Merge pull request #5929 from matrix-org/gsouquet-e2ee-warning

src/components/views/dialogs/RoomSettingsDialog.tsx

@@ -16,7 +16,6 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import TabbedView, {Tab} from "../../structures/TabbedView";
 import {_t, _td} from "../../../languageHandler";
 import AdvancedRoomSettingsTab from "../settings/tabs/room/AdvancedRoomSettingsTab";
@@ -39,31 +38,36 @@ export const ROOM_NOTIFICATIONS_TAB = "ROOM_NOTIFICATIONS_TAB";
 export const ROOM_BRIDGES_TAB = "ROOM_BRIDGES_TAB";
 export const ROOM_ADVANCED_TAB = "ROOM_ADVANCED_TAB";
 
+interface IProps {
+    roomId: string;
+    onFinished: (success: boolean) => void;
+    initialTabId?: string;
+}
+
 @replaceableComponent("views.dialogs.RoomSettingsDialog")
-export default class RoomSettingsDialog extends React.Component {
-    static propTypes = {
-        roomId: PropTypes.string.isRequired,
-        onFinished: PropTypes.func.isRequired,
-    };
+export default class RoomSettingsDialog extends React.Component<IProps> {
+    private dispatcherRef: string;
 
-    componentDidMount() {
-        this._dispatcherRef = dis.register(this._onAction);
+    public componentDidMount() {
+        this.dispatcherRef = dis.register(this.onAction);
     }
 
-    componentWillUnmount() {
-        if (this._dispatcherRef) dis.unregister(this._dispatcherRef);
+    public componentWillUnmount() {
+        if (this.dispatcherRef) {
+            dis.unregister(this.dispatcherRef);
+        }
     }
 
-    _onAction = (payload) => {
+    private onAction = (payload): void => {
         // When view changes below us, close the room settings
         // whilst the modal is open this can only be triggered when someone hits Leave Room
         if (payload.action === 'view_home_page') {
-            this.props.onFinished();
+            this.props.onFinished(true);
         }
     };
 
-    _getTabs() {
-        const tabs = [];
+    private getTabs(): Tab[] {
+        const tabs: Tab[] = [];
 
         tabs.push(new Tab(
             ROOM_GENERAL_TAB,
@@ -123,7 +127,10 @@ export default class RoomSettingsDialog extends React.Component {
                 title={_t("Room Settings - %(roomName)s", {roomName})}
             >
                 <div className='mx_SettingsDialog_content'>
-                    <TabbedView tabs={this._getTabs()} />
+                    <TabbedView
+                        tabs={this.getTabs()}
+                        initialTabId={this.props.initialTabId}
+                    />
                 </div>
             </BaseDialog>
         );

src/components/views/messages/EventTileBubble.tsx

@@ -14,13 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {forwardRef, ReactNode} from "react";
+import React, {forwardRef, ReactNode, ReactChildren} from "react";
 import classNames from "classnames";
 
 interface IProps {
     className: string;
     title: string;
     subtitle?: ReactNode;
+    children?: ReactChildren;
 }
 
 const EventTileBubble = forwardRef<HTMLDivElement, IProps>(({ className, title, subtitle, children }, ref) => {

src/components/views/rooms/NewRoomIntro.tsx

@@ -31,6 +31,17 @@ import dis from "../../../dispatcher/dispatcher";
 import SpaceStore from "../../../stores/SpaceStore";
 import {showSpaceInvite} from "../../../utils/space";
 
+import { privateShouldBeEncrypted } from "../../../createRoom";
+
+import EventTileBubble from "../messages/EventTileBubble";
+import { ROOM_SECURITY_TAB } from "../dialogs/RoomSettingsDialog";
+
+function hasExpectedEncryptionSettings(room): boolean {
+    const isEncrypted: boolean = room._client?.isRoomEncrypted(room.roomId);
+    const isPublic: boolean = room.getJoinRule() === "public";
+    return isPublic || !privateShouldBeEncrypted() || isEncrypted;
+}
+
 const NewRoomIntro = () => {
     const cli = useContext(MatrixClientContext);
     const {room, roomId} = useContext(RoomContext);
@@ -166,7 +177,31 @@ const NewRoomIntro = () => {
         </React.Fragment>;
     }
 
+    function openRoomSettings(event) {
+        event.preventDefault();
+        dis.dispatch({
+            action: "open_room_settings",
+            initial_tab_id: ROOM_SECURITY_TAB,
+        });
+    }
+
+    const sub2 = _t(
+        "Your private messages are normally encrypted, but this room isn't. "+
+        "Usually this is due to an unsupported device or method being used, " +
+        "like email invites. <a>Enable encryption in settings.</a>", {},
+        { a: sub => <a onClick={openRoomSettings} href="#">{sub}</a> },
+    );
+
     return <div className="mx_NewRoomIntro">
+
+        { !hasExpectedEncryptionSettings(room) && (
+            <EventTileBubble
+                className="mx_cryptoEvent mx_cryptoEvent_icon_warning"
+                title={_t("End-to-end encryption isn't enabled")}
+                subtitle={sub2}
+            />
+        )}
+
         { body }
     </div>;
 };

src/i18n/strings/en_EN.json

@@ -1509,6 +1509,8 @@
     "Invite to just this room": "Invite to just this room",
     "Add a photo, so people can easily spot your room.": "Add a photo, so people can easily spot your room.",
     "This is the start of <roomName/>.": "This is the start of <roomName/>.",
+    "Your private messages are normally encrypted, but this room isn't. Usually this is due to an unsupported device or method being used, like email invites. <a>Enable encryption in settings.</a>": "Your private messages are normally encrypted, but this room isn't. Usually this is due to an unsupported device or method being used, like email invites. <a>Enable encryption in settings.</a>",
+    "End-to-end encryption isn't enabled": "End-to-end encryption isn't enabled",
     "Unpin": "Unpin",
     "View message": "View message",
     "%(duration)ss": "%(duration)ss",

src/stores/RoomViewStore.tsx

@@ -167,6 +167,7 @@ class RoomViewStore extends Store<ActionPayload> {
                 const RoomSettingsDialog = sdk.getComponent("dialogs.RoomSettingsDialog");
                 Modal.createTrackedDialog('Room settings', '', RoomSettingsDialog, {
                     roomId: payload.room_id || this.state.roomId,
+                    initialTabId: payload.initial_tab_id,
                 }, /*className=*/null, /*isPriority=*/false, /*isStatic=*/true);
                 break;
             }