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rust-crypto.spec.ts
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/*
Copyright 2022-2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import * as RustSdkCryptoJs from "@matrix-org/matrix-sdk-crypto-wasm";
import {
BaseMigrationData,
KeysQueryRequest,
Migration,
OlmMachine,
PickledInboundGroupSession,
PickledSession,
StoreHandle,
} from "@matrix-org/matrix-sdk-crypto-wasm";
import { mocked, Mocked } from "jest-mock";
import fetchMock from "fetch-mock-jest";
import { RustCrypto } from "../../../src/rust-crypto/rust-crypto";
import { initRustCrypto } from "../../../src/rust-crypto";
import {
Device,
DeviceVerification,
encodeBase64,
HttpApiEvent,
HttpApiEventHandlerMap,
IHttpOpts,
IToDeviceEvent,
MatrixClient,
MatrixEvent,
MatrixHttpApi,
MemoryCryptoStore,
TypedEventEmitter,
} from "../../../src";
import { mkEvent } from "../../test-utils/test-utils";
import { CryptoBackend } from "../../../src/common-crypto/CryptoBackend";
import { IEventDecryptionResult, IMegolmSessionData } from "../../../src/@types/crypto";
import { OutgoingRequestProcessor } from "../../../src/rust-crypto/OutgoingRequestProcessor";
import {
AccountDataClient,
AddSecretStorageKeyOpts,
SecretStorageCallbacks,
ServerSideSecretStorage,
ServerSideSecretStorageImpl,
} from "../../../src/secret-storage";
import {
CryptoCallbacks,
EventShieldColour,
EventShieldReason,
ImportRoomKeysOpts,
KeyBackupCheck,
VerificationRequest,
} from "../../../src/crypto-api";
import * as testData from "../../test-utils/test-data";
import { defer } from "../../../src/utils";
import { logger } from "../../../src/logger";
import { OutgoingRequestsManager } from "../../../src/rust-crypto/OutgoingRequestsManager";
import { ClientEvent, ClientEventHandlerMap } from "../../../src/client";
import { Curve25519AuthData } from "../../../src/crypto-api/keybackup";
import encryptAESSecretStorageItem from "../../../src/utils/encryptAESSecretStorageItem.ts";
import { CryptoStore, SecretStorePrivateKeys } from "../../../src/crypto/store/base";
import { CryptoEvent } from "../../../src/crypto-api/index.ts";
const TEST_USER = "@alice:example.com";
const TEST_DEVICE_ID = "TEST_DEVICE";
beforeAll(async () => {
// Load the WASM upfront, before any of the tests. This can take some time, and doing it here means that it gets
// a separate timeout.
await RustSdkCryptoJs.initAsync();
}, 15000);
afterEach(() => {
fetchMock.reset();
jest.restoreAllMocks();
});
describe("initRustCrypto", () => {
function makeTestOlmMachine(): Mocked<OlmMachine> {
return {
registerRoomKeyUpdatedCallback: jest.fn(),
registerUserIdentityUpdatedCallback: jest.fn(),
getSecretsFromInbox: jest.fn().mockResolvedValue([]),
deleteSecretsFromInbox: jest.fn(),
registerReceiveSecretCallback: jest.fn(),
registerDevicesUpdatedCallback: jest.fn(),
registerRoomKeysWithheldCallback: jest.fn(),
outgoingRequests: jest.fn(),
isBackupEnabled: jest.fn().mockResolvedValue(false),
verifyBackup: jest.fn().mockResolvedValue({ trusted: jest.fn().mockReturnValue(false) }),
getBackupKeys: jest.fn(),
getIdentity: jest.fn().mockResolvedValue(null),
trackedUsers: jest.fn(),
} as unknown as Mocked<OlmMachine>;
}
it("passes through the store params (passphrase)", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
const testOlmMachine = makeTestOlmMachine();
jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storePassphrase: "storePassphrase",
});
expect(StoreHandle.open).toHaveBeenCalledWith("storePrefix", "storePassphrase");
expect(OlmMachine.initFromStore).toHaveBeenCalledWith(expect.anything(), expect.anything(), mockStore);
});
it("passes through the store params (key)", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "openWithKey").mockResolvedValue(mockStore);
const testOlmMachine = makeTestOlmMachine();
jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
