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1 | import validator from 'validator' | |
2 | import { CONFIG } from '@server/initializers/config' | |
3 | import { CONSTRAINTS_FIELDS } from '../../../initializers/constants' | |
4 | import { exists } from '../misc' | |
5 | ||
6 | function isUrlValid (url: string) { | |
7 | const isURLOptions = { | |
8 | require_host: true, | |
9 | require_tld: true, | |
10 | require_protocol: true, | |
11 | require_valid_protocol: true, | |
12 | protocols: [ 'http', 'https' ] | |
13 | } | |
14 | ||
15 | // We validate 'localhost', so we don't have the top level domain | |
16 | if (CONFIG.WEBSERVER.HOSTNAME === 'localhost') { | |
17 | isURLOptions.require_tld = false | |
18 | } | |
19 | ||
20 | return exists(url) && validator.isURL('' + url, isURLOptions) | |
21 | } | |
22 | ||
23 | function isActivityPubUrlValid (url: string) { | |
24 | return isUrlValid(url) && validator.isLength('' + url, CONSTRAINTS_FIELDS.ACTORS.URL) | |
25 | } | |
26 | ||
27 | function isBaseActivityValid (activity: any, type: string) { | |
28 | return activity.type === type && | |
29 | isActivityPubUrlValid(activity.id) && | |
30 | isObjectValid(activity.actor) && | |
31 | isUrlCollectionValid(activity.to) && | |
32 | isUrlCollectionValid(activity.cc) | |
33 | } | |
34 | ||
35 | function isUrlCollectionValid (collection: any) { | |
36 | return collection === undefined || | |
37 | (Array.isArray(collection) && collection.every(t => isActivityPubUrlValid(t))) | |
38 | } | |
39 | ||
40 | function isObjectValid (object: any) { | |
41 | return exists(object) && | |
42 | ( | |
43 | isActivityPubUrlValid(object) || isActivityPubUrlValid(object.id) | |
44 | ) | |
45 | } | |
46 | ||
47 | function setValidAttributedTo (obj: any) { | |
48 | if (Array.isArray(obj.attributedTo) === false) { | |
49 | obj.attributedTo = [] | |
50 | return true | |
51 | } | |
52 | ||
53 | obj.attributedTo = obj.attributedTo.filter(a => { | |
54 | return (a.type === 'Group' || a.type === 'Person') && isActivityPubUrlValid(a.id) | |
55 | }) | |
56 | ||
57 | return true | |
58 | } | |
59 | ||
60 | function isActivityPubVideoDurationValid (value: string) { | |
61 | // https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration | |
62 | return exists(value) && | |
63 | typeof value === 'string' && | |
64 | value.startsWith('PT') && | |
65 | value.endsWith('S') | |
66 | } | |
67 | ||
68 | export { | |
69 | isUrlValid, | |
70 | isActivityPubUrlValid, | |
71 | isBaseActivityValid, | |
72 | setValidAttributedTo, | |
73 | isObjectValid, | |
74 | isActivityPubVideoDurationValid | |
75 | } |