feat: Disable slash commands for encrypted rooms

.changeset/popular-bulldogs-accept.md

@@ -0,0 +1,6 @@
+---
+'@rocket.chat/i18n': patch
+'@rocket.chat/meteor': patch
+---
+
+Disable slash commands in encrypted rooms and show a disabled warning.

apps/meteor/client/lib/chats/ChatAPI.ts

@@ -140,7 +140,15 @@ export type ChatAPI = {
 
 	readonly flows: {
 		readonly uploadFiles: (files: readonly File[], resetFileInput?: () => void) => Promise<void>;
-		readonly sendMessage: ({ text, tshow }: { text: string; tshow?: boolean; previewUrls?: string[] }) => Promise<boolean>;
+		readonly sendMessage: ({
+			text,
+			tshow,
+		}: {
+			text: string;
+			tshow?: boolean;
+			previewUrls?: string[];
+			isSlashCommandAllowed?: boolean;
+		}) => Promise<boolean>;
 		readonly processSlashCommand: (message: IMessage, userId: string | null) => Promise<boolean>;
 		readonly processTooLongMessage: (message: IMessage) => Promise<boolean>;
 		readonly processMessageEditing: (

apps/meteor/client/lib/chats/flows/sendMessage.ts

@@ -10,7 +10,7 @@ import { processSetReaction } from './processSetReaction';
 import { processSlashCommand } from './processSlashCommand';
 import { processTooLongMessage } from './processTooLongMessage';
 
-const process = async (chat: ChatAPI, message: IMessage, previewUrls?: string[]): Promise<void> => {
+const process = async (chat: ChatAPI, message: IMessage, previewUrls?: string[], isSlashCommandAllowed?: boolean): Promise<void> => {
 	KonchatNotification.removeRoomNotification(message.rid);
 
 	if (await processSetReaction(chat, message)) {
@@ -25,7 +25,7 @@ const process = async (chat: ChatAPI, message: IMessage, previewUrls?: string[])
 		return;
 	}
 
-	if (await processSlashCommand(chat, message)) {
+	if (isSlashCommandAllowed && (await processSlashCommand(chat, message))) {
 		return;
 	}
 
@@ -34,7 +34,12 @@ const process = async (chat: ChatAPI, message: IMessage, previewUrls?: string[])
 
 export const sendMessage = async (
 	chat: ChatAPI,
-	{ text, tshow, previewUrls }: { text: string; tshow?: boolean; previewUrls?: string[] },
+	{
+		text,
+		tshow,
+		previewUrls,
+		isSlashCommandAllowed,
+	}: { text: string; tshow?: boolean; previewUrls?: string[]; isSlashCommandAllowed?: boolean },
 ): Promise<boolean> => {
 	if (!(await chat.data.isSubscribedToRoom())) {
 		try {
@@ -63,7 +68,7 @@ export const sendMessage = async (
 		});
 
 		try {
-			await process(chat, message, previewUrls);
+			await process(chat, message, previewUrls, isSlashCommandAllowed);
 			chat.composer?.dismissAllQuotedMessages();
 		} catch (error) {
 			dispatchToastMessage({ type: 'error', message: error });

apps/meteor/client/views/room/composer/ComposerBoxPopup.tsx

@@ -9,6 +9,7 @@ export type ComposerBoxPopupProps<
 	T extends {
 		_id: string;
 		sort?: number;
+		disabled?: boolean;
 	},
 > = {
 	title?: string;
@@ -22,6 +23,7 @@ function ComposerBoxPopup<
 	T extends {
 		_id: string;
 		sort?: number;
+		disabled?: boolean;
 	},
 >({
 	title,
@@ -37,7 +39,9 @@ function ComposerBoxPopup<
 
 	const variant = popupSizes && popupSizes.inlineSize < 480 ? 'small' : 'large';
 