const storeKey = new Uint8Array(32);
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storeKey: storeKey,
});
expect(StoreHandle.openWithKey).toHaveBeenCalledWith("storePrefix", storeKey);
expect(OlmMachine.initFromStore).toHaveBeenCalledWith(expect.anything(), expect.anything(), mockStore);
});
it("suppresses the storePassphrase and storeKey if storePrefix is unset", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
const testOlmMachine = makeTestOlmMachine();
jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: null,
storeKey: new Uint8Array(),
storePassphrase: "storePassphrase",
});
expect(StoreHandle.open).toHaveBeenCalledWith();
expect(OlmMachine.initFromStore).toHaveBeenCalledWith(expect.anything(), expect.anything(), mockStore);
});
it("Should get secrets from inbox on start", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
const testOlmMachine = makeTestOlmMachine();
jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storePassphrase: "storePassphrase",
});
expect(testOlmMachine.getSecretsFromInbox).toHaveBeenCalledWith("m.megolm_backup.v1");
});
describe("libolm migration", () => {
let mockStore: RustSdkCryptoJs.StoreHandle;
beforeEach(() => {
// Stub out a bunch of stuff in the Rust library
mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
jest.spyOn(Migration, "migrateBaseData").mockResolvedValue(undefined);
jest.spyOn(Migration, "migrateOlmSessions").mockResolvedValue(undefined);
jest.spyOn(Migration, "migrateMegolmSessions").mockResolvedValue(undefined);
const testOlmMachine = makeTestOlmMachine();
testOlmMachine.trackedUsers.mockResolvedValue([]);
jest.spyOn(OlmMachine, "initFromStore").mockResolvedValue(testOlmMachine);
});
it("migrates data from a legacy crypto store", async () => {
const PICKLE_KEY = "pickle1234";
const legacyStore = new MemoryCryptoStore();
// Populate the legacy store with some test data
const storeSecretKey = (type: string, key: string) =>
encryptAndStoreSecretKey(type, new TextEncoder().encode(key), PICKLE_KEY, legacyStore);
await legacyStore.storeAccount({}, "not a real account");
await storeSecretKey("m.megolm_backup.v1", "backup key");
await storeSecretKey("master", "master key");
await storeSecretKey("self_signing", "ssk");
await storeSecretKey("user_signing", "usk");
const nDevices = 6;
const nSessionsPerDevice = 10;
createSessions(legacyStore, nDevices, nSessionsPerDevice);
createMegolmSessions(legacyStore, nDevices, nSessionsPerDevice);
await legacyStore.markSessionsNeedingBackup([{ senderKey: pad43("device5"), sessionId: "session5" }]);
fetchMock.get("path:/_matrix/client/v3/room_keys/version", {
auth_data: {
public_key: "backup_key_public",
},
version: "45",
algorithm: "m.megolm_backup.v1.curve25519-aes-sha2",
});
// The cached key should be valid for the backup
const mockBackupDecryptionKey: any = {
megolmV1PublicKey: {
publicKeyBase64: "backup_key_public",
},
};
jest.spyOn(RustSdkCryptoJs.BackupDecryptionKey, "fromBase64").mockReturnValue(mockBackupDecryptionKey);
function legacyMigrationProgressListener(progress: number, total: number): void {
logger.log(`migrated ${progress} of ${total}`);
}
await initRustCrypto({
logger,
http: makeMatrixHttpApi(),
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storePassphrase: "storePassphrase",
legacyCryptoStore: legacyStore,
legacyPickleKey: PICKLE_KEY,
legacyMigrationProgressListener,
});
// Check that the migration functions were correctly called
expect(Migration.migrateBaseData).toHaveBeenCalledWith(
expect.any(BaseMigrationData),
new Uint8Array(Buffer.from(PICKLE_KEY)),
mockStore,
);
const data = mocked(Migration.migrateBaseData).mock.calls[0][0];
expect(data.pickledAccount).toEqual("not a real account");
expect(data.userId!.toString()).toEqual(TEST_USER);
expect(data.deviceId!.toString()).toEqual(TEST_DEVICE_ID);
expect(atob(data.backupRecoveryKey!)).toEqual("backup key");
