From e7798768d4085eaa7699e11ff7e2b6408f1c534e Mon Sep 17 00:00:00 2001
From: SmallJoker <mk939@ymail.com>
Date: Mon, 4 Dec 2017 20:33:36 +0100
Subject: [PATCH] Restrict title edit access to owner, fixes #11

---
 shop.lua | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/shop.lua b/shop.lua
index 817662d..765af1d 100644
--- a/shop.lua
+++ b/shop.lua
@@ -191,15 +191,15 @@ minetest.register_on_player_receive_fields(function(sender, formname, fields)
 		return
 	end
 
-	local meta = minetest.get_meta(pos)
-	local title = meta:get_string("title") or ""
-	local shop_owner = meta:get_string("owner")
 	if fields.quit then
 		exchange_shop[player_name] = nil
 		return
 	end
+	local meta = minetest.get_meta(pos)
+	local title = meta:get_string("title")
+	local shop_owner = meta:get_string("owner")
 
-	if fields.title then
+	if fields.title and bitchange.has_access(shop_owner, player_name) then
 		-- Limit title length
 		fields.title = fields.title:sub(1, 80)
 		if title ~= fields.title then