const RE2 = require('re2'); import { Note } from '@/models/entities/note'; import { User } from '@/models/entities/user'; type NoteLike = { userId: Note['userId']; text: Note['text']; }; type UserLike = { id: User['id']; }; export async function checkWordMute(note: NoteLike, me: UserLike | null | undefined, mutedWords: Array): Promise { // 自分自身 if (me && (note.userId === me.id)) return false; if (mutedWords.length > 0) { if (note.text == null) return false; const matched = mutedWords.some(filter => { if (Array.isArray(filter)) { return filter.every(keyword => note.text!.includes(keyword)); } else { // represents RegExp const regexp = filter.match(/^\/(.+)\/(.*)$/); // This should never happen due to input sanitisation. if (!regexp) return false; try { return new RE2(regexp[1], regexp[2]).test(note.text!); } catch (err) { // This should never happen due to input sanitisation. return false; } } }); if (matched) return true; } return false; }