From 4af76d20cafcd456bf3ce0fcb17b25a888c45160 Mon Sep 17 00:00:00 2001
From: Thomas <thomas@roundcube.net>
Date: Mon, 21 Oct 2013 15:14:46 -0400
Subject: [PATCH] Bump version

---
 program/lib/Roundcube/rcube_message.php |  118 ++++++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 72 insertions(+), 46 deletions(-)

diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index f41493d..a8bcf6a 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -85,15 +85,16 @@
 
         $this->headers = $this->storage->get_message($uid);
 
-        if (!$this->headers)
+        if (!$this->headers) {
             return;
+        }
 
         $this->mime = new rcube_mime($this->headers->charset);
 
-        $this->subject = $this->mime->decode_mime_string($this->headers->subject);
+        $this->subject = $this->headers->get('subject');
         list(, $this->sender) = each($this->mime->decode_address_list($this->headers->from, 1));
 
-        $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]));
+        $this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$this->folder.':'.$uid]));
         $this->opt = array(
             'safe' => $this->is_safe,
             'prefer_html' => $this->app->config->get('prefer_html'),
@@ -125,15 +126,11 @@
      */
     public function get_header($name, $raw = false)
     {
-        if (empty($this->headers))
+        if (empty($this->headers)) {
             return null;
+        }
 
-        if ($this->headers->$name)
-            $value = $this->headers->$name;
-        else if ($this->headers->others[$name])
-            $value = $this->headers->others[$name];
-
-        return $raw ? $value : $this->mime->decode_header($value);
+        return $this->headers->get($name, !$raw);
     }
 
 
@@ -144,8 +141,7 @@
      */
     public function set_safe($safe = true)
     {
-        $this->is_safe = $safe;
-        $_SESSION['safe_messages'][$this->uid] = $this->is_safe;
+        $_SESSION['safe_messages'][$this->folder.':'.$this->uid] = $this->is_safe = $safe;
     }
 
 
@@ -153,12 +149,13 @@
      * Compose a valid URL for getting a message part
      *
      * @param string $mime_id Part MIME-ID
+     * @param mixed  $embed Mimetype class for parts to be embedded
      * @return string URL or false if part does not exist
      */
     public function get_part_url($mime_id, $embed = false)
     {
         if ($this->mime_parts[$mime_id])
-            return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : '');
+            return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1&_mimeclass=' . $embed : '');
         else
             return false;
     }
@@ -210,18 +207,20 @@
                 if (!$recursive) {
                     $level = explode('.', $part->mime_id);
 
-                    // Skip if level too deep or part has a file name
-                    if (count($level) > 2 || $part->filename) {
+                    // Skip if part is an attachment
+                    if ($this->is_attachment($part)) {
                         continue;
                     }
 
-                    // HTML part can be on the lower level, if not...
-                    if (count($level) > 1) {
-                        array_pop($level);
+                    // Check if the part belongs to higher-level's alternative/related
+                    while (array_pop($level) !== null) {
+                        if (!count($level)) {
+                            return true;
+                        }
+
                         $parent = $this->mime_parts[join('.', $level)];
-                        // ... parent isn't multipart/alternative or related
                         if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
-                            continue;
+                            continue 2;
                         }
                     }
                 }
@@ -271,7 +270,7 @@
                 $out = $this->get_part_content($mime_id);
 
                 // create instance of html2text class
-                $txt = new html2text($out);
+                $txt = new rcube_html2text($out);
                 return $txt->get_text();
             }
         }
@@ -322,7 +321,7 @@
 
             // parse headers from message/rfc822 part
             if (!isset($structure->headers['subject'])) {
-                list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 4096));
+                list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 32768));
                 $structure->headers = rcube_mime::parse_headers($headers);
             }
         }
@@ -330,10 +329,11 @@
             $mimetype = $structure->mimetype;
 
         // show message headers
-        if ($recursive && is_array($structure->headers) && isset($structure->headers['subject'])) {
+        if ($recursive && is_array($structure->headers) &&
+                ($structure->headers['subject'] || $structure->headers['from'] || $structure->headers['to'])) {
             $c = new stdClass;
             $c->type = 'headers';
-            $c->headers = &$structure->headers;
+            $c->headers = $structure->headers;
             $this->parts[] = $c;
         }
 
@@ -350,45 +350,59 @@
 
         // print body if message doesn't have multiple parts
         if ($message_ctype_primary == 'text' && !$recursive) {
+            // parts with unsupported type add to attachments list
+            if (!in_array($message_ctype_secondary, array('plain', 'html', 'enriched'))) {
+                $this->attachments[] = $structure;
+                return;
+            }
+
             $structure->type = 'content';
-            $this->parts[] = &$structure;
+            $this->parts[] = $structure;
 
