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fix: closes #13056, guard against undefined keyid,compare

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Barış Soner Uşaklı
2025-01-15 17:19:27 -05:00
parent b61a9031ed
commit 6073a25bb5
1 changed files with 4 additions and 3 deletions
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7
src/middleware/activitypub.js
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@@ -107,12 +107,13 @@ middleware.assertPayload = async function (req, res, next) {
// Cross-check key ownership against received actor
await activitypub.actors.assert(actor);
const compare = (await db.getObjectField(`userRemote:${actor}:keys`, 'id')).replace(/#[\w-]+$/, '');
const compare = ((await db.getObjectField(`userRemote:${actor}:keys`, 'id')) || '').replace(/#[\w-]+$/, '');
const { signature } = req.headers;
const keyId = new Map(signature.split(',').filter(Boolean).map((v) => {
let keyId = new Map(signature.split(',').filter(Boolean).map((v) => {
const index = v.indexOf('=');
return [v.substring(0, index), v.slice(index + 1)];
})).get('keyId').slice(1, -1).replace(/#[\w-]+$/, '');
})).get('keyId');
keyId = (keyId || '').slice(1, -1).replace(/#[\w-]+$/, '');
if (compare !== keyId) {
activitypub.helpers.log('[middleware/activitypub] Key ownership cross-check failed.');
return res.sendStatus(403);