From fb48ab34550906bf4020baa8cee806d13a6602bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Mon, 30 Mar 2026 19:42:58 -0400
Subject: [PATCH] fix: user image og:image

---
 src/controllers/topics.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/controllers/topics.js b/src/controllers/topics.js
index 23a03d87e5..29167fcfb9 100644
--- a/src/controllers/topics.js
+++ b/src/controllers/topics.js
@@ -20,6 +20,7 @@ const activitypub = require('../activitypub');
 const topicsController = module.exports;
 
 const url = nconf.get('url');
+const base_url = nconf.get('base_url');
 const relative_path = nconf.get('relative_path');
 const upload_url = nconf.get('upload_url');
 const validSorts = ['oldest_to_newest', 'newest_to_oldest', 'most_votes'];
@@ -356,8 +357,13 @@ function addOGImageTag(res, image) {
 	}
 
 	if (!imageUrl.startsWith('http')) {
-		// (https://domain.com/forum) + (/assets/uploads) + (/files/imagePath)
-		imageUrl = url + path.posix.join(upload_url, imageUrl);
+		if (imageUrl.startsWith(`${relative_path}${upload_url}`)) {
+			// (https://domain.com) + imageUrl (which starts with /relative_path/upload_url)
+			imageUrl = base_url + imageUrl;
+		} else {
+			// (https://domain.com/forum) + (/assets/uploads) + (/files/imagePath)
+			imageUrl = url + path.posix.join(upload_url, imageUrl);
+		}
 	}
 
 	res.locals.metaTags.push({