expect(data.backupVersion).toEqual("45");
expect(atob(data.privateCrossSigningMasterKey!)).toEqual("master key");
expect(atob(data.privateCrossSigningUserSigningKey!)).toEqual("usk");
expect(atob(data.privateCrossSigningSelfSigningKey!)).toEqual("ssk");
expect(Migration.migrateOlmSessions).toHaveBeenCalledTimes(2);
expect(Migration.migrateOlmSessions).toHaveBeenCalledWith(
expect.any(Array),
new Uint8Array(Buffer.from(PICKLE_KEY)),
mockStore,
);
// First call should have 50 entries; second should have 10
const sessions1: PickledSession[] = mocked(Migration.migrateOlmSessions).mock.calls[0][0];
expect(sessions1.length).toEqual(50);
const sessions2: PickledSession[] = mocked(Migration.migrateOlmSessions).mock.calls[1][0];
expect(sessions2.length).toEqual(10);
const sessions = [...sessions1, ...sessions2];
for (let i = 0; i < nDevices; i++) {
for (let j = 0; j < nSessionsPerDevice; j++) {
const session = sessions[i * nSessionsPerDevice + j];
expect(session.senderKey).toEqual(`device${i}`);
expect(session.pickle).toEqual(`session${i}.${j}`);
expect(session.creationTime).toEqual(new Date(1000));
expect(session.lastUseTime).toEqual(new Date(1000));
}
}
expect(Migration.migrateMegolmSessions).toHaveBeenCalledTimes(2);
expect(Migration.migrateMegolmSessions).toHaveBeenCalledWith(
expect.any(Array),
new Uint8Array(Buffer.from(PICKLE_KEY)),
mockStore,
);
// First call should have 50 entries; second should have 10
const megolmSessions1: PickledInboundGroupSession[] = mocked(Migration.migrateMegolmSessions).mock
.calls[0][0];
expect(megolmSessions1.length).toEqual(50);
const megolmSessions2: PickledInboundGroupSession[] = mocked(Migration.migrateMegolmSessions).mock
.calls[1][0];
expect(megolmSessions2.length).toEqual(10);
const megolmSessions = [...megolmSessions1, ...megolmSessions2];
for (let i = 0; i < nDevices; i++) {
for (let j = 0; j < nSessionsPerDevice; j++) {
const session = megolmSessions[i * nSessionsPerDevice + j];
expect(session.senderKey).toEqual(pad43(`device${i}`));
expect(session.pickle).toEqual("sessionPickle");
expect(session.roomId!.toString()).toEqual("!room:id");
expect(session.senderSigningKey).toEqual("sender_signing_key");
// only one of the sessions needs backing up
expect(session.backedUp).toEqual(i !== 5 || j !== 5);
}
}
}, 10000);
it("turns on tracing when tracingEnabled is true", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
const tracingSpy = jest.spyOn(RustSdkCryptoJs.Tracing.prototype, 'turnOn').mockImplementation(() => {});
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
tracingEnabled: true, // Assuming you've added this parameter
});
expect(tracingSpy).toHaveBeenCalled();
tracingSpy.mockRestore(); // Clean up the spy
});
it("turns off tracing when tracingEnabled is false", async () => {
const mockStore = { free: jest.fn() } as unknown as StoreHandle;
jest.spyOn(StoreHandle, "open").mockResolvedValue(mockStore);
const tracingSpy = jest.spyOn(RustSdkCryptoJs.Tracing.prototype, 'turnOff').mockImplementation(() => {});
await initRustCrypto({
logger,
http: {} as MatrixClient["http"],
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
tracingEnabled: false, // Assuming you've added this parameter
});
expect(tracingSpy).toHaveBeenCalled();
tracingSpy.mockRestore(); // Clean up the spy
});
it("migrates data from a legacy crypto store when secret are not encrypted", async () => {
const PICKLE_KEY = "pickle1234";
const legacyStore = new MemoryCryptoStore();
// It's possible for old sessions to directly store the secrets as raw UInt8Array,
// so we need to support that in the migration code.
// See https://github.com/matrix-org/matrix-js-sdk/commit/c81f11df0afd4d0da3b088892745ae2f8ba1c4a7
async function storeSecretKeyInClear(type: string, key: Uint8Array, store: CryptoStore) {
// @ts-ignore The API to store raw UInt8Array does not exist anymore, so we need that for this test.
