mirror of
https://github.com/element-hq/element-web
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0a01320fca
* Element-R: pass pickleKey in as raw key for indexeddb encryption Currently, we pass the `pickleKey` to the rust library for use as a passphrase for encrypting its crypto store. The Rust libary then passes that passphrase through 200000 rounds of PBKDF2 to generate an encryption key, which is (deliberately) slow. However, the pickleKey is actually 32 bytes of random data (base64-encoded). By passing the raw key into the rust library, we can therefore save the PBKDF operation. Backwards-compatibility with existing sessions is maintained, because if the rust library discovers that the store was previously encrypted with a key based on a PBKDF, it will re-base64 and PBKDF the key we provide, thus reconstructing the right key. * Update src/Lifecycle.ts Co-authored-by: Florian Duros <florianduros@element.io> * Lifecycle-test: clean up test setup Rely less on the unit under test for setting up the test preconditions -- not least because we don't really want to fire up matrix clients and the like during test setup. * Factor out "encryptPickleKey" method For a start it makes it easier to grok what's going on, but also I went to use this in a test * Improve tests for `Lifecycle.restoreFromLocalStorage` --------- Co-authored-by: Florian Duros <florianduros@element.io>
394 lines
18 KiB
TypeScript
394 lines
18 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { logger } from "matrix-js-sdk/src/logger";
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import fetchMockJest from "fetch-mock-jest";
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import EventEmitter from "events";
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import {
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ProvideCryptoSetupExtensions,
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SecretStorageKeyDescription,
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} from "@matrix-org/react-sdk-module-api/lib/lifecycles/CryptoSetupExtensions";
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import { advanceDateAndTime, stubClient } from "./test-utils";
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import { IMatrixClientPeg, MatrixClientPeg as peg } from "../src/MatrixClientPeg";
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import SettingsStore from "../src/settings/SettingsStore";
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import Modal from "../src/Modal";
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import PlatformPeg from "../src/PlatformPeg";
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import { SettingLevel } from "../src/settings/SettingLevel";
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import { Features } from "../src/settings/Settings";
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import { ModuleRunner } from "../src/modules/ModuleRunner";
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jest.useFakeTimers();
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const PegClass = Object.getPrototypeOf(peg).constructor;
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describe("MatrixClientPeg", () => {
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beforeEach(() => {
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// stub out Logger.log which gets called a lot and clutters up the test output
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jest.spyOn(logger, "log").mockImplementation(() => {});
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});
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afterEach(() => {
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localStorage.clear();
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jest.restoreAllMocks();
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// some of the tests assign `MatrixClientPeg.matrixClient`: clear it, to prevent leakage between tests
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peg.unset();
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});
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it("setJustRegisteredUserId", () => {
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stubClient();
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(peg as any).matrixClient = peg.get();
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peg.setJustRegisteredUserId("@userId:matrix.org");
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expect(peg.safeGet().credentials.userId).toBe("@userId:matrix.org");
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expect(peg.currentUserIsJustRegistered()).toBe(true);
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expect(peg.userRegisteredWithinLastHours(0)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(1)).toBe(true);
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expect(peg.userRegisteredWithinLastHours(24)).toBe(true);
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advanceDateAndTime(1 * 60 * 60 * 1000 + 1);
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expect(peg.userRegisteredWithinLastHours(0)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(1)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(24)).toBe(true);
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advanceDateAndTime(24 * 60 * 60 * 1000);
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expect(peg.userRegisteredWithinLastHours(0)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(1)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(24)).toBe(false);
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});
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it("setJustRegisteredUserId(null)", () => {
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stubClient();
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(peg as any).matrixClient = peg.get();
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peg.setJustRegisteredUserId(null);
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expect(peg.currentUserIsJustRegistered()).toBe(false);
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expect(peg.userRegisteredWithinLastHours(0)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(1)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(24)).toBe(false);
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advanceDateAndTime(1 * 60 * 60 * 1000 + 1);
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expect(peg.userRegisteredWithinLastHours(0)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(1)).toBe(false);
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expect(peg.userRegisteredWithinLastHours(24)).toBe(false);
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});
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describe(".start extensions", () => {
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let testPeg: IMatrixClientPeg;
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beforeEach(() => {
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// instantiate a MatrixClientPegClass instance, with a new MatrixClient
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testPeg = new PegClass();
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fetchMockJest.get("http://example.com/_matrix/client/versions", {});
