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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import * as Misskey from 'misskey-js';
export function checkWordMute(note: Misskey.entities.Note, me: Misskey.entities.UserLite | null | undefined, mutedWords: Array<string | string[]>): Array<string | string[]> | false {
// 自分自身
if (me && (note.userId === me.id)) return false;
if (mutedWords.length > 0) {
const text = getNoteText(note);
if (text === '') return false;
const matched = mutedWords.filter(filter => {
if (Array.isArray(filter)) {
// Clean up
const filteredFilter = filter.filter(keyword => keyword !== '');
if (filteredFilter.length === 0) return false;
return filteredFilter.every(keyword => 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 RegExp(regexp[1], regexp[2]).test(text);
} catch (err) {
// This should never happen due to input sanitisation.
return false;
}
}
});
if (matched.length > 0) return matched;
}
return false;
}
function getNoteText(note: Note): string {
const textParts: string[] = [];
if (note.cw) textParts.push(note.cw);
if (note.text) textParts.push(note.text);
if (note.files) {
for (const file of note.files) {
if (file.comment) textParts.push(file.comment);
}
}
if (note.poll) {
for (const choice of note.poll.choices) {
if (choice.text) textParts.push(choice.text);
}
}
return textParts.join('\n').trim();
}
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