From 2a41fc979057240ab5251e83a3d3f18146ea8b66 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.org.ru>
Date: Tue, 15 Dec 2009 14:40:36 +0300
Subject: [PATCH] only accept favicons which are actual images while using CURL
 (closes #261)

---
 functions.php | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/functions.php b/functions.php
index 7980b68d8..dfe1a41c6 100644
--- a/functions.php
+++ b/functions.php
@@ -362,11 +362,17 @@
 				curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 				curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 				curl_exec($ch);
-				curl_close($ch);
-				fclose($fp);					
+
+				if (strpos(curl_getinfo($ch, CURLINFO_CONTENT_TYPE), "image/") !== false) {
+					curl_close($ch);
+					fclose($fp);					
+					$contents = file_get_contents($tmpfile);
+				} else {
+					curl_close($ch);
+					fclose($fp);					
+				}
 			}
 
-			$contents =  file_get_contents($tmpfile);
 			unlink($tmpfile);
 
 			return $contents;