46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
import RE2 from 're2';
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import { Note } from '@/models/entities/note.js';
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import { User } from '@/models/entities/user.js';
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type NoteLike = {
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userId: Note['userId'];
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text: Note['text'];
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};
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type UserLike = {
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id: User['id'];
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};
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export async function checkWordMute(note: NoteLike, me: UserLike | null | undefined, mutedWords: Array<string | string[]>): Promise<boolean> {
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// 自分自身
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if (me && (note.userId === me.id)) return false;
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if (mutedWords.length > 0) {
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const text = ((note.cw ?? '') + '\n' + (note.text ?? '')).trim();
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if (text === '') return false;
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const matched = mutedWords.some(filter => {
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if (Array.isArray(filter)) {
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return filter.every(keyword => text.includes(keyword));
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} else {
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// represents RegExp
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const regexp = filter.match(/^\/(.+)\/(.*)$/);
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// This should never happen due to input sanitisation.
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if (!regexp) return false;
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try {
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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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});
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if (matched) return true;
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}
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return false;
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}
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