element-web/playwright/e2e/crypto/event-shields.spec.ts

309 lines
14 KiB
TypeScript

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