From c108c20c91b8dc9edf002be9f766f2623e384932 Mon Sep 17 00:00:00 2001
From: Pavel Djundik <xPaw@users.noreply.github.com>
Date: Tue, 17 Dec 2019 22:35:15 +0200
Subject: [PATCH] Pretend to be facebook and twitter bots

---
 src/plugins/irc-events/link.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/plugins/irc-events/link.js b/src/plugins/irc-events/link.js
index 9b2edf3b..9398202a 100644
--- a/src/plugins/irc-events/link.js
+++ b/src/plugins/irc-events/link.js
@@ -306,8 +306,11 @@ function removePreview(msg, preview) {
 
 function getRequestHeaders(headers) {
 	const formattedHeaders = {
+		// Certain websites like Amazon only add <meta> tags to known bots,
+		// lets pretend to be them to get the metadata
 		"User-Agent":
-			"Mozilla/5.0 (compatible; The Lounge IRC Client; +https://github.com/thelounge/thelounge)",
+			"Mozilla/5.0 (compatible; The Lounge IRC Client; +https://github.com/thelounge/thelounge)" +
+			" facebookexternalhit/1.1 Twitterbot/1.0",
 		Accept: headers.accept || "*/*",
 		"X-Purpose": "preview",
 	};