From 4daaa09438bc05f9d5d6cf339cc0b60b511057e9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 06 Oct 2013 09:02:25 -0400
Subject: [PATCH] Move PEAR libs from plugins into main Roundcube lib directory, list them as dependencies in INSTALL file (#1489182)

---
 program/steps/mail/compose.inc |  439 ++++++++++++++++++++++++++++++------------------------
 1 files changed, 245 insertions(+), 194 deletions(-)

diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index b4dbd8d..dc24525 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -20,10 +20,10 @@
 */
 
 // define constants for message compose mode
-define('RCUBE_COMPOSE_REPLY', 0x0106);
-define('RCUBE_COMPOSE_FORWARD', 0x0107);
-define('RCUBE_COMPOSE_DRAFT', 0x0108);
-define('RCUBE_COMPOSE_EDIT', 0x0109);
+define('RCUBE_COMPOSE_REPLY', 'reply');
+define('RCUBE_COMPOSE_FORWARD', 'forward');
+define('RCUBE_COMPOSE_DRAFT', 'draft');
+define('RCUBE_COMPOSE_EDIT', 'edit');
 
 $MESSAGE_FORM = null;
 $COMPOSE_ID   = get_input_value('_id', RCUBE_INPUT_GET);
@@ -54,30 +54,12 @@
   $COMPOSE_ID = uniqid(mt_rand());
   $_SESSION['compose_data_'.$COMPOSE_ID] = array(
     'id'      => $COMPOSE_ID,
-    'param'   => request2param(RCUBE_INPUT_GET),
+    'param'   => rcube_utils::request2param(RCUBE_INPUT_GET, 'task|action', true),
     'mailbox' => $RCMAIL->storage->get_folder(),
   );
   $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
 
-  // process values like "mailto:foo@bar.com?subject=new+message&cc=another"
-  if ($COMPOSE['param']['to']) {
-    // #1486037: remove "mailto:" prefix
-    $COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $COMPOSE['param']['to']);
-    $mailto = explode('?', $COMPOSE['param']['to']);
-    if (count($mailto) > 1) {
-      $COMPOSE['param']['to'] = $mailto[0];
-      parse_str($mailto[1], $query);
-      foreach ($query as $f => $val)
-        $COMPOSE['param'][$f] = $val;
-    }
-  }
-
-  // select folder where to save the sent message
-  $COMPOSE['param']['sent_mbox'] = $RCMAIL->config->get('sent_mbox');
-
-  // pipe compose parameters thru plugins
-  $plugin = $RCMAIL->plugins->exec_hook('message_compose', $COMPOSE);
-  $COMPOSE['param'] = array_merge($COMPOSE['param'], $plugin['param']);
+  rcmail_process_compose_params($COMPOSE);
 
   // add attachments listed by message_compose hook
   if (is_array($plugin['attachments'])) {
@@ -139,28 +121,31 @@
 }
 // set current mailbox in client environment
 $OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder());
-$OUTPUT->set_env('sig_above', $RCMAIL->config->get('sig_above', false));
 $OUTPUT->set_env('top_posting', intval($RCMAIL->config->get('reply_mode')) > 0);
 $OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));
 
 // default font for HTML editor
-$font = rcube_fontdefs($RCMAIL->config->get('default_font', 'Verdana'));
+$font = rcube_fontdefs($RCMAIL->config->get('default_font'));
 if ($font && !is_array($font)) {
   $OUTPUT->set_env('default_font', $font);
+}
+
+// default font size for HTML editor
+if ($font_size = $RCMAIL->config->get('default_font_size')) {
+  $OUTPUT->set_env('default_font_size', $font_size);
 }
 
 // get reference message and set compose mode
 if ($msg_uid = $COMPOSE['param']['draft_uid']) {
   $compose_mode = RCUBE_COMPOSE_DRAFT;
+  $OUTPUT->set_env('draft_id', $msg_uid);
   $RCMAIL->storage->set_folder($CONFIG['drafts_mbox']);
 }
 else if ($msg_uid = $COMPOSE['param']['reply_uid']) {
   $compose_mode = RCUBE_COMPOSE_REPLY;
-  $OUTPUT->set_env('compose_mode', 'reply');
 }
 else if ($msg_uid = $COMPOSE['param']['forward_uid']) {
   $compose_mode = RCUBE_COMPOSE_FORWARD;
-  $OUTPUT->set_env('compose_mode', 'forward');
   $COMPOSE['forward_uid']   = $msg_uid;
   $COMPOSE['as_attachment'] = !empty($COMPOSE['param']['attachment']);
 }
@@ -168,9 +153,15 @@
   $compose_mode = RCUBE_COMPOSE_EDIT;
 }
 
