Element-R: Starting a DMs with a user (#10673)

* Use `cli.getUserDeviceInfo` instead of `cli.downloadKeys` to create a room

* Use `client.getCrypto().getUserDeviceInfo` instead of `client.getUserDeviceInfo`

* Update `createRoom-test.ts` to use `getUserDeviceInfo`

* Remove duplicate  field

src/createRoom.ts

@@ -397,7 +397,10 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
  */
 export async function canEncryptToAllUsers(client: MatrixClient, userIds: string[]): Promise<boolean> {
     try {
-        const usersDeviceMap = await client.downloadKeys(userIds);
+        const usersDeviceMap = await client.getCrypto()?.getUserDeviceInfo(userIds, true);
+        if (!usersDeviceMap) {
+            return false;
+        }
 
         for (const devices of usersDeviceMap.values()) {
             if (devices.size === 0) {

test/createRoom-test.ts

@@ -15,8 +15,7 @@ limitations under the License.
 */
 
 import { mocked, Mocked } from "jest-mock";
-import { MatrixClient } from "matrix-js-sdk/src/matrix";
-import { DeviceInfo } from "matrix-js-sdk/src/crypto/deviceinfo";
+import { CryptoApi, MatrixClient, Device } from "matrix-js-sdk/src/matrix";
 import { RoomType } from "matrix-js-sdk/src/@types/event";
 
 import { stubClient, setupAsyncStoreWithClient, mockPlatformPeg } from "./test-utils";
@@ -151,30 +150,32 @@ describe("canEncryptToAllUsers", () => {
     const user2Id = "@user2:example.com";
 
     const devices = new Map([
-        ["DEV1", {} as unknown as DeviceInfo],
-        ["DEV2", {} as unknown as DeviceInfo],
+        ["DEV1", {} as unknown as Device],
+        ["DEV2", {} as unknown as Device],
     ]);
 
     let client: Mocked<MatrixClient>;
+    let cryptoApi: Mocked<CryptoApi>;
 
     beforeAll(() => {
         client = mocked(stubClient());
+        cryptoApi = mocked(client.getCrypto()!);
     });
 
     it("should return true if userIds is empty", async () => {
-        client.downloadKeys.mockResolvedValue(new Map());
+        cryptoApi.getUserDeviceInfo.mockResolvedValue(new Map());
         const result = await canEncryptToAllUsers(client, []);
         expect(result).toBe(true);
     });
 
     it("should return true if download keys does not return any user", async () => {
-        client.downloadKeys.mockResolvedValue(new Map());
+        cryptoApi.getUserDeviceInfo.mockResolvedValue(new Map());
         const result = await canEncryptToAllUsers(client, [user1Id, user2Id]);
         expect(result).toBe(true);
     });
 
     it("should return false if none of the users has a device", async () => {
-        client.downloadKeys.mockResolvedValue(
+        cryptoApi.getUserDeviceInfo.mockResolvedValue(
             new Map([
                 [user1Id, new Map()],
                 [user2Id, new Map()],
@@ -185,7 +186,7 @@ describe("canEncryptToAllUsers", () => {
     });
 
     it("should return false if some of the users don't have a device", async () => {
-        client.downloadKeys.mockResolvedValue(
+        cryptoApi.getUserDeviceInfo.mockResolvedValue(
             new Map([
                 [user1Id, new Map()],
                 [user2Id, devices],
@@ -196,7 +197,7 @@ describe("canEncryptToAllUsers", () => {
     });
 
     it("should return true if all users have a device", async () => {
-        client.downloadKeys.mockResolvedValue(
+        cryptoApi.getUserDeviceInfo.mockResolvedValue(
             new Map([
                 [user1Id, devices],
                 [user2Id, devices],

test/test-utils/test-utils.ts

@@ -120,6 +120,7 @@ export function createTestClient(): MatrixClient {
                 downloadKeys: jest.fn(),
             },
         },
+        getCrypto: jest.fn().mockReturnValue({ getUserDeviceInfo: jest.fn() }),
 
         getPushActionsForEvent: jest.fn(),
         getRoom: jest.fn().mockImplementation((roomId) => mkStubRoom(roomId, "My room", client)),
@@ -233,7 +234,6 @@ export function createTestClient(): MatrixClient {
         }),
 
         searchUserDirectory: jest.fn().mockResolvedValue({ limited: false, results: [] }),
-        getCrypto: jest.fn(),
     } as unknown as MatrixClient;
 
     client.reEmitter = new ReEmitter(client);