sync-runner.test.ts

1import { beforeEach, describe, expect, it, vi } from "vitest";2import type { PairedDevice, SyncMessage } from "../shared/sync-types";3import type {4  SyncSession,5} from "../shared/sync-transport";6import type { SyncVaultAdapter } from "./sync-coordinator";7import type { SyncRunnerDeps } from "./sync-runner";89type StorageShape = Record<string, unknown>;1011function makeChromeMock(12  local: StorageShape,13  sync: StorageShape,14  session: StorageShape = {},15): typeof chrome {16  const area = (store: StorageShape) => ({17    get: vi.fn(async (key?: string | string[]) => {18      if (!key) return store;19      if (typeof key === "string") return { [key]: store[key] };20      return key.reduce<Record<string, unknown>>((acc, k) => { acc[k] = store[k]; return acc; }, {});21    }),22    set: vi.fn(async (next: Record<string, unknown>) => { Object.assign(store, next); }),23    remove: vi.fn(async (keys: string | string[]) => {24      const list = Array.isArray(keys) ? keys : [keys];25      for (const k of list) delete store[k];26    }),27  });28  return {29    storage: { local: area(local), sync: area(sync), session: area(session) },30    alarms: {31      clear: vi.fn(),32      create: vi.fn(),33      onAlarm: { addListener: vi.fn() },34    },35    idle: { setDetectionInterval: vi.fn(), onStateChanged: { addListener: vi.fn() } },36    runtime: { sendMessage: vi.fn(async () => undefined) },37  } as unknown as typeof chrome;38}3940const REMOTE_PUBKEY_HEX = "ab".repeat(32);4142function makeDevice(overrides: Partial<PairedDevice> = {}): PairedDevice {43  return {44    deviceId: "pixel-xyz",45    deviceName: "Pixel",46    deviceType: "android",47    longTermPublicKeyHex: REMOTE_PUBKEY_HEX,48    rendezvousSecretHex: "11".repeat(32),49    wsPort: 49142,50    pairedAt: 1700000000000,51    ...overrides,52  };53}5455interface FakePeer {56  send(msg: SyncMessage): Promise<void>;57  receive(): Promise<SyncMessage>;58}5960/**61 * In-memory SyncSession ↔ FakePeer pair. The session is what the62 * runner passes to runSyncInitiator; the peer is the other end of the63 * wire, controlled by the test body. Mirrors the pattern in64 * sync-coordinator.test.ts.65 */66function inMemoryPair(): { session: SyncSession; peer: FakePeer; closed: { v: boolean } } {67  const inboundToSession: Uint8Array[] = [];68  const outboundFromSession: Uint8Array[] = [];69  const sessionReaders: Array<(v: Uint8Array) => void> = [];70  const peerReaders: Array<(v: Uint8Array) => void> = [];71  const closed = { v: false };7273  const session: SyncSession = {74    send(bytes) {75      const r = peerReaders.shift();76      if (r) r(bytes); else outboundFromSession.push(bytes);77    },78    receive(): Promise<Uint8Array> {79      const v = inboundToSession.shift();80      if (v) return Promise.resolve(v);81      return new Promise<Uint8Array>((res) => sessionReaders.push(res));82    },83    async close() { closed.v = true; },84    remoteStaticPublicKey: new Uint8Array(32),85  };86  const peer: FakePeer = {87    async send(msg) {88      const bytes = new TextEncoder().encode(JSON.stringify(msg));89      const r = sessionReaders.shift();90      if (r) r(bytes); else inboundToSession.push(bytes);91    },92    async receive() {93      const v = outboundFromSession.shift();94      const bytes = v ?? await new Promise<Uint8Array>((res) => peerReaders.push(res));95      return JSON.parse(new TextDecoder().decode(bytes)) as SyncMessage;96    },97  };98  return { session, peer, closed };99}100101/**102 * Drive a happy-path SYNC_DONE handshake on the peer side, matching the103 * coordinator's HELLO → MANIFEST → REQUEST → ENTRIES → TOMBSTONES → DONE104 * sequence. `peerEntries` lets the peer send a SYNC_ENTRIES payload of any105 * size for the entriesReceived assertion; `wantFromUs` requests N entries106 * from our side (drives entriesSent).107 */108async function runPeer(109  peer: FakePeer,110  opts: {111    vaultId?: string;112    peerEntriesB64?: Record<string, string>;113    wantFromUsIds?: string[];114  } = {},115): Promise<void> {116  const hello = await peer.receive();117  if (hello.type !