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センシティブワードを正規表現、CWにも適用するように (#10688)

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* cwにセンシティブが効いてない

* CWが無いときにTextを見るように

* 比較演算子間違えた

* とりあえずチェック

* 正規表現対応

* /test/giにも対応

* matchでしなくてもいいのでは感

* レビュー修正

* Update packages/backend/src/core/NoteCreateService.ts

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

* Update packages/backend/src/core/NoteCreateService.ts

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

* 修正

* wipかも

* wordsでスペース区切りのものできたかも

* なんか動いたかも

* test作成

* 文言の修正

* 修正

* note参照

---------

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>
This commit is contained in:
nenohi 2023-05-10 18:02:41 +09:00 • committed by GitHub
parent ea9a95cd98
commit c15b75e477
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5 changed files with 86 additions and 2 deletions
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29
packages/backend/src/core/NoteCreateService.ts
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@ -3,6 +3,7 @@ import * as mfm from 'mfm-js';
import { In, DataSource } from 'typeorm';
import * as Redis from 'ioredis';
import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
import RE2 from 're2';
import { extractMentions } from '@/misc/extract-mentions.js';
import { extractCustomEmojisFromMfm } from '@/misc/extract-custom-emojis-from-mfm.js';
import { extractHashtags } from '@/misc/extract-hashtags.js';
@ -238,7 +239,8 @@ export class NoteCreateService implements OnApplicationShutdown {
if (data.channel != null) data.localOnly = true;
if (data.visibility === 'public' && data.channel == null) {
if ((data.text != null) && (await this.metaService.fetch()).sensitiveWords.some(w => data.text!.includes(w))) {
const sensitiveWords = (await this.metaService.fetch()).sensitiveWords;
if (this.isSensitive(data, sensitiveWords)) {
data.visibility = 'home';
} else if ((await this.roleService.getUserPolicies(user.id)).canPublicNote === false) {
data.visibility = 'home';
@ -670,6 +672,31 @@ export class NoteCreateService implements OnApplicationShutdown {
// Register to search database
this.index(note);
}
@bindThis
private isSensitive(note: Option, sensitiveWord: string[]): boolean {
if (sensitiveWord.length > 0) {
const text = note.cw ?? note.text ?? '';
if (text === '') return false;
const matched = sensitiveWord.some(filter => {
// represents RegExp
const regexp = filter.match(/^\/(.+)\/(.*)$/);
// This should never happen due to input sanitisation.
if (!regexp) {
const words = filter.split(' ');
return words.every(keyword => text.includes(keyword));
}
try {
return new RE2(regexp[1], regexp[2]).test(text);
} catch (err) {
// This should never happen due to input sanitisation.
return false;
}
});
if (matched) return true;
}
return false;
}
@bindThis
private incRenoteCount(renote: Note) {