1
0
forked from mirror/misskey
mi.moris.day/packages/backend/src/core/WebfingerService.ts
Shun Sakai c2370a1be6
chore: 著作権とライセンスについての情報を各ファイルに追加する (#11348)
* chore: Add the SPDX information to each file

Add copyright and licensing information as defined in version 3.0 of
the REUSE Specification.

* tweak format

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
2023-07-27 14:31:52 +09:00

61 lines
1.6 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { URL } from 'node:url';
import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { Config } from '@/config.js';
import { query as urlQuery } from '@/misc/prelude/url.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import { bindThis } from '@/decorators.js';
export type ILink = {
href: string;
rel?: string;
};
export type IWebFinger = {
links: ILink[];
subject: string;
};
const urlRegex = /^https?:\/\//;
const mRegex = /^([^@]+)@(.*)/;
@Injectable()
export class WebfingerService {
constructor(
@Inject(DI.config)
private config: Config,
private httpRequestService: HttpRequestService,
) {
}
@bindThis
public async webfinger(query: string): Promise<IWebFinger> {
const url = this.genUrl(query);
return await this.httpRequestService.getJson<IWebFinger>(url, 'application/jrd+json, application/json');
}
@bindThis
private genUrl(query: string): string {
if (query.match(urlRegex)) {
const u = new URL(query);
return `${u.protocol}//${u.hostname}/.well-known/webfinger?` + urlQuery({ resource: query });
}
const m = query.match(mRegex);
if (m) {
const hostname = m[2];
const useHttp = process.env.MISSKEY_WEBFINGER_USE_HTTP && process.env.MISSKEY_WEBFINGER_USE_HTTP.toLowerCase() === 'true';
return `http${useHttp ? '' : 's'}://${hostname}/.well-known/webfinger?${urlQuery({ resource: `acct:${query}` })}`;
}
throw new Error(`Invalid query (${query})`);
}
}