feat(channel-settings): add per-channel link preview setting

.changeset/cold-vans-suffer.md

@@ -0,0 +1,6 @@
+---
+'@rocket.chat/core-typings': patch
+'@rocket.chat/meteor': patch
+---
+
+Added per-channel link preview setting

apps/meteor/app/channel-settings/server/methods/saveRoomSettings.ts

@@ -44,6 +44,7 @@ type RoomSettings = {
 	retentionIgnoreThreads: boolean;
 	retentionOverrideGlobal: boolean;
 	encrypted: boolean;
+	linksEmbed: boolean;
 	favorite: {
 		favorite: boolean;
 		defaultValue: boolean;
@@ -265,6 +266,10 @@ const settingSavers: RoomSettingsSavers = {
 			await saveRoomTopic(rid, value, user);
 		}
 	},
+	async linksEmbed({ value, rid }) {
+		// This saves the value directly to the room document in MongoDB
+		await Rooms.updateOne({ _id: rid }, { $set: { linksEmbed: value } });
+	},
 	async roomAnnouncement({ value, room, rid, user }) {
 		if (!value && !room.announcement) {
 			return;
@@ -386,6 +391,8 @@ const fields: (keyof RoomSettings)[] = [
 	'retentionIgnoreThreads',
 	'retentionOverrideGlobal',
 	'encrypted',
+
+	'linksEmbed',
 	'favorite',
 ];
 

apps/meteor/client/views/room/contextualBar/Info/EditRoomInfo/EditRoomInfo.tsx

@@ -228,6 +228,7 @@ const EditRoomInfo = ({ room, onClickClose, onClickBack }: EditRoomInfoProps) =>
 	const retentionExcludePinnedField = useId();
 	const retentionFilesOnlyField = useId();
 	const retentionIgnoreThreads = useId();
+	const linksEmbedField = useId();
 
 	const showAdvancedSettings = canViewReadOnly || readOnly || canViewArchived || canViewJoinCode || canViewHideSysMes;
 	const showRetentionPolicy = canEditRoomRetentionPolicy && retentionPolicy?.enabled;
@@ -489,6 +490,26 @@ const EditRoomInfo = ({ room, onClickClose, onClickBack }: EditRoomInfoProps) =>
 												</FieldRow>
 											</Field>
 										)}
+
+										<Field>
+											<FieldRow>
+												<FieldLabel htmlFor={linksEmbedField}>{t('Enable_Link_Previews' as any)}</FieldLabel>
+												<Controller
+													control={control}
+													name='linksEmbed'
+													render={({ field: { value, ...field } }) => (
+														<ToggleSwitch
+															id={linksEmbedField}
+															{...field}
+															checked={value}
+															disabled={isFederated}
+															aria-describedby={`${linksEmbedField}-hint`}
+														/>
+													)}
+												/>
+											</FieldRow>
+											<FieldHint id={`${linksEmbedField}-hint`}>{t('Enable_Link_Previews_Description' as any)}</FieldHint>
+										</Field>
 									</FieldGroup>
 								</AccordionItem>
 							)}

apps/meteor/client/views/room/contextualBar/Info/EditRoomInfo/useEditRoomInitialValues.ts

@@ -28,6 +28,7 @@ export type EditRoomInfoFormData = {
 	showChannels: boolean;
 	showDiscussions: boolean;
 	joinCode: string;
+	linksEmbed: boolean;
 	systemMessages: MessageTypesValues[];
 };
 
@@ -52,6 +53,7 @@ export const useEditRoomInitialValues = (room: IRoomWithRetentionPolicy): Partia
 			joinCodeRequired: !!joinCodeRequired,
 			systemMessages: Array.isArray(sysMes) ? sysMes : [],
 			hideSysMes: Array.isArray(sysMes) ? !!sysMes?.length : !!sysMes,
+			linksEmbed: room.linksEmbed !== false,
 			encrypted,
 			...(canEditRoomRetentionPolicy &&
 				retentionPolicy?.enabled && {

apps/meteor/server/services/messages/hooks/AfterSaveOEmbed.ts

@@ -8,7 +8,7 @@ import type {
 } from '@rocket.chat/core-typings';
 import { isOEmbedUrlWithMetadata } from '@rocket.chat/core-typings';
 import { Logger } from '@rocket.chat/logger';
-import { OEmbedCache, Messages } from '@rocket.chat/models';
+import { OEmbedCache, Messages, Rooms } from '@rocket.chat/models';
 import { serverFetch as fetch } from '@rocket.chat/server-fetch';
 import he from 'he';
 import iconv from 'iconv-lite';
@@ -327,44 +327,41 @@ const getRelevantMetaTags = function (metaObj: OEmbedMeta): Record<string, strin
 const insertMaxWidthInOembedHtml = (oembedHtml?: string): string | undefined =>
 	oembedHtml?.replace('iframe', 'iframe style="max-width: 100%;width:400px;height:225px"');
 
+
+
 const rocketUrlParser = async function (message: IMessage): Promise<IMessage> {
 	log.debug({ msg: 'Parsing message URLs' });
-
 	if (!settings.get('API_Embed')) {
 		return message;
 	}
-
 	if (!Array.isArray(message.urls)) {
 		return message;
 	}
-
+	const room = await Rooms.findOneById(message.rid, { projection: { linksEmbed: 1 } });
+	if (room?.linksEmbed === false) {
+		return message;
+	}
 	log.debug({ msg: 'URLs found in message', count: message.urls.length });
-
 	if (
 		(message.attachments && message.attachments.length > 0) ||
 		message.urls.filter((item) => !item.url.includes(settings.get('Site_Url'))).length > MAX_EXTERNAL_URL_PREVIEWS
 	) {
 		log.debug({ msg: 'All URLs ignored for OEmbed' });
 		return message;
 	}
-
 	let changed = false;
 	for await (const item of message.urls) {
 		if (item.ignoreParse === true) {
 			log.debug({ msg: 'URL ignored for OEmbed', url: item.url });
 			continue;
 		}
-
 		const { urlPreview, foundMeta } = await parseUrl(item.url);
-
 		Object.assign(item, foundMeta ? urlPreview : {});
 		changed = changed || foundMeta;
 	}
-
 	if (changed === true) {
 		await Messages.setUrlsById(message._id, message.urls);
 	}
-
 	return message;
 };
 

packages/core-typings/src/IRoom.ts

@@ -10,6 +10,10 @@ import type { RoomType } from './RoomType';
 import type { Branded } from './utils';
 
 export interface IRoom extends IRocketChatRecord {
+		/**
+		 * Enable or disable link previews for this room. If undefined, falls back to global setting.
+		 */
+		linksEmbed?: boolean;
 	t: RoomType;
 	name?: string;
 	fname?: string;
@@ -361,6 +365,10 @@ export type RoomAdminFieldsType =
 	| 'abacAttributes';
 
 export interface IRoomWithRetentionPolicy extends IRoom {
+		/**
+		 * Enable or disable link previews for this room. If undefined, falls back to global setting.
+		 */
+		linksEmbed?: boolean;
 	retention: {
 		enabled?: boolean;
 		maxAge: number;

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

@@ -2062,6 +2062,7 @@
   "Enterprise_capabilities": "Enterprise capabilities",
   "Enterprise_capability": "Enterprise capability",
   "Entertainment": "Entertainment",
+  "Enable_Link_Previews": "Enable Link Previews",
   "Error": "Error",
   "Error_404": "Error:404",
   "Error_RocketChat_requires_oplog_tailing_when_running_in_multiple_instances": "Error: Rocket.Chat requires oplog tailing when running in multiple instances",