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https://github.com/vector-im/element-web.git
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f28f1d998f
* Add labs option to exclude unverified devices Add a labs option which will, when set, switch into the "invisible crypto" mode of refusing to send keys to, or decrypt messages from, devices that have not been signed by their owner. * DecryptionFailureBody: better error messages Improve the error messages shown for messages from insecure devices. * playwright: factor out `createSecondBotDevice` utility * Playwright test for messages from insecure devices * fixup! DecryptionFailureBody: better error messages Use compound colour tokens, and add a background colour. * fixup! DecryptionFailureBody: better error messages Use compound spacing tokens
303 lines
14 KiB
TypeScript
303 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
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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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});
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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(page.getByRole("tooltip")).toContainText("This message could not be decrypted");
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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(page.getByRole("tooltip")).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(page.getByRole("tooltip")).toContainText("Encrypted by a device not verified by its owner.");
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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(page.getByRole("tooltip")).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(page.getByRole("tooltip")).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
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const last = page.locator(".mx_EventTile_last");
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await expect(last).toContainText("test encrypted from unverified");
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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(page.getByRole("tooltip")).toContainText("Encrypted by a device not verified by its owner.");
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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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