== "SYNC_HELLO") throw new Error("expected HELLO from initiator");118  await peer.send({119    type: "SYNC_HELLO",120    vaultId: opts.vaultId ?? hello.vaultId,121    deviceId: "peer-device",122    version: 0,123    deviceTime: Date.now(),124    protocolVersion: 3,125  });126  const manifest = await peer.receive();127  if (manifest.type !== "SYNC_MANIFEST") throw new Error("expected MANIFEST");128129  // Peer manifest declares the entries it will ship in SYNC_ENTRIES.130  const peerEntryManifest: Record<string, number> = {};131  for (const id of Object.keys(opts.peerEntriesB64 ?? {})) {132    peerEntryManifest[id] = Date.now();133  }134  await peer.send({135    type: "SYNC_MANIFEST",136    entries: peerEntryManifest,137    tombstones: {},138  });139140  const ourRequest = await peer.receive();141  if (ourRequest.type !== "SYNC_REQUEST") throw new Error("expected REQUEST from initiator");142143  // Peer asks for the ids it wants from us.144  await peer.send({ type: "SYNC_REQUEST", entryIds: opts.wantFromUsIds ?? [] });145146  const ourEntries = await peer.receive();147  if (ourEntries.type !== "SYNC_ENTRIES") throw new Error("expected ENTRIES from initiator");148149  // Only ship SYNC_ENTRIES when the initiator actually requested any. The150  // coordinator only awaits this frame when wantFromPeer.length > 0.151  if (Object.keys(peerEntryManifest).length > 0) {152    await peer.send({ type: "SYNC_ENTRIES", entries: opts.peerEntriesB64 ?? {} });153  }154155  const ourTombstones = await peer.receive();156  if (ourTombstones.type !== "SYNC_TOMBSTONES") throw new Error("expected TOMBSTONES");157  await peer.send({ type: "SYNC_TOMBSTONES", tombstones: {} });158159  const done = await peer.receive();160  if (done.type !== "SYNC_DONE") throw new Error("expected DONE");161  await peer.send({ type: "SYNC_DONE" });162}163164function emptyAdapter(): SyncVaultAdapter {165  return {166    async computeVaultId() { return "vault-abc"; },167    async getOurDeviceId() { return "device-init"; },168    // Non-zero so the equal-version short circuit doesn't fire in runner tests169    // that exercise the full manifest-diff flow.170    async getLocalVersion() { return 5; },171    async buildEntryManifest() { return {}; },172    async buildTombstoneManifest() { return {}; },173    async getEncryptedEntries() { return {}; },174    async applyEntries() { /* no-op */ },175    async applyTombstones() { /* no-op */ },176  };177}178179const relaySettings = async () => ({180  mode: "public" as const,181  relayUrl: "wss://relay.peachpasswords.com",182});183184describe("productionSyncRunner", () => {185  let local: StorageShape;186  let sync: StorageShape;187  let sessionStore: StorageShape;188189  beforeEach(() => {190    vi.resetModules();191    local = {};192    sync = {};193    sessionStore = {};194    (globalThis as { chrome?: typeof chrome }).chrome = makeChromeMock(local, sync, sessionStore);195    vi.stubGlobal("fetch", vi.fn(async () => { throw new Error("network disabled"); }));196  });197198  async function bootVault(): Promise<typeof import("./vault")> {199    const vault = await import("./vault");200    await vault.createVault("correct horse battery staple");201    return vault;202  }203204  // PB-26-213: device rows carry no reusable secrets; the runner resolves205  // them from the encrypted pair-secret record / session copy.206  async function seedPairSecret(secret = "11".repeat(32)): Promise<void> {207    const vault = await import("./vault");208    const rootHex = vault.getRootKeyHex();209    if (!rootHex) throw new Error("vault must be unlocked to