sharkey/packages/backend/src/core/UtilityService.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

55 lines
1.4 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { URL } from 'node:url';
import { toASCII } from 'punycode';
import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { Config } from '@/config.js';
import { bindThis } from '@/decorators.js';
@Injectable()
export class UtilityService {
constructor(
@Inject(DI.config)
private config: Config,
) {
}
@bindThis
public getFullApAccount(username: string, host: string | null): string {
return host ? `${username}@${this.toPuny(host)}` : `${username}@${this.toPuny(this.config.host)}`;
}
@bindThis
public isSelfHost(host: string | null): boolean {
if (host == null) return true;
return this.toPuny(this.config.host) === this.toPuny(host);
}
@bindThis
public isBlockedHost(blockedHosts: string[], host: string | null): boolean {
if (host == null) return false;
return blockedHosts.some(x => `.${host.toLowerCase()}`.endsWith(`.${x}`));
}
@bindThis
public extractDbHost(uri: string): string {
const url = new URL(uri);
return this.toPuny(url.hostname);
}
@bindThis
public toPuny(host: string): string {
return toASCII(host.toLowerCase());
}
@bindThis
public toPunyNullable(host: string | null | undefined): string | null {
if (host == null) return null;
return toASCII(host.toLowerCase());
}
}