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1 | import * as validator from 'validator' | |
2 | import { CONSTRAINTS_FIELDS } from '../../../initializers' | |
3 | import { exists, isArray } from '../misc' | |
4 | import { truncate } from 'lodash' | |
5 | import { isActivityPubUrlValid, isBaseActivityValid, setValidAttributedTo } from './misc' | |
6 | import { isHostValid } from '../servers' | |
7 | ||
8 | function isActorEndpointsObjectValid (endpointObject: any) { | |
9 | return isActivityPubUrlValid(endpointObject.sharedInbox) | |
10 | } | |
11 | ||
12 | function isActorPublicKeyObjectValid (publicKeyObject: any) { | |
13 | return isActivityPubUrlValid(publicKeyObject.id) && | |
14 | isActivityPubUrlValid(publicKeyObject.owner) && | |
15 | isActorPublicKeyValid(publicKeyObject.publicKeyPem) | |
16 | } | |
17 | ||
18 | function isActorTypeValid (type: string) { | |
19 | return type === 'Person' || type === 'Application' || type === 'Group' | |
20 | } | |
21 | ||
22 | function isActorPublicKeyValid (publicKey: string) { | |
23 | return exists(publicKey) && | |
24 | typeof publicKey === 'string' && | |
25 | publicKey.startsWith('-----BEGIN PUBLIC KEY-----') && | |
26 | publicKey.indexOf('-----END PUBLIC KEY-----') !== -1 && | |
27 | validator.isLength(publicKey, CONSTRAINTS_FIELDS.ACTORS.PUBLIC_KEY) | |
28 | } | |
29 | ||
30 | const actorNameAlphabet = '[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\\-_.]' | |
31 | const actorNameRegExp = new RegExp(`^${actorNameAlphabet}+$`) | |
32 | function isActorPreferredUsernameValid (preferredUsername: string) { | |
33 | return exists(preferredUsername) && validator.matches(preferredUsername, actorNameRegExp) | |
34 | } | |
35 | ||
36 | function isActorPrivateKeyValid (privateKey: string) { | |
37 | return exists(privateKey) && | |
38 | typeof privateKey === 'string' && | |
39 | privateKey.startsWith('-----BEGIN RSA PRIVATE KEY-----') && | |
40 | // Sometimes there is a \n at the end, so just assert the string contains the end mark | |
41 | privateKey.indexOf('-----END RSA PRIVATE KEY-----') !== -1 && | |
42 | validator.isLength(privateKey, CONSTRAINTS_FIELDS.ACTORS.PRIVATE_KEY) | |
43 | } | |
44 | ||
45 | function isActorObjectValid (actor: any) { | |
46 | return exists(actor) && | |
47 | isActivityPubUrlValid(actor.id) && | |
48 | isActorTypeValid(actor.type) && | |
49 | isActivityPubUrlValid(actor.following) && | |
50 | isActivityPubUrlValid(actor.followers) && | |
51 | isActivityPubUrlValid(actor.inbox) && | |
52 | isActivityPubUrlValid(actor.outbox) && | |
53 | isActorPreferredUsernameValid(actor.preferredUsername) && | |
54 | isActivityPubUrlValid(actor.url) && | |
55 | isActorPublicKeyObjectValid(actor.publicKey) && | |
56 | isActorEndpointsObjectValid(actor.endpoints) && | |
57 | setValidAttributedTo(actor) && | |
58 | ||
59 | // If this is not an account, it should be attributed to an account | |
60 | // In PeerTube we use this to attach a video channel to a specific account | |
61 | (actor.type === 'Person' || actor.attributedTo.length !== 0) | |
62 | } | |
63 | ||
64 | function isActorFollowingCountValid (value: string) { | |
65 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
66 | } | |
67 | ||
68 | function isActorFollowersCountValid (value: string) { | |
69 | return exists(value) && validator.isInt('' + value, { min: 0 }) | |
70 | } | |
71 | ||
72 | function isActorDeleteActivityValid (activity: any) { | |
73 | return isBaseActivityValid(activity, 'Delete') | |
74 | } | |
75 | ||
76 | function isActorFollowActivityValid (activity: any) { | |
77 | return isBaseActivityValid(activity, 'Follow') && | |
78 | isActivityPubUrlValid(activity.object) | |
79 | } | |
80 | ||
81 | function isActorAcceptActivityValid (activity: any) { | |
82 | return isBaseActivityValid(activity, 'Accept') | |
83 | } | |
84 | ||
85 | function isActorRejectActivityValid (activity: any) { | |
86 | return isBaseActivityValid(activity, 'Reject') | |
87 | } | |
88 | ||
89 | function isActorUpdateActivityValid (activity: any) { | |
90 | normalizeActor(activity.object) | |
91 | ||
92 | return isBaseActivityValid(activity, 'Update') && | |
93 | isActorObjectValid(activity.object) | |
94 | } | |
95 | ||
96 | function normalizeActor (actor: any) { | |
97 | if (!actor || !actor.url) return | |
98 | ||
99 | if (typeof actor.url !== 'string') { | |
100 | actor.url = actor.url.href || actor.url.url | |
101 | } | |
102 | ||
103 | if (actor.summary && typeof actor.summary === 'string') { | |
104 | actor.summary = truncate(actor.summary, { length: CONSTRAINTS_FIELDS.USERS.DESCRIPTION.max }) | |
105 | ||
106 | if (actor.summary.length < CONSTRAINTS_FIELDS.USERS.DESCRIPTION.min) { | |
107 | actor.summary = null | |
108 | } | |
109 | } | |
110 | ||
111 | return | |
112 | } | |
113 | ||
114 | function isValidActorHandle (handle: string) { | |
115 | if (!exists(handle)) return false | |
116 | ||
117 | const parts = handle.split('@') | |
118 | if (parts.length !== 2) return false | |
119 | ||
120 | return isHostValid(parts[1]) | |
121 | } | |
122 | ||
123 | function areValidActorHandles (handles: string[]) { | |
124 | return isArray(handles) && handles.every(h => isValidActorHandle(h)) | |
125 | } | |
126 | ||
127 | // --------------------------------------------------------------------------- | |
128 | ||
129 | export { | |
130 | normalizeActor, | |
131 | actorNameAlphabet, | |
132 | areValidActorHandles, | |
133 | isActorEndpointsObjectValid, | |
134 | isActorPublicKeyObjectValid, | |
135 | isActorTypeValid, | |
136 | isActorPublicKeyValid, | |
137 | isActorPreferredUsernameValid, | |
138 | isActorPrivateKeyValid, | |
139 | isActorObjectValid, | |
140 | isActorFollowingCountValid, | |
141 | isActorFollowersCountValid, | |
142 | isActorFollowActivityValid, | |
143 | isActorAcceptActivityValid, | |
144 | isActorRejectActivityValid, | |
145 | isActorDeleteActivityValid, | |
146 | isActorUpdateActivityValid, | |
147 | isValidActorHandle | |
148 | } |