From 63d6e6dfc35e6d82c4a64f37c408794c163becd4 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 28 Sep 2011 15:16:41 -0400
Subject: [PATCH] Bump versions to 0.6 stable

---
 program/include/rcube_message.php |   85 +++++++++++++++++++++++++++++++++---------
 1 files changed, 67 insertions(+), 18 deletions(-)

diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index dfccb36..20cecf1 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) 2008-2010, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2008-2010, The Roundcube Dev Team                       |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -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
      *
@@ -286,7 +286,7 @@
         if ($message_ctype_primary == 'text' && !$recursive) {
             $structure->type = 'content';
             $this->parts[] = &$structure;
-            
+
             // Parse simple (plain text) message body
             if ($message_ctype_secondary == 'plain')
                 foreach ((array)$this->uu_decode($structure) as $uupart) {
@@ -306,7 +306,7 @@
 
             foreach ($structure->parts as $p => $sub_part) {
                 $sub_mimetype = $sub_part->mimetype;
-        
+
                 // check if sub part is
                 if ($sub_mimetype == 'text/plain')
                     $plain_part = $p;
@@ -323,7 +323,7 @@
                 $this->parse_alternative = true;
                 $this->parse_structure($structure->parts[$related_part], true);
                 $this->parse_alternative = false;
-        
+
                 // if plain part was found, we should unset it if html is preferred
                 if ($this->opt['prefer_html'] && count($this->parts))
                     $plain_part = null;
@@ -373,6 +373,8 @@
             $p->ctype_secondary = 'plain';
             $p->body            = rcube_label('encryptedmessage');
             $p->size            = strlen($p->body);
+
+            $this->parts[] = $p;
         }
         // message contains multiple parts
         else if (is_array($structure->parts) && !empty($structure->parts)) {
@@ -399,9 +401,9 @@
                     if ($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 +412,10 @@
 
                     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']);
@@ -422,13 +428,13 @@
                         $mail_part->type = 'content';
                         $this->parts[] = $mail_part;
                     }
-          
+
                     // list as attachment as well
                     if (!empty($mail_part->filename))
                         $this->attachments[] = $mail_part;
                 }
                 // part message/*
-                else if ($primary_type=='message') {
+                else if ($primary_type == 'message') {
                     $this->parse_structure($mail_part, true);
 
                     // list as attachment as well (mostly .eml)
@@ -448,7 +454,9 @@
                 }
                 // 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' && $secondary_type == 'applefile')
@@ -467,26 +475,65 @@
                     // attachment encapsulated within message/rfc822 part needs further decoding (#1486743)
                     else if ($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', $part_mimetype)) {
+                    // regular attachment with valid content type
+                    // (content-type name regexp according to RFC4288.4.2)
+                    else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[a-z0-9!#$&.+^_-]+$/i', $part_mimetype)) {
                         if (!$mail_part->filename)
                             $mail_part->filename = 'Part '.$mail_part->mime_id;
+
                         $this->attachments[] = $mail_part;
                     }
+                    // attachment with invalid content type
+                    // replace malformed content type with application/octet-stream (#1487767)
+                    else if ($mail_part->filename) {
+                        $mail_part->ctype_primary   = 'application';
+                        $mail_part->ctype_secondary = 'octet-stream';
+                        $mail_part->mimetype        = 'application/octet-stream';
+
+                        $this->attachments[] = $mail_part;
+                    }
+                }
+                // attachment part as message/rfc822 (#1488026)
+                else if ($mail_part->mimetype == 'message/rfc822') {
+                    $this->parse_structure($mail_part);
                 }
             }
 
             // if this was a related part try to resolve references
             if ($mimetype == 'multipart/related' && sizeof($this->inline_parts)) {
                 $a_replaces = array();
+                $img_regexp = '/^image\/(gif|jpe?g|png|tiff|bmp|svg)/';
 
                 foreach ($this->inline_parts as $inline_object) {
                     $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] = $part_url;
+                    }
+
+                    if (!empty($inline_object->filename)) {
+                        // 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)) {
+                            $this->attachments[] = $inline_object;
+                        }
+                        // MS Outlook sometimes also adds non-image attachments as related
+                        // We'll add all such attachments to the attachments list
+                        // Warning: some browsers support pdf in <img/>
+                        else if (!preg_match($img_regexp, $inline_object->mimetype)) {
+                            $this->attachments[] = $inline_object;
+                        }
+                        // @TODO: we should fetch HTML body and find attachment's content-id
+                        // to handle also image attachments without reference in the body
+                        // @TODO: should we list all image attachments in text mode?
+                    }
                 }
 
                 // add replace array to each content part
@@ -685,7 +732,9 @@
                     $line  = $prefix . rc_wordwrap($line, $length - $level - 2, " \r\n$prefix ");
                 }
                 else if ($line) {
-                    $line = ' ' . rc_wordwrap(rtrim($line), $length - 2, " \r\n ");
+                    $line = rc_wordwrap(rtrim($line), $length - 2, " \r\n");
+                    // space-stuffing
+                    $line = preg_replace('/(^|\r\n)(From| |>)/', '\\1 \\2', $line);
                 }
 
                 $text[$idx] = $line;

--
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