From 9d77a4cc4c3a633f163d1e11a4e2ef775dbe95cc Mon Sep 17 00:00:00 2001
From: ctrlcctrlv <wizardchan@hush.com>
Date: Tue, 20 Aug 2013 22:11:32 +0000
Subject: [PATCH] Only add country to JSON if flag fits country code regex

---
 inc/api.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/inc/api.php b/inc/api.php
index 9cad8ba0..a8331590 100644
--- a/inc/api.php
+++ b/inc/api.php
@@ -80,8 +80,8 @@ class Api {
 		// Handle country field
 		if (isset($post->body_nomarkup) && $this->config['country_flags']) {
 			$modifiers = extract_modifiers($post->body_nomarkup);
-			if (isset($modifiers['flag']) && isset($modifiers['flag alt'])) {
-				$country = mb_convert_case($modifiers['flag'], MB_CASE_UPPER);
+			if (isset($modifiers['flag']) && isset($modifiers['flag alt']) && preg_match('/^[a-z]{2}$/', $modifiers['flag'])) {
+				$country = strtoupper($modifiers['flag']);
 				if ($country) {
 					$apiPost['country'] = $country;
 					$apiPost['country_name'] = $modifiers['flag alt'];