seed pair secrets");210    const root = Uint8Array.from(rootHex.match(/../g)!.map((b) => parseInt(b, 16)));211    try {212      const { setPairSecret } = await import("./pair-secrets");213      await setPairSecret("pixel-xyz", secret, root);214    } finally {215      root.fill(0);216    }217  }218219  // PB-26-104: locked sync has to keep working with the spool moved to220  // chrome.storage.session. The previous fix removed the private key from the221  // spool outright, which silently turned every locked round into VAULT_LOCKED.222  it("completes a sync round while locked, using the session-scoped spool", async () => {223    const vault = await bootVault();224    await vault.addEntry({ type: "login", title: "Locked Round", password: "swordfish" });225    const { refreshLockedSyncSpool } = await import("./sync-vault-adapter");226    await refreshLockedSyncSpool();227    await seedPairSecret();228    vault.lock();229    expect(vault.isUnlocked()).toBe(false);230231    const { session, peer } = inMemoryPair();232    const deps: SyncRunnerDeps = {233      openRelaySession: vi.fn(async () => session),234      getSyncSettings: relaySettings,235      createAdapter: emptyAdapter,236    };237    const { runWithDeps } = await import("./sync-runner");238    const runPromise = runWithDeps(makeDevice(), deps);239    await runPeer(peer, {});240    const result = await runPromise;241242    expect(result.ok).toBe(true);243    // Nothing about the spool reached disk-backed storage.244    expect(JSON.stringify(local)).not.toContain("longTermPrivateKey");245    expect(local.peach_locked_sync_spool_v1).toBeUndefined();246  });247248  it("returns VAULT_LOCKED result (does not throw) when the vault is locked", async () => {249    const vault = await bootVault();250    vault.lock();251    const { runWithDeps } = await import("./sync-runner");252    const deps: SyncRunnerDeps = {253      openRelaySession: vi.fn(),254      getSyncSettings: relaySettings,255      createAdapter: emptyAdapter,256    };257    const result = await runWithDeps(makeDevice(), deps);258    expect(result).toEqual({ ok: false, error: "VAULT_LOCKED" });259    expect(deps.openRelaySession).not.toHaveBeenCalled();260  });261262  it("throws when the device has no longTermPublicKeyHex", async () => {263    await bootVault();264    const { runWithDeps } = await import("./sync-runner");265    const deps: SyncRunnerDeps = {266      openRelaySession: vi.fn(),267      getSyncSettings: relaySettings,268      createAdapter: emptyAdapter,269    };270    await expect(271      runWithDeps(makeDevice({ longTermPublicKeyHex: undefined }), deps),272    ).rejects.toThrow("paired_device_missing_pubkey");273  });274275  it("refuses reconnect when legacy pairing state has no rendezvous secret", async () => {276    await bootVault();277    const { runWithDeps } = await import("./sync-runner");278    const deps: SyncRunnerDeps = {279      openRelaySession: vi.fn(),280      getSyncSettings: relaySettings,281      createAdapter: emptyAdapter,282    };283    await expect(284      runWithDeps(makeDevice({ rendezvousSecretHex: undefined }), deps),285    ).rejects.toThrow("paired_device_missing_rendezvous_secret");286  });287288  it("surfaces entriesReceived from the peer's SYNC_ENTRIES payload", async () => {289    await bootVault();290    await seedPairSecret();291    const { session, peer } = inMemoryPair();292    const openRelaySession = vi.fn(async () => session);293    const deps: SyncRunnerDeps = {294      openRelaySession,295      getSyncSettings: relaySettings,296      createAdapter: emptyAdapter,297    };298    const { runWithDeps } = await import("./sync-runner");299    const runPromise = runWithDeps(makeDevice(), deps);300    await runPeer(peer, {301      peerEntriesB64: { "id-1": "AAAA", "id-2": "BBBB", "id-3": "CCCC" },302    });303    const result = await