From 8fcf57dfadad7d5979893ae381abd2a160daf364 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Wed, 11 Apr 2018 14:41:03 -0400
Subject: [PATCH] stripped double relative path from og urls, #6442

---
 src/meta/tags.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/meta/tags.js b/src/meta/tags.js
index babd1d5f9d..2f7e95ed3e 100644
--- a/src/meta/tags.js
+++ b/src/meta/tags.js
@@ -124,13 +124,13 @@ Tags.parse = function (req, data, meta, link, callback) {
 
 		addIfNotExists(meta, 'property', 'og:title', Meta.config.title || 'NodeBB');
 
-		var ogUrl = nconf.get('url') + (req.originalUrl !== '/' ? req.originalUrl : '');
+		var ogUrl = nconf.get('url') + (req.originalUrl !== '/' ? stripRelativePath(req.originalUrl) : '');
 		addIfNotExists(meta, 'property', 'og:url', ogUrl);
 
 		addIfNotExists(meta, 'name', 'description', Meta.config.description);
 		addIfNotExists(meta, 'property', 'og:description', Meta.config.description);
 
-		var ogImage = Meta.config['og:image'] || Meta.config['brand:logo'] || '';
+		var ogImage = stripRelativePath(Meta.config['og:image'] || Meta.config['brand:logo'] || '');
 		if (ogImage && !ogImage.startsWith('http')) {
 			ogImage = nconf.get('url') + ogImage;
 		}
@@ -165,3 +165,11 @@ function addIfNotExists(meta, keyName, tagName, value) {
 		meta.push(data);
 	}
 }
+
+function stripRelativePath(url) {
+	if (url.startsWith(nconf.get('relative_path'))) {
+		return url.slice(nconf.get('relative_path').length);
+	}
+
+	return url;
+}