50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
import * as WebFinger from 'webfinger.js'
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import { WebFingerData } from '../../shared'
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import { ActorModel } from '../models/activitypub/actor'
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import { isTestInstance } from './core-utils'
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import { isActivityPubUrlValid } from './custom-validators/activitypub'
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const webfinger = new WebFinger({
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webfist_fallback: false,
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tls_only: isTestInstance(),
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uri_fallback: false,
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request_timeout: 3000
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})
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async function loadActorUrlOrGetFromWebfinger (name: string, host: string) {
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const actor = await ActorModel.loadByNameAndHost(name, host)
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if (actor) return actor.url
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const webfingerData: WebFingerData = await webfingerLookup(name + '@' + host)
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return getLinkOrThrow(webfingerData)
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}
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// ---------------------------------------------------------------------------
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export {
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loadActorUrlOrGetFromWebfinger
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}
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// ---------------------------------------------------------------------------
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function getLinkOrThrow (webfingerData: WebFingerData) {
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if (Array.isArray(webfingerData.links) === false) throw new Error('WebFinger links is not an array.')
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const selfLink = webfingerData.links.find(l => l.rel === 'self')
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if (selfLink === undefined || isActivityPubUrlValid(selfLink.href) === false) {
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throw new Error('Cannot find self link or href is not a valid URL.')
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}
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return selfLink.href
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}
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function webfingerLookup (nameWithHost: string) {
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return new Promise<WebFingerData>((res, rej) => {
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webfinger.lookup(nameWithHost, (err, p) => {
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if (err) return rej(err)
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return res(p.object)
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})
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})
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}
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