From fe0f1d589b2320905fa3dd73737d5b7b1cbc402a Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 28 May 2013 20:59:44 +0200
Subject: Improve rcube_utils::file2class() to not return duplicates

---
 program/lib/Roundcube/rcube_utils.php | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'program/lib/Roundcube/rcube_utils.php')

diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
index 8467107fe..23f24a46a 100644
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@@ -510,17 +510,24 @@ class rcube_utils
      */
     public static function file2class($mimetype, $filename)
     {
+        $mimetype = strtolower($mimetype);
+        $filename = strtolower($filename);
+
         list($primary, $secondary) = explode('/', $mimetype);
 
         $classes = array($primary ? $primary : 'unknown');
+
         if ($secondary) {
             $classes[] = $secondary;
         }
-        if (preg_match('/\.([a-z0-9]+)$/i', $filename, $m)) {
-            $classes[] = $m[1];
+
+        if (preg_match('/\.([a-z0-9]+)$/', $filename, $m)) {
+            if (!in_array($m[1], $classes)) {
+                $classes[] = $m[1];
+            }
         }
 
-        return strtolower(join(" ", $classes));
+        return join(" ", $classes);
     }
 
 
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