From 9efa95ea9b51cec0a12502455e9c27e64e3aae14 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Mon, 27 Feb 2012 07:12:41 -0500
Subject: [PATCH] Better manual upgrading instructions: rsync plugins and skins to keep manually installed stuff

---
 program/steps/mail/sendmail.inc |  395 +++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 231 insertions(+), 164 deletions(-)

diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index f94950e..826f731 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -4,9 +4,12 @@
  +-----------------------------------------------------------------------+
  | program/steps/mail/sendmail.inc                                       |
  |                                                                       |
- | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2010, RoundCube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2005-2011, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Compose a new mail message with all headers and attachments         |
@@ -24,11 +27,14 @@
 $OUTPUT->reset();
 $OUTPUT->framed = TRUE;
 
-$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
+$savedraft = !empty($_POST['_draft']) ? true : false;
+
+$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC);
+$COMPOSE    =& $_SESSION['compose_data_'.$COMPOSE_ID];
 
 /****** checks ********/
 
-if (!isset($_SESSION['compose']['id'])) {
+if (!isset($COMPOSE['id'])) {
   raise_error(array('code' => 500, 'type' => 'php',
     'file' => __FILE__, 'line' => __LINE__,
     'message' => "Invalid compose ID"), true, false);
@@ -60,8 +66,7 @@
 function rcmail_encrypt_header($what)
 {
   global $CONFIG, $RCMAIL;
-  if (!$CONFIG['http_received_header_encrypt'])
-  {
+  if (!$CONFIG['http_received_header_encrypt']) {
     return $what;
   }
   return $RCMAIL->encrypt($what);
@@ -69,29 +74,20 @@
 
 // get identity record
 function rcmail_get_identity($id)
-  {
-  global $USER, $OUTPUT;
-  
-  if ($sql_arr = $USER->get_identity($id))
-    {
+{
+  global $RCMAIL, $OUTPUT;
+
+  if ($sql_arr = $RCMAIL->user->get_identity($id)) {
     $out = $sql_arr;
     $out['mailto'] = $sql_arr['email'];
-    
-    // Special chars as defined by RFC 822 need to in quoted string (or escaped).
-    if (preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $sql_arr['name']))
-      $name = '"' . addcslashes($sql_arr['name'], '"') . '"';
-    else
-      $name = $sql_arr['name'];
-
-    $out['string'] = rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset());
-    if ($sql_arr['email'])
-      $out['string'] .= ' <' . $sql_arr['email'] . '>';
+    $out['string'] = format_email_recipient($sql_arr['email'],
+      rcube_charset_convert($sql_arr['name'], RCMAIL_CHARSET, $OUTPUT->get_charset()));
 
     return $out;
-    }
-
-  return FALSE;  
   }
+
+  return FALSE;
+}
 
 /**
  * go from this:
@@ -110,7 +106,7 @@
 
   // remove any null-byte characters before parsing
   $body = preg_replace('/\x00/', '', $body);
-  
+
   $searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
   $offset = 0;
 
@@ -145,41 +141,47 @@
   return $body;
 }
 
-// parse email address input (and count addresses)
-function rcmail_email_input_format($mailto, $count=false)
+/**
+ * Parse and cleanup email address input (and count addresses)
+ *
+ * @param string  Address input
+ * @param boolean Do count recipients (saved in global $RECIPIENT_COUNT)
+ * @param boolean Validate addresses (errors saved in global $EMAIL_FORMAT_ERROR)
+ * @return string Canonical recipients string separated by comma
+ */
+function rcmail_email_input_format($mailto, $count=false, $check=true)
 {
-  global $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
+  global $RCMAIL, $EMAIL_FORMAT_ERROR, $RECIPIENT_COUNT;
 
-  $regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/', '/(\S{1})(<\S+@\S+>)/U');
-  $replace = array(', ', ', ', '', ',', '\\1 \\2');
+  // simplified email regexp, supporting quoted local part
+  $email_regexp = '(\S+|("[^"]+"))@\S+';
+
+  $delim = trim($RCMAIL->config->get('recipients_separator', ','));
+  $regexp  = array("/[,;$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[,;$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
+  $replace = array($delim.' ', ', ', '', $delim, '\\1 \\2');
 
   // replace new lines and strip ending ', ', make address input more valid
   $mailto = trim(preg_replace($regexp, $replace, $mailto));
 
