From be9aacaa5296dfca63fb3a01c2dc52538d1546aa Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Sat, 17 Nov 2012 12:31:31 -0500
Subject: [PATCH] Bring back lost localization for the about page

---
 program/include/rcube_message.php |   89 ++++++++++++++++++++++++++++++++++----------
 1 files changed, 68 insertions(+), 21 deletions(-)

diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index a140b86..87319f0 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -24,7 +24,8 @@
  * Logical representation of a mail message with all its data
  * and related functions
  *
- * @package    Mail
+ * @package    Framework
+ * @subpackage Storage
  * @author     Thomas Bruederli <roundcube@gmail.com>
  */
 class rcube_message
@@ -50,13 +51,14 @@
      */
     private $mime;
     private $opt = array();
-    private $inline_parts = array();
     private $parse_alternative = false;
 
-    public $uid = null;
+    public $uid;
+    public $folder;
     public $headers;
     public $parts = array();
     public $mime_parts = array();
+    public $inline_parts = array();
     public $attachments = array();
     public $subject = '';
     public $sender = null;
@@ -68,16 +70,21 @@
      *
      * Provide a uid, and parse message structure.
      *
-     * @param string $uid The message UID.
+     * @param string $uid    The message UID.
+     * @param string $folder Folder name
      *
      * @see self::$app, self::$storage, self::$opt, self::$parts
      */
-    function __construct($uid)
+    function __construct($uid, $folder = null)
     {
         $this->uid  = $uid;
         $this->app  = rcube::get_instance();
         $this->storage = $this->app->get_storage();
+        $this->folder  = strlen($folder) ? $folder : $this->storage->get_folder();
         $this->storage->set_options(array('all_headers' => true));
+
+        // Set current folder
+        $this->storage->set_folder($this->folder);
 
         $this->headers = $this->storage->get_message($uid);
 
@@ -179,10 +186,12 @@
                 }
                 return $fp ? true : $part->body;
             }
+
             // get from IMAP
+            $this->storage->set_folder($this->folder);
+
             return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv);
-        } else
-            return null;
+        }
     }
 
 
@@ -190,27 +199,29 @@
      * Determine if the message contains a HTML part
      *
      * @param bool $recursive Enables checking in all levels of the structure
+     * @param bool $enriched  Enables checking for text/enriched parts too
      *
      * @return bool True if a HTML is available, False if not
      */
-    function has_html_part($recursive = true)
+    function has_html_part($recursive = true, $enriched = false)
     {
         // check all message parts
         foreach ($this->parts as $part) {
-            if ($part->mimetype == 'text/html') {
+            if ($part->mimetype == 'text/html' || ($enriched && $part->mimetype == 'text/enriched')) {
                 // Level check, we'll skip e.g. HTML attachments
                 if (!$recursive) {
                     $level = explode('.', $part->mime_id);
 
-                    // Level too high
-                    if (count($level) > 2) {
+                    // Skip if level too deep or part has a file name
+                    if (count($level) > 2 || $part->filename) {
                         continue;
                     }
 
                     // HTML part can be on the lower level, if not...
                     if (count($level) > 1) {
-                        // It can be an alternative or related message part
-                        $parent = $this->mime_parts[0];
+                        array_pop($level);
+                        $parent = $this->mime_parts[join('.', $level)];
+                        // ... parent isn't multipart/alternative or related
                         if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
                             continue;
                         }
@@ -261,10 +272,6 @@
             else if ($part->mimetype == 'text/html') {
                 $out = $this->get_part_content($mime_id);
 
-                // remove special chars encoding
-                $trans = array_flip(get_html_translation_table(HTML_ENTITIES));
-                $out = strtr($out, $trans);
-
                 // create instance of html2text class
                 $txt = new html2text($out);
                 return $txt->get_text();
@@ -273,6 +280,32 @@
 
         $part = null;
         return null;
+    }
+
+
+    /**
+     * Checks if part of the message is an attachment (or part of it)
+     *
+     * @param rcube_message_part $part Message part
+     *
+     * @return bool True if the part is an attachment part
+     */
+    public function is_attachment($part)
+    {
+        foreach ($this->attachments as $att_part) {
+            if ($att_part->mime_id == $part->mime_id) {
+                return true;
+            }
+
+            // check if the part is a subpart of another attachment part (message/rfc822)
+            if ($att_part->mimetype == 'message/rfc822') {
+                if (in_array($part, (array)$att_part->parts)) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
     }
 
 
@@ -336,6 +369,11 @@
 
             foreach ($structure->parts as $p => $sub_part) {
                 $sub_mimetype = $sub_part->mimetype;
+
+                // skip empty text parts
+                if (!$sub_part->size && preg_match('#^text/(plain|html|enriched)$#', $sub_mimetype)) {
+                    continue;
+                }
 
                 // check if sub part is
                 if ($sub_mimetype == 'text/plain')
@@ -443,7 +481,7 @@
                     if ($plugin['abort'])
                         continue;
 
-                    if ($part_mimetype == 'text/html') {
+                    if ($part_mimetype == 'text/html' && $mail_part->size) {
                         $got_html_part = true;
                     }
 
@@ -460,8 +498,13 @@
                     }
 
                     // list as attachment as well
-                    if (!empty($mail_part->filename))
+                    if (!empty($mail_part->filename)) {
                         $this->attachments[] = $mail_part;
+                    }
+                    // list html part as attachment (here the part is most likely inside a multipart/related part)
+                    else if ($this->parse_alternative && ($secondary_type == 'html' && !$this->opt['prefer_html'])) {
+                        $this->attachments[] = $mail_part;
+                    }
                 }
                 // part message/*
                 else if ($primary_type == 'message') {
@@ -611,8 +654,10 @@
     function tnef_decode(&$part)
     {
         // @TODO: attachment may be huge, hadle it via file
-        if (!isset($part->body))
+        if (!isset($part->body)) {
+            $this->storage->set_folder($this->folder);
             $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
+        }
 
         $parts = array();
         $tnef = new tnef_decoder;
@@ -647,8 +692,10 @@
     function uu_decode(&$part)
     {
         // @TODO: messages may be huge, hadle body via file
-        if (!isset($part->body))
+        if (!isset($part->body)) {
+            $this->storage->set_folder($this->folder);
             $part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
+        }
 
         $parts = array();
         // FIXME: line length is max.65?

--
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