312 lines
14 KiB
TypeScript
312 lines
14 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2022-2024 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { expect, test } from "../../element-web-test";
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import {
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autoJoin,
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createSecondBotDevice,
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createSharedRoomWithUser,
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enableKeyBackup,
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logIntoElement,
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logOutOfElement,
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verify,
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} from "./utils";
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test.describe("Cryptography", function () {
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test.use({
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displayName: "Alice",
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botCreateOpts: {
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displayName: "Bob",
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autoAcceptInvites: false,
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},
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});
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test.describe("event shields", () => {
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let testRoomId: string;
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test.beforeEach(async ({ page, bot: bob, user: aliceCredentials, app }) => {
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await app.client.bootstrapCrossSigning(aliceCredentials);
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await autoJoin(bob);
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// create an encrypted room, and wait for Bob to join it.
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testRoomId = await createSharedRoomWithUser(app, bob.credentials.userId, {
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name: "TestRoom",
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initial_state: [
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{
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type: "m.room.encryption",
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state_key: "",
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content: {
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algorithm: "m.megolm.v1.aes-sha2",
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},
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},
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],
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});
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// Even though Alice has seen Bob's join event, Bob may not have done so yet. Wait for the sync to arrive.
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await bob.awaitRoomMembership(testRoomId);
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});
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test("should show the correct shield on e2e events", async ({
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page,
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app,
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bot: bob,
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homeserver,
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}, workerInfo) => {
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// Bob has a second, not cross-signed, device
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const bobSecondDevice = await createSecondBotDevice(page, homeserver, bob);
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await bob.sendEvent(testRoomId, null, "m.room.encrypted", {
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algorithm: "m.megolm.v1.aes-sha2",
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ciphertext: "the bird is in the hand",
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});
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const last = page.locator(".mx_EventTile_last");
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await expect(last).toContainText("Unable to decrypt message");
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const lastE2eIcon = last.locator(".mx_EventTile_e2eIcon");
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await expect(lastE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_decryption_failure/);
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await lastE2eIcon.focus();
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await expect(await app.getTooltipForElement(lastE2eIcon)).toContainText(
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"This message could not be decrypted",
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);
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/* Should show a red padlock for an unencrypted message in an e2e room */
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await bob.evaluate(
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(cli, testRoomId) =>
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cli.http.authedRequest(
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window.matrixcs.Method.Put,
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`/rooms/${encodeURIComponent(testRoomId)}/send/m.room.message/test_txn_1`,
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undefined,
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{
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msgtype: "m.text",
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body: "test unencrypted",
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},
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),
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testRoomId,
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);
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await expect(last).toContainText("test unencrypted");
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await expect(lastE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_warning/);
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await lastE2eIcon.focus();
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await expect(await app.getTooltipForElement(lastE2eIcon)).toContainText("Not encrypted");
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/* Should show no padlock for an unverified user */
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// bob sends a valid event
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await bob.sendMessage(testRoomId, "test encrypted 1");
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// the message should appear, decrypted, with no warning, but also no "verified"
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const lastTile = page.locator(".mx_EventTile_last");
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const lastTileE2eIcon = lastTile.locator(".mx_EventTile_e2eIcon");
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await expect(lastTile).toContainText("test encrypted 1");
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// no e2e icon
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await expect(lastTileE2eIcon).not.toBeVisible();
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/* Now verify Bob */
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await verify(app, bob);
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/* Existing message should be updated when user is verified. */
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await expect(last).toContainText("test encrypted 1");
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// still no e2e icon
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await expect(last.locator(".mx_EventTile_e2eIcon")).not.toBeVisible();
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/* should show no padlock, and be verified, for a message from a verified device */
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await bob.sendMessage(testRoomId, "test encrypted 2");
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await expect(lastTile).toContainText("test encrypted 2");
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// no e2e icon
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await expect(lastTileE2eIcon).not.toBeVisible();
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/* should show red padlock for a message from an unverified device */
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await bobSecondDevice.sendMessage(testRoomId, "test encrypted from unverified");
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await expect(lastTile).toContainText("test encrypted from unverified");
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await expect(lastTileE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_warning/);
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await lastTileE2eIcon.focus();
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await expect(await app.getTooltipForElement(lastTileE2eIcon)).toContainText(
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"Encrypted by a device not verified by its owner.",
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);
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/* In legacy crypto: should show a grey padlock for a message from a deleted device.
