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1 | import * as WebFinger from 'webfinger.js' | |
2 | import { WebFingerData } from '../../shared' | |
3 | import { fetchRemoteAccount } from '../lib/activitypub/account' | |
4 | ||
5 | import { isTestInstance } from './core-utils' | |
6 | import { isActivityPubUrlValid } from './custom-validators' | |
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 getAccountFromWebfinger (nameWithHost: string) { | |
16 | const webfingerData: WebFingerData = await webfingerLookup(nameWithHost) | |
17 | ||
18 | if (Array.isArray(webfingerData.links) === false) throw new Error('WebFinger links is not an array.') | |
19 | ||
20 | const selfLink = webfingerData.links.find(l => l.rel === 'self') | |
21 | if (selfLink === undefined || isActivityPubUrlValid(selfLink.href) === false) { | |
22 | throw new Error('Cannot find self link or href is not a valid URL.') | |
23 | } | |
24 | ||
25 | const account = await fetchRemoteAccount(selfLink.href) | |
26 | if (account === undefined) throw new Error('Cannot fetch remote account ' + selfLink.href) | |
27 | ||
28 | return account | |
29 | } | |
30 | ||
31 | // --------------------------------------------------------------------------- | |
32 | ||
33 | export { | |
34 | getAccountFromWebfinger | |
35 | } | |
36 | ||
37 | // --------------------------------------------------------------------------- | |
38 | ||
39 | function webfingerLookup (nameWithHost: string) { | |
40 | return new Promise<WebFingerData>((res, rej) => { | |
41 | webfinger.lookup(nameWithHost, (err, p) => { | |
42 | if (err) return rej(err) | |
43 | ||
44 | return res(p.object) | |
45 | }) | |
46 | }) | |
47 | } |