-	const getOptionTitle = <T extends { _id: string; sort?: number; outside?: boolean; suggestion?: boolean }>(item: T) => {
+	const getOptionTitle = <T extends { _id: string; sort?: number; outside?: boolean; suggestion?: boolean; disabled?: boolean }>(
+		item: T,
+	) => {
 		if (variant !== 'small') {
 			return undefined;
 		}
@@ -49,6 +53,10 @@ function ComposerBoxPopup<
 		if (item.suggestion) {
 			return t('Suggestion_from_recent_messages');
 		}
+
+		if (item.disabled) {
+			return t('Unavailable_in_encrypted_channels');
+		}
 	};
 
 	const itemsFlat = useMemo(
@@ -96,6 +104,7 @@ function ComposerBoxPopup<
 								id={`popup-item-${item._id}`}
 								tabIndex={item === focused ? 0 : -1}
 								aria-selected={item === focused}
+								disabled={item.disabled}
 							>
 								{renderItem({ item: { ...item, variant } })}
 							</Option>

apps/meteor/client/views/room/composer/ComposerBoxPopupSlashCommand.tsx

@@ -1,20 +1,24 @@
 import { OptionColumn, OptionContent, OptionDescription, OptionInput } from '@rocket.chat/fuselage';
+import { useTranslation } from '@rocket.chat/ui-contexts';
 import React from 'react';
 
 export type ComposerBoxPopupSlashCommandProps = {
 	_id: string;
 	description?: string;
 	params?: string;
+	disabled?: boolean;
 };
 
-function ComposerBoxPopupSlashCommand({ _id, description, params }: ComposerBoxPopupSlashCommandProps) {
+function ComposerBoxPopupSlashCommand({ _id, description, params, disabled }: ComposerBoxPopupSlashCommandProps) {
+	const t = useTranslation();
+
 	return (
 		<>
 			<OptionContent>
 				{_id} <OptionDescription>{params}</OptionDescription>
 			</OptionContent>
 			<OptionColumn>
-				<OptionInput>{description}</OptionInput>
+				<OptionInput>{disabled ? t('Unavailable_in_encrypted_channels') : description}</OptionInput>
 			</OptionColumn>
 		</>
 	);

apps/meteor/client/views/room/composer/ComposerMessage.tsx

@@ -41,13 +41,24 @@ const ComposerMessage = ({ tmid, readOnly, onSend, ...props }: ComposerMessagePr
 				}
 			},
 
-			onSend: async ({ value: text, tshow, previewUrls }: { value: string; tshow?: boolean; previewUrls?: string[] }): Promise<void> => {
+			onSend: async ({
+				value: text,
+				tshow,
+				previewUrls,
+				isSlashCommandAllowed,
+			}: {
+				value: string;
+				tshow?: boolean;
+				previewUrls?: string[];
+				isSlashCommandAllowed?: boolean;
+			}): Promise<void> => {
 				try {
 					await chat?.action.stop('typing');
 					const newMessageSent = await chat?.flows.sendMessage({
 						text,
 						tshow,
 						previewUrls,
+						isSlashCommandAllowed,
 					});
 					if (newMessageSent) onSend?.();
 				} catch (error) {

apps/meteor/client/views/room/composer/messageBox/MessageBox.tsx

@@ -12,7 +12,7 @@ import {
 	MessageComposerHint,
 	MessageComposerButton,
 } from '@rocket.chat/ui-composer';
-import { useTranslation, useUserPreference, useLayout } from '@rocket.chat/ui-contexts';
+import { useTranslation, useUserPreference, useLayout, useSetting } from '@rocket.chat/ui-contexts';
 import { useMutation } from '@tanstack/react-query';
 import type {
 	ReactElement,
@@ -92,7 +92,7 @@ const getEmptyArray = () => a;
 type MessageBoxProps = {
 	tmid?: IMessage['_id'];
 	readOnly: boolean;
-	onSend?: (params: { value: string; tshow?: boolean; previewUrls?: string[] }) => Promise<void>;
+	onSend?: (params: { value: string; tshow?: boolean; previewUrls?: string[]; isSlashCommandAllowed?: boolean }) => Promise<void>;
 	onJoin?: () => Promise<void>;
 	onResize?: () => void;
 	onTyping?: () => void;
@@ -123,6 +123,9 @@ const MessageBox = ({
 	const chat = useChat();
 	const room = useRoom();
 	const t = useTranslation();
+	const e2eEnabled = useSetting<boolean>('E2E_Enable');
+	const unencryptedMessagesAllowed = useSetting<boolean>('E2E_Allow_Unencrypted_Messages');
+	const isSlashCommandAllowed = !e2eEnabled || !room.encrypted || unencryptedMessagesAllowed;
 	const composerPlaceholder = useMessageBoxPlaceholder(t('Message'), room);
 
