snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/server/lib/messages/parseUrlsInMessage.ts

@@ -0,0 +1,40 @@
+import type { IMessage, AtLeast } from '@rocket.chat/core-typings';
+
+import { extractUrlsFromMessageAST } from './extractUrlsFromMessageAST';
+import { getMessageUrlRegex } from '../../../lib/getMessageUrlRegex';
+import { settings } from '../../settings';
+import { Markdown } from '../messaging/markdown';
+
+const prepareUrl = (url: string, previewUrls: string[] | undefined, siteUrl: string) => ({
+	url,
+	meta: {},
+	...(previewUrls && !previewUrls.includes(url) && !url.includes(siteUrl) && { ignoreParse: true }),
+});
+
+const prepareUrls = (urls: string[], previewUrls?: string[]) => {
+	const siteUrl = settings.get<string>('Site_Url');
+	return [...new Set(urls)].map((url) => prepareUrl(url, previewUrls, siteUrl));
+};
+
+export const parseUrlsInMessage = (
+	message: AtLeast<IMessage, 'msg' | 'md'> & {
+		parseUrls?: boolean;
+	},
+	previewUrls?: string[],
+) => {
+	// Also extract URLs from message blocks if they exist
+	if (message.md) {
+		const astUrls = extractUrlsFromMessageAST(message.md);
+		return prepareUrls(astUrls, previewUrls);
+	}
+
+	// TODO: remove this after make the parser official
+	// Parse the message to extract URLs from links without schema
+	// The message parser converts links like "github.com" to proper links with "//" prefix
+	const result = Markdown.code({
+		html: message.msg,
+		msg: message.msg,
+	});
+	const htmlUrls = result.html?.match(getMessageUrlRegex()) || [];
+	return prepareUrls(htmlUrls, previewUrls);
+};