store.privateKeys[type as keyof SecretStorePrivateKeys] = key;
}
// Populate the legacy store with some test data
const storeSecretKey = (type: string, key: string) =>
storeSecretKeyInClear(type, new TextEncoder().encode(key), legacyStore);
await legacyStore.storeAccount({}, "not a real account");
await storeSecretKey("master", "master key");
await storeSecretKey("self_signing", "ssk");
await storeSecretKey("user_signing", "usk");
fetchMock.get("path:/_matrix/client/v3/room_keys/version", 404);
function legacyMigrationProgressListener(progress: number, total: number): void {
logger.log(`migrated ${progress} of ${total}`);
}
await initRustCrypto({
logger,
http: makeMatrixHttpApi(),
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storePassphrase: "storePassphrase",
legacyCryptoStore: legacyStore,
legacyPickleKey: PICKLE_KEY,
legacyMigrationProgressListener,
});
const data = mocked(Migration.migrateBaseData).mock.calls[0][0];
expect(data.pickledAccount).toEqual("not a real account");
expect(data.userId!.toString()).toEqual(TEST_USER);
expect(data.deviceId!.toString()).toEqual(TEST_DEVICE_ID);
expect(atob(data.privateCrossSigningMasterKey!)).toEqual("master key");
expect(atob(data.privateCrossSigningUserSigningKey!)).toEqual("usk");
expect(atob(data.privateCrossSigningSelfSigningKey!)).toEqual("ssk");
});
it("handles megolm sessions with no `keysClaimed`", async () => {
const legacyStore = new MemoryCryptoStore();
legacyStore.storeAccount({}, "not a real account");
legacyStore.storeEndToEndInboundGroupSession(
pad43(`device1`),
`session1`,
{
forwardingCurve25519KeyChain: [],
room_id: "!room:id",
session: "sessionPickle",
},
undefined,
);
const PICKLE_KEY = "pickle1234";
await initRustCrypto({
logger,
http: makeMatrixHttpApi(),
userId: TEST_USER,
deviceId: TEST_DEVICE_ID,
secretStorage: {} as ServerSideSecretStorage,
cryptoCallbacks: {} as CryptoCallbacks,
storePrefix: "storePrefix",
storePassphrase: "storePassphrase",
legacyCryptoStore: legacyStore,
legacyPickleKey: PICKLE_KEY,
});
expect(Migration.migrateMegolmSessions).toHaveBeenCalledTimes(1);
expect(Migration.migrateMegolmSessions).toHaveBeenCalledWith(
expect.any(Array),
new Uint8Array(Buffer.from(PICKLE_KEY)),
mockStore,
);
const megolmSessions: PickledInboundGroupSession[] = mocked(Migration.migrateMegolmSessions).mock
.calls[0][0];
expect(megolmSessions.length).toEqual(1);
const session = megolmSessions[0];
expect(session.senderKey).toEqual(pad43(`device1`));
expect(session.pickle).toEqual("sessionPickle");
expect(session.roomId!.toString()).toEqual("!room:id");
expect(session.senderSigningKey).toBe(undefined);
}, 10000);
async function encryptAndStoreSecretKey(type: string, key: Uint8Array, pickleKey: string, store: CryptoStore) {
const encryptedKey = await encryptAESSecretStorageItem(encodeBase64(key), Buffer.from(pickleKey), type);
store.storeSecretStorePrivateKey(undefined, type as keyof SecretStorePrivateKeys, encryptedKey);
}
/** Create a bunch of fake Olm sessions and stash them in the DB. */
function createSessions(store: CryptoStore, nDevices: number, nSessionsPerDevice: number) {
for (let i = 0; i < nDevices; i++) {
for (let j = 0; j < nSessionsPerDevice; j++) {
const sessionData = {
deviceKey: `device${i}`,
sessionId: `session${j}`,
session: `session${i}.${j}`,
lastReceivedMessageTs: 1000,
};
store.storeEndToEndSession(`device${i}`, `session${j}`, sessionData, undefined);
}
}
}
/** Create a bunch of fake Megolm sessions and stash them in the DB. */
function createMegolmSessions(store: CryptoStore, nDevices: number, nSessionsPerDevice: number) {
for (let i = 0; i < nDevices; i++) {
for (let j = 0; j < nSessionsPerDevice; j++) {
store.storeEndToEndInboundGroupSession(
pad43(`device${i}`),
`session${j}`,
{
forwardingCurve25519KeyChain: [],
keysClaimed: { ed25519: "sender_signing_key" },
room_id: "!room:id",
session: "sessionPickle",
},
undefined,
);
}
}
}
});
});
describe("RustCrypto", () => {
it("getVersion() should return the current version of the rust sdk and vodozemac", async () => {