 	const [typing, setTyping] = useReducer(reducer, false);
@@ -176,6 +179,7 @@ const MessageBox = ({
 			value: text,
 			tshow,
 			previewUrls,
+			isSlashCommandAllowed,
 		});
 	});
 

apps/meteor/client/views/room/contexts/ComposerPopupContext.ts

@@ -21,6 +21,7 @@ export type ComposerPopupOption<T extends { _id: string; sort?: number } = { _id
 	getValue: (item: T) => string;
 
 	renderItem?: ({ item }: { item: T }) => ReactElement;
+	disabled?: boolean;
 };
 
 export type ComposerPopupContextValue = ComposerPopupOption[];

apps/meteor/client/views/room/providers/ComposerPopupProvider.tsx

@@ -25,14 +25,17 @@ import type { ComposerPopupContextValue } from '../contexts/ComposerPopupContext
 import { ComposerPopupContext, createMessageBoxPopupConfig } from '../contexts/ComposerPopupContext';
 
 const ComposerPopupProvider = ({ children, room }: { children: ReactNode; room: IRoom }) => {
-	const { _id: rid } = room;
+	const { _id: rid, encrypted: isRoomEncrypted } = room;
 	const userSpotlight = useMethod('spotlight');
 	const suggestionsCount = useSetting<number>('Number_of_users_autocomplete_suggestions');
 	const cannedResponseEnabled = useSetting<boolean>('Canned_Responses_Enable');
 	const [recentEmojis] = useLocalStorage('emoji.recent', []);
 	const isOmnichannel = isOmnichannelRoom(room);
 	const useEmoji = useUserPreference('useEmojis');
 	const t = useTranslation();
+	const e2eEnabled = useSetting<boolean>('E2E_Enable');
+	const unencryptedMessagesAllowed = useSetting<boolean>('E2E_Allow_Unencrypted_Messages');
+	const encrypted = isRoomEncrypted && e2eEnabled && !unencryptedMessagesAllowed;
 
 	const call = useMethod('getSlashCommandPreviews');
 	const value: ComposerPopupContextValue = useMemo(() => {
@@ -278,6 +281,7 @@ const ComposerPopupProvider = ({ children, room }: { children: ReactNode; room:
 				trigger: '/',
 				suffix: ' ',
 				triggerAnywhere: false,
+				disabled: encrypted,
 				renderItem: ({ item }) => <ComposerBoxPopupSlashCommand {...item} />,
 				getItemsFromLocal: async (filter: string) => {
 					return Object.keys(slashCommands.commands)
@@ -288,6 +292,7 @@ const ComposerPopupProvider = ({ children, room }: { children: ReactNode; room:
 								params: item.params && t.has(item.params) ? t(item.params) : item.params ?? '',
 								description: item.description && t.has(item.description) ? t(item.description) : item.description,
 								permission: item.permission,
+								...(encrypted && { disabled: encrypted }),
 							};
 						})
 						.filter((command) => {
@@ -360,7 +365,7 @@ const ComposerPopupProvider = ({ children, room }: { children: ReactNode; room:
 				},
 			}),
 		].filter(Boolean);
-	}, [t, cannedResponseEnabled, isOmnichannel, recentEmojis, suggestionsCount, userSpotlight, rid, call, useEmoji]);
+	}, [t, cannedResponseEnabled, isOmnichannel, recentEmojis, suggestionsCount, userSpotlight, rid, call, useEmoji, encrypted]);
 
 	return <ComposerPopupContext.Provider value={value} children={children} />;
 };

apps/meteor/tests/e2e/e2e-encryption.spec.ts

@@ -239,6 +239,69 @@ test.describe.serial('e2e-encryption', () => {
 		await expect(poHomeChannel.content.lastUserMessage.locator('.rcx-icon--name-key')).toBeVisible();
 	});
 
