firefish/packages/backend/test/ap-request.ts

import * as assert from "assert";
import httpSignature from "@peertube/http-signature";
import { genRsaKeyPair } from "../src/misc/gen-key-pair.js";
import {
	createSignedPost,
	createSignedGet,
} from "../src/remote/activitypub/ap-request.js";

export const buildParsedSignature = (
	signingString: string,
	signature: string,
	algorithm: string,
) => {
	return {
		scheme: "Signature",
		params: {
			keyId: "KeyID", // dummy, not used for verify
			algorithm: algorithm,
			headers: ["(request-target)", "date", "host", "digest"], // dummy, not used for verify
			signature: signature,
		},
		signingString: signingString,
		algorithm: algorithm.toUpperCase(),
		keyId: "KeyID", // dummy, not used for verify
	};
};

describe("ap-request", () => {
	it("createSignedPost with verify", async () => {
		const keypair = await genRsaKeyPair();
		const key = { keyId: "x", privateKeyPem: keypair.privateKey };
		const url = "https://example.com/inbox";
		const activity = { a: 1 };
		const body = JSON.stringify(activity);
		const headers = {
			"User-Agent": "UA",
		};

		const req = createSignedPost({
			key,
			url,
			body,
			additionalHeaders: headers,
		});

		const parsed = buildParsedSignature(
			req.signingString,
			req.signature,
			"rsa-sha256",
		);

		const result = httpSignature.verifySignature(parsed, keypair.publicKey);
		assert.deepStrictEqual(result, true);
	});

	it("createSignedGet with verify", async () => {
		const keypair = await genRsaKeyPair();
		const key = { keyId: "x", privateKeyPem: keypair.privateKey };
		const url = "https://example.com/outbox";
		const headers = {
			"User-Agent": "UA",
		};

		const req = createSignedGet({ key, url, additionalHeaders: headers });

		const parsed = buildParsedSignature(
			req.signingString,
			req.signature,
			"rsa-sha256",
		);

		const result = httpSignature.verifySignature(parsed, keypair.publicKey);
		assert.deepStrictEqual(result, true);
	});
});