const rustCrypto = await makeTestRustCrypto();
const versions = RustSdkCryptoJs.getVersions();
expect(rustCrypto.getVersion()).toBe(
`Rust SDK ${versions.matrix_sdk_crypto} (${versions.git_sha}), Vodozemac ${versions.vodozemac}`,
);
});
describe("importing and exporting room keys", () => {
let rustCrypto: RustCrypto;
beforeEach(
async () => {
rustCrypto = await makeTestRustCrypto();
},
/* it can take a while to initialise the crypto library on the first pass, so bump up the timeout. */
10000,
);
it("should import and export keys", async () => {
const someRoomKeys = testData.MEGOLM_SESSION_DATA_ARRAY;
let importTotal = 0;
const opt: ImportRoomKeysOpts = {
progressCallback: (stage) => {
importTotal = stage.total ?? 0;
},
};
await rustCrypto.importRoomKeys(someRoomKeys, opt);
expect(importTotal).toBe(someRoomKeys.length);
const keys = await rustCrypto.exportRoomKeys();
expect(Array.isArray(keys)).toBeTruthy();
expect(keys.length).toBe(someRoomKeys.length);
const aSession = someRoomKeys[0];
const exportedKey = keys.find((k) => k.session_id == aSession.session_id);
expect(aSession).toStrictEqual(exportedKey);
});
it("should import and export keys as JSON", async () => {
const someRoomKeys = testData.MEGOLM_SESSION_DATA_ARRAY;
let importTotal = 0;
const opt: ImportRoomKeysOpts = {
progressCallback: (stage) => {
importTotal = stage.total ?? 0;
},
};
await rustCrypto.importRoomKeysAsJson(JSON.stringify(someRoomKeys), opt);
expect(importTotal).toBe(someRoomKeys.length);
const keys: Array<IMegolmSessionData> = JSON.parse(await rustCrypto.exportRoomKeysAsJson());
expect(Array.isArray(keys)).toBeTruthy();
expect(keys.length).toBe(someRoomKeys.length);
const aSession = someRoomKeys[0];
const exportedKey = keys.find((k) => k.session_id == aSession.session_id);
expect(aSession).toStrictEqual(exportedKey);
});
});
describe("call preprocess methods", () => {
let rustCrypto: RustCrypto;
beforeEach(async () => {
rustCrypto = await makeTestRustCrypto();
});
it("should pass through unencrypted to-device messages", async () => {
const inputs: IToDeviceEvent[] = [
{ content: { key: "value" }, type: "org.matrix.test", sender: "@alice:example.com" },
];
const res = await rustCrypto.preprocessToDeviceMessages(inputs);
expect(res).toEqual(inputs);
});
it("should pass through bad encrypted messages", async () => {
const olmMachine: OlmMachine = rustCrypto["olmMachine"];
const keys = olmMachine.identityKeys;
const inputs: IToDeviceEvent[] = [
{
type: "m.room.encrypted",
content: {
algorithm: "m.olm.v1.curve25519-aes-sha2",
sender_key: "IlRMeOPX2e0MurIyfWEucYBRVOEEUMrOHqn/8mLqMjA",
ciphertext: {
[keys.curve25519.toBase64()]: {
type: 0,
body: "ajyjlghi",
},
},
},
sender: "@alice:example.com",
},
];
const res = await rustCrypto.preprocessToDeviceMessages(inputs);
expect(res).toEqual(inputs);
});
it("emits VerificationRequestReceived on incoming m.key.verification.request", async () => {
const toDeviceEvent = {
type: "m.key.verification.request",
content: {
from_device: "testDeviceId",
methods: ["m.sas.v1"],
transaction_id: "testTxn",
timestamp: Date.now() - 1000,
},
sender: "@user:id",
};
const onEvent = jest.fn();
rustCrypto.on(CryptoEvent.VerificationRequestReceived, onEvent);
await rustCrypto.preprocessToDeviceMessages([toDeviceEvent]);
expect(onEvent).toHaveBeenCalledTimes(1);
const [req]: [VerificationRequest] = onEvent.mock.lastCall;
expect(req.transactionId).toEqual("testTxn");
});
});
it("getCrossSigningKeyId when there is no cross signing keys", async () => {
const rustCrypto = await makeTestRustCrypto();
await expect(rustCrypto.getCrossSigningKeyId()).resolves.toBe(null);
});
describe("getCrossSigningStatus", () => {
it("returns sensible values on a default client", async () => {
const secretStorage = {
isStored: jest.fn().mockResolvedValue(null),
getDefaultKeyId: jest.fn().mockResolvedValue("key"),
} as unknown as Mocked<ServerSideSecretStorage>;
const rustCrypto = await makeTestRustCrypto(undefined, undefined, undefined, secretStorage);
