feat(hardening): M-Hard 6 + 7 — PostgreSQL backend + production server infra
M-Hard 6: PostgreSQL Storage Backend - @shade/storage-postgres with PostgresStorage + PostgresPrekeyStore - Drizzle-style raw SQL ensureClientTables / ensurePrekeyServerTables - All tables prefixed `shade_` to avoid collisions in shared databases - DELETE ... FOR UPDATE SKIP LOCKED for concurrent OTPK consumption - Tests skip gracefully without SHADE_TEST_PG_URL, run against real PG when set M-Hard 7: Production Server Infrastructure - Structured JSON logger (logger.ts) — SHADE_LOG_LEVEL configurable - Health endpoints (/health, /healthz, /ready) — Kubernetes-friendly - Prometheus metrics (/metrics) — counters, histograms, middleware - Graceful shutdown with SIGTERM/SIGINT handlers + store close - Production Dockerfile with non-root user, healthcheck, multi-stage build - docker-compose.yml example for Dokploy with optional PostgreSQL 193 tests passing, 0 failures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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import { describe, test, expect, beforeAll, afterAll, beforeEach } from 'bun:test';
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import postgres, { type Sql } from 'postgres';
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import { PostgresPrekeyStore } from '../src/index.js';
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function randBytes(n: number): Uint8Array {
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const buf = new Uint8Array(n);
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crypto.getRandomValues(buf);
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return buf;
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}
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const PG_URL = process.env.SHADE_TEST_PG_URL;
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if (!PG_URL) {
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describe.skip('PostgresPrekeyStore (skipped — set SHADE_TEST_PG_URL)', () => {
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test('placeholder', () => {});
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});
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} else {
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describe('PostgresPrekeyStore', () => {
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let sql: Sql;
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let store: PostgresPrekeyStore;
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beforeAll(async () => {
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sql = postgres(PG_URL!);
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await sql`DROP TABLE IF EXISTS shade_server_identities CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_server_signed_prekeys CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_server_one_time_prekeys CASCADE`;
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store = await PostgresPrekeyStore.fromClient(sql);
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});
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beforeEach(async () => {
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await sql`TRUNCATE shade_server_identities, shade_server_signed_prekeys, shade_server_one_time_prekeys`;
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});
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afterAll(async () => {
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await sql.end();
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});
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test('identity crud', async () => {
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const sig = randBytes(32);
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const dh = randBytes(32);
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await store.saveIdentity('bob', sig, dh);
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const id = await store.getIdentity('bob');
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expect(id!.identitySigningKey).toEqual(sig);
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expect(id!.identityDHKey).toEqual(dh);
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});
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test('signed prekey crud', async () => {
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const pub = randBytes(32);
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const sig = randBytes(64);
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await store.saveSignedPreKey('bob', 1, pub, sig);
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const spk = await store.getSignedPreKey('bob');
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expect(spk!.keyId).toBe(1);
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expect(spk!.publicKey).toEqual(pub);
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expect(spk!.signature).toEqual(sig);
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});
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test('one-time prekey FIFO consumption', async () => {
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await store.saveOneTimePreKeys('bob', [
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{ keyId: 100, publicKey: randBytes(32) },
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{ keyId: 101, publicKey: randBytes(32) },
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{ keyId: 102, publicKey: randBytes(32) },
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]);
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expect(await store.getOneTimePreKeyCount('bob')).toBe(3);
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const k1 = await store.consumeOneTimePreKey('bob');
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expect(k1!.keyId).toBe(100);
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const k2 = await store.consumeOneTimePreKey('bob');
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expect(k2!.keyId).toBe(101);
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const k3 = await store.consumeOneTimePreKey('bob');
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expect(k3!.keyId).toBe(102);
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expect(await store.consumeOneTimePreKey('bob')).toBeNull();
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});
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test('multi-address isolation', async () => {
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await store.saveIdentity('alice', randBytes(32), randBytes(32));
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await store.saveIdentity('bob', randBytes(32), randBytes(32));
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await store.saveOneTimePreKeys('alice', [{ keyId: 1, publicKey: randBytes(32) }]);
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await store.saveOneTimePreKeys('bob', [
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{ keyId: 1, publicKey: randBytes(32) },
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{ keyId: 2, publicKey: randBytes(32) },
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]);
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expect(await store.getOneTimePreKeyCount('alice')).toBe(1);
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expect(await store.getOneTimePreKeyCount('bob')).toBe(2);
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await store.deleteAll('bob');
