106 lines
5.6 KiB
JavaScript
106 lines
5.6 KiB
JavaScript
// Presence/signalling hub and the holders payload (plan 014).
|
|
import { test, expect, beforeAll } from 'bun:test';
|
|
import { mkdtempSync } from 'node:fs';
|
|
import { tmpdir } from 'node:os';
|
|
import { join } from 'node:path';
|
|
import { createHash } from 'node:crypto';
|
|
|
|
const root = mkdtempSync(join(tmpdir(), 'ytp-p2p-hub-'));
|
|
process.env.DB_PATH = join(root, 'test.db');
|
|
const dbmod = await import('./db.js');
|
|
const p2pDb = await import('./p2p-db.js');
|
|
const { createP2pHub, holdersPayload, peerIdOf } = await import('./p2p-hub.js');
|
|
|
|
const sha = (s) => createHash('sha256').update(s).digest('hex');
|
|
const SECRET_A = '1'.repeat(64);
|
|
const SECRET_B = '2'.repeat(64);
|
|
const CID = 'a'.repeat(64);
|
|
const DAY = 86400_000;
|
|
const NOW = Date.UTC(2026, 8, 29, 12);
|
|
|
|
function fakeWs(data) {
|
|
return { data, sent: [], closed: null, send(s) { this.sent.push(JSON.parse(s)); }, close(code) { this.closed = code; } };
|
|
}
|
|
|
|
beforeAll(async () => {
|
|
await dbmod.initDb();
|
|
await p2pDb.initP2pSchema();
|
|
await p2pDb.createDevice({ deviceId: 'dev_000000000000000a', secretHash: sha(SECRET_A), now: NOW });
|
|
await p2pDb.createDevice({ deviceId: 'dev_000000000000000b', secretHash: sha(SECRET_B), now: NOW });
|
|
await p2pDb.createDevice({ deviceId: 'dev_000000000000000c', secretHash: sha('x'), now: NOW });
|
|
await p2pDb.touchDevice('dev_000000000000000c', { now: NOW, share: false });
|
|
await p2pDb.upsertContent({ cid: CID, videoId: 'dQw4w9WgXcQ', size: 1234, height: 720, vcodec: 'h264', origin: 'server', now: NOW });
|
|
await p2pDb.upsertHolder({ cid: CID, deviceId: 'dev_000000000000000a', now: NOW - 1 * DAY });
|
|
await p2pDb.upsertHolder({ cid: CID, deviceId: 'dev_000000000000000b', now: NOW - 30 * DAY }); // stale, still listed
|
|
await p2pDb.upsertHolder({ cid: CID, deviceId: 'dev_000000000000000c', now: NOW }); // share off → hidden
|
|
});
|
|
|
|
test('auth on open, hello with opaque peer id, bad secret is closed', async () => {
|
|
const hub = createP2pHub({ getDevice: p2pDb.getDevice });
|
|
const a = fakeWs({ budget: [] });
|
|
hub.websocket.open(a);
|
|
await hub.websocket.message(a, JSON.stringify({ type: 'signal', to: 'x', data: {} })); // ignored before auth
|
|
expect(a.sent.length).toBe(0);
|
|
await hub.websocket.message(a, JSON.stringify({ type: 'auth', device: 'dev_000000000000000a', secret: SECRET_A }));
|
|
expect(a.sent[0]).toEqual({ type: 'hello', peer: peerIdOf('dev_000000000000000a') });
|
|
expect(hub.isOnline('dev_000000000000000a')).toBe(true);
|
|
const bad = fakeWs({ budget: [] });
|
|
hub.websocket.open(bad);
|
|
await hub.websocket.message(bad, JSON.stringify({ type: 'auth', device: 'dev_000000000000000b', secret: SECRET_A }));
|
|
expect(bad.closed).toBe(4401);
|
|
expect(hub.isOnline('dev_000000000000000b')).toBe(false);
|
|
});
|
|
|
|
test('signals are relayed between online peers only; close drops presence', async () => {
