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1 | import validator from 'validator' | |
2 | import { CONSTRAINTS_FIELDS } from '../../../initializers/constants' | |
3 | import { exists, isArray } from '../misc' | |
4 | import { isActivityPubUrlValid, isBaseActivityValid, setValidAttributedTo } from './misc' | |
5 | import { isHostValid } from '../servers' | |
6 | import { peertubeTruncate } from '@server/helpers/core-utils' | |
7 | ||
8 | function isActorEndpointsObjectValid (endpointObject: any) { | |
9 | if (endpointObject?.sharedInbox) { | |
10 | return isActivityPubUrlValid(endpointObject.sharedInbox) | |
11 | } | |
12 | ||
13 | // Shared inbox is optional | |
14 | return true | |
15 | } | |
16 | ||
17 | function isActorPublicKeyObjectValid (publicKeyObject: any) { | |
18 | return isActivityPubUrlValid(publicKeyObject.id) && | |
19 | isActivityPubUrlValid(publicKeyObject.owner) && | |
20 | isActorPublicKeyValid(publicKeyObject.publicKeyPem) | |
21 | } | |
22 | ||
23 | function isActorTypeValid (type: string) { | |
24 | return type === 'Person' || type === 'Application' || type === 'Group' || type === 'Service' || type === 'Organization' | |
25 | } | |
26 | ||
27 | function isActorPublicKeyValid (publicKey: string) { | |
28 | return exists(publicKey) && | |
29 | typeof publicKey === 'string' && | |
30 | publicKey.startsWith('-----BEGIN PUBLIC KEY-----') && | |
31 | publicKey.indexOf('-----END PUBLIC KEY-----') !== -1 && | |
32 | validator.isLength(publicKey, CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY) | |
33 | } | |
34 | ||
35 | const actorNameAlphabet = '[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\\-_.:]' | |
36 | const actorNameRegExp = new RegExp(`^${actorNameAlphabet}+$`) | |
37 | function isActorPreferredUsernameValid (preferredUsername: string) { | |
38 | return exists(preferredUsername) && validator.matches(preferredUsername, actorNameRegExp) | |
39 | } | |
40 | ||
41 | function isActorPrivateKeyValid (privateKey: string) { | |
42 | return exists(privateKey) && | |
43 | typeof privateKey === 'string' && | |
44 | privateKey.startsWith('-----BEGIN RSA PRIVATE KEY-----') && | |
45 | // Sometimes there is a \n at the end, so just assert the string contains the end mark | |
46 | privateKey.indexOf('-----END RSA PRIVATE KEY-----') !== -1 && | |
47 | validator.isLength(privateKey, CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY) | |
48 | } | |
49 | ||
50 | function isActorObjectValid (actor: any) { | |
51 | return exists(actor) && | |
52 | isActivityPubUrlValid(actor.id) && | |
53 | isActorTypeValid(actor.type) && | |
54 | isActivityPubUrlValid(actor.inbox) && | |
55 | isActorPreferredUsernameValid(actor.preferredUsername) && | |
56 | isActivityPubUrlValid(actor.url) && | |
57 | isActorPublicKeyObjectValid(actor.publicKey) && | |
58 | isActorEndpointsObjectValid(actor.endpoints) && | |
59 | ||
60 | (!actor.outbox || isActivityPubUrlValid(actor.outbox)) && | |
61 | (!actor.following || isActivityPubUrlValid(actor.following)) && | |
62 | (!actor.followers || isActivityPubUrlValid(actor.followers)) && | |
63 | ||
64 | setValidAttributedTo(actor) && | |
65 | // If this is a group (a channel), it should be attributed to an account | |
66 | // In PeerTube we use this to attach a video channel to a specific account | |
67 | (actor.type !== 'Group' || actor.attributedTo.length !== 0) | |
68 | } | |
69 | ||
70 | function isActorFollowingCountValid (value: string) { | |
71 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
72 | } | |
73 | ||
74 | function isActorFollowersCountValid (value: string) { | |
75 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
76 | } | |
77 | ||
78 | function isActorDeleteActivityValid (activity: any) { | |
79 | return isBaseActivityValid(activity, 'Delete') | |
80 | } | |
81 | ||
82 | function sanitizeAndCheckActorObject (object: any) { | |
83 | normalizeActor(object) | |
84 | ||
85 | return isActorObjectValid(object) | |
86 | } | |
87 | ||
88 | function normalizeActor (actor: any) { | |
89 | if (!actor) return | |
90 | ||
91 | if (!actor.url) { | |
92 | actor.url = actor.id | |
93 | } else if (typeof actor.url !== 'string') { | |
94 | actor.url = actor.url.href || actor.url.url | |
95 | } | |
96 | ||
97 | if (actor.summary && typeof actor.summary === 'string') { | |
98 | actor.summary = peertubeTruncate(actor.summary, { length: CONSTRAINTS_FIELDS.USERS.DESCRIPTION.max }) | |
99 | ||
100 | if (actor.summary.length < CONSTRAINTS_FIELDS.USERS.DESCRIPTION.min) { | |
101 | actor.summary = null | |
102 | } | |
103 | } | |
104 | } | |
105 | ||
106 | function isValidActorHandle (handle: string) { | |
107 | if (!exists(handle)) return false | |
108 | ||
109 | const parts = handle.split('@') | |
110 | if (parts.length !== 2) return false | |
111 | ||
112 | return isHostValid(parts[1]) | |
113 | } | |
114 | ||
115 | function areValidActorHandles (handles: string[]) { | |
116 | return isArray(handles) && handles.every(h => isValidActorHandle(h)) | |
117 | } | |
118 | ||
119 | // --------------------------------------------------------------------------- | |
120 | ||
121 | export { | |
122 | normalizeActor, | |
123 | actorNameAlphabet, | |
124 | areValidActorHandles, | |
125 | isActorEndpointsObjectValid, | |
126 | isActorPublicKeyObjectValid, | |
127 | isActorTypeValid, | |
128 | isActorPublicKeyValid, | |
129 | isActorPreferredUsernameValid, | |
130 | isActorPrivateKeyValid, | |
131 | isActorObjectValid, | |
132 | isActorFollowingCountValid, | |
133 | isActorFollowersCountValid, | |
134 | isActorDeleteActivityValid, | |
135 | sanitizeAndCheckActorObject, | |
136 | isValidActorHandle | |
137 | } |