Support for MSC3882 revision 1

src/components/views/settings/devices/LoginWithQRSection.tsx

@@ -15,15 +15,21 @@ limitations under the License.
 */
 
 import React from "react";
+import {
+    IMSC3882GetLoginTokenCapability,
+    IServerVersions,
+    UNSTABLE_MSC3882_CAPABILITY,
+} from "matrix-js-sdk/src/matrix";
 
-import type { IServerVersions } from "matrix-js-sdk/src/matrix";
 import { _t } from "../../../../languageHandler";
 import AccessibleButton from "../../elements/AccessibleButton";
 import SettingsSubsection from "../shared/SettingsSubsection";
 
 interface IProps {
     onShowQr: () => void;
     versions?: IServerVersions;
+    // we can't use the capabilities type from the js-sdk because it isn't exported
+    capabilities?: Record<string, any>;
 }
 
 export default class LoginWithQRSection extends React.Component<IProps> {
@@ -33,7 +39,10 @@ export default class LoginWithQRSection extends React.Component<IProps> {
 
     public render(): JSX.Element | null {
         // Needs server support for MSC3882 and MSC3886:
-        const msc3882Supported = !!this.props.versions?.unstable_features?.["org.matrix.msc3882"];
+        // in r0 of MSC3882 it is exposed as a feature flag, but in r1 it is a capability
+        const capability = UNSTABLE_MSC3882_CAPABILITY.findIn<IMSC3882GetLoginTokenCapability>(this.props.capabilities);
+        const msc3882Supported =
+            !!this.props.versions?.unstable_features?.["org.matrix.msc3882"] || !!capability?.enabled;
         const msc3886Supported = !!this.props.versions?.unstable_features?.["org.matrix.msc3886"];
         const offerShowQr = msc3882Supported && msc3886Supported;
 

src/components/views/settings/tabs/user/SecurityUserSettingsTab.tsx

@@ -82,6 +82,8 @@ interface IState {
     invitedRoomIds: Set<string>;
     showLoginWithQR: Mode | null;
     versions?: IServerVersions;
+    // we can't use the capabilities type from the js-sdk because it isn't exported
+    capabilities?: Record<string, any>;
 }
 
 export default class SecurityUserSettingsTab extends React.Component<IProps, IState> {
@@ -116,6 +118,9 @@ export default class SecurityUserSettingsTab extends React.Component<IProps, ISt
         MatrixClientPeg.get()
             .getVersions()
             .then((versions) => this.setState({ versions }));
+        MatrixClientPeg.get()
+            .getCapabilities()
+            .then((capabilities) => this.setState({ capabilities }));
     }
 
     public componentWillUnmount(): void {
@@ -393,7 +398,11 @@ export default class SecurityUserSettingsTab extends React.Component<IProps, ISt
                     </span>
                     <DevicesPanel />
                 </div>
-                <LoginWithQRSection onShowQr={this.onShowQRClicked} versions={this.state.versions} />
+                <LoginWithQRSection
+                    onShowQr={this.onShowQRClicked}
+                    versions={this.state.versions}
+                    capabilities={this.state.capabilities}
+                />
             </>
         );
 

src/components/views/settings/tabs/user/SessionManagerTab.tsx

@@ -132,6 +132,7 @@ const SessionManagerTab: React.FC = () => {
     const userId = matrixClient.getUserId();
     const currentUserMember = (userId && matrixClient.getUser(userId)) || undefined;
     const clientVersions = useAsyncMemo(() => matrixClient.getVersions(), [matrixClient]);
+    const capabilities = useAsyncMemo(async () => matrixClient?.getCapabilities(), [matrixClient]);
 
     const onDeviceExpandToggle = (deviceId: ExtendedDevice["device_id"]): void => {
         if (expandedDeviceIds.includes(deviceId)) {
@@ -279,7 +280,7 @@ const SessionManagerTab: React.FC = () => {
                     />
                 </SettingsSubsection>
             )}
-            <LoginWithQRSection onShowQr={onShowQrClicked} versions={clientVersions} />
+            <LoginWithQRSection onShowQr={onShowQrClicked} versions={clientVersions} capabilities={capabilities} />
         </SettingsTab>
     );
 };

test/components/views/settings/devices/LoginWithQR-test.tsx

@@ -18,6 +18,7 @@ import { cleanup, render, waitFor } from "@testing-library/react";
 import { mocked } from "jest-mock";
 import React from "react";
 import { MSC3906Rendezvous, RendezvousFailureReason } from "matrix-js-sdk/src/rendezvous";
+import { LoginTokenPostResponse } from "matrix-js-sdk/src/@types/auth";
 
 import LoginWithQR, { Click, Mode, Phase } from "../../../../../src/components/views/auth/LoginWithQR";
 import type { MatrixClient } from "matrix-js-sdk/src/matrix";
@@ -87,8 +88,9 @@ describe("<LoginWithQR />", () => {
         jest.spyOn(MSC3906Rendezvous.prototype, "verifyNewDeviceOnExistingDevice").mockResolvedValue(undefined);
         client.requestLoginToken.mockResolvedValue({
             login_token: "token",
-            expires_in: 1000,
-        });
+            expires_in: 1000, // this is as per MSC3882 r0
+            expires_in_ms: 1000 * 1000, // this is as per MSC3882 r1
+        } as LoginTokenPostResponse); // we force the type here so that it works with versions of js-sdk that don't have r1 support yet
     });
 
     afterEach(() => {

test/components/views/settings/devices/LoginWithQRSection-test.tsx

@@ -16,7 +16,7 @@ limitations under the License.
 
