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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' | |
6 | ||
7 | const webfinger = new WebFinger({ | |
8 | webfist_fallback: false, | |
9 | tls_only: isTestInstance(), | |
10 | uri_fallback: false, | |
11 | request_timeout: 3000 | |
12 | }) | |
13 | ||
14 | async function loadActorUrlOrGetFromWebfinger (name: string, host: string) { | |
15 | const actor = await ActorModel.loadByNameAndHost(name, host) | |
16 | if (actor) return actor.url | |
17 | ||
18 | const webfingerData: WebFingerData = await webfingerLookup(name + '@' + host) | |
19 | return getLinkOrThrow(webfingerData) | |
20 | } | |
21 | ||
22 | // --------------------------------------------------------------------------- | |
23 | ||
24 | export { | |
25 | loadActorUrlOrGetFromWebfinger | |
26 | } | |
27 | ||
28 | // --------------------------------------------------------------------------- | |
29 | ||
30 | function getLinkOrThrow (webfingerData: WebFingerData) { | |
31 | if (Array.isArray(webfingerData.links) === false) throw new Error('WebFinger links is not an array.') | |
32 | ||
33 | const selfLink = webfingerData.links.find(l => l.rel === 'self') | |
34 | if (selfLink === undefined || isActivityPubUrlValid(selfLink.href) === false) { | |
35 | throw new Error('Cannot find self link or href is not a valid URL.') | |
36 | } | |
37 | ||
38 | return selfLink.href | |
39 | } | |
40 | ||
41 | function webfingerLookup (nameWithHost: string) { | |
42 | return new Promise<WebFingerData>((res, rej) => { | |
43 | webfinger.lookup(nameWithHost, (err, p) => { | |
44 | if (err) return rej(err) | |
45 | ||
46 | return res(p.object) | |
47 | }) | |
48 | }) | |
49 | } |