2021-03-24 11:05:37 +09:00
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import { URL } from 'url';
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2021-03-23 17:43:07 +09:00
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import { getJson } from '@/misc/fetch';
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2019-04-10 15:07:21 +09:00
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import { query as urlQuery } from '../prelude/url';
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2018-03-31 19:55:00 +09:00
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type ILink = {
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2018-04-09 04:08:56 +09:00
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href: string;
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2019-04-13 01:43:22 +09:00
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rel?: string;
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2018-04-01 21:24:25 +09:00
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};
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2018-03-31 19:55:00 +09:00
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type IWebFinger = {
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2018-04-09 04:08:56 +09:00
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links: ILink[];
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subject: string;
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2018-04-01 21:24:25 +09:00
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};
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2018-03-31 19:55:00 +09:00
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2019-04-10 15:07:21 +09:00
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export default async function(query: string): Promise<IWebFinger> {
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const url = genUrl(query);
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2020-04-09 23:42:23 +09:00
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return await getJson(url, 'application/jrd+json, application/json');
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2019-04-10 15:07:21 +09:00
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}
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function genUrl(query: string) {
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if (query.match(/^https?:\/\//)) {
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const u = new URL(query);
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return `${u.protocol}//${u.hostname}/.well-known/webfinger?` + urlQuery({ resource: query });
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}
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const m = query.match(/^([^@]+)@(.*)/);
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if (m) {
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const hostname = m[2];
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return `https://${hostname}/.well-known/webfinger?` + urlQuery({ resource: `acct:${query}` });
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}
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2018-04-02 18:36:47 +09:00
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2019-09-15 23:27:33 +09:00
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throw new Error(`Invalid query (${query})`);
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2018-04-02 18:36:47 +09:00
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}
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