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});
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describe("cryptoSetup extension", () => {
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it("should call default cryptoSetup.getDehydrationKeyCallback", async () => {
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const mockCryptoSetup = {
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SHOW_ENCRYPTION_SETUP_UI: true,
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examineLoginResponse: jest.fn(),
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persistCredentials: jest.fn(),
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getSecretStorageKey: jest.fn(),
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createSecretStorageKey: jest.fn(),
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catchAccessSecretStorageError: jest.fn(),
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setupEncryptionNeeded: jest.fn(),
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getDehydrationKeyCallback: jest.fn().mockReturnValue(null),
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} as ProvideCryptoSetupExtensions;
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// Ensure we have an instance before we set up spies
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const instance = ModuleRunner.instance;
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jest.spyOn(instance.extensions, "cryptoSetup", "get").mockReturnValue(mockCryptoSetup);
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testPeg.replaceUsingCreds({
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accessToken: "SEKRET",
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homeserverUrl: "http://example.com",
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userId: "@user:example.com",
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deviceId: "TEST_DEVICE_ID",
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});
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expect(mockCryptoSetup.getDehydrationKeyCallback).toHaveBeenCalledTimes(1);
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});
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it("should call overridden cryptoSetup.getDehydrationKeyCallback", async () => {
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const mockDehydrationKeyCallback = () => Uint8Array.from([0x11, 0x22, 0x33]);
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const mockCryptoSetup = {
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SHOW_ENCRYPTION_SETUP_UI: true,
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examineLoginResponse: jest.fn(),
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persistCredentials: jest.fn(),
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getSecretStorageKey: jest.fn(),
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createSecretStorageKey: jest.fn(),
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catchAccessSecretStorageError: jest.fn(),
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setupEncryptionNeeded: jest.fn(),
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getDehydrationKeyCallback: jest.fn().mockReturnValue(mockDehydrationKeyCallback),
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} as ProvideCryptoSetupExtensions;
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// Ensure we have an instance before we set up spies
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const instance = ModuleRunner.instance;
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jest.spyOn(instance.extensions, "cryptoSetup", "get").mockReturnValue(mockCryptoSetup);
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testPeg.replaceUsingCreds({
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accessToken: "SEKRET",
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homeserverUrl: "http://example.com",
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userId: "@user:example.com",
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deviceId: "TEST_DEVICE_ID",
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});
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expect(mockCryptoSetup.getDehydrationKeyCallback).toHaveBeenCalledTimes(1);
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const client = testPeg.get();
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const dehydrationKey = await client?.cryptoCallbacks.getDehydrationKey!(
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{} as SecretStorageKeyDescription,
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(key: Uint8Array) => true,
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);
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expect(dehydrationKey).toEqual(Uint8Array.from([0x11, 0x22, 0x33]));
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});
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});
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});
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describe(".start", () => {
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let testPeg: IMatrixClientPeg;
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beforeEach(() => {
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// instantiate a MatrixClientPegClass instance, with a new MatrixClient
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testPeg = new PegClass();
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fetchMockJest.get("http://example.com/_matrix/client/versions", {});
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testPeg.replaceUsingCreds({
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accessToken: "SEKRET",
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homeserverUrl: "http://example.com",
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userId: "@user:example.com",
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deviceId: "TEST_DEVICE_ID",
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});
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});
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describe("legacy crypto", () => {
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beforeEach(() => {
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const originalGetValue = SettingsStore.getValue;
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jest.spyOn(SettingsStore, "getValue").mockImplementation(
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(settingName: string, roomId: string | null = null, excludeDefault = false) => {
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if (settingName === "feature_rust_crypto") {
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return false;
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}
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return originalGetValue(settingName, roomId, excludeDefault);
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},
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);
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});
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it("should initialise client crypto", async () => {
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const mockInitCrypto = jest.spyOn(testPeg.safeGet(), "initCrypto").mockResolvedValue(undefined);