+$COMPOSE['mode'] = $compose_mode;
+$OUTPUT->set_env('compose_mode', $compose_mode);
+
 $config_show_sig = $RCMAIL->config->get('show_sig', 1);
 if ($compose_mode == RCUBE_COMPOSE_EDIT || $compose_mode == RCUBE_COMPOSE_DRAFT) {
   // don't add signature in draft/edit mode, we'll also not remove the old-one
+  // but only on page display, later we should be able to change identity/sig (#1489229)
+  if ($config_show_sig == 1 || $config_show_sig == 2)
+    $OUTPUT->set_env('show_sig_later', true);
 }
 else if ($config_show_sig == 1)
   $OUTPUT->set_env('show_sig', true);
@@ -184,9 +175,18 @@
 
 if (!empty($msg_uid) && empty($COMPOSE['as_attachment']))
 {
-  // similar as in program/steps/mail/show.inc
-  // re-set 'prefer_html' to have possibility to use html part for compose
-  $CONFIG['prefer_html'] = $CONFIG['prefer_html'] || $CONFIG['htmleditor'] || $compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT;
+  $mbox_name = $RCMAIL->storage->get_folder();
+
+  // set format before rcube_message construction
+  // use the same format as for the message view
+  if (isset($_SESSION['msg_formats'][$mbox_name.':'.$msg_uid])) {
+    $RCMAIL->config->set('prefer_html', $_SESSION['msg_formats'][$mbox_name.':'.$msg_uid]);
+  }
+  else {
+    $prefer_html = $CONFIG['prefer_html'] || $CONFIG['htmleditor'] || $compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT;
+    $RCMAIL->config->set('prefer_html', $prefer_html);
+  }
+
   $MESSAGE = new rcube_message($msg_uid);
 
   // make sure message is marked as read
@@ -196,7 +196,10 @@
   if (!empty($MESSAGE->headers->charset))
     $RCMAIL->storage->set_charset($MESSAGE->headers->charset);
 
-  if ($compose_mode == RCUBE_COMPOSE_REPLY) {
+  if (!$MESSAGE->headers) {
+    // error
+  }
+  else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
     $COMPOSE['reply_uid'] = $msg_uid;
     $COMPOSE['reply_msgid'] = $MESSAGE->headers->messageID;
     $COMPOSE['references']  = trim($MESSAGE->headers->references . " " . $MESSAGE->headers->messageID);
@@ -211,10 +214,10 @@
       $COMPOSE['param']['sent_mbox'] = $sent_folder;
     }
   }
-  else if ($compose_mode == RCUBE_COMPOSE_DRAFT) {
-    if ($MESSAGE->headers->others['x-draft-info']) {
+  else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
+    if ($compose_mode == RCUBE_COMPOSE_DRAFT && ($draft_info = $MESSAGE->headers->get('x-draft-info'))) {
       // get reply_uid/forward_uid to flag the original message when sending
-      $info = rcmail_draftinfo_decode($MESSAGE->headers->others['x-draft-info']);
+      $info = rcmail_draftinfo_decode($draft_info);
 
       if ($info['type'] == 'reply')
         $COMPOSE['reply_uid'] = $info['uid'];
@@ -231,14 +234,22 @@
       }
     }
 
-    if ($MESSAGE->headers->in_reply_to)
-      $COMPOSE['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';
+    if ($in_reply_to = $MESSAGE->headers->get('in-reply-to'))
+      $COMPOSE['reply_msgid'] = '<' . $in_reply_to . '>';
 
-    $COMPOSE['references']  = $MESSAGE->headers->references;
+    $COMPOSE['references'] = $MESSAGE->headers->references;
   }
 }
 else {
   $MESSAGE = new stdClass();
+
+  // apply mailto: URL parameters
+  if (!empty($COMPOSE['param']['in-reply-to'])) {
+    $COMPOSE['reply_msgid'] = '<' . $COMPOSE['param']['in-reply-to'] . '>';
+  }
+  if (!empty($COMPOSE['param']['references'])) {
+    $COMPOSE['references'] = $COMPOSE['param']['references'];
+  }
 }
 
 $MESSAGE->compose = array();
@@ -308,8 +319,8 @@
       else if (!empty($MESSAGE->headers->from))
         $fvalue = $MESSAGE->headers->from;
 