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* In rust crypto: should show a red padlock for a message from an unverified device.
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* Rust crypto remembers the verification state of the sending device, so it will know that the device was
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* unverified, even if it gets deleted. */
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// bob deletes his second device
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await bobSecondDevice.evaluate((cli) => cli.logout(true));
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// wait for the logout to propagate. Workaround for https://github.com/vector-im/element-web/issues/26263 by repeatedly closing and reopening Bob's user info.
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async function awaitOneDevice(iterations = 1) {
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const rightPanel = page.locator(".mx_RightPanel");
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await rightPanel.getByTestId("base-card-back-button").click();
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await rightPanel.getByText("Bob").click();
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const sessionCountText = await rightPanel
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.locator(".mx_UserInfo_devices")
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.getByText(" session", { exact: false })
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.textContent();
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// cf https://github.com/vector-im/element-web/issues/26279: Element-R uses the wrong text here
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if (sessionCountText != "1 session" && sessionCountText != "1 verified session") {
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if (iterations >= 10) {
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throw new Error(`Bob still has ${sessionCountText} after 10 iterations`);
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}
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await awaitOneDevice(iterations + 1);
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}
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}
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await awaitOneDevice();
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// close and reopen the room, to get the shield to update.
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await app.viewRoomByName("Bob");
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await app.viewRoomByName("TestRoom");
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await expect(last).toContainText("test encrypted from unverified");
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await expect(lastE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_warning/);
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await lastE2eIcon.focus();
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await expect(await app.getTooltipForElement(lastE2eIcon)).toContainText(
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workerInfo.project.name === "Legacy Crypto"
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? "Encrypted by an unknown or deleted device."
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: "Encrypted by a device not verified by its owner.",
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);
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});
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test("Should show a grey padlock for a key restored from backup", async ({
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page,
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app,
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bot: bob,
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homeserver,
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user: aliceCredentials,
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}) => {
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test.slow();
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const securityKey = await enableKeyBackup(app);
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// bob sends a valid event
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await bob.sendMessage(testRoomId, "test encrypted 1");
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const lastTile = page.locator(".mx_EventTile_last");
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const lastTileE2eIcon = lastTile.locator(".mx_EventTile_e2eIcon");
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await expect(lastTile).toContainText("test encrypted 1");
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// no e2e icon
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await expect(lastTileE2eIcon).not.toBeVisible();
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// Workaround for https://github.com/element-hq/element-web/issues/27267. It can take up to 10 seconds for
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// the key to be backed up.
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await page.waitForTimeout(10000);
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/* log out, and back in */
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await logOutOfElement(page);
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// Reload to work around a Rust crypto bug where it can hold onto the indexeddb even after logout
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// https://github.com/element-hq/element-web/issues/25779
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await page.addInitScript(() => {
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// When we reload, the initScript created by the `user`/`pageWithCredentials` fixtures
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// will re-inject the original credentials into localStorage, which we don't want.
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// To work around, we add a second initScript which will clear localStorage again.
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window.localStorage.clear();
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});
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await page.reload();
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await logIntoElement(page, homeserver, aliceCredentials, securityKey);
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/* go back to the test room and find Bob's message again */
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await app.viewRoomById(testRoomId);
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await expect(lastTile).toContainText("test encrypted 1");
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// The gray shield would be a mx_EventTile_e2eIcon_normal. The red shield would be a mx_EventTile_e2eIcon_warning.
