From 340c8a91fe993b0f908a0327682a5af873f65321 Mon Sep 17 00:00:00 2001
From: Steve Clay <steve@mrclay.org>
Date: Wed, 8 Oct 2008 13:20:12 +0000
Subject: [PATCH] Issue 24. Make sure all accesses of DOCUMENT_ROOT are first
 passed through realpath() to resolve symlinks.

---
 min/lib/Minify/CSS.php             | 10 ++++------
 min/lib/Minify/ImportProcessor.php |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/min/lib/Minify/CSS.php b/min/lib/Minify/CSS.php
index 7fa6f26..5440471 100644
--- a/min/lib/Minify/CSS.php
+++ b/min/lib/Minify/CSS.php
@@ -282,7 +282,7 @@ class Minify_CSS {
                     $path = self::$_tempCurrentDir 
                         . DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR);
                     // strip doc root
-                    $path = substr($path, strlen($_SERVER['DOCUMENT_ROOT']));
+                    $path = substr($path, strlen(realpath($_SERVER['DOCUMENT_ROOT'])));
                     // fix to absolute URL
                     $url = strtr($path, DIRECTORY_SEPARATOR, '/');
                     // remove /./ and /../ where possible
@@ -294,11 +294,9 @@ class Minify_CSS {
                 }
             }
         }
-        if ($isImport) {
-            return "@import {$quote}{$url}{$quote}";
-        } else {
-            return "url({$quote}{$url}{$quote})";
-        }
+        return $isImport 
+            ? "@import {$quote}{$url}{$quote}"
+            : "url({$quote}{$url}{$quote})";
     }
     
     /**
diff --git a/min/lib/Minify/ImportProcessor.php b/min/lib/Minify/ImportProcessor.php
index b03fef8..be7efb7 100644
--- a/min/lib/Minify/ImportProcessor.php
+++ b/min/lib/Minify/ImportProcessor.php
@@ -141,7 +141,7 @@ class Minify_ImportProcessor {
                 $path = $this->_currentDir 
                     . DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR);
                 // strip doc root
-                $path = substr($path, strlen($_SERVER['DOCUMENT_ROOT']));
+                $path = substr($path, strlen(realpath($_SERVER['DOCUMENT_ROOT'])));
                 // fix to absolute URL
                 $url = strtr($path, DIRECTORY_SEPARATOR, '/');
                 // remove /./ and /../ where possible