   $result = array();
-  $items = rcube_explode_quoted_string(',', $mailto);
+  $items = rcube_explode_quoted_string($delim, $mailto);
 
   foreach($items as $item) {
     $item = trim($item);
     // address in brackets without name (do nothing)
-    if (preg_match('/^<\S+@\S+>$/', $item)) {
-      $result[] = $item;
+    if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
+      $item = rcube_idn_to_ascii(trim($item, '<>'));
+      $result[] = '<' . $item . '>';
     // address without brackets and without name (add brackets)
-    } else if (preg_match('/^\S+@\S+$/', $item)) {
-      $result[] = '<'.$item.'>';
+    } else if (preg_match('/^'.$email_regexp.'$/', $item)) {
+      $item = rcube_idn_to_ascii($item);
+      $result[] = '<' . $item . '>';
     // address with name (handle name)
-    } else if (preg_match('/\S+@\S+>*$/', $item, $matches)) {
+    } else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
       $address = $matches[0];
-      $name = str_replace($address, '', $item);
-      $name = trim($name);
-      if ($name && ($name[0] != '"' || $name[strlen($name)-1] != '"')
-          && preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) {
-	  $name = '"'.addcslashes($name, '"').'"';
-      }
-      if (!preg_match('/^<\S+@\S+>$/', $address))
-        $address = '<'.$address.'>';
-
-      $result[] = $name.' '.$address;
+      $name = trim(str_replace($address, '', $item), '" ');
+      $address = rcube_idn_to_ascii(trim($address, '<>'));
+      $result[] = format_email_recipient($address, $name);
       $item = $address;
     } else if (trim($item)) {
       continue;
@@ -187,7 +189,7 @@
 
     // check address format
     $item = trim($item, '<>');
-    if ($item && !check_email($item)) {
+    if ($item && $check && !check_email($item)) {
       $EMAIL_FORMAT_ERROR = $item;
       return;
     }
@@ -200,12 +202,13 @@
   return implode(', ', $result);
 }
 
+
 /****** compose message ********/
 
 if (strlen($_POST['_draft_saveid']) > 3)
   $olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
 
-$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host']));
+$message_id = rcmail_gen_message_id();
 
 // set default charset
 $input_charset = $OUTPUT->get_charset();
@@ -219,7 +222,7 @@
 $mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset), true);
 
 if ($EMAIL_FORMAT_ERROR) {
-  $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR)); 
+  $OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
   $OUTPUT->send('iframe');
 }
 
@@ -230,18 +233,30 @@
 else if (empty($mailto))
   $mailto = 'undisclosed-recipients:;';
 
-// get sender name and address
+// Get sender name and address...
 $from = get_input_value('_from', RCUBE_INPUT_POST, true, $message_charset);
-$identity_arr = rcmail_get_identity($from);
+// ... from identity...
+if (is_numeric($from)) {
+  if (is_array($identity_arr = rcmail_get_identity($from))) {
+    if ($identity_arr['mailto'])
+      $from = $identity_arr['mailto'];
+    if ($identity_arr['string'])
+      $from_string = $identity_arr['string'];
+  }
+  else {
+    $from = null;
+  }
+}
+// ... if there is no identity record, this might be a custom from
+else if ($from_string = rcmail_email_input_format($from)) {
+  if (preg_match('/(\S+@\S+)/', $from_string, $m))
+    $from = trim($m[1], '<>');
+  else
+    $from = null;
+}
 
-if (!$identity_arr && ($from = rcmail_email_input_format($from))) {
-  if (preg_match('/(\S+@\S+)/', $from, $m))
-    $identity_arr['mailto'] = $m[1];
-} else
-  $from = $identity_arr['mailto'];
-
-if (empty($identity_arr['string']))
-  $identity_arr['string'] = $from;
+if (!$from_string && $from)
+  $from_string = $from;
 
 // compose headers array
 $headers = array();
@@ -287,17 +302,17 @@
   $headers['Received'] = $http_header;
 }
 
-$headers['Date'] = date('r');
-$headers['From'] = rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset);
+$headers['Date'] = rcmail_user_date();
+$headers['From'] = rcube_charset_convert($from_string, RCMAIL_CHARSET, $message_charset);
 $headers['To'] = $mailto;
 
 // additional recipients
-if (!empty($mailcc))
+if (!empty($mailcc)) {
   $headers['Cc'] = $mailcc;
-
-if (!empty($mailbcc))
+}
+if (!empty($mailbcc)) {
   $headers['Bcc'] = $mailbcc;
-  
+}
 if (!empty($identity_arr['bcc'])) {
   $headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
   $RECIPIENT_COUNT ++;
@@ -313,52 +328,63 @@
 // add subject
 $headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset));
 
-if (!empty($identity_arr['organization']))
+if (!empty($identity_arr['organization'])) {
   $headers['Organization'] = $identity_arr['organization'];
-
-if (!empty($_POST['_replyto']))
+}
+if (!empty($_POST['_replyto'])) {
   $headers['Reply-To'] = rcmail_email_input_format(get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
-else if (!empty($identity_arr['reