) { | |
31 | return exists(preferredUsername) && validator.matches(preferredUsername, actorNameRegExp) | |
32 | } | |
33 | ||
34 | function isActorPrivateKeyValid (privateKey: string) { | |
35 | return exists(privateKey) && | |
36 | typeof privateKey === 'string' && | |
37 | privateKey.startsWith('-----BEGIN RSA PRIVATE KEY-----') && | |
38 | // Sometimes there is a \n at the end, so just assert the string contains the end mark | |
39 | privateKey.indexOf('-----END RSA PRIVATE KEY-----') !== -1 && | |
40 | validator.isLength(privateKey, CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY) | |
41 | } | |
42 | ||
43 | function isActorObjectValid (actor: any) { | |
44 | return exists(actor) && | |
45 | isActivityPubUrlValid(actor.id) && | |
46 | isActorTypeValid(actor.type) && | |
47 | isActivityPubUrlValid(actor.following) && | |
48 | isActivityPubUrlValid(actor.followers) && | |
49 | isActivityPubUrlValid(actor.inbox) && | |
50 | isActivityPubUrlValid(actor.outbox) && | |
51 | isActorPreferredUsernameValid(actor.preferredUsername) && | |
52 | isActivityPubUrlValid(actor.url) && | |
53 | isActorPublicKeyObjectValid(actor.publicKey) && | |
54 | isActorEndpointsObjectValid(actor.endpoints) && | |
55 | setValidAttributedTo(actor) && | |
56 | ||
57 | // If this is not an account, it should be attributed to an account | |
58 | // In PeerTube we use this to attach a video channel to a specific account | |
59 | (actor.type === 'Person' || actor.attributedTo.length !== 0) | |
60 | } | |
61 | ||
62 | function isActorFollowingCountValid (value: string) { | |
63 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
64 | } | |
65 | ||
66 | function isActorFollowersCountValid (value: string) { | |
67 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
68 | } | |
69 | ||
70 | function isActorDeleteActivityValid (activity: any) { | |
71 | return isBaseActivityValid(activity, 'Delete') | |
72 | } | |
73 | ||
74 | function isActorFollowActivityValid (activity: any) { | |
75 | return isBaseActivityValid(activity, 'Follow') && | |
76 | isActivityPubUrlValid(activity.object) | |
77 | } | |
78 | ||
79 | function isActorAcceptActivityValid (activity: any) { | |
80 | return isBaseActivityValid(activity, 'Accept') | |
81 | } | |
82 | ||
83 | function isActorRejectActivityValid (activity: any) { | |
84 | return isBaseActivityValid(activity, 'Reject') | |
85 | } | |
86 | ||
87 | function isActorUpdateActivityValid (activity: any) { | |
88 | normalizeActor(activity.object) | |
89 | ||
90 | return isBaseActivityValid(activity, 'Update') && | |
91 | isActorObjectValid(activity.object) | |
92 | } | |
93 | ||
94 | function normalizeActor (actor: any) { | |
95 | if (!actor || !actor.url) return | |
96 | ||
97 | if (typeof actor.url !== 'string') { | |
98 | actor.url = actor.url.href || actor.url.url | |
99 | } | |
100 | ||
101 | if (actor.summary && typeof actor.summary === 'string') { | |
102 | actor.summary = truncate(actor.summary, { length: CONSTRAINTS_FIELDS.USERS.DESCRIPTION.max }) | |
103 | ||
104 | if (actor.summary.length < CONSTRAINTS_FIELDS.USERS.DESCRIPTION.min) { | |
105 | actor.summary = null | |
106 | } | |
107 | } | |
108 | ||
109 | return | |
110 | } | |
111 | ||
112 | // --------------------------------------------------------------------------- | |
113 | ||
114 | export { | |
115 | normalizeActor, | |
116 | isActorEndpointsObjectValid, | |
117 | isActorPublicKeyObjectValid, | |
118 | isActorTypeValid, | |
119 | isActorPublicKeyValid, | |
120 | isActorPreferredUsernameValid, | |
121 | isActorPrivateKeyValid, | |
122 | isActorObjectValid, | |
123 | isActorFollowingCountValid, | |
124 | isActorFollowersCountValid, | |
125 | isActorFollowActivityValid, | |
126 | isActorAcceptActivityValid, | |
127 | isActorRejectActivityValid, | |
128 | isActorDeleteActivityValid, | |
129 | isActorUpdateActivityValid | |
130 | } |