element-web-Github/test/utils/exportUtils/HTMLExport-test.ts
David Langley 491f0cd08a
Change license (#13)
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2024-09-09 13:57:16 +00:00

591 lines
18 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2022, 2023 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 {
EventType,
IRoomEvent,
MatrixClient,
MatrixEvent,
MsgType,
Room,
RoomMember,
RoomState,
} from "matrix-js-sdk/src/matrix";
import fetchMock from "fetch-mock-jest";
import escapeHtml from "escape-html";
import { filterConsole, mkStubRoom, REPEATABLE_DATE, stubClient } from "../../test-utils";
import { ExportType, IExportOptions } from "../../../src/utils/exportUtils/exportUtils";
import SdkConfig from "../../../src/SdkConfig";
import HTMLExporter from "../../../src/utils/exportUtils/HtmlExport";
import DMRoomMap from "../../../src/utils/DMRoomMap";
import { mediaFromMxc } from "../../../src/customisations/Media";
jest.mock("jszip");
const EVENT_MESSAGE: IRoomEvent = {
event_id: "$1",
type: EventType.RoomMessage,
sender: "@bob:example.com",
origin_server_ts: 0,
content: {
msgtype: "m.text",
body: "Message",
avatar_url: "mxc://example.org/avatar.bmp",
},
};
const EVENT_ATTACHMENT: IRoomEvent = {
event_id: "$2",
type: EventType.RoomMessage,
sender: "@alice:example.com",
origin_server_ts: 1,
content: {
msgtype: MsgType.File,
body: "hello.txt",
filename: "hello.txt",
url: "mxc://example.org/test-id",
},
};
const EVENT_ATTACHMENT_MALFORMED: IRoomEvent = {
event_id: "$2",
type: EventType.RoomMessage,
sender: "@alice:example.com",
origin_server_ts: 1,
content: {
msgtype: MsgType.File,
body: "hello.txt",
file: {
url: undefined,
},
},
};
describe("HTMLExport", () => {
let client: jest.Mocked<MatrixClient>;
let room: Room;
filterConsole(
"Starting export",
"events in", // Fetched # events in # seconds
"events so far",
"Export successful!",
"does not have an m.room.create event",
"Creating HTML",
"Generating a ZIP",
"Cleaning up",
);
beforeEach(() => {
jest.useFakeTimers();
jest.setSystemTime(REPEATABLE_DATE);
client = stubClient() as jest.Mocked<MatrixClient>;
DMRoomMap.makeShared(client);
room = new Room("!myroom:example.org", client, "@me:example.org");
client.getRoom.mockReturnValue(room);
});
function mockMessages(...events: IRoomEvent[]): void {
client.createMessagesRequest.mockImplementation((_roomId, fromStr, limit = 30) => {
const from = fromStr === null ? 0 : parseInt(fromStr);
const chunk = events.slice(from, limit);
return Promise.resolve({
chunk,
from: from.toString(),
to: (from + limit).toString(),
});
});
}
/** Retrieve a map of files within the zip. */
function getFiles(exporter: HTMLExporter): { [filename: string]: Blob } {
//@ts-ignore private access
const files = exporter.files;
return files.reduce((d, f) => ({ ...d, [f.name]: f.blob }), {});
}
function getMessageFile(exporter: HTMLExporter): Blob {
const files = getFiles(exporter);
return files["messages.html"]!;
}
/** set a mock fetch response for an MXC */
function mockMxc(mxc: string, body: string) {
const media = mediaFromMxc(mxc, client);
fetchMock.get(media.srcHttp!, body);
}
it("should throw when created with invalid config for LastNMessages", async () => {
expect(
() =>
new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: undefined,
},
() => {},
),
).toThrow("Invalid export options");
});
it("should have an SDK-branded destination file name", () => {
const roomName = "My / Test / Room: Welcome";
const stubOptions: IExportOptions = {
attachmentsIncluded: false,
maxSize: 50000000,
numberOfMessages: 40,
};
const stubRoom = mkStubRoom("!myroom:example.org", roomName, client);
const exporter = new HTMLExporter(stubRoom, ExportType.LastNMessages, stubOptions, () => {});
expect(exporter.destinationFileName).toMatchSnapshot();
SdkConfig.put({ brand: "BrandedChat/WithSlashes/ForFun" });
expect(exporter.destinationFileName).toMatchSnapshot();
});
it("should export", async () => {
const events = [...Array(50)].map<IRoomEvent>((_, i) => ({
event_id: `${i}`,
type: EventType.RoomMessage,
sender: `@user${i}:example.com`,
origin_server_ts: 5_000 + i * 1000,
content: {
msgtype: "m.text",
body: `Message #${i}`,
