UI Feature Flag: Registration, Password Reset, Deactivate

res/css/views/auth/_Welcome.scss

@@ -18,6 +18,12 @@ limitations under the License.
     display: flex;
     flex-direction: column;
     align-items: center;
+
+    &.mx_WelcomePage_registrationDisabled {
+        .mx_ButtonCreateAccount {
+            display: none;
+        }
+    }
 }
 
 .mx_Welcome .mx_AuthBody_language {

src/components/structures/MatrixChat.tsx

@@ -79,6 +79,7 @@ import { SettingLevel } from "../../settings/SettingLevel";
 import { leaveRoomBehaviour } from "../../utils/membership";
 import CreateCommunityPrototypeDialog from "../views/dialogs/CreateCommunityPrototypeDialog";
 import ThreepidInviteStore, { IThreepidInvite, IThreepidInviteWireFormat } from "../../stores/ThreepidInviteStore";
+import {UIFeature} from "../../settings/UIFeature";
 
 /** constants for MatrixChat.state.view */
 export enum Views {
@@ -1942,7 +1943,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
 
     render() {
         const fragmentAfterLogin = this.getFragmentAfterLogin();
-        let view;
+        let view = null;
 
         if (this.state.view === Views.LOADING) {
             const Spinner = sdk.getComponent('elements.Spinner');
@@ -2021,7 +2022,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         } else if (this.state.view === Views.WELCOME) {
             const Welcome = sdk.getComponent('auth.Welcome');
             view = <Welcome />;
-        } else if (this.state.view === Views.REGISTER) {
+        } else if (this.state.view === Views.REGISTER && SettingsStore.getValue(UIFeature.Registration)) {
             const Registration = sdk.getComponent('structures.auth.Registration');
             const email = ThreepidInviteStore.instance.pickBestInvite()?.toEmail;
             view = (
@@ -2039,7 +2040,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                     {...this.getServerProperties()}
                 />
             );
-        } else if (this.state.view === Views.FORGOT_PASSWORD) {
+        } else if (this.state.view === Views.FORGOT_PASSWORD && SettingsStore.getValue(UIFeature.PasswordReset)) {
             const ForgotPassword = sdk.getComponent('structures.auth.ForgotPassword');
             view = (
                 <ForgotPassword
@@ -2050,6 +2051,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                 />
             );
         } else if (this.state.view === Views.LOGIN) {
+            const showPasswordReset = SettingsStore.getValue(UIFeature.PasswordReset);
             const Login = sdk.getComponent('structures.auth.Login');
             view = (
                 <Login
@@ -2058,7 +2060,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                     onRegisterClick={this.onRegisterClick}
                     fallbackHsUrl={this.getFallbackHsUrl()}
                     defaultDeviceDisplayName={this.props.defaultDeviceDisplayName}
-                    onForgotPasswordClick={this.onForgotPasswordClick}
+                    onForgotPasswordClick={showPasswordReset ? this.onForgotPasswordClick : undefined}
                     onServerConfigChange={this.onServerConfigChange}
                     fragmentAfterLogin={fragmentAfterLogin}
                     {...this.getServerProperties()}

src/components/structures/auth/Login.js

@@ -28,6 +28,8 @@ import classNames from "classnames";
 import AuthPage from "../../views/auth/AuthPage";
 import SSOButton from "../../views/elements/SSOButton";
 import PlatformPeg from '../../../PlatformPeg';
+import SettingsStore from "../../../settings/SettingsStore";
+import {UIFeature} from "../../../settings/UIFeature";
 
 // For validating phone numbers without country codes
 const PHONE_NUMBER_REGEX = /^[0-9()\-\s]*$/;
@@ -679,7 +681,7 @@ export default class LoginComponent extends React.Component {
                     {_t("If you've joined lots of rooms, this might take a while")}
                 </div> }
             </div>;
-        } else {
+        } else if (SettingsStore.getValue(UIFeature.Registration)) {
             footer = (
                 <a className="mx_AuthBody_changeFlow" onClick={this.onTryRegisterClick} href="#">
                     { _t('Create account') }

src/components/views/auth/Welcome.js

@@ -15,10 +15,14 @@ limitations under the License.
 */
 
 import React from 'react';
+import classNames from "classnames";
+
 import * as sdk from '../../../index';
 import SdkConfig from '../../../SdkConfig';
 import AuthPage from "./AuthPage";
 import {_td} from "../../../languageHandler";
+import SettingsStore from "../../../settings/SettingsStore";
+import {UIFeature} from "../../../settings/UIFeature";
 
 // translatable strings for Welcome pages
 _td("Sign in with SSO");
@@ -39,7 +43,9 @@ export default class Welcome extends React.PureComponent {
 
         return (
             <AuthPage>
-                <div className="mx_Welcome">
+                <div className={classNames("mx_Welcome", {
+                    mx_WelcomePage_registrationDisabled: !SettingsStore.getValue(UIFeature.Registration),
+                })}>
                     <EmbeddedPage
                         className="mx_WelcomePage"
                         url={pageUrl}

src/components/views/settings/tabs/user/GeneralUserSettingsTab.js

@@ -386,6 +386,14 @@ export default class GeneralUserSettingsTab extends React.Component {
                 width="18" height="18" alt={_t("Warning")} />
             : null;
 
+        let accountManagementSection;
+        if (SettingsStore.getValue(UIFeature.Deactivate)) {
+            accountManagementSection = <>
+                <div className="mx_SettingsTab_heading">{_t("Deactivate account")}</div>
+                {this._renderManagementSection()}
+            </>;
+        }
+
         return (
             <div className="mx_SettingsTab">
                 <div className="mx_SettingsTab_heading">{_t("General")}</div>
@@ -395,8 +403,7 @@ export default class GeneralUserSettingsTab extends React.Component {
                 <div className="mx_SettingsTab_heading">{discoWarning} {_t("Discovery")}</div>
                 {this._renderDiscoverySection()}
                 {this._renderIntegrationManagerSection() /* Has its own title */}
-                <div className="mx_SettingsTab_heading">{_t("Deactivate account")}</div>
-                {this._renderManagementSection()}
+                { accountManagementSection }
             </div>
         );
     }

src/settings/Settings.ts

@@ -626,4 +626,16 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_UI_FEATURE,
         default: true,
     },
+    [UIFeature.Registration]: {
+        supportedLevels: LEVELS_UI_FEATURE,
+        default: true,
+    },
+    [UIFeature.PasswordReset]: {
+        supportedLevels: LEVELS_UI_FEATURE,
+        default: true,
+    },
+    [UIFeature.Deactivate]: {
+        supportedLevels: LEVELS_UI_FEATURE,
+        default: true,
+    },
 };

src/settings/UIFeature.ts

@@ -19,4 +19,7 @@ export enum UIFeature {
     URLPreviews = "UIFeature.urlPreviews",
     Widgets = "UIFeature.widgets",
     Feedback = "UIFeature.feedback",
+    Registration = "UIFeature.registration",
+    PasswordReset = "UIFeature.passwordReset",
+    Deactivate = "UIFeature.deactivate",
 }