From 5f7ec9e8da2c873d01a4cb010151680b94089e6f Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Tue, 23 Nov 2021 01:59:33 +0100
Subject: [PATCH] Don't download image contents during prefetch if not needed
 (#4363)

---
 src/plugins/irc-events/link.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/irc-events/link.js b/src/plugins/irc-events/link.js
index a5ec18d9..0d7d6a45 100644
--- a/src/plugins/irc-events/link.js
+++ b/src/plugins/irc-events/link.js
@@ -403,7 +403,8 @@ function fetch(uri, headers) {
 					if (imageTypeRegex.test(contentType)) {
 						// response is an image
 						// if Content-Length header reports a size exceeding the prefetch limit, abort fetch
-						if (contentLength > limit) {
+						// and if file is not to be stored we don't need to download further either
+						if (contentLength > limit || !Helper.config.prefetchStorage) {
 							gotStream.destroy();
 						}
 					} else if (mediaTypeRegex.test(contentType)) {