const result = await rustCrypto.getCrossSigningStatus();
expect(secretStorage.isStored).toHaveBeenCalledWith("m.cross_signing.master");
expect(result).toEqual({
privateKeysCachedLocally: {
masterKey: false,
selfSigningKey: false,
userSigningKey: false,
},
privateKeysInSecretStorage: false,
publicKeysOnDevice: false,
});
});
it("throws if `stop` is called mid-call", async () => {
const secretStorage = {
isStored: jest.fn().mockResolvedValue(null),
getDefaultKeyId: jest.fn().mockResolvedValue(null),
} as unknown as Mocked<ServerSideSecretStorage>;
const rustCrypto = await makeTestRustCrypto(undefined, undefined, undefined, secretStorage);
// start the call off
const result = rustCrypto.getCrossSigningStatus();
// call `.stop`
rustCrypto.stop();
// getCrossSigningStatus should abort
await expect(result).rejects.toEqual(new Error("MatrixClient has been stopped"));
});
});
it("bootstrapCrossSigning delegates to CrossSigningIdentity", async () => {
const rustCrypto = await makeTestRustCrypto();
const mockCrossSigningIdentity = {
bootstrapCrossSigning: jest.fn().mockResolvedValue(undefined),
};
// @ts-ignore private property
rustCrypto.crossSigningIdentity = mockCrossSigningIdentity;
await rustCrypto.bootstrapCrossSigning({});
expect(mockCrossSigningIdentity.bootstrapCrossSigning).toHaveBeenCalledWith({});
});
it("bootstrapSecretStorage creates new backup when requested", async () => {
const secretStorageCallbacks = {
getSecretStorageKey: async (keys: any, name: string) => {
return [[...Object.keys(keys.keys)][0], new Uint8Array(32)];
},
} as SecretStorageCallbacks;
const secretStorage = new ServerSideSecretStorageImpl(new DummyAccountDataClient(), secretStorageCallbacks);
const outgoingRequestProcessor = {
makeOutgoingRequest: jest.fn(),
} as unknown as Mocked<OutgoingRequestProcessor>;
const rustCrypto = await makeTestRustCrypto(
new MatrixHttpApi(new TypedEventEmitter<HttpApiEvent, HttpApiEventHandlerMap>(), {
baseUrl: "http://server/",
prefix: "",
onlyData: true,
}),
testData.TEST_USER_ID,
undefined,
secretStorage,
);
rustCrypto["checkKeyBackupAndEnable"] = async () => {
return null;
};
(rustCrypto["crossSigningIdentity"] as any)["outgoingRequestProcessor"] = outgoingRequestProcessor;
const resetKeyBackup = (rustCrypto["resetKeyBackup"] = jest.fn());
async function createSecretStorageKey() {
return {
keyInfo: {} as AddSecretStorageKeyOpts,
privateKey: new Uint8Array(32),
};
}
// create initial secret storage
await rustCrypto.bootstrapCrossSigning({ setupNewCrossSigning: true });
await rustCrypto.bootstrapSecretStorage({
createSecretStorageKey,
setupNewSecretStorage: true,
setupNewKeyBackup: true,
});
// check that rustCrypto.resetKeyBackup was called
expect(resetKeyBackup.mock.calls).toHaveLength(1);
// reset secret storage
await rustCrypto.bootstrapSecretStorage({
createSecretStorageKey,
setupNewSecretStorage: true,
setupNewKeyBackup: true,
});
// check that rustCrypto.resetKeyBackup was called again
expect(resetKeyBackup.mock.calls).toHaveLength(2);
});
it("isSecretStorageReady", async () => {
const mockSecretStorage = {
getDefaultKeyId: jest.fn().mockResolvedValue(null),
} as unknown as Mocked<ServerSideSecretStorage>;
const rustCrypto = await makeTestRustCrypto(undefined, undefined, undefined, mockSecretStorage);
await expect(rustCrypto.isSecretStorageReady()).resolves.toBe(false);
});
describe("outgoing requests", () => {
/** the RustCrypto implementation under test */
let rustCrypto: RustCrypto;
/** A mock OutgoingRequestProcessor which rustCrypto is connected to */
let outgoingRequestProcessor: Mocked<OutgoingRequestProcessor>;
/** a mocked-up OlmMachine which rustCrypto is connected to */
let olmMachine: Mocked<RustSdkCryptoJs.OlmMachine>;
/** A list of results to be returned from olmMachine.outgoingRequest. Each call will shift a result off
* the front of the queue, until it is empty. */
let outgoingRequestQueue: Array<Array<any>>;
/** wait for a call to outgoingRequestProcessor.makeOutgoingRequest.