-      // Reply to message sent by yourself (#1487074)
-      if (!empty($ident) && $fvalue == $ident['ident']) {
+      // Reply to message sent by yourself (#1487074, #1489230)
+      if (!empty($ident) && in_array($ident['ident'], array($fvalue, $MESSAGE->headers->from))) {
         $fvalue = $MESSAGE->headers->to;
       }
     }
@@ -319,6 +330,20 @@
         $fvalue .= $v;
       if ($v = $MESSAGE->headers->cc)
         $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+      // Use Sender header (#1489011)
+      if (($v = $MESSAGE->headers->get('Sender', false)) && strpos($v, '-bounces@') === false)
+        $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+
+      // When To: and Reply-To: are the same we add From: address to the list (#1489037)
+      if ($v = $MESSAGE->headers->from) {
+        $from    = rcube_mime::decode_address_list($v, null, false, $MESSAGE->headers->charset, true);
+        $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $MESSAGE->headers->charset, true);
+        $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $MESSAGE->headers->charset, true);
+
+        if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
+          $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
+        }
+      }
     }
   }
   else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
@@ -349,7 +374,12 @@
       $mailto = format_email(rcube_idn_to_utf8($addr_part['mailto']));
 
       if (!in_array($mailto, $a_recipients)
-        && ($header == 'to' || empty($MESSAGE->compose['from_email']) || $mailto != $MESSAGE->compose['from_email'])
+        && (
+          $header == 'to'
+          || $compose_mode != RCUBE_COMPOSE_REPLY
+          || empty($MESSAGE->compose['from_email'])
+          || $mailto != $MESSAGE->compose['from_email']
+        )
       ) {
         if ($addr_part['name'] && $addr_part['mailto'] != $addr_part['name'])
           $string = format_email_recipient($mailto, $addr_part['name']);
@@ -374,107 +404,58 @@
 
 /****** compose mode functions ********/
 
-function rcmail_identity_select($MESSAGE, $identities, $compose_mode)
+// process compose request parameters
+function rcmail_process_compose_params(&$COMPOSE)
 {
-  $a_recipients = array();
-  $a_names      = array();
+  if ($COMPOSE['param']['to']) {
+    $mailto = explode('?', $COMPOSE['param']['to'], 2);
 
-  // extract all recipients of the reply-message
-  if (is_object($MESSAGE->headers) && in_array($compose_mode, array(RCUBE_COMPOSE_REPLY, RCUBE_COMPOSE_FORWARD))) {
-    $a_to = rcube_mime::decode_address_list($MESSAGE->headers->to, null, true, $MESSAGE->headers->charset);
-    foreach ($a_to as $addr) {
-      if (!empty($addr['mailto'])) {
-        $a_recipients[] = format_email($addr['mailto']);
-        $a_names[]      = $addr['name'];
-      }
-    }
+    // #1486037: remove "mailto:" prefix
+    $COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $mailto[0]);
 
-    if (!empty($MESSAGE->headers->cc)) {
-      $a_cc = rcube_mime::decode_address_list($MESSAGE->headers->cc, null, true, $MESSAGE->headers->charset);
-      foreach ($a_cc as $addr) {
-        if (!empty($addr['mailto'])) {
-          $a_recipients[] = format_email($addr['mailto']);
-          $a_names[]      = $addr['name'];
+    // Supported case-insensitive tokens in mailto URL
+    $url_tokens = array('to', 'cc', 'bcc', 'reply-to', 'in-reply-to', 'references', 'subject', 'body');
+
+    if (!empty($mailto[1])) {
+      parse_str($mailto[1], $query);
+      foreach ($query as $f => $val) {
+        if (($key = array_search(strtolower($f), $url_tokens)) !== false) {
+          $f = $url_tokens[$key];
+        }
+
+        // merge mailto: addresses with addresses from 'to' parameter
+        if ($f == 'to' && !empty($COMPOSE['param']['to'])) {
+          $to_addresses  = rcube_mime::decode_address_list($COMPOSE['param']['to'], null, true, null, true);
+          $add_addresses = rcube_mime::decode_address_list($val, null, true);
+          foreach ($add_addresses as $addr) {
+            if (!in_array($addr['mailto'], $to_addresses)) {
+              $to_addresses[] = $addr['mailto'];
+              $COMPOSE['param']['to'] = (!empty($to_addresses) ? ', ' : '') . $addr['string'];
+            }
+          }
+        }
+        else {
+          $COMPOSE['param'][$f] = $val;
         }
       }
     }
   }
 
-  $from_idx         = null;
-  $found_idx        = null;
-  $default_identity = 0; // default identity is always first on the list
+  $RCMAIL = rcmail::get_instance();
 
