From 9dd3559ee4539b5bb88ee03f71875bf38c8f9fde Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 17 Apr 2015 05:07:09 -0400
Subject: [PATCH] Fix bug where some unrelated attachments in multipart/related message were not listed (#1490355)

---
 program/lib/Roundcube/rcube_message.php |   52 +++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 37 insertions(+), 15 deletions(-)

diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index 0d33ba4..a3bc4e2 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -222,6 +222,7 @@
 
         // part body not fetched yet... save in memory if it's small enough
         if ($part->body === null && is_numeric($mime_id) && $part->size < self::BODY_MAX_SIZE) {
+            $this->storage->set_folder($this->folder);
             // Warning: body here should be always unformatted
             $part->body = $this->storage->get_message_part($this->uid, $mime_id, $part,
                 null, null, true, 0, false);
@@ -263,15 +264,16 @@
         $this->storage->set_folder($this->folder);
 
         $body = $this->storage->get_message_part($this->uid, $mime_id, $part,
-            $mode === -1, is_resource($mode) ? $mode : null, !$formatted, $max_bytes, $formatted);
-
-        if (!$mode && $body && $formatted) {
-            $body = self::format_part_body($body, $part, $this->headers->charset);
-        }
+            $mode === -1, is_resource($mode) ? $mode : null,
+            !($mode && $formatted), $max_bytes, $mode && $formatted);
 
         if (is_resource($mode)) {
             rewind($mode);
             return $body !== false;
+        }
+
+        if (!$mode && $body && $formatted) {
+            $body = self::format_part_body($body, $part, $this->headers->charset);
         }
 
         return $body;
@@ -548,12 +550,6 @@
         else if ($mimetype == 'multipart/alternative'
             && is_array($structure->parts) && count($structure->parts) > 1
         ) {
-            $plain_part   = null;
-            $html_part    = null;
-            $print_part   = null;
-            $related_part = null;
-            $attach_part  = null;
-
             // get html/plaintext parts, other add to attachments list
             foreach ($structure->parts as $p => $sub_part) {
                 $sub_mimetype = $sub_part->mimetype;
@@ -574,8 +570,10 @@
                     $related_part = $p;
                 else if ($sub_mimetype == 'text/plain' && !$plain_part)
                     $plain_part = $p;
-                else if ($sub_mimetype == 'text/html' && !$html_part)
+                else if ($sub_mimetype == 'text/html' && !$html_part) {
                     $html_part = $p;
+                    $this->got_html_part = true;
+                }
                 else if ($sub_mimetype == 'text/enriched' && !$enriched_part)
                     $enriched_part = $p;
                 else {
@@ -631,8 +629,19 @@
             $p->ctype_secondary = 'plain';
             $p->mimetype        = 'text/plain';
             $p->realtype        = 'multipart/encrypted';
+            $p->mime_id         = $structure->mime_id;
 
             $this->parts[] = $p;
+
+            // add encrypted payload part as attachment
+            if (is_array($structure->parts)) {
+                for ($i=0; $i < count($structure->parts); $i++) {
+                    $subpart = $structure->parts[$i];
+                    if ($subpart->mimetype == 'application/octet-stream' || !empty($subpart->filename)) {
+                        $this->attachments[] = $subpart;
+                    }
+                }
+            }
         }
         // this is an S/MIME ecrypted message -> create a plaintext body with the according message
         else if ($mimetype == 'application/pkcs7-mime') {
@@ -642,8 +651,13 @@
             $p->ctype_secondary = 'plain';
             $p->mimetype        = 'text/plain';
             $p->realtype        = 'application/pkcs7-mime';
+            $p->mime_id         = $structure->mime_id;
 
             $this->parts[] = $p;
+
+            if (!empty($structure->filename)) {
+                $this->attachments[] = $structure;
+            }
         }
         // message contains multiple parts
         else if (is_array($structure->parts) && !empty($structure->parts)) {
@@ -684,7 +698,7 @@
                         continue;
 
                     if ($part_mimetype == 'text/html' && $mail_part->size) {
-                        $got_html_part = true;
+                        $this->got_html_part = true;
                     }
 
                     $mail_part = $plugin['structure'];
@@ -770,6 +784,14 @@
                 else if ($mail_part->mimetype == 'message/rfc822') {
                     $this->parse_structure($mail_part);
                 }
+                // calendar part not marked as attachment (#1490325)
+                else if ($part_mimetype == 'text/calendar') {
+                    if (!$mail_part->filename) {
+                        $mail_part->filename = 'calendar.ics';
+                    }
+
+                    $this->attachments[] = $mail_part;
+                }
             }
 
             // if this was a related part try to resolve references
@@ -789,7 +811,7 @@
                         // 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)) {
+                        if (!isset($this->got_html_part)) {
                             $this->attachments[] = $inline_object;
                         }
                         // MS Outlook sometimes also adds non-image attachments as related
@@ -849,7 +871,7 @@
     {
         // @TODO: attachment may be huge, handle body via file
         $body     = $this->get_part_body($part->mime_id);
-        $tnef     = new tnef_decoder;
+        $tnef     = new rcube_tnef_decoder;
         $tnef_arr = $tnef->decompress($body);
         $parts    = array();
 

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