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Code Issues 37 Pull requests 4 Releases Activity

limit id length of all incoming activities
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This commit is contained in:
Johann150 2022-09-12 18:30:53 +02:00
parent 1120b6959d
commit 7ceb96b148
Signed by: Johann150
GPG key ID: 9EE6577A2A06F8F1
1 changed files with 6 additions and 1 deletions
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7
packages/backend/src/queue/processors/inbox.ts
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@ -127,13 +127,18 @@ export default async (job: Bull.Job<InboxJobData>): Promise<string> => {
} }
} }
// activity.idがあればホストが署名者のホストであることを確認する
if (typeof activity.id === 'string') { if (typeof activity.id === 'string') {
// Verify that activity and actor are from the same host.
const signerHost = extractDbHost(authUser.user.uri!); const signerHost = extractDbHost(authUser.user.uri!);
const activityIdHost = extractDbHost(activity.id); const activityIdHost = extractDbHost(activity.id);
if (signerHost !== activityIdHost) { if (signerHost !== activityIdHost) {
return `skip: signerHost(${signerHost}) !== activity.id host(${activityIdHost}`; return `skip: signerHost(${signerHost}) !== activity.id host(${activityIdHost}`;
} }
// Verify that the id has a sane length
if (activity.id.length > 2048) {
return `skip: overly long id from ${signerHost}`;
}
} }
// Update stats // Update stats