-  // Select identity
-  foreach ($identities as $idx => $ident) {
-    // use From header
-    if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
-      if ($MESSAGE->headers->from == $ident['ident']) {
-        $from_idx = $idx;
-        break;
-      }
-    }
-    // reply to yourself
-    else if ($compose_mode == RCUBE_COMPOSE_REPLY && $MESSAGE->headers->from == $ident['ident']) {
-      $from_idx = $idx;
-      break;
-    }
-    // use replied message recipients
-    else if (($found = array_search($ident['email_ascii'], $a_recipients)) !== false) {
-      if ($found_idx === null) {
-        $found_idx = $idx;
-      }
-      // match identity name
-      if ($a_names[$found] && $ident['name'] && $a_names[$found] == $ident['name']) {
-        $from_idx = $idx;
-        break;
-      }
-    }
-  }
+  // select folder where to save the sent message
+  $COMPOSE['param']['sent_mbox'] = $RCMAIL->config->get('sent_mbox');
 
-  // If matching by name+address doesn't found any amtches, get first found address (identity)
-  if ($from_idx === null) {
-    $from_idx = $found_idx;
-  }
-
-  // Try Return-Path
-  if ($from_idx === null && ($return_path = $MESSAGE->headers->others['return-path'])) {
-    foreach ($identities as $idx => $ident) {
-      if (strpos($return_path, str_replace('@', '=', $ident['email_ascii']).'@') !== false) {
-        $from_idx = $idx;
-        break;
-      }
-    }
-  }
-
-  // Fallback using Delivered-To
-  if ($from_idx === null && ($delivered_to = $MESSAGE->headers->others['delivered-to'])) {
-    foreach ($identities as $idx => $ident) {
-      if (in_array($ident['email_ascii'], (array)$delivered_to)) {
-        $from_idx = $idx;
-        break;
-      }
-    }
-  }
-
-  // Fallback using Envelope-To
-  if ($from_idx === null && ($envelope_to = $MESSAGE->headers->others['envelope-to'])) {
-    foreach ($identities as $idx => $ident) {
-      if (in_array($ident['email_ascii'], (array)$envelope_to)) {
-        $from_idx = $idx;
-        break;
-      }
-    }
-  }
-
-  return $identities[$from_idx !== null ? $from_idx : $default_identity];
+  // pipe compose parameters thru plugins
+  $plugin = $RCMAIL->plugins->exec_hook('message_compose', $COMPOSE);
+  $COMPOSE['param'] = array_merge($COMPOSE['param'], $plugin['param']);
 }
-
 
 function rcmail_compose_headers($attrib)
 {
   global $MESSAGE;
 
-  list($form_start, $form_end) = get_form_tags($attrib);
+  list($form_start,) = get_form_tags($attrib);
 
   $out  = '';
   $part = strtolower($attrib['part']);
@@ -538,7 +519,7 @@
 
 function rcmail_compose_header_from($attrib)
 {
-  global $MESSAGE, $OUTPUT, $RCMAIL, $compose_mode;
+  global $MESSAGE, $OUTPUT, $RCMAIL, $COMPOSE, $compose_mode;
 
   // pass the following attributes to the form class
   $field_attrib = array('name' => '_from');
@@ -549,7 +530,8 @@
   if (count($MESSAGE->identities))
   {
     $a_signatures = array();
-    $separator    = $RCMAIL->config->get('sig_above')
+    $identities   = array();
+    $separator    = intval($RCMAIL->config->get('reply_mode')) > 0
       && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD) ? '---' : '-- ';
 
     $field_attrib['onchange'] = JS_OBJECT_NAME.".change_identity(this)";
@@ -567,7 +549,7 @@
         $text = $html = $sql_arr['signature'];
 
         if ($sql_arr['html_signature']) {
-            $h2t  = new html2text($sql_arr['signature'], false, false);
+            $h2t  = new rcube_html2text($sql_arr['signature'], false, false);
             $text = trim($h2t->get_text());
         }
         else {
@@ -586,12 +568,21 @@
         $a_signatures[$identity_id]['text'] = $text;
         $a_signatures[$identity_id]['html'] = $html;
       }
+
+      // add bcc and reply-to
+      if (!empty($sql_arr['reply-to'])) {
+        $identities[$identity_id]['replyto'] = $sql_arr['reply-to'];
+      }
+      if (!empty($sql_arr['bcc'])) {
+        $identities[$identity_id]['bcc'] = $sql_arr['bcc'];
+      }
     }
 
