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fix: regular expressions in word mutes (#8254)

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* fix: handle regex exceptions for word mutes

* add i18n strings

Co-authored-by: rinsuki <428rinsuki+git@gmail.com>

* stricter input validation in backend

* add migration for hard mutes

* fix

* use correct regex library in migration

* use query builder to avoid SQL injection

Co-authored-by: Robin B <robflop98@outlook.com>
Co-authored-by: rinsuki <428rinsuki+git@gmail.com>
This commit is contained in:
Johann150 2022-02-10 11:47:46 +01:00 • committed by GitHub
parent 7ba5512a65
commit afb6304979
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 173 additions and 31 deletions
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21
packages/backend/src/server/api/endpoints/i/update.ts
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@ -1,3 +1,4 @@
const RE2 = require('re2');
import $ from 'cafy';
import * as mfm from 'mfm-js';
import { ID } from '@/misc/cafy-id';
@ -117,7 +118,7 @@ export const meta = {
},
mutedWords: {
validator: $.optional.arr($.arr($.str)),
validator: $.optional.arr($.either($.arr($.str.min(1)).min(1), $.str)),
},
mutedInstances: {
@ -163,6 +164,12 @@ export const meta = {
code: 'NO_SUCH_PAGE',
id: '8e01b590-7eb9-431b-a239-860e086c408e',
},
invalidRegexp: {
message: 'Invalid Regular Expression.',
code: 'INVALID_REGEXP',
id: '0d786918-10df-41cd-8f33-8dec7d9a89a5',
}
},
res: {
@ -191,6 +198,18 @@ export default define(meta, async (ps, _user, token) => {
if (ps.avatarId !== undefined) updates.avatarId = ps.avatarId;
if (ps.bannerId !== undefined) updates.bannerId = ps.bannerId;
if (ps.mutedWords !== undefined) {
// validate regular expression syntax
ps.mutedWords.filter(x => !Array.isArray(x)).forEach(x => {
const regexp = x.match(/^\/(.+)\/(.*)$/);
if (!regexp) throw new ApiError(meta.errors.invalidRegexp);
try {
new RE2(regexp[1], regexp[2]);
} catch (err) {
throw new ApiError(meta.errors.invalidRegexp);
}
});
profileUpdates.mutedWords = ps.mutedWords;
profileUpdates.enableWordMute = ps.mutedWords.length > 0;
}