Improved favicon API

Author: JulianPrieber

resources/views/components/favicon.blade.php

@@ -2412,8 +2412,21 @@ function get_headers($url,$format=0)
 }
 
 $headers = get_headers($urlICO, 1);
+$headersImage = get_headers($urlICO);
+
+foreach ($headersImage as $header) {
+  if (stripos($header, 'Content-Type:') === 0) {
+    if (stripos($header, 'image/') !== false) {
+      $isIco = true;
+    } else {
+      $isIco = false;
+    }
+    break;
+  }
+}
 
-if ($headers[0] == 'HTTP/1.1 200 OK' or $headers[0] == 'HTTP/1.1 301 Moved Permanently') {
+
+if (($headers[0] == 'HTTP/1.1 200 OK' or $headers[0] == 'HTTP/1.1 301 Moved Permanently') and $isIco === true) {
     $favicon = $urlICO;
 } else {
 
@@ -2445,6 +2458,8 @@ function get_headers($url,$format=0)
 }
 } catch (exception $e) {}
 
+$favicon = preg_replace('/([^:])(\/{2,})/', '$1/', $favicon);
+
 return $favicon;
 }