     $out = $select_from->show($MESSAGE->compose['from']);
 
     // add signatures to client
     $OUTPUT->set_env('signatures', $a_signatures);
+    $OUTPUT->set_env('identities', $identities);
   }
   // no identities, display text input field
   else {
@@ -606,7 +597,7 @@
 
 function rcmail_compose_editor_mode()
 {
-  global $RCMAIL, $MESSAGE, $compose_mode;
+  global $RCMAIL, $compose_mode;
   static $useHtml;
 
   if ($useHtml !== null)
@@ -618,13 +609,13 @@
     $useHtml = !empty($_POST['_is_html']);
   }
   else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
-    $useHtml = $MESSAGE->has_html_part(false, true);
+    $useHtml = rcmail_message_is_html();
   }
   else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
-    $useHtml = ($html_editor == 1 || ($html_editor >= 2 && $MESSAGE->has_html_part(false, true)));
+    $useHtml = ($html_editor == 1 || ($html_editor >= 2 && rcmail_message_is_html()));
   }
   else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
-    $useHtml = ($html_editor == 1 || ($html_editor == 3 && $MESSAGE->has_html_part(false, true)));
+    $useHtml = ($html_editor == 1 || ($html_editor == 3 && rcmail_message_is_html()));
   }
   else {
     $useHtml = ($html_editor == 1);
@@ -633,10 +624,15 @@
   return $useHtml;
 }
 
+function rcmail_message_is_html()
+{
+    global $RCMAIL, $MESSAGE;
+    return $RCMAIL->config->get('prefer_html') && ($MESSAGE instanceof rcube_message) && $MESSAGE->has_html_part(true);
+}
 
 function rcmail_prepare_message_body()
 {
-  global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $LINE_LENGTH, $HTML_MODE;
+  global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $HTML_MODE;
 
   // use posted message body
   if (!empty($_POST['_message'])) {
@@ -651,18 +647,34 @@
   else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $COMPOSE['as_attachment']) {
     $isHtml = rcmail_compose_editor_mode();
     $body = '';
-    if (empty($COMPOSE['attachments']))
-      rcmail_write_forward_attachments();
+    rcmail_write_forward_attachments();
   }
   // reply/edit/draft/forward
-  else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || $RCMAIL->config->get('reply_mode') != -1)) {
-    $isHtml = rcmail_compose_editor_mode();
+  else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || intval($RCMAIL->config->get('reply_mode')) != -1)) {
+    $isHtml   = rcmail_compose_editor_mode();
+    $messages = array();
 
     if (!empty($MESSAGE->parts)) {
+      // collect IDs of message/rfc822 parts
+      if ($compose_mode == RCUBE_COMPOSE_EDIT || $compose_mode == RCUBE_COMPOSE_DRAFT) {
+        foreach ($MESSAGE->attachments as $part) {
+          if ($part->mimetype == 'message/rfc822') {
+            $messages[] = $part->mime_id;
+          }
+        }
+      }
+
       foreach ($MESSAGE->parts as $part) {
         // skip no-content and attachment parts (#1488557)
         if ($part->type != 'content' || !$part->size || $MESSAGE->is_attachment($part)) {
           continue;
+        }
+
+        // skip all content parts inside the message/rfc822 part in DRAFT/EDIT mode
+        foreach ($messages as $mimeid) {
+          if (strpos($part->mime_id, $mimeid . '.') === 0) {
+            continue 2;
+          }
         }
 
         if ($part_body = rcmail_compose_part_body($part, $isHtml)) {
@@ -710,7 +722,7 @@
 
 function rcmail_compose_part_body($part, $isHtml = false)
 {
-    global $RCMAIL, $MESSAGE, $compose_mode;
+    global $RCMAIL, $MESSAGE, $LINE_LENGTH, $compose_mode;
 
     // Check if we have enough memory to handle the message in it
     // #1487424: we need up to 10x more memory than the body
@@ -747,6 +759,11 @@
                     $body = rcmail_remove_signature($body);
                 }
             }
+
+            if ($part->ctype_parameters['format'] == 'flowed') {
+                $body = rcube_mime::unfold_flowed($body);
+            }
+
             // add HTML formatting
             $body = rcmail_plain_body($body);
             if ($body) {
@@ -764,11 +781,8 @@
             // use html part if it has been used for message (pre)viewing
             // decrease line length for quoting
             $len = $compose_mode == RCUBE_COMPOSE_REPLY ? $LINE_LENGTH-2 : $LINE_LENGTH;
-            $txt = new html2text($body, false, true, $len);
+            $txt = new rcube_html2text($body, false, true, $len);
             $body = $txt->get_text();
-        }
-        else if ($part->ctype_secondary == 'enriched') {
-            $body = rcube_enriched::to_html($body);
         }
         else {
             if ($part->ctype_secondary == 'plain' && $part->ctype_parameters['format'] == 'flowed') {
@@ -789,7 +803,7 @@
 