+	test('expect slash commands to be enabled in an e2ee room', async ({ page }) => {
+		const channelName = faker.string.uuid();
+
+		await poHomeChannel.sidenav.createEncryptedChannel(channelName);
+
+		await expect(page).toHaveURL(`/group/${channelName}`);
+
+		await poHomeChannel.dismissToast();
+
+		await expect(poHomeChannel.content.encryptedRoomHeaderIcon).toBeVisible();
+
+		await poHomeChannel.content.sendMessage('This is an encrypted message.');
+
+		await expect(poHomeChannel.content.lastUserMessageBody).toHaveText('This is an encrypted message.');
+		await expect(poHomeChannel.content.lastUserMessage.locator('.rcx-icon--name-key')).toBeVisible();
+
+		await page.locator('[name="msg"]').type('/');
+		await expect(page.locator('#popup-item-contextualbar')).not.toHaveClass(/disabled/);
+		await page.locator('[name="msg"]').clear();
+
+		await poHomeChannel.content.dispatchSlashCommand('/contextualbar');
+		await expect(poHomeChannel.btnContextualbarClose).toBeVisible();
+
+		await poHomeChannel.btnContextualbarClose.click();
+		await expect(poHomeChannel.btnContextualbarClose).toBeHidden();
+	});
+
+	test.describe('un-encrypted messages not allowed in e2ee rooms', () => {
+		let poHomeChannel: HomeChannel;
+
+		test.beforeEach(async ({ page }) => {
+			poHomeChannel = new HomeChannel(page);
+			await page.goto('/home');
+		});
+		test.beforeAll(async ({ api }) => {
+			expect((await api.post('/settings/E2E_Allow_Unencrypted_Messages', { value: false })).status()).toBe(200);
+		});
+
+		test.afterAll(async ({ api }) => {
+			expect((await api.post('/settings/E2E_Allow_Unencrypted_Messages', { value: true })).status()).toBe(200);
+		});
+
+		test('expect slash commands to be disabled in an e2ee room', async ({ page }) => {
+			const channelName = faker.string.uuid();
+
+			await poHomeChannel.sidenav.createEncryptedChannel(channelName);
+
+			await expect(page).toHaveURL(`/group/${channelName}`);
+
+			await poHomeChannel.dismissToast();
+
+			await expect(poHomeChannel.content.encryptedRoomHeaderIcon).toBeVisible();
+
+			await poHomeChannel.content.sendMessage('This is an encrypted message.');
+
+			await expect(poHomeChannel.content.lastUserMessageBody).toHaveText('This is an encrypted message.');
+			await expect(poHomeChannel.content.lastUserMessage.locator('.rcx-icon--name-key')).toBeVisible();
+
+			await page.locator('[name="msg"]').type('/');
+			await expect(page.locator('#popup-item-contextualbar')).toHaveClass(/disabled/);
+		});
+	});
+
 	test.describe('reset keys', () => {
 		let anotherClientPage: Page;
 

packages/i18n/src/locales/en.i18n.json

@@ -5465,6 +5465,7 @@
   "Unassigned": "Unassigned",
   "unauthorized": "Not authorized",
   "Unavailable": "Unavailable",
+  "Unavailable_in_encrypted_channels": "Unavailable in encrypted channels",
   "Unblock": "Unblock",
   "Unblock_User": "Unblock User",
   "Uncheck_All": "Uncheck All",