},
}));
mockMessages(...events);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: events.length,
},
() => {},
);
await exporter.export();
const file = getMessageFile(exporter);
expect(await file.text()).toMatchSnapshot();
});
it("should include the room's avatar", async () => {
mockMessages(EVENT_MESSAGE);
const mxc = "mxc://www.example.com/avatars/nice-room.jpeg";
const avatar = "011011000110111101101100";
jest.spyOn(room, "getMxcAvatarUrl").mockReturnValue(mxc);
mockMxc(mxc, avatar);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
const files = getFiles(exporter);
expect(await files["room.png"]!.text()).toBe(avatar);
});
it("should include the creation event", async () => {
const creator = "@bob:example.com";
mockMessages(EVENT_MESSAGE);
room.currentState.setStateEvents([
new MatrixEvent({
type: EventType.RoomCreate,
event_id: "$00001",
room_id: room.roomId,
sender: creator,
origin_server_ts: 0,
content: {},
state_key: "",
}),
]);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
expect(await getMessageFile(exporter).text()).toContain(`${creator} created this room.`);
});
it("should include the topic", async () => {
const topic = ":^-) (-^:";
mockMessages(EVENT_MESSAGE);
room.currentState.setStateEvents([
new MatrixEvent({
type: EventType.RoomTopic,
event_id: "$00001",
room_id: room.roomId,
sender: "@alice:example.com",
origin_server_ts: 0,
content: { topic },
state_key: "",
}),
]);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
expect(await getMessageFile(exporter).text()).toContain(`Topic: ${topic}`);
});
it("should include avatars", async () => {
mockMessages(EVENT_MESSAGE);
jest.spyOn(RoomMember.prototype, "getMxcAvatarUrl").mockReturnValue("mxc://example.org/avatar.bmp");
const avatarContent = "this is a bitmap all the pixels are red :^-)";
mockMxc("mxc://example.org/avatar.bmp", avatarContent);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
// Ensure that the avatar is present
const files = getFiles(exporter);
const file = files["users/@bob-example.com.png"];
expect(file).not.toBeUndefined();
// Ensure it has the expected content
expect(await file.text()).toBe(avatarContent);
});
it("should handle when an event has no sender", async () => {
const EVENT_MESSAGE_NO_SENDER: IRoomEvent = {
event_id: "$1",
type: EventType.RoomMessage,
sender: "",
origin_server_ts: 0,
content: {
msgtype: "m.text",
body: "Message with no sender",
},
};
mockMessages(EVENT_MESSAGE_NO_SENDER);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
const file = getMessageFile(exporter);
expect(await file.text()).toContain(EVENT_MESSAGE_NO_SENDER.content.body);
});
it("should handle when events sender cannot be found in room state", async () => {
mockMessages(EVENT_MESSAGE);
jest.spyOn(RoomState.prototype, "getSentinelMember").mockReturnValue(null);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
const file = getMessageFile(exporter);
expect(await file.text()).toContain(EVENT_MESSAGE.content.body);
});
it("should include attachments", async () => {
mockMessages(EVENT_MESSAGE, EVENT_ATTACHMENT);
const attachmentBody = "Lorem ipsum dolor sit amet";
mockMxc("mxc://example.org/test-id", attachmentBody);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: true,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
// Ensure that the attachment is present
const files = getFiles(exporter);
const file = files[Object.keys(files).find((k) => k.endsWith(".txt"))!];
expect(file).not.toBeUndefined();
// Ensure that the attachment has the expected content
const text = await file.text();
expect(text).toBe(attachmentBody);
});
it("should handle when attachment cannot be fetched", async () => {
mockMessages(EVENT_MESSAGE, EVENT_ATTACHMENT_MALFORMED, EVENT_ATTACHMENT);
const attachmentBody = "Lorem ipsum dolor sit amet";
mockMxc("mxc://example.org/test-id", attachmentBody);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: true,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
// good attachment present
const files = getFiles(exporter);
const file = files[Object.keys(files).find((k) => k.endsWith(".txt"))!];
expect(file).not.toBeUndefined();
