From db1a87cd6c506f2afbd1a37c64cb56ae11120b49 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Fri, 17 Dec 2010 10:07:04 -0500
Subject: [PATCH] Update branch for 0.5-rc release

---
 program/include/rcube_message.php |   43 +++++++++++++++++++++++++++++++------------
 1 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index dfccb36..b6c865d 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -45,7 +45,7 @@
     private $opt = array();
     private $inline_parts = array();
     private $parse_alternative = false;
-  
+
     public $uid = null;
     public $headers;
     public $structure;
@@ -55,7 +55,7 @@
     public $subject = '';
     public $sender = null;
     public $is_safe = false;
-  
+
 
     /**
      * __construct
@@ -105,8 +105,8 @@
         // notify plugins and let them analyze this structured message object
         $this->app->plugins->exec_hook('message_load', array('object' => $this));
     }
-  
-  
+
+
     /**
      * Return a (decoded) message header
      *
@@ -124,7 +124,7 @@
         return $raw ? $value : $this->imap->decode_header($value);
     }
 
-  
+
     /**
      * Set is_safe var and session data
      *
@@ -399,9 +399,9 @@
                     if ($part_orig_mimetype == 'message/rfc822' && !empty($mail_part->filename))
                         $this->attachments[] = $mail_part;
                 }
-                // part text/[plain|html] OR message/delivery-status
+                // part text/[plain|html] or delivery status
                 else if ((($part_mimetype == 'text/plain' || $part_mimetype == 'text/html') && $mail_part->disposition != 'attachment') ||
-                    $part_mimetype == 'message/delivery-status' || $part_mimetype == 'message/disposition-notification'
+                    in_array($part_mimetype, array('message/delivery-status', 'text/rfc822-headers', 'message/disposition-notification'))
                 ) {
                     // Allow plugins to handle also this part
                     $plugin = $this->app->plugins->exec_hook('message_part_structure',
@@ -410,6 +410,10 @@
 
                     if ($plugin['abort'])
                         continue;
+
+                    if ($part_mimetype == 'text/html') {
+                        $got_html_part = true;
+                    }
 
                     $mail_part = $plugin['structure'];
                     list($primary_type, $secondary_type) = explode('/', $plugin['mimetype']);
@@ -422,7 +426,7 @@
                         $mail_part->type = 'content';
                         $this->parts[] = $mail_part;
                     }
-          
+
                     // list as attachment as well
                     if (!empty($mail_part->filename))
                         $this->attachments[] = $mail_part;
@@ -448,7 +452,9 @@
                 }
                 // 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)
+                    $mail_part->headers['content-id'] ||
+                    ($mail_part->filename &&
+                        (empty($mail_part->disposition) || preg_match('/^[a-z0-9!#$&.+^_-]+$/i', $mail_part->disposition)))
                 ) {
                     // skip apple resource forks
                     if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile')
@@ -467,9 +473,13 @@
                     // attachment encapsulated within message/rfc822 part needs further decoding (#1486743)
                     else if ($part_orig_mimetype == 'message/rfc822') {
                         $this->parse_structure($mail_part, true);
+
+                        // list as attachment as well (mostly .eml)
+                        if (!empty($mail_part->filename))
+                            $this->attachments[] = $mail_part;
                     }
-                    // is a regular attachment
-                    else if (preg_match('!^[a-z0-9-.+]+/[a-z0-9-.+]+$!i', $part_mimetype)) {
+                    // is a regular attachment (content-type name regexp according to RFC4288.4.2)
+                    else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[a-z0-9!#$&.+^_-]+$/i', $part_mimetype)) {
                         if (!$mail_part->filename)
                             $mail_part->filename = 'Part '.$mail_part->mime_id;
                         $this->attachments[] = $mail_part;
@@ -485,8 +495,17 @@
                     $part_url = $this->get_part_url($inline_object->mime_id);
                     if ($inline_object->content_id)
                         $a_replaces['cid:'.$inline_object->content_id] = $part_url;
-                    if ($inline_object->content_location)
+                    if ($inline_object->content_location) {
                         $a_replaces[$inline_object->content_location] = $part_url;
+                    }
+                    // MS Outlook sends sometimes non-related attachments as related
+                    // In this case multipart/related message has only one text part
+                    // We'll add all such attachments to the attachments list
+                    if (!isset($got_html_part) && empty($inline_object->content_id)
+                        && !empty($inline_object->filename)
+                    ) {
+                        $this->attachments[] = $inline_object;
+                    }
                 }
 
                 // add replace array to each content part

--
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