             // Parse simple (plain text) message body
-            if ($message_ctype_secondary == 'plain')
+            if ($message_ctype_secondary == 'plain') {
                 foreach ((array)$this->uu_decode($structure) as $uupart) {
                     $this->mime_parts[$uupart->mime_id] = $uupart;
                     $this->attachments[] = $uupart;
                 }
+            }
         }
         // the same for pgp signed messages
         else if ($mimetype == 'application/pgp' && !$recursive) {
             $structure->type = 'content';
-            $this->parts[] = &$structure;
+            $this->parts[] = $structure;
         }
         // message contains (more than one!) alternative parts
         else if ($mimetype == 'multipart/alternative'
             && is_array($structure->parts) && count($structure->parts) > 1
         ) {
-            // get html/plaintext parts
-            $plain_part = $html_part = $print_part = $related_part = null;
+            $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;
+                $is_multipart = preg_match('/^multipart\/(related|relative|mixed|alternative)/', $sub_mimetype);
 
                 // skip empty text parts
-                if (!$sub_part->size && preg_match('#^text/(plain|html|enriched)$#', $sub_mimetype)) {
+                if (!$sub_part->size && !$is_multipart) {
                     continue;
                 }
 
                 // check if sub part is
-                if ($sub_mimetype == 'text/plain')
+                if ($is_multipart)
+                    $related_part = $p;
+                else if ($sub_mimetype == 'text/plain')
                     $plain_part = $p;
                 else if ($sub_mimetype == 'text/html')
                     $html_part = $p;
                 else if ($sub_mimetype == 'text/enriched')
                     $enriched_part = $p;
-                else if (in_array($sub_mimetype, array('multipart/related', 'multipart/mixed', 'multipart/alternative')))
-                    $related_part = $p;
+                else
+                    $attach_part = $p;
             }
 
             // parse related part (alternative part could be in here)
@@ -404,13 +418,13 @@
 
             // choose html/plain part to print
             if ($html_part !== null && $this->opt['prefer_html']) {
-                $print_part = &$structure->parts[$html_part];
+                $print_part = $structure->parts[$html_part];
             }
             else if ($enriched_part !== null) {
-                $print_part = &$structure->parts[$enriched_part];
+                $print_part = $structure->parts[$enriched_part];
             }
             else if ($plain_part !== null) {
-                $print_part = &$structure->parts[$plain_part];
+                $print_part = $structure->parts[$plain_part];
             }
 
             // add the right message body
@@ -432,10 +446,15 @@
 
             // add html part as attachment
             if ($html_part !== null && $structure->parts[$html_part] !== $print_part) {
-                $html_part = &$structure->parts[$html_part];
+                $html_part = $structure->parts[$html_part];
                 $html_part->mimetype = 'text/html';
 
                 $this->attachments[] = $html_part;
+            }
+
+            // add unsupported/unrecognized parts to attachments list
+            if ($attach_part) {
+                $this->attachments[] = $structure->parts[$attach_part];
             }
         }
         // this is an ecrypted message -> create a plaintext body with the according message
@@ -446,6 +465,17 @@
             $p->ctype_secondary = 'plain';
             $p->mimetype        = 'text/plain';
             $p->realtype        = 'multipart/encrypted';
+
+            $this->parts[] = $p;
+        }
+        // this is an S/MIME ecrypted message -> create a plaintext body with the according message
+        else if ($mimetype == 'application/pkcs7-mime') {
+            $p = new stdClass;
+            $p->type            = 'content';
+            $p->ctype_primary   = 'text';
+            $p->ctype_secondary = 'plain';
+            $p->mimetype        = 'text/plain';
+            $p->realtype        = 'application/pkcs7-mime';
 
             $this->parts[] = $p;
         }
@@ -541,7 +571,7 @@
                         continue;
 
                     // part belongs to a related message and is linked
-                    if ($mimetype == 'multipart/related'
+                    if (preg_match('/^multipart\/(related|relative)/', $mimetype)
                         && ($mail_part->headers['content-id'] || $mail_part->headers['content-location'])) {
                         if ($mail_part->headers['content-id'])
                             $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
@@ -561,9 +591,6 @@
                     // regular attachment with valid content type
                     // (content-type name regexp according to RFC4288.4.2)
                     else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[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
@@ -583,13 +610,13 @@
             }
 
             // if this was a related part try to resolve references
-            if ($mimetype == 'multipart/related' && sizeof($this->inline_parts)) {
+            if (preg_match('/^multipart\/(related|relative)/', $mimetype) && sizeof($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, true);
-                    if ($inline_object->content_id)
+                    $part_url = $this->get_part_url($inline_object->mime_id, $inline_object->ctype_primary);
+                    if (isset($inline_object->content_id))
                         $a_replaces['cid:'.$inline_object->content_id] = $part_url;
                     if ($inline_object->content_location) {
                         $a_replaces[$inline_object->content_location] = $part_url;
@@ -628,7 +655,6 @@
         }
         // message is a single part non-text (without filename)
         else if (preg_match('/application\//i', $mimetype)) {
-            $structure->filename = 'Part '.$structure->mime_id;
             $this->attachments[] = $structure;
         }
     }
@@ -730,7 +756,7 @@
                 $uupart->size     = strlen($uupart->body);
                 $uupart->mime_id  = 'uu.' . $part->mime_id . '.' . $pid;
 
-                $ctype = rcube_mime::content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
+                $ctype = rcube_mime::file_content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
                 $uupart->mimetype = $ctype;
                 list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype);
 

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