// Ensure that the attachment has the expected content
const text = await file.text();
expect(text).toBe(attachmentBody);
// messages export still successful
const messagesFile = getMessageFile(exporter);
expect(await messagesFile.text()).toBeTruthy();
});
it("should handle when attachment srcHttp is falsy", async () => {
mockMessages(EVENT_MESSAGE, EVENT_ATTACHMENT);
const attachmentBody = "Lorem ipsum dolor sit amet";
mockMxc("mxc://example.org/test-id", attachmentBody);
jest.spyOn(client, "mxcUrlToHttp").mockReturnValue(null);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: true,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
// attachment not present
const files = getFiles(exporter);
const file = files[Object.keys(files).find((k) => k.endsWith(".txt"))!];
expect(file).toBeUndefined();
// messages export still successful
const messagesFile = getMessageFile(exporter);
expect(await messagesFile.text()).toBeTruthy();
});
it("should omit attachments", async () => {
mockMessages(EVENT_MESSAGE, EVENT_ATTACHMENT);
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
// Ensure that the attachment is present
const files = getFiles(exporter);
for (const fileName of Object.keys(files)) {
expect(fileName).not.toMatch(/^files\/hello/);
}
});
it("should add link to next and previous file", async () => {
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 5000,
},
() => {},
);
// test link to the first page
//@ts-ignore private access
let result = await exporter.wrapHTML("", 0, 3);
expect(result).not.toContain("Previous group of messages");
expect(result).toContain(
'<div style="text-align:center;margin:10px"><a href="./messages2.html" style="font-weight:bold">Next group of messages</a></div>',
);
// test link for a middle page
//@ts-ignore private access
result = await exporter.wrapHTML("", 1, 3);
expect(result).toContain(
'<div style="text-align:center"><a href="./messages.html" style="font-weight:bold">Previous group of messages</a></div>',
);
expect(result).toContain(
'<div style="text-align:center;margin:10px"><a href="./messages3.html" style="font-weight:bold">Next group of messages</a></div>',
);
// test link for last page
//@ts-ignore private access
result = await exporter.wrapHTML("", 2, 3);
expect(result).toContain(
'<div style="text-align:center"><a href="./messages2.html" style="font-weight:bold">Previous group of messages</a></div>',
);
expect(result).not.toContain("Next group of messages");
});
it("should not leak javascript from room names or topics", async () => {
const name = "<svg onload=alert(3)>";
const topic = "<svg onload=alert(5)>";
mockMessages(EVENT_MESSAGE);
room.currentState.setStateEvents([
new MatrixEvent({
type: EventType.RoomName,
event_id: "$00001",
room_id: room.roomId,
sender: "@alice:example.com",
origin_server_ts: 0,
content: { name },
state_key: "",
}),
new MatrixEvent({
type: EventType.RoomTopic,
event_id: "$00002",
room_id: room.roomId,
sender: "@alice:example.com",
origin_server_ts: 1,
content: { topic },
state_key: "",
}),
]);
room.recalculate();
const exporter = new HTMLExporter(
room,
ExportType.LastNMessages,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
numberOfMessages: 40,
},
() => {},
);
await exporter.export();
const html = await getMessageFile(exporter).text();
expect(html).not.toContain(`${name}`);
expect(html).toContain(`${escapeHtml(name)}`);
expect(html).not.toContain(`${topic}`);
expect(html).toContain(`Topic: ${escapeHtml(topic)}`);
});
it("should not make /messages requests when exporting 'Current Timeline'", async () => {
client.createMessagesRequest.mockRejectedValue(new Error("Should never be called"));
room.addLiveEvents([
new MatrixEvent({
event_id: `$eventId`,
type: EventType.RoomMessage,
sender: client.getSafeUserId(),
origin_server_ts: 123456789,
content: {
msgtype: "m.text",
body: `testing testing`,
},
}),
]);
const exporter = new HTMLExporter(
room,
ExportType.Timeline,
{
attachmentsIncluded: false,
maxSize: 1_024 * 1_024,
},
() => {},
);
await exporter.export();
const file = getMessageFile(exporter);
expect(await file.text()).toContain("testing testing");
expect(client.createMessagesRequest).not.toHaveBeenCalled();
});
});