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const mockSetTrustCrossSignedDevices = jest
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.spyOn(testPeg.safeGet(), "setCryptoTrustCrossSignedDevices")
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.mockImplementation(() => {});
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const mockStartClient = jest.spyOn(testPeg.safeGet(), "startClient").mockResolvedValue(undefined);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalledTimes(1);
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expect(mockSetTrustCrossSignedDevices).toHaveBeenCalledTimes(1);
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expect(mockStartClient).toHaveBeenCalledTimes(1);
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});
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it("should carry on regardless if there is an error initialising crypto", async () => {
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const e2eError = new Error("nope nope nope");
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const mockInitCrypto = jest.spyOn(testPeg.safeGet(), "initCrypto").mockRejectedValue(e2eError);
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const mockSetTrustCrossSignedDevices = jest
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.spyOn(testPeg.safeGet(), "setCryptoTrustCrossSignedDevices")
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.mockImplementation(() => {});
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const mockStartClient = jest.spyOn(testPeg.safeGet(), "startClient").mockResolvedValue(undefined);
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const mockWarning = jest.spyOn(logger, "warn").mockReturnValue(undefined);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalledTimes(1);
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expect(mockSetTrustCrossSignedDevices).not.toHaveBeenCalled();
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expect(mockStartClient).toHaveBeenCalledTimes(1);
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expect(mockWarning).toHaveBeenCalledWith(expect.stringMatching("Unable to initialise e2e"), e2eError);
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});
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it("should reload when store database closes for a guest user", async () => {
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testPeg.safeGet().isGuest = () => true;
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const emitter = new EventEmitter();
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testPeg.safeGet().store.on = emitter.on.bind(emitter);
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const platform: any = { reload: jest.fn() };
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PlatformPeg.set(platform);
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await testPeg.assign({});
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emitter.emit("closed" as any);
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expect(platform.reload).toHaveBeenCalled();
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});
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it("should show error modal when store database closes", async () => {
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testPeg.safeGet().isGuest = () => false;
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const emitter = new EventEmitter();
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const platform: any = { getHumanReadableName: jest.fn() };
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PlatformPeg.set(platform);
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testPeg.safeGet().store.on = emitter.on.bind(emitter);
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const spy = jest.spyOn(Modal, "createDialog");
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await testPeg.assign({});
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emitter.emit("closed" as any);
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expect(spy).toHaveBeenCalled();
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});
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});
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it("should initialise the rust crypto library by default", async () => {
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await SettingsStore.setValue(Features.RustCrypto, null, SettingLevel.DEVICE, null);
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const mockSetValue = jest.spyOn(SettingsStore, "setValue").mockResolvedValue(undefined);
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const mockInitCrypto = jest.spyOn(testPeg.safeGet(), "initCrypto").mockResolvedValue(undefined);
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const mockInitRustCrypto = jest.spyOn(testPeg.safeGet(), "initRustCrypto").mockResolvedValue(undefined);
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const cryptoStoreKey = new Uint8Array([1, 2, 3, 4]);
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await testPeg.start({ rustCryptoStoreKey: cryptoStoreKey });
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expect(mockInitCrypto).not.toHaveBeenCalled();
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expect(mockInitRustCrypto).toHaveBeenCalledWith({ storageKey: cryptoStoreKey });
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, true);
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});
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it("should initialise the legacy crypto library if set", async () => {
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await SettingsStore.setValue(Features.RustCrypto, null, SettingLevel.DEVICE, null);
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const originalGetValue = SettingsStore.getValue;
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jest.spyOn(SettingsStore, "getValue").mockImplementation(
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(settingName: string, roomId: string | null = null, excludeDefault = false) => {
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if (settingName === "feature_rust_crypto") {
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return false;
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}
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return originalGetValue(settingName, roomId, excludeDefault);
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},
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);
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const mockSetValue = jest.spyOn(SettingsStore, "setValue").mockResolvedValue(undefined);
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const mockInitCrypto = jest.spyOn(testPeg.safeGet(), "initCrypto").mockResolvedValue(undefined);
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const mockInitRustCrypto = jest.spyOn(testPeg.safeGet(), "initRustCrypto").mockResolvedValue(undefined);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalled();
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expect(mockInitRustCrypto).not.toHaveBeenCalled();
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, false);
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});
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describe("Rust staged rollout", () => {
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function mockSettingStore(
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userIsUsingRust: boolean,
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newLoginShouldUseRust: boolean,
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rolloutPercent: number | null,
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) {
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const originalGetValue = SettingsStore.getValue;
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jest.spyOn(SettingsStore, "getValue").mockImplementation(
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(settingName: string, roomId: string | null = null, excludeDefault = false) => {
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if (settingName === "feature_rust_crypto") {
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return userIsUsingRust;
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}
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return originalGetValue(settingName, roomId, excludeDefault);
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},
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);
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const originalGetValueAt = SettingsStore.getValueAt;
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jest.spyOn(SettingsStore, "getValueAt").mockImplementation(
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(level: SettingLevel, settingName: string) => {
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if (settingName === "feature_rust_crypto") {
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return newLoginShouldUseRust;
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}
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// if null we let the original implementation handle it to get the default
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if (settingName === "RustCrypto.staged_rollout_percent" && rolloutPercent !== null) {
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return rolloutPercent;
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}
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return originalGetValueAt(level, settingName);
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},
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);
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}
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let mockSetValue: jest.SpyInstance;
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let mockInitCrypto: jest.SpyInstance;
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let mockInitRustCrypto: jest.SpyInstance;
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beforeEach(async () => {
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mockSetValue = jest.spyOn(SettingsStore, "setValue").mockResolvedValue(undefined);
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mockInitCrypto = jest.spyOn(testPeg.safeGet(), "initCrypto").mockResolvedValue(undefined);
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mockInitRustCrypto = jest.spyOn(testPeg.safeGet(), "initRustCrypto").mockResolvedValue(undefined);
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await SettingsStore.setValue(Features.RustCrypto, null, SettingLevel.DEVICE, null);
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});
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it("Should not migrate existing login if rollout is 0", async () => {
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mockSettingStore(false, true, 0);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalled();
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expect(mockInitRustCrypto).not.toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, false);
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});
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it("Should migrate existing login if rollout is 100", async () => {
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mockSettingStore(false, true, 100);
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await testPeg.start();
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expect(mockInitCrypto).not.toHaveBeenCalled();
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expect(mockInitRustCrypto).toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, true);
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});
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it("Should migrate existing login if user is in rollout bucket", async () => {
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mockSettingStore(false, true, 30);
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// Use a device id that is known to be in the 30% bucket (hash modulo 100 < 30)
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const spy = jest.spyOn(testPeg.get()!, "getDeviceId").mockReturnValue("AAA");
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await testPeg.start();
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expect(mockInitCrypto).not.toHaveBeenCalled();
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expect(mockInitRustCrypto).toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, true);
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spy.mockReset();
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});
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it("Should not migrate existing login if rollout is malformed", async () => {
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mockSettingStore(false, true, 100.1);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalled();
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expect(mockInitRustCrypto).not.toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, false);
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});
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it("Default is to not migrate", async () => {
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mockSettingStore(false, true, null);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalled();
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expect(mockInitRustCrypto).not.toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, false);
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});
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it("Should not migrate if feature_rust_crypto is false", async () => {
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mockSettingStore(false, false, 100);
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await testPeg.start();
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expect(mockInitCrypto).toHaveBeenCalled();
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expect(mockInitRustCrypto).not.toHaveBeenCalledTimes(1);
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// we should have stashed the setting in the settings store
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expect(mockSetValue).toHaveBeenCalledWith("feature_rust_crypto", null, SettingLevel.DEVICE, false);
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});
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});
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});
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});
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