 import { render } from "@testing-library/react";
 import { mocked } from "jest-mock";
-import { IServerVersions, MatrixClient } from "matrix-js-sdk/src/matrix";
+import { IServerVersions, MatrixClient, UNSTABLE_MSC3882_CAPABILITY } from "matrix-js-sdk/src/matrix";
 import React from "react";
 
 import LoginWithQRSection from "../../../../../src/components/views/settings/devices/LoginWithQRSection";
@@ -69,6 +69,23 @@ describe("<LoginWithQRSection />", () => {
             const { container } = render(getComponent({ versions: makeVersions({ "org.matrix.msc3882": true }) }));
             expect(container).toMatchSnapshot();
         });
+
+        it("only MSC3882 r1 enabled", async () => {
+            const { container } = render(
+                getComponent({ capabilities: { [UNSTABLE_MSC3882_CAPABILITY.name]: { enabled: true } } }),
+            );
+            expect(container).toMatchSnapshot();
+        });
+
+        it("MSC3886 + MSC3882 r1 disabled", async () => {
+            const { container } = render(
+                getComponent({
+                    versions: makeVersions({ "org.matrix.msc3886": true }),
+                    capabilities: { [UNSTABLE_MSC3882_CAPABILITY.name]: { enabled: false } },
+                }),
+            );
+            expect(container).toMatchSnapshot();
+        });
     });
 
     describe("should render panel", () => {
@@ -83,5 +100,19 @@ describe("<LoginWithQRSection />", () => {
             );
             expect(container).toMatchSnapshot();
         });
+
+        it("MSC3882 r1 + MSC3886", async () => {
+            const { container } = render(
+                getComponent({
+                    versions: makeVersions({
+                        "org.matrix.msc3886": true,
+                    }),
+                    capabilities: {
+                        [UNSTABLE_MSC3882_CAPABILITY.name]: { enabled: true },
+                    },
+                }),
+            );
+            expect(container).toMatchSnapshot();
+        });
     });
 });

test/components/views/settings/devices/__snapshots__/LoginWithQRSection-test.tsx.snap

@@ -1,9 +1,13 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`<LoginWithQRSection /> should not render MSC3886 + MSC3882 r1 disabled 1`] = `<div />`;
+
 exports[`<LoginWithQRSection /> should not render no support at all 1`] = `<div />`;
 
 exports[`<LoginWithQRSection /> should not render only MSC3882 enabled 1`] = `<div />`;
 
+exports[`<LoginWithQRSection /> should not render only MSC3882 r1 enabled 1`] = `<div />`;
+
 exports[`<LoginWithQRSection /> should render panel MSC3882 + MSC3886 1`] = `
 <div>
   <div
@@ -41,3 +45,41 @@ exports[`<LoginWithQRSection /> should render panel MSC3882 + MSC3886 1`] = `
   </div>
 </div>
 `;
+
+exports[`<LoginWithQRSection /> should render panel MSC3882 r1 + MSC3886 1`] = `
+<div>
+  <div
+    class="mx_SettingsSubsection"
+  >
+    <div
+      class="mx_SettingsSubsectionHeading"
+    >
+      <h3
+        class="mx_Heading_h3 mx_SettingsSubsectionHeading_heading"
+      >
+        Sign in with QR code
+      </h3>
+    </div>
+    <div
+      class="mx_SettingsSubsection_content"
+    >
+      <div
+        class="mx_LoginWithQRSection"
+      >
+        <p
+          class="mx_SettingsTab_subsectionText"
+        >
+          You can use this device to sign in a new device with a QR code. You will need to scan the QR code shown on this device with your device that's signed out.
+        </p>
+        <div
+          class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_primary"
+          role="button"
+          tabindex="0"
+        >
+          Show QR code
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+`;

test/components/views/settings/tabs/user/SecurityUserSettingsTab-test.tsx

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 import { fireEvent, render } from "@testing-library/react";
+import { UNSTABLE_MSC3882_CAPABILITY } from "matrix-js-sdk/src/matrix";
 import React from "react";
 
 import SecurityUserSettingsTab from "../../../../../../src/components/views/settings/tabs/user/SecurityUserSettingsTab";
@@ -45,10 +46,14 @@ describe("<SecurityUserSettingsTab />", () => {
         getIgnoredUsers: jest.fn(),
         getVersions: jest.fn().mockResolvedValue({
             unstable_features: {
-                "org.matrix.msc3882": true,
                 "org.matrix.msc3886": true,
             },
         }),
+        getCapabilities: jest.fn().mockResolvedValue({
+            [UNSTABLE_MSC3882_CAPABILITY.name]: {
+                enabled: true,
+            },
+        }),
     });
 
     const getComponent = () => (

test/components/views/settings/tabs/user/SessionManagerTab-test.tsx

@@ -29,6 +29,7 @@ import {
     PUSHER_DEVICE_ID,
     PUSHER_ENABLED,
     IAuthData,
+    UNSTABLE_MSC3882_CAPABILITY,
 } from "matrix-js-sdk/src/matrix";
 
 import { clearAllModals } from "../../../../../test-utils";
@@ -97,6 +98,7 @@ describe("<SessionManagerTab />", () => {
         setPusher: jest.fn(),
         setLocalNotificationSettings: jest.fn(),
         getVersions: jest.fn().mockResolvedValue({}),
+        getCapabilities: jest.fn().mockResolvedValue({}),
     });
 
     const defaultProps = {};
@@ -1375,10 +1377,14 @@ describe("<SessionManagerTab />", () => {
             mockClient.getVersions.mockResolvedValue({
                 versions: [],
                 unstable_features: {
-                    "org.matrix.msc3882": true,
                     "org.matrix.msc3886": true,
                 },
             });
+            mockClient.getCapabilities.mockResolvedValue({
+                [UNSTABLE_MSC3882_CAPABILITY.name]: {
+                    enabled: true,
+                },
+            });
         });
 
         it("renders qr code login section", async () => {