From 33966a5c192dde8894724161b6cb1eead87444d0 Mon Sep 17 00:00:00 2001
From: Michael M Slusarz <slusarz@curecanti.org>
Date: Tue, 16 Dec 2008 13:03:36 -0700
Subject: [PATCH] Reintroduce default charset feature.

---
 framework/Mime/lib/Horde/Mime/Headers.php | 27 +++++++++++++++++++++++----
 framework/Mime/lib/Horde/Mime/Part.php    | 18 +++++++++++-------
 2 files changed, 34 insertions(+), 11 deletions(-)

diff --git a/framework/Mime/lib/Horde/Mime/Headers.php b/framework/Mime/lib/Horde/Mime/Headers.php
index 2622fa19a..043390fc6 100644
--- a/framework/Mime/lib/Horde/Mime/Headers.php
+++ b/framework/Mime/lib/Horde/Mime/Headers.php
@@ -14,6 +14,14 @@
 class Horde_Mime_Headers
 {
     /**
+     * The default charset to use when parsing text parts with no charset
+     * information.
+     *
+     * @var string
+     */
+    static public $defaultCharset = 'us-ascii';
+
+    /**
      * The internal headers array.
      *
      * @var array
@@ -516,9 +524,9 @@ class Horde_Mime_Headers
      */
     static public function parseHeaders($text)
     {
-        $headers = new Horde_Mime_Headers();
         $currheader = $currtext = null;
         $mime = self::mimeParamFields();
+        $to_process = array();
 
         require_once 'Horde/String.php';
 
@@ -534,9 +542,9 @@ class Horde_Mime_Headers
                 if (!is_null($currheader)) {
                     if (in_array(String::lower($currheader), $mime)) {
                         $res = Horde_Mime::decodeParam($currheader . ': ' . $currtext);
-                        $headers->addHeader($currheader, $res['val'], array('decode' => true, 'params' => $res['params']));
+                        $to_process[] = array($currheader, $res['val'], array('decode' => true, 'params' => $res['params']));
                     } else {
-                        $headers->addHeader($currheader, $currtext, array('decode' => true));
+                        $to_process[] = array($currheader, $currtext, array('decode' => true));
                     }
                 }
                 $pos = strpos($val, ':');
@@ -544,7 +552,18 @@ class Horde_Mime_Headers
                 $currtext = ltrim(substr($val, $pos + 1));
             }
         }
-        $headers->addHeader($currheader, $currtext, array('decode' => true));
+        $to_process[] = array($currheader, $currtext, array('decode' => true));
+
+        $headers = new Horde_Mime_Headers();
+        $eightbit_check = (self::$defaultCharset != 'us-ascii');
+
+        reset($to_process);
+        while (list(,$val) = each($to_process)) {
+            if ($eightbit_check && Horde_Mime::is8bit($val[1])) {
+                $val[1] = String::convertCharset($val[1], self::$defaultCharset);
+            }
+            $headers->addHeader($val[0], $val[1], $val[2]);
+        }
 
         return $headers;
     }
diff --git a/framework/Mime/lib/Horde/Mime/Part.php b/framework/Mime/lib/Horde/Mime/Part.php
index 38aa7f5fc..629ee840e 100644
--- a/framework/Mime/lib/Horde/Mime/Part.php
+++ b/framework/Mime/lib/Horde/Mime/Part.php
@@ -25,9 +25,6 @@ class Horde_Mime_Part
      * messages. */
     const RFC_EOL = "\r\n";
 
-    /* The default MIME character set. */
-    const DEFAULT_CHARSET = 'us-ascii';
-
     /* The default MIME disposition. */
     const DEFAULT_DISPOSITION = 'inline';
 
@@ -35,6 +32,14 @@ class Horde_Mime_Part
     const DEFAULT_ENCODING = '7bit';
 
     /**
+     * The default charset to use when parsing text parts with no charset
+     * information.
+     *
+     * @var string
+     */
+    static public $defaultCharset = 'us-ascii';
+
+    /**
      * The type (ex.: text) of this part.
      * Per RFC 2045, the default is 'application'.
      *
@@ -1499,10 +1504,9 @@ class Horde_Mime_Part
 
         /* Set the default character set. */
         if (($data['subtype'] == 'text') &&
-            (String::lower($ob->getCharset()) == 'us-ascii') &&
-            isset($GLOBALS['mime_structure']['default_charset'])) {
-            /* @todo - switch to using static variable for this. */
-            //$ob->setCharset($GLOBALS['mime_structure']['default_charset']);
+            (self::$defaultCharset != 'us-ascii') &&
+            (String::lower($ob->getCharset()) == 'us-ascii')) {
+            $ob->setCharset(self::$defaultCharset);
         }
 
         if (isset($data['description'])) {
-- 
2.11.0