From c562a316817091b80ac9c7d3efa31067850b03e6 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 18 Dec 2013 21:41:56 +0100
Subject: Improved minified files handling, added css minification (#1486988)

---
 program/include/rcmail_output_html.php | 41 ++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 17 deletions(-)

(limited to 'program/include/rcmail_output_html.php')

diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index 7ff85e017..e4059b73d 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -662,23 +662,33 @@ class rcmail_output_html extends rcmail_output
 
         // add file modification timestamp
         if (preg_match('/\.(js|css)$/', $file, $m)) {
-            $fs  = false;
-            $ext = $m[1];
-
-            // use minified file if exists (not in development mode)
-            if (!$this->devel_mode && !preg_match('/\.min\.' . $ext . '$/', $file)) {
-                $minified_file = substr($file, 0, strlen($ext) * -1) . 'min.' . $ext;
-                if ($fs = @filemtime($minified_file)) {
-                    $file = $minified_file . '?s=' . $fs;
-                }
-            }
+            $file = $this->file_mod($file);
+        }
 
-            if (!$fs && ($fs = @filemtime($file))) {
-                $file .= '?s=' . $fs;
+        return $matches[1] . '=' . $matches[2] . $file . $matches[4];
+    }
+
+    /**
+     * Modify file by adding mtime indicator
+     */
+    protected function file_mod($file)
+    {
+        $fs  = false;
+        $ext = substr($file, strrpos($file, '.') + 1);
+
+        // use minified file if exists (not in development mode)
+        if (!$this->devel_mode && !preg_match('/\.min\.' . $ext . '$/', $file)) {
+            $minified_file = substr($file, 0, strlen($ext) * -1) . 'min.' . $ext;
+            if ($fs = @filemtime($minified_file)) {
+                return $minified_file . '?s=' . $fs;
             }
         }
 
-        return $matches[1] . '=' . $matches[2] . $file . $matches[4];
+        if ($fs = @filemtime($file)) {
+            $file .= '?s=' . $fs;
+        }
+
+        return $file;
     }
 
     /**
@@ -1225,10 +1235,7 @@ class rcmail_output_html extends rcmail_output
     public function include_script($file, $position='head')
     {
         if (!preg_match('|^https?://|i', $file) && $file[0] != '/') {
-            $file = $this->scripts_path . $file;
-            if ($fs = @filemtime($file)) {
-                $file .= '?s=' . $fs;
-            }
+            $file = $this->file_mod($this->scripts_path . $file);
         }
 
         if (!is_array($this->script_files[$position])) {
-- 
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