From d9efb037e3d0c14fa288e8b54c3d55d67689ab54 Mon Sep 17 00:00:00 2001
From: Max Kostikov <max@kostikov.co>
Date: Fri, 5 Oct 2018 13:16:29 +0200
Subject: Prevent links damage on foreign channel repost for cloned

---
 include/text.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/text.php b/include/text.php
index f03d0b860..1d884593f 100644
--- a/include/text.php
+++ b/include/text.php
@@ -2965,7 +2965,9 @@ function item_url_replace($channel,&$item,$old,$new,$oldnick = '') {
 			json_url_replace('/' . $oldnick . '/' ,'/' . $channel['channel_address'] . '/' ,$item['target']);
 	}
 
-	if(string_replace($old,$new,$item['body'])) {
+    $x = preg_replace("/".preg_quote($old,'/')."\/(search|\w+\/".$channel['channel_address'].")/", $new.'/${1}', $item['body']);
+    if($x) {
+        $item['body'] = $x;
 		$item['sig'] = base64url_encode(rsa_sign($item['body'],$channel['channel_prvkey']));
 		$item['item_verified']  = 1;
 	}
-- 
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