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1 | import * as WebFinger from 'webfinger.js' | |
2 | import { WebFingerData } from '../../shared' | |
3 | import { ActorModel } from '../models/activitypub/actor' | |
4 | import { isTestInstance } from './core-utils' | |
5 | import { isActivityPubUrlValid } from './custom-validators/activitypub/misc' | |
6 | import { WEBSERVER } from '../initializers/constants' | |
7 | ||
8 | const webfinger = new WebFinger({ | |
9 | webfist_fallback: false, | |
10 | tls_only: isTestInstance(), | |
11 | uri_fallback: false, | |
12 | request_timeout: 3000 | |
13 | }) | |
14 | ||
15 | async function loadActorUrlOrGetFromWebfinger (uriArg: string) { | |
16 | // Handle strings like @toto@example.com | |
17 | const uri = uriArg.startsWith('@') ? uriArg.slice(1) : uriArg | |
18 | ||
19 | const [ name, host ] = uri.split('@') | |
20 | let actor: ActorModel | |
21 | ||
22 | if (!host || host === WEBSERVER.HOST) { | |
23 | actor = await ActorModel.loadLocalByName(name) | |
24 | } else { | |
25 | actor = await ActorModel.loadByNameAndHost(name, host) | |
26 | } | |
27 | ||
28 | if (actor) return actor.url | |
29 | ||
30 | return getUrlFromWebfinger(uri) | |
31 | } | |
32 | ||
33 | async function getUrlFromWebfinger (uri: string) { | |
34 | const webfingerData: WebFingerData = await webfingerLookup(uri) | |
35 | return getLinkOrThrow(webfingerData) | |
36 | } | |
37 | ||
38 | // --------------------------------------------------------------------------- | |
39 | ||
40 | export { | |
41 | getUrlFromWebfinger, | |
42 | loadActorUrlOrGetFromWebfinger | |
43 | } | |
44 | ||
45 | // --------------------------------------------------------------------------- | |
46 | ||
47 | function getLinkOrThrow (webfingerData: WebFingerData) { | |
48 | if (Array.isArray(webfingerData.links) === false) throw new Error('WebFinger links is not an array.') | |
49 | ||
50 | const selfLink = webfingerData.links.find(l => l.rel === 'self') | |
51 | if (selfLink === undefined || isActivityPubUrlValid(selfLink.href) === false) { | |
52 | throw new Error('Cannot find self link or href is not a valid URL.') | |
53 | } | |
54 | ||
55 | return selfLink.href | |
56 | } | |
57 | ||
58 | function webfingerLookup (nameWithHost: string) { | |
59 | return new Promise<WebFingerData>((res, rej) => { | |
60 | webfinger.lookup(nameWithHost, (err, p) => { | |
61 | if (err) return rej(err) | |
62 | ||
63 | return res(p.object) | |
64 | }) | |
65 | }) | |
66 | } |