 function rcmail_compose_body($attrib)
 {
-  global $RCMAIL, $CONFIG, $OUTPUT, $MESSAGE, $compose_mode, $LINE_LENGTH, $HTML_MODE, $MESSAGE_BODY;
+  global $RCMAIL, $CONFIG, $OUTPUT, $MESSAGE, $compose_mode, $HTML_MODE, $MESSAGE_BODY;
 
   list($form_start, $form_end) = get_form_tags($attrib);
   unset($attrib['form']);
@@ -973,8 +987,7 @@
   if (!isset($COMPOSE['forward_attachments']) && is_array($MESSAGE->mime_parts))
     $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
 
-  $date    = format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long'));
-  $charset = $RCMAIL->output->get_charset();
+  $date = format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long'));
 
   if (!$bodyIsHtml) {
     $prefix = "\n\n\n-------- " . rcube_label('originalmessage') . " --------\n";
@@ -983,10 +996,10 @@
     $prefix .= rcube_label('from')    . ': ' . $MESSAGE->get_header('from') . "\n";
     $prefix .= rcube_label('to')      . ': ' . $MESSAGE->get_header('to') . "\n";
 
-    if ($MESSAGE->headers->cc)
-      $prefix .= rcube_label('cc') . ': ' . $MESSAGE->get_header('cc') . "\n";
-    if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from)
-      $prefix .= rcube_label('replyto') . ': ' . $MESSAGE->get_header('replyto') . "\n";
+    if ($cc = $MESSAGE->headers->get('cc'))
+      $prefix .= rcube_label('cc') . ': ' . $cc . "\n";
+    if (($replyto = $MESSAGE->headers->get('reply-to')) && $replyto != $MESSAGE->get_header('from'))
+      $prefix .= rcube_label('replyto') . ': ' . $replyto . "\n";
 
     $prefix .= "\n";
     $body = trim($body, "\r\n");
@@ -1009,15 +1022,13 @@
       rcube_label('from'), Q($MESSAGE->get_header('from'), 'replace'),
       rcube_label('to'), Q($MESSAGE->get_header('to'), 'replace'));
 
-    if ($MESSAGE->headers->cc)
+    if ($cc = $MESSAGE->headers->get('cc'))
       $prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>",
-        rcube_label('cc'),
-        Q($MESSAGE->get_header('cc'), 'replace'));
+        rcube_label('cc'), Q($cc, 'replace'));
 
-    if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from)
+    if (($replyto = $MESSAGE->headers->get('reply-to')) && $replyto != $MESSAGE->get_header('from'))
       $prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>",
-        rcube_label('replyto'),
-        Q($MESSAGE->get_header('replyto'), 'replace'));
+        rcube_label('replyto'), Q($replyto, 'replace'));
 
     $prefix .= "</tbody></table><br>";
   }
@@ -1028,7 +1039,7 @@
 
 function rcmail_create_draft_body($body, $bodyIsHtml)
 {
-  global $MESSAGE, $OUTPUT, $COMPOSE;
+  global $MESSAGE, $COMPOSE;
 
   /**
    * add attachments
@@ -1039,10 +1050,19 @@
       && count($MESSAGE->mime_parts) > 0)
   {
     $cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);
+  }
+
+  // clean up HTML tags - XSS prevention (#1489251)
+  if ($bodyIsHtml) {
+    $body = rcmail_wash_html($body, array('safe' => 1), $cid_map);
+
+    // remove comments (produced by washtml)
+    $body = preg_replace('/<!--[^>]+-->/', '', $body);
 
     // replace cid with href in inline images links
-    if ($cid_map)
+    if (!empty($cid_map)) {
       $body = str_replace(array_keys($cid_map), array_values($cid_map), $body);
+    }
   }
 
   return $body;
@@ -1075,34 +1095,51 @@
 {
   global $RCMAIL, $COMPOSE, $compose_mode;
 