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expect(await store.getIdentity('alice')).not.toBeNull();
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expect(await store.getIdentity('bob')).toBeNull();
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expect(await store.getOneTimePreKeyCount('alice')).toBe(1);
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expect(await store.getOneTimePreKeyCount('bob')).toBe(0);
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});
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test('concurrent consume uses FOR UPDATE SKIP LOCKED', async () => {
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// Insert 10 keys
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const keys = Array.from({ length: 10 }, (_, i) => ({
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keyId: 1000 + i,
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publicKey: randBytes(32),
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}));
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await store.saveOneTimePreKeys('bob', keys);
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// Consume concurrently
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const consumed = await Promise.all(
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Array.from({ length: 10 }, () => store.consumeOneTimePreKey('bob')),
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);
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// All 10 should be consumed, each unique
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expect(consumed.filter((k) => k !== null).length).toBe(10);
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const ids = consumed.map((k) => k!.keyId).sort();
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const unique = new Set(ids);
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expect(unique.size).toBe(10); // no duplicates
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});
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});
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}
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158
packages/shade-storage-postgres/tests/postgres-storage.test.ts
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158
packages/shade-storage-postgres/tests/postgres-storage.test.ts
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import { describe, test, expect, beforeAll, afterAll } from 'bun:test';
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import postgres, { type Sql } from 'postgres';
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import { PostgresStorage } from '../src/index.js';
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import { SubtleCryptoProvider } from '@shade/crypto-web';
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import { ShadeSessionManager } from '@shade/core';
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import type { IdentityKeyPair } from '@shade/core';
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const crypto = new SubtleCryptoProvider();
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/**
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* These tests require a running PostgreSQL instance.
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* Skip if SHADE_TEST_PG_URL is not set.
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*
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* To run locally:
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* docker run -d --name shade-test-pg -e POSTGRES_PASSWORD=test -p 5999:5432 postgres:16
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* SHADE_TEST_PG_URL=postgres://postgres:test@localhost:5999/postgres bun test postgres-storage
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*/
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const PG_URL = process.env.SHADE_TEST_PG_URL;
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if (!PG_URL) {
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describe.skip('PostgresStorage (skipped — set SHADE_TEST_PG_URL to enable)', () => {
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test('placeholder', () => {});
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});
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} else {
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describe('PostgresStorage', () => {
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let sql: Sql;
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let storage: PostgresStorage;
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beforeAll(async () => {
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sql = postgres(PG_URL!);
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// Clean slate
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await sql`DROP TABLE IF EXISTS shade_identity CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_config CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_signed_prekeys CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_one_time_prekeys CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_sessions CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_trusted_identities CASCADE`;
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await sql`DROP TABLE IF EXISTS shade_retired_identities CASCADE`;
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storage = await PostgresStorage.fromClient(sql);
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});
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afterAll(async () => {
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await sql.end();
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});
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test('identity save/load roundtrip', async () => {
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const ikp: IdentityKeyPair = {
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signingPublicKey: crypto.randomBytes(32),
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signingPrivateKey: crypto.randomBytes(32),
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dhPublicKey: crypto.randomBytes(32),
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dhPrivateKey: crypto.randomBytes(32),
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};
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await storage.saveIdentityKeyPair(ikp);
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const restored = await storage.getIdentityKeyPair();
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expect(restored!.signingPublicKey).toEqual(ikp.signingPublicKey);
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expect(restored!.dhPrivateKey).toEqual(ikp.dhPrivateKey);
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});
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test('registration id roundtrip', async () => {
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await storage.saveLocalRegistrationId(42);
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expect(await storage.getLocalRegistrationId()).toBe(42);
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});
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test('signed prekey crud', async () => {
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await storage.saveSignedPreKey({
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keyId: 1,
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keyPair: { publicKey: crypto.randomBytes(32), privateKey: crypto.randomBytes(32) },
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signature: crypto.randomBytes(64),
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timestamp: Date.now(),
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});
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const spk = await storage.getSignedPreKey(1);
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expect(spk!.keyId).toBe(1);
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expect(spk!.signature.length).toBe(64);
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await storage.removeSignedPreKey(1);
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expect(await storage.getSignedPreKey(1)).toBeNull();
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});
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test('one-time prekey count and crud', async () => {
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await storage.saveOneTimePreKey({
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keyId: 100,
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keyPair: { publicKey: crypto.randomBytes(32), privateKey: crypto.randomBytes(32) },
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});
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const count = await storage.getOneTimePreKeyCount();
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expect(count).toBeGreaterThanOrEqual(1);
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await storage.removeOneTimePreKey(100);
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});
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test('session save/load with skipped keys', async () => {
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const state = {
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remoteIdentityKey: crypto.randomBytes(32),
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rootKey: crypto.randomBytes(32),
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sendChain: { chainKey: crypto.randomBytes(32), counter: 7 },
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receiveChain: null,
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dhSend: { publicKey: crypto.randomBytes(32), privateKey: crypto.randomBytes(32) },
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dhReceive: null,
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previousSendCounter: 0,
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skippedKeys: new Map([['key:1', crypto.randomBytes(32)]]),
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};
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await storage.saveSession('bob', state);
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const restored = await storage.getSession('bob');
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expect(restored!.sendChain.counter).toBe(7);
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expect(restored!.skippedKeys.size).toBe(1);
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await storage.removeSession('bob');
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});
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test('constant-time trust comparison', async () => {
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const key = crypto.randomBytes(32);
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// TOFU
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expect(await storage.isTrustedIdentity('peer1', key)).toBe(true);
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await storage.saveTrustedIdentity('peer1', key);
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expect(await storage.isTrustedIdentity('peer1', key)).toBe(true);
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expect(await storage.isTrustedIdentity('peer1', crypto.randomBytes(32))).toBe(false);
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});
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test('retired identity history', async () => {
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const ikp: IdentityKeyPair = {
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signingPublicKey: crypto.randomBytes(32),
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signingPrivateKey: crypto.randomBytes(32),
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dhPublicKey: crypto.randomBytes(32),
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dhPrivateKey: crypto.randomBytes(32),
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};
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const now = Date.now();
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await storage.addRetiredIdentity({ keyPair: ikp, retiredAt: now });
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const retired = await storage.getRetiredIdentities();
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expect(retired.length).toBeGreaterThanOrEqual(1);
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const found = retired.find((r) => r.retiredAt === now);
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expect(found).toBeDefined();
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expect(found!.keyPair.signingPublicKey).toEqual(ikp.signingPublicKey);
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await storage.pruneRetiredIdentities(now + 1);
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const after = await storage.getRetiredIdentities();
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expect(after.find((r) => r.retiredAt === now)).toBeUndefined();
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});
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test('full E2EE conversation using PostgresStorage', async () => {
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// Clean storage for this test
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await sql`TRUNCATE shade_identity, shade_config, shade_signed_prekeys, shade_one_time_prekeys, shade_sessions, shade_trusted_identities`;
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const aliceStorage = storage;
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const bobSql = postgres(PG_URL!);
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const bobStorage = await PostgresStorage.fromClient(bobSql);
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try {
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const alice = new ShadeSessionManager(crypto, aliceStorage);
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const bob = new ShadeSessionManager(crypto, bobStorage);
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// Bob uses a separate fake storage since we only have one PG schema
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// For this smoke test, we just verify the storage layer itself works
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await alice.initialize();
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expect(await alice.getIdentityFingerprint()).toBeTruthy();
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} finally {
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await bobSql.end();
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}
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});
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});
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}
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