*
* The promise resolves to a callback: the makeOutgoingRequest call will not complete until the returned
* callback is called.
*/
function awaitCallToMakeOutgoingRequest(): Promise<() => void> {
return new Promise<() => void>((resolveCalledPromise, _reject) => {
outgoingRequestProcessor.makeOutgoingRequest.mockImplementationOnce(async () => {
const completePromise = new Promise<void>((resolveCompletePromise, _reject) => {
resolveCalledPromise(resolveCompletePromise);
});
return completePromise;
});
});
}
beforeEach(async () => {
await RustSdkCryptoJs.initAsync();
// for these tests we use a mock OlmMachine, with an implementation of outgoingRequests that
// returns objects from outgoingRequestQueue
outgoingRequestQueue = [];
olmMachine = {
outgoingRequests: jest.fn().mockImplementation(() => {
return Promise.resolve(outgoingRequestQueue.shift() ?? []);
}),
close: jest.fn(),
} as unknown as Mocked<RustSdkCryptoJs.OlmMachine>;
outgoingRequestProcessor = {
makeOutgoingRequest: jest.fn(),
} as unknown as Mocked<OutgoingRequestProcessor>;
const outgoingRequestsManager = new OutgoingRequestsManager(logger, olmMachine, outgoingRequestProcessor);
rustCrypto = new RustCrypto(
logger,
olmMachine,
{} as MatrixHttpApi<any>,
TEST_USER,
TEST_DEVICE_ID,
{} as ServerSideSecretStorage,
{} as CryptoCallbacks,
);
rustCrypto["outgoingRequestProcessor"] = outgoingRequestProcessor;
rustCrypto["outgoingRequestsManager"] = outgoingRequestsManager;
});
it("should poll for outgoing messages and send them", async () => {
const testReq = new KeysQueryRequest("1234", "{}");
outgoingRequestQueue.push([testReq]);
const makeRequestPromise = awaitCallToMakeOutgoingRequest();
rustCrypto.onSyncCompleted({});
await makeRequestPromise;
expect(olmMachine.outgoingRequests).toHaveBeenCalled();
expect(outgoingRequestProcessor.makeOutgoingRequest).toHaveBeenCalledWith(testReq);
});
it("should go round the loop again if another sync completes while the first `outgoingRequests` is running", async () => {
// the first call to `outgoingMessages` will return a promise which blocks for a while
const firstOutgoingRequestsDefer = defer<Array<any>>();
mocked(olmMachine.outgoingRequests).mockReturnValueOnce(firstOutgoingRequestsDefer.promise);
// the second will return a KeysQueryRequest.
const testReq = new KeysQueryRequest("1234", "{}");
outgoingRequestQueue.push([testReq]);
// the first sync completes, triggering the first call to `outgoingMessages`
rustCrypto.onSyncCompleted({});
expect(olmMachine.outgoingRequests).toHaveBeenCalledTimes(1);
// a second /sync completes before the first call to `outgoingRequests` completes. It shouldn't trigger
// a second call immediately, but should queue one up.
rustCrypto.onSyncCompleted({});
expect(olmMachine.outgoingRequests).toHaveBeenCalledTimes(1);
// the first call now completes, *with an empty result*, which would normally cause us to exit the loop, but
// we should have a second call queued. It should trigger a call to `makeOutgoingRequest`.