|
|
const hub = createP2pHub({ getDevice: p2pDb.getDevice });
|
|
const a = fakeWs({ budget: [] });
|
|
const b = fakeWs({ budget: [] });
|
|
hub.websocket.open(a);
|
|
hub.websocket.open(b);
|
|
await hub.websocket.message(a, JSON.stringify({ type: 'auth', device: 'dev_000000000000000a', secret: SECRET_A }));
|
|
await hub.websocket.message(b, JSON.stringify({ type: 'auth', device: 'dev_000000000000000b', secret: SECRET_B }));
|
|
await hub.websocket.message(a, JSON.stringify({ type: 'signal', to: b.data.peer, data: { sdp: 'x' } }));
|
|
expect(b.sent.at(-1)).toEqual({ type: 'signal', from: a.data.peer, data: { sdp: 'x' } });
|
|
hub.websocket.close(b);
|
|
expect(hub.isOnline('dev_000000000000000b')).toBe(false);
|
|
await hub.websocket.message(a, JSON.stringify({ type: 'signal', to: b.data.peer, data: {} }));
|
|
expect(a.sent.at(-1)).toMatchObject({ type: 'error', error: 'peer offline' });
|
|
expect(hub.send('dev_000000000000000a', { type: 'ping' })).toBe(true);
|
|
expect(hub.send('dev_000000000000000b', { type: 'ping' })).toBe(false);
|
|
});
|
|
|
|
test('holders payload: persistent rows, online flag, stale marker, share-off hidden', async () => {
|
|
const online = new Set(['dev_000000000000000b']);
|
|
const p = await holdersPayload({
|
|
videoId: 'dQw4w9WgXcQ', p2pDb, isOnline: (d) => online.has(d), staleDays: 7,
|
|
serverHas: async () => false, now: NOW,
|
|
});
|
|
expect(p.staleDays).toBe(7);
|
|
expect(p.cids.length).toBe(1);
|
|
const c = p.cids[0];
|
|
expect(c).toMatchObject({ cid: CID, size: 1234, height: 720, serverHas: false, counts: { holders: 2, online: 1, fresh: 1 } });
|
|
expect(c.holders.map((h) => [h.peer, h.online, h.stale])).toEqual([
|
|
[peerIdOf('dev_000000000000000b'), true, true], // online first even though stale
|
|
[peerIdOf('dev_000000000000000a'), false, false],
|
|
]);
|
|
expect(JSON.stringify(p)).not.toContain('dev_'); // never leak device ids
|
|
});
|
|
|
|
test('rehydrator asks one online sharing holder, once per 10 min, only when the server has no copy', async () => {
|
|
const { createRehydrator } = await import('./p2p-hub.js');
|
|
const sent = [];
|
|
let t = NOW;
|
|
let serverHas = false;
|
|
const hub = { isOnline: (d) => d === 'dev_000000000000000a' || d === 'dev_000000000000000c', send: (d, m) => { sent.push([d, m]); return true; } };
|
|
const rehydrate = createRehydrator({ p2pDb, hub, hasServerCopy: async () => serverHas, now: () => t });
|
|
expect(await rehydrate('dQw4w9WgXcQ')).toBe(true);
|
|
// c is online but has sharing off; a is online and shares.
|
|
expect(sent).toEqual([['dev_000000000000000a', { type: 'upload-request', videoId: 'dQw4w9WgXcQ', cid: CID }]]);
|
|
expect(await rehydrate('dQw4w9WgXcQ')).toBe(true); // recently asked — no second message
|
|
expect(sent.length).toBe(1);
|
|
t += 11 * 60_000;
|
|
serverHas = true;
|
|
expect(await rehydrate('dQw4w9WgXcQ')).toBe(false); // server copy is back
|
|
expect(await rehydrate('unknownVid1')).toBe(false); // nobody holds it
|
|
});
|