runPromise;304    expect(result.ok).toBe(true);305    if (result.ok) {306      expect(result.entriesReceived).toBe(3);307      expect(result.entriesSent).toBe(0);308    }309  });310311  it("surfaces entriesSent from the adapter's encrypted-entry response", async () => {312    await bootVault();313    await seedPairSecret();314    const { session, peer } = inMemoryPair();315    const adapter: SyncVaultAdapter = {316      ...emptyAdapter(),317      async getEncryptedEntries(ids) {318        const out: Record<string, string> = {};319        for (const id of ids) out[id] = "ENVELOPE_" + id;320        return out;321      },322    };323    const deps: SyncRunnerDeps = {324      openRelaySession: vi.fn(async () => session),325      getSyncSettings: relaySettings,326      createAdapter: () => adapter,327    };328    const { runWithDeps } = await import("./sync-runner");329    const runPromise = runWithDeps(makeDevice(), deps);330    await runPeer(peer, { wantFromUsIds: ["a", "b"] });331    const result = await runPromise;332    expect(result.ok).toBe(true);333    if (result.ok) expect(result.entriesSent).toBe(2);334  });335336  it("translates a vault_id_mismatch coordinator outcome into an error throw", async () => {337    await bootVault();338    await seedPairSecret();339    const { session, peer } = inMemoryPair();340    const deps: SyncRunnerDeps = {341      openRelaySession: vi.fn(async () => session),342      getSyncSettings: relaySettings,343      createAdapter: emptyAdapter,344    };345    const { runWithDeps } = await import("./sync-runner");346    const runPromise = runWithDeps(makeDevice(), deps);347    // Peer responds with a vault_id that does NOT match ours, forcing the348    // coordinator to send SYNC_ERROR and return status:"vault_mismatch".349    (async () => {350      const hello = await peer.receive();351      if (hello.type === "SYNC_HELLO") {352        await peer.send({353          type: "SYNC_HELLO",354          vaultId: "wrong-vault-id",355          deviceId: "peer-device",356          version: 0,357          deviceTime: Date.now(),358          protocolVersion: 3,359        });360      }361    })().catch(() => undefined);362    await expect(runPromise).rejects.toThrow("vault_id_mismatch");363  });364});365366describe("sync-trigger persistence", () => {367  let local: StorageShape;368  let sync: StorageShape;369370  beforeEach(() => {371    vi.resetModules();372    local = {};373    sync = {};374    (globalThis as { chrome?: typeof chrome }).chrome = makeChromeMock(local, sync);375    vi.stubGlobal("fetch", vi.fn(async () => { throw new Error("network disabled"); }));376  });377378  it("persists lastSyncAt to chrome.storage.local on a successful sync", async () => {379    const trigger = await import("./sync-trigger");380    const paired = await import("./paired-devices");381    trigger._resetSyncTriggerForTest();382    await paired.upsertPairedDevice({383      deviceId: "P",384      deviceName: "Pixel",385      deviceType: "android",386      longTermPublicKeyHex: "a".repeat(64),387      trustSource: "direct",388      pairedAt: 1700000000000,389    });390    trigger.setSyncRunner(async () => ({ ok: true, entriesReceived: 1, entriesSent: 0 }));391    await trigger.triggerSyncIfReachable({ reason: "manual" });392    expect(typeof local.peach_last_sync_at).toBe("number");393    expect(local.peach_last_sync_at).toBeGreaterThan(0);394  });395396  it("hydratePersistedSyncState fills lastSyncAt from storage when in-memory state is empty", async () => {397    local.peach_last_sync_at = 1_700_005_000_000;398    const trigger = await import("./sync-trigger");399    trigger._resetSyncTriggerForTest();400    expect(trigger.getSyncState().lastSyncAt).toBeUndefined();401    await trigger.hydratePersistedSyncState();402    expect(trigger.getSyncState().lastSyncAt).toBe(1_700_005_000_000);403  });404});