From b0d56e93f542a348b0695705dcae3b07fa2fea09 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Mon, 06 Jul 2009 13:44:35 -0400
Subject: [PATCH] - simple fix for malformed Content-Disposition (#1485965)

---
 program/include/rcube_message.php |   80 +++++++++++++++++++++++++++-------------
 1 files changed, 54 insertions(+), 26 deletions(-)

diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index c18db4b..9fe9858 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -5,7 +5,7 @@
  | program/include/rcube_message.php                                     |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2008, RoundCube Dev. - Switzerland                      |
+ | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -45,32 +45,48 @@
   public $sender = null;
   public $is_safe = false;
   
-  
+
+  /**
+   * __construct
+   *
+   * Provide a uid, and parse message structure.
+   *
+   * @param string $uid The message UID.
+   *
+   * @uses rcmail::get_instance()
+   * @uses rcube_imap::decode_mime_string()
+   * @uses self::set_safe()
+   *
+   * @see self::$app, self::$imap, self::$opt, self::$structure
+   */
   function __construct($uid)
   {
     $this->app = rcmail::get_instance();
     $this->imap = $this->app->imap;
     
     $this->uid = $uid;
-    $this->headers = $this->imap->get_headers($uid);
+    $this->headers = $this->imap->get_headers($uid, NULL, true, true);
+
     $this->subject = rcube_imap::decode_mime_string($this->headers->subject, $this->headers->charset);
     list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));
     
     $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]));
-    
     $this->opt = array(
       'safe' => $this->is_safe,
       'prefer_html' => $this->app->config->get('prefer_html'),
       'get_url' => rcmail_url('get', array('_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid))
     );
-    
-    if ($this->structure = $this->imap->get_structure($uid)) {
+
+    if ($this->structure = $this->imap->get_structure($uid, $this->headers->body_structure)) {
       $this->get_mime_numbers($this->structure);
       $this->parse_structure($this->structure);
     }
     else {
       $this->body = $this->imap->get_body($uid);
     }
+    
+    // notify plugins and let them analyze this structured message object
+    $this->app->plugins->exec_hook('message_load', array('object' => $this));
   }
   
   
@@ -117,12 +133,13 @@
    * Get content of a specific part of this message
    *
    * @param string Part MIME-ID
+   * @param resource File pointer to save the message part
    * @return string Part content
    */
-  public function get_part_content($mime_id)
+  public function get_part_content($mime_id, $fp=NULL)
   {
     if ($part = $this->mime_parts[$mime_id])
-      return $this->imap->get_message_part($this->uid, $mime_id, $part);
+      return $this->imap->get_message_part($this->uid, $mime_id, $part, NULL, $fp);
     else
       return null;
   }
@@ -152,17 +169,13 @@
    */
   function first_html_part()
     {
-    $html_part = null;
-
     // check all message parts
     foreach ($this->mime_parts as $mime_id => $part) {
       $mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
       if ($mimetype == 'text/html') {
-        $html_part = $this->imap->get_message_part($this->uid, $mime_id, $part);
+        return $this->imap->get_message_part($this->uid, $mime_id, $part);
       }
     }
-
-    return $html_part;
   }
 
 
@@ -252,7 +265,7 @@
           $html_part = $p;
         else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
           $enriched_part = $p;
-        else if ($sub_ctype_primary=='multipart' && ($sub_ctype_secondary=='related' || $sub_ctype_secondary=='mixed'))
+        else if ($sub_ctype_primary=='multipart' && in_array($sub_ctype_secondary, array('related', 'mixed', 'alternative')))
           $related_part = $p;
       }
 
@@ -328,7 +341,7 @@
         // part text/[plain|html] OR message/delivery-status
         else if (($primary_type == 'text' && ($secondary_type == 'plain' || $secondary_type == 'html') && $mail_part->disposition != 'attachment') ||
                  ($primary_type == 'message' && ($secondary_type == 'delivery-status' || $secondary_type == 'disposition-notification'))) {
-          
+
           // add text part if we're not in alternative mode or if it matches the prefs
           if (!$this->parse_alternative ||
               ($secondary_type == 'html' && $this->opt['prefer_html']) ||
@@ -336,7 +349,7 @@
             $mail_part->type = 'content';
             $this->parts[] = $mail_part;
           }
-          
+
           // list as attachment as well
           if (!empty($mail_part->filename))
             $this->attachments[] = $mail_part;
@@ -344,28 +357,43 @@
         // part message/*
         else if ($primary_type=='message') {
           $this->parse_structure($mail_part, true);
+          
+          // list as attachment as well (mostly .eml)
+          if (!empty($mail_part->filename))
+            $this->attachments[] = $mail_part;
         }
         // ignore "virtual" protocol parts
         else if ($primary_type == 'protocol')
           continue;
+          
+        // part is Microsoft Outlook TNEF (winmail.dat)
+        else if ($primary_type == 'application' && $secondary_type == 'ms-tnef') {
+          foreach ((array)$this->imap->tnef_decode($mail_part, $structure->headers['uid']) as $tnef_part) {
+            $this->mime_parts[$tnef_part->mime_id] = $tnef_part;
+            $this->attachments[] = $tnef_part;
+          }
+        }
 
-        // part is file/attachment
-        else if ($mail_part->disposition == 'attachment' || $mail_part->disposition == 'inline' ||
+        // part is a file/attachment
+        else if (preg_match('/^(inline|attach)/', $mail_part->disposition) ||
                  $mail_part->headers['content-id'] || (empty($mail_part->disposition) && $mail_part->filename)) {
+
           // skip apple resource forks
           if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile')
             continue;
 
           // part belongs to a related message
-          if ($message_ctype_secondary == 'related' && $mail_part->headers['content-id']) {
-            $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
-            $this->inline_parts[] = $mail_part;
+          if ($message_ctype_secondary == 'related') {
+            if ($mail_part->headers['content-id'])
+              $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
+            if ($mail_part->headers['content-location'])
+              $mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];
+            
+            if ($mail_part->content_id || $mail_part->content_location) {
+              $this->inline_parts[] = $mail_part;
+            }
           }
-          else if ($message_ctype_secondary == 'related' && $mail_part->headers['content-location']) {
-            $mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];
-            $this->inline_parts[] = $mail_part;
-          }
-          // is regular attachment
+          // is a regular attachment
           else {
             if (!$mail_part->filename)
               $mail_part->filename = 'Part '.$mail_part->mime_id;

--
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