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merge: feat: implement attachLdSignatureForRelays to control signing of Relayed activities (#599) (!579)

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View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/579

Closes #599

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Marie <marie@kaifa.ch>
This commit is contained in:
dakkar 2024-08-06 10:40:14 +00:00
commit 9de422280f
6 changed files with 36 additions and 6 deletions
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7
packages/backend/src/core/activitypub/ApRendererService.ts
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@ -793,6 +793,13 @@ export class ApRendererService {
@bindThis
public async attachLdSignature(activity: any, user: { id: MiUser['id']; host: null; }): Promise<IActivity> {
// Linked Data signatures are cryptographic signatures attached to each activity to provide proof of authenticity.
// When using authorized fetch, this is often undesired as any signed activity can be forwarded to a blocked instance by relays and other instances.
// This setting allows admins to disable LD signatures for increased privacy, at the expense of fewer relayed activities and additional inbound fetch (GET) requests.
if (!this.config.attachLdSignatureForRelays) {
return activity;
}
const keypair = await this.userKeypairService.getUserKeypair(user.id);
const jsonLd = this.jsonLdService.use();