-  $cid_map = $messages = array();
+  $loaded_attachments = array();
+  foreach ((array)$COMPOSE['attachments'] as $attachment) {
+      $loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;
+  }
+
+  $cid_map  = array();
+  $messages = array();
+
   foreach ((array)$message->mime_parts as $pid => $part)
   {
     if ($part->disposition == 'attachment' || ($part->disposition == 'inline' && $bodyIsHtml) || $part->filename) {
-      if ($part->ctype_primary == 'message' || $part->ctype_primary == 'multipart') {
+      // skip parts that aren't valid attachments
+      if ($part->ctype_primary == 'multipart' || $part->mimetype == 'application/ms-tnef') {
         continue;
       }
-      if ($part->mimetype == 'application/ms-tnef') {
+      // skip message attachments in reply mode
+      if ($part->ctype_primary == 'message' && $compose_mode == RCUBE_COMPOSE_REPLY) {
         continue;
       }
-      // skip inline images when forwarding in plain text
-      if ($part->content_id && !$bodyIsHtml && $compose_mode == RCUBE_COMPOSE_FORWARD) {
+      // skip inline images when forwarding in text mode
+      if ($part->content_id && $part->disposition == 'inline' && !$bodyIsHtml && $compose_mode == RCUBE_COMPOSE_FORWARD) {
         continue;
       }
 
-      $skip = false;
+      // skip message/rfc822 attachments on forwards (#1489214)
+      // Thunderbird when forwarding in inline mode displays such attachments
+      // and skips any attachments from inside of such part, this however
+      // skipped e.g. images used in HTML body or other attachments. So,
+      // better to skip .eml attachments but not their content (included files).
       if ($part->mimetype == 'message/rfc822') {
+        if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
+          continue;
+        }
         $messages[] = $part->mime_id;
-      } else if ($messages) {
+      }
+      else if ($compose_mode != RCUBE_COMPOSE_FORWARD) {
         // skip attachments included in message/rfc822 attachment (#1486487)
         foreach ($messages as $mimeid)
-          if (strpos($part->mime_id, $mimeid.'.') === 0) {
-            $skip = true;
-            break;
+          if (strpos($part->mime_id, $mimeid . '.') === 0) {
+            continue 2;
           }
       }
 
-      if (!$skip && ($attachment = rcmail_save_attachment($message, $pid))) {
+      if (($attachment = $loaded_attachments[rcmail_attachment_name($part) . $part->mimetype])
+          || ($attachment = rcmail_save_attachment($message, $pid))) {
         $COMPOSE['attachments'][$attachment['id']] = $attachment;
         if ($bodyIsHtml && ($part->content_id || $part->content_location)) {
           $url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
@@ -1154,6 +1191,11 @@
   $curr_mem  = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
   $names     = array();
 
+  $loaded_attachments = array();
+  foreach ((array)$COMPOSE['attachments'] as $attachment) {
+      $loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;
+  }
+
   if ($COMPOSE['forward_uid'] == '*') {
     $index = $storage->index(null, rcmail_sort_column(), rcmail_sort_order());
     $COMPOSE['forward_uid'] = $index->get();
@@ -1187,6 +1229,10 @@
     $name .= '.eml';
 
     $data = $path = null;
+
+    if (!empty($loaded_attachments[$name . 'message/rfc822'])) {
+      continue;
+    }
 
     // don't load too big attachments into memory
     if ($mem_limit > 0 && $message->size > $mem_limit - $curr_mem) {
@@ -1251,16 +1297,7 @@
   }
 
   $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
-  $filename = $part->filename;
-  if (!strlen($filename)) {
-    if ($mimetype == 'text/html') {
-      $filename = rcube_label('htmlmessage');
-    }
-    else {
-      $filename = 'Part_'.$pid;
-    }
-    $filename .= '.' . $part->ctype_secondary;
-  }
+  $filename = rcmail_attachment_name($part);
 
   $attachment = array(
     'group' => $COMPOSE['id'],
@@ -1290,10 +1327,11 @@
 
   // handle attachments in memory
   $data = file_get_contents($path);
+  $name = rcmail_basename($path);
 
   $attachment = array(
     'group' => $COMPOSE['id'],
-    'name' => rcmail_basename($path),
+    'name' => $name,
     'mimetype' => $mimetype ? $mimetype : rc_mime_content_type($path, $name),
     'data' => $data,
     'size' => strlen($data),
@@ -1374,8 +1412,9 @@
   if (!$attrib['id'])
     $attrib['id'] = 'rcmAttachmentList';
 
-  $out = "\n";
+  $out    = "\n";
   $jslist = array();
+  $button = '';
 
   if (is_array($COMPOSE['attachments'])) {
     if ($attrib['deleteicon']) {
@@ -1384,27 +1423,38 @@
         'alt' => rcube_label('delete')
       ));
     }
-    else
+    else if (rcube_utils::get_boolean($attrib['textbuttons'])) {
       $button = Q(rcube_label('delete'));
+    }
 
     foreach ($COMPOSE['attachments'] as $id => $a_prop) {
       if (empty($a_prop))
         continue;
 
