From d61d668b64c44fc046095b807834c4836a8c05c5 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 08 Apr 2015 02:57:21 -0400
Subject: [PATCH] Remove useless code

---
 program/lib/Roundcube/rcube_base_replacer.php |   22 ++++++++++------------
 1 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/program/lib/Roundcube/rcube_base_replacer.php b/program/lib/Roundcube/rcube_base_replacer.php
index b2a0fc1..a306086 100644
--- a/program/lib/Roundcube/rcube_base_replacer.php
+++ b/program/lib/Roundcube/rcube_base_replacer.php
@@ -2,8 +2,6 @@
 
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_base_replacer.php                               |
- |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2005-2012, The Roundcube Dev Team                       |
  |                                                                       |
@@ -13,7 +11,6 @@
  |                                                                       |
  | PURPOSE:                                                              |
  |   Provide basic functions for base URL replacement                    |
- |                                                                       |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
@@ -24,7 +21,7 @@
  * using a predefined base
  *
  * @package    Framework
- * @subpackage Core
+ * @subpackage Utils
  * @author     Thomas Bruederli <roundcube@gmail.com>
  */
 class rcube_base_replacer
@@ -47,8 +44,8 @@
     public function replace($body)
     {
         return preg_replace_callback(array(
-            '/(src|background|href)=(["\']?)([^"\'\s]+)(\2|\s|>)/Ui',
-            '/(url\s*\()(["\']?)([^"\'\)\s]+)(\2)\)/Ui',
+            '/(src|background|href)=(["\']?)([^"\'\s>]+)(\2|\s|>)/i',
+            '/(url\s*\()(["\']?)([^"\'\)\s]+)(\2)\)/i',
         ),
         array($this, 'callback'), $body);
     }
@@ -64,9 +61,6 @@
      */
     public static function absolute_url($path, $base_url)
     {
-        $host_url = $base_url;
-        $abs_path = $path;
-
         // check if path is an absolute URL
         if (preg_match('/^[fhtps]+:\/\//', $path)) {
             return $path;
@@ -76,6 +70,9 @@
         if (strpos($path, 'cid:') === 0) {
             return $path;
         }
+
+        $host_url = $base_url;
+        $abs_path = $path;
 
         // cut base_url to the last directory
         if (strrpos($base_url, '/') > 7) {
@@ -92,9 +89,10 @@
             $path = preg_replace('/^\.\//', '', $path);
 
             if (preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER)) {
-                foreach ($matches as $a_match) {
-                    if (strrpos($base_url, '/')) {
-                        $base_url = substr($base_url, 0, strrpos($base_url, '/'));
+                $cnt = count($matches);
+                while ($cnt--) {
+                    if ($pos = strrpos($base_url, '/')) {
+                        $base_url = substr($base_url, 0, $pos);
                     }
                     $path = substr($path, 3);
                 }

--
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