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// No shield would have no div mx_EventTile_e2eIcon at all.
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await expect(lastTileE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_normal/);
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await lastTileE2eIcon.hover();
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// The key is coming from backup, so it is not anymore possible to establish if the claimed device
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// creator of this key is authentic. The tooltip should be "The authenticity of this encrypted message can't be guaranteed on this device."
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// It is not "Encrypted by an unknown or deleted device." even if the claimed device is actually deleted.
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await expect(await app.getTooltipForElement(lastTileE2eIcon)).toContainText(
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"The authenticity of this encrypted message can't be guaranteed on this device.",
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);
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});
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test("should show the correct shield on edited e2e events", async ({ page, app, bot: bob, homeserver }) => {
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// bob has a second, not cross-signed, device
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const bobSecondDevice = await createSecondBotDevice(page, homeserver, bob);
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// verify Bob
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await verify(app, bob);
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// bob sends a valid event
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const testEvent = await bob.sendMessage(testRoomId, "Hoo!");
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// the message should appear, decrypted, with no warning
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await expect(
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page.locator(".mx_EventTile", { hasText: "Hoo!" }).locator(".mx_EventTile_e2eIcon_warning"),
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).not.toBeVisible();
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// bob sends an edit to the first message with his unverified device
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await bobSecondDevice.sendMessage(testRoomId, {
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"m.new_content": {
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msgtype: "m.text",
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body: "Haa!",
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},
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"m.relates_to": {
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rel_type: "m.replace",
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event_id: testEvent.event_id,
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},
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});
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// the edit should have a warning
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await expect(
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page.locator(".mx_EventTile", { hasText: "Haa!" }).locator(".mx_EventTile_e2eIcon_warning"),
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).toBeVisible();
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// a second edit from the verified device should be ok
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await bob.sendMessage(testRoomId, {
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"m.new_content": {
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msgtype: "m.text",
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body: "Hee!",
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},
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"m.relates_to": {
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rel_type: "m.replace",
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event_id: testEvent.event_id,
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},
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});
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await expect(
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page.locator(".mx_EventTile", { hasText: "Hee!" }).locator(".mx_EventTile_e2eIcon_warning"),
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).not.toBeVisible();
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});
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test("should show correct shields on events sent by devices which have since been deleted", async ({
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page,
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app,
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bot: bob,
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homeserver,
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}) => {
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// Our app is blocked from syncing while Bob sends his messages.
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await app.client.network.goOffline();
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// Bob sends a message from his verified device
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await bob.sendMessage(testRoomId, "test encrypted from verified");
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// And one from a second, not cross-signed, device
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const bobSecondDevice = await createSecondBotDevice(page, homeserver, bob);
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await bobSecondDevice.waitForNextSync(); // make sure the client knows the room is encrypted
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await bobSecondDevice.sendMessage(testRoomId, "test encrypted from unverified");
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// ... and then logs out both devices.
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await bob.evaluate((cli) => cli.logout(true));
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await bobSecondDevice.evaluate((cli) => cli.logout(true));
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// Let our app start syncing again
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await app.client.network.goOnline();
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// Wait for the messages to arrive. It can take quite a while for the sync to wake up.
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const last = page.locator(".mx_EventTile_last");
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await expect(last).toContainText("test encrypted from unverified", { timeout: 20000 });
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const lastE2eIcon = last.locator(".mx_EventTile_e2eIcon");
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await expect(lastE2eIcon).toHaveClass(/mx_EventTile_e2eIcon_warning/);
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await lastE2eIcon.focus();
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await expect(await app.getTooltipForElement(lastE2eIcon)).toContainText(
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"Encrypted by a device not verified by its owner.",
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);
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const penultimate = page.locator(".mx_EventTile").filter({ hasText: "test encrypted from verified" });
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await expect(penultimate.locator(".mx_EventTile_e2eIcon")).not.toBeVisible();
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});
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});
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});
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