firstOutgoingRequestsDefer.resolve([]);
await awaitCallToMakeOutgoingRequest();
expect(olmMachine.outgoingRequests).toHaveBeenCalledTimes(2);
});
it("should encode outgoing requests properly", async () => {
// we need a real OlmMachine, so replace the one created by beforeEach
rustCrypto = await makeTestRustCrypto();
const olmMachine: OlmMachine = rustCrypto["olmMachine"];
const outgoingRequestProcessor = {} as unknown as OutgoingRequestProcessor;
rustCrypto["outgoingRequestProcessor"] = outgoingRequestProcessor;
const outgoingRequestsManager = new OutgoingRequestsManager(logger, olmMachine, outgoingRequestProcessor);
rustCrypto["outgoingRequestsManager"] = outgoingRequestsManager;
// The second time we do a /keys/upload, the `device_keys` property
// should be absent from the request body
// cf. https://github.com/matrix-org/matrix-rust-sdk-crypto-wasm/issues/57
//
// On the first upload, we pretend that there are no OTKs, so it will
// try to upload more keys
let keysUploadCount = 0;
let deviceKeys: object;
let deviceKeysAbsent = false;
outgoingRequestProcessor.makeOutgoingRequest = jest.fn(async (request, uiaCallback?) => {
let resp: any = {};
if (request instanceof RustSdkCryptoJs.KeysUploadRequest) {
if (keysUploadCount == 0) {
deviceKeys = JSON.parse(request.body).device_keys;
resp = { one_time_key_counts: { signed_curve25519: 0 } };
} else {
deviceKeysAbsent = !("device_keys" in JSON.parse(request.body));
resp = { one_time_key_counts: { signed_curve25519: 50 } };
}
keysUploadCount++;
} else if (request instanceof RustSdkCryptoJs.KeysQueryRequest) {
resp = {
device_keys: {
[TEST_USER]: {
[TEST_DEVICE_ID]: deviceKeys,
},
},
};
} else if (
request instanceof RustSdkCryptoJs.UploadSigningKeysRequest ||
request instanceof RustSdkCryptoJs.PutDehydratedDeviceRequest
) {
// These request types do not implement OutgoingRequest and do not need to be marked as sent.
return;
}
if (request.id) {
olmMachine.markRequestAsSent(request.id, request.type, JSON.stringify(resp));
}
});
await outgoingRequestsManager.doProcessOutgoingRequests();
await outgoingRequestsManager.doProcessOutgoingRequests();
expect(deviceKeysAbsent).toBe(true);
});
});
describe(".getEventEncryptionInfo", () => {
let rustCrypto: RustCrypto;
beforeEach(async () => {
rustCrypto = await makeTestRustCrypto();
});
it("should handle unencrypted events", () => {
const event = mkEvent({ event: true, type: "m.room.message", content: { body: "xyz" } });
const res = rustCrypto.getEventEncryptionInfo(event);
expect(res.encrypted).toBeFalsy();
});
it("should handle encrypted events", async () => {
const event = mkEvent({ event: true, type: "m.room.encrypted", content: { algorithm: "fake_alg" } });
const mockCryptoBackend = {
decryptEvent: () =>
({
senderCurve25519Key: "1234",
}) as IEventDecryptionResult,
} as unknown as CryptoBackend;
await event.attemptDecryption(mockCryptoBackend);
const res = rustCrypto.getEventEncryptionInfo(event);
expect(res.encrypted).toBeTruthy();
});
});
describe(".getEncryptionInfoForEvent", () => {
let rustCrypto: RustCrypto;
let olmMachine: Mocked<RustSdkCryptoJs.OlmMachine>;
beforeEach(() => {
olmMachine = {
getRoomEventEncryptionInfo: jest.fn(),
} as unknown as Mocked<RustSdkCryptoJs.OlmMachine>;
rustCrypto = new RustCrypto(
logger,
olmMachine,
{} as MatrixClient["http"],
TEST_USER,
TEST_DEVICE_ID,
{} as ServerSideSecretStorage,
{} as CryptoCallbacks,
);
});
async function makeEncryptedEvent(): Promise<MatrixEvent> {
const encryptedEvent = mkEvent({
event: true,
type: "m.room.encrypted",
content: { algorithm: "fake_alg" },
room: "!room:id",
});
encryptedEvent.event.event_id = "$event:id";
const mockCryptoBackend = {
decryptEvent: () =>
({
clearEvent: { content: { body: "1234" } },
}) as unknown as IEventDecryptionResult,
} as unknown as CryptoBackend;
await encryptedEvent.attemptDecryption(mockCryptoBackend);
return encryptedEvent;
}
it("should handle unencrypted events", async () => {
const event = mkEvent({ event: true, type: "m.room.message", content: { body: "xyz" } });
const res = await rustCrypto.getEncryptionInfoForEvent(event);
expect(res).toBe(null);
expect(olmMachine.getRoomEventEncryptionInfo).not.toHaveBeenCalled();
});
it("should handle decryption failures", async () => {
const event = mkEvent({
event: true,
type: "m.room.encrypted",
content: { algorithm: "fake_alg" },
room: "!room:id",
});
event.event.event_id = "$event:id";
const mockCryptoBackend = {
decryptEvent: () => {
throw new Error("UISI");
},
};
await event.attemptDecryption(mockCryptoBackend as unknown as CryptoBackend);
const res = await rustCrypto.getEncryptionInfoForEvent(event);
expect(res).toBe(null);
expect(olmMachine.getRoomEventEncryptionInfo).not.toHaveBeenCalled();