-      $out .= html::tag('li', array('id' => 'rcmfile'.$id, 'class' => rcmail_filetype2classname($a_prop['mimetype'], $a_prop['name'])),
+      $out .= html::tag('li',
+        array(
+          'id'          => 'rcmfile'.$id,
+          'class'       => rcmail_filetype2classname($a_prop['mimetype'], $a_prop['name']),
+          'onmouseover' => "rcube_webmail.long_subject_title_ex(this, 0)",
+        ),
         html::a(array(
             'href' => "#delete",
             'title' => rcube_label('delete'),
             'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%s', this)", JS_OBJECT_NAME, $id),
-            'class' => 'delete'),
-          $button) . Q($a_prop['name']));
+            'class' => 'delete'
+          ),
+          $button
+        ) . Q($a_prop['name'])
+      );
 
-        $jslist['rcmfile'.$id] = array('name' => $a_prop['name'], 'complete' => true, 'mimetype' => $a_prop['mimetype']);
+      $jslist['rcmfile'.$id] = array('name' => $a_prop['name'], 'complete' => true, 'mimetype' => $a_prop['mimetype']);
     }
   }
 
   if ($attrib['deleteicon'])
     $COMPOSE['deleteicon'] = $CONFIG['skin_path'] . $attrib['deleteicon'];
+  else if (rcube_utils::get_boolean($attrib['textbuttons']))
+    $COMPOSE['textbuttons'] = true;
   if ($attrib['cancelicon'])
     $OUTPUT->set_env('cancelicon', $CONFIG['skin_path'] . $attrib['cancelicon']);
   if ($attrib['loadingicon'])
@@ -1431,7 +1481,7 @@
 
   $out = html::div($attrib,
     $OUTPUT->form_tag(array('id' => $attrib['id'].'Frm', 'name' => 'uploadform', 'method' => 'post', 'enctype' => 'multipart/form-data'),
-      html::div(null, rcmail_compose_attachment_field(array('size' => $attrib['attachmentfieldsize']))) .
+      html::div(null, rcmail_compose_attachment_field()) .
       html::div('hint', rcube_label(array('name' => 'maxuploadsize', 'vars' => array('size' => $max_filesize)))) .
       (get_boolean($attrib['buttons']) ? html::div('buttons',
         $button->show(rcube_label('close'), array('class' => 'button', 'onclick' => "$('#$attrib[id]').hide()")) . ' ' .
@@ -1445,7 +1495,7 @@
 }
 
 
-function rcmail_compose_attachment_field($attrib)
+function rcmail_compose_attachment_field($attrib = array())
 {
   $attrib['type'] = 'file';
   $attrib['name'] = '_attachments[]';
@@ -1471,17 +1521,17 @@
                        rcube_label('normal'),
                        rcube_label('high'),
                        rcube_label('highest')),
-                 array(5, 4, 0, 2, 1));
+                 array('5', '4', '0', '2', '1'));
 
   if (isset($_POST['_priority']))
     $sel = $_POST['_priority'];
-  else if (intval($MESSAGE->headers->priority) != 3)
-    $sel = intval($MESSAGE->headers->priority);
+  else if (isset($MESSAGE->headers->priority) && intval($MESSAGE->headers->priority) != 3)
+    $sel = $MESSAGE->headers->priority;
   else
     $sel = 0;
 
   $out = $form_start ? "$form_start\n" : '';
-  $out .= $selector->show($sel);
+  $out .= $selector->show(strval($sel));
   $out .= $form_end ? "\n$form_end" : '';
 
   return $out;
@@ -1563,7 +1613,7 @@
   $select->add(Q(rcube_label('plaintoggle')), 'plain');
 
   return $select->show($useHtml ? 'html' : 'plain');
-
+/*
   foreach ($choices as $value => $text) {
     $attrib['id'] = '_' . $value;
     $attrib['value'] = $value;
@@ -1571,6 +1621,7 @@
   }
 
   return $selector;
+*/
 }
 
 
@@ -1664,7 +1715,7 @@
             $class_name .= ' ' . $source['class_name'];
 
         $out .= sprintf($line_templ,
-            html_identifier($id),
+            html_identifier($id,true),
             $class_name,
             $source['id'],
             $js_id, (!empty($source['name']) ? $source['name'] : $id));

--
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