eb60460d28
* enhance: 禁止ワードチェック強化 * リモートの禁止ワードチェックを添付ファイルとユーザーを登録する前に行うなど Resolve https://github.com/misskey-dev/misskey/issues/13374 * 禁止ワートの対象の見直し * performActivityで特定のエラーが出た際にDelayedに追加しないように * use IdentifiableError * NoteCreateService.checkProhibitedWords * https://github.com/misskey-dev/misskey-private/pull/27/files#r1507416135 * remove comment
102 lines
2.9 KiB
TypeScript
102 lines
2.9 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { URL } from 'node:url';
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import { toASCII } from 'punycode';
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import { Inject, Injectable } from '@nestjs/common';
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import RE2 from 're2';
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import { DI } from '@/di-symbols.js';
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import type { Config } from '@/config.js';
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import { bindThis } from '@/decorators.js';
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@Injectable()
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export class UtilityService {
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constructor(
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@Inject(DI.config)
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private config: Config,
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) {
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}
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@bindThis
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public getFullApAccount(username: string, host: string | null): string {
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return host ? `${username}@${this.toPuny(host)}` : `${username}@${this.toPuny(this.config.host)}`;
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}
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@bindThis
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public isSelfHost(host: string | null): boolean {
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if (host == null) return true;
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return this.toPuny(this.config.host) === this.toPuny(host);
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}
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@bindThis
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public isBlockedHost(blockedHosts: string[], host: string | null): boolean {
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if (host == null) return false;
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return blockedHosts.some(x => `.${host.toLowerCase()}`.endsWith(`.${x}`));
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}
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@bindThis
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public isSilencedHost(silencedHosts: string[] | undefined, host: string | null): boolean {
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if (!silencedHosts || host == null) return false;
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return silencedHosts.some(x => `.${host.toLowerCase()}`.endsWith(`.${x}`));
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}
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@bindThis
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public concatNoteContentsForKeyWordCheck(content: {
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cw?: string | null;
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text?: string | null;
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pollChoices?: string[] | null;
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others?: string[] | null;
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}): string {
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/**
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* ノートの内容を結合してキーワードチェック用の文字列を生成する
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* cwとtextは内容が繋がっているかもしれないので間に何も入れずにチェックする
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*/
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return `${content.cw ?? ''}${content.text ?? ''}\n${(content.pollChoices ?? []).join('\n')}\n${(content.others ?? []).join('\n')}`;
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}
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@bindThis
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public isKeyWordIncluded(text: string, keyWords: string[]): boolean {
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if (keyWords.length === 0) return false;
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if (text === '') return false;
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const regexpregexp = /^\/(.+)\/(.*)$/;
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const matched = keyWords.some(filter => {
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// represents RegExp
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const regexp = filter.match(regexpregexp);
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// This should never happen due to input sanitisation.
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if (!regexp) {
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const words = filter.split(' ');
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return words.every(keyword => text.includes(keyword));
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}
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try {
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// TODO: RE2インスタンスをキャッシュ
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return new RE2(regexp[1], regexp[2]).test(text);
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} catch (err) {
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// This should never happen due to input sanitisation.
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return false;
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}
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});
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return matched;
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}
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@bindThis
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public extractDbHost(uri: string): string {
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const url = new URL(uri);
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return this.toPuny(url.hostname);
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}
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@bindThis
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public toPuny(host: string): string {
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return toASCII(host.toLowerCase());
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}
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@bindThis
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public toPunyNullable(host: string | null | undefined): string | null {
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if (host == null) return null;
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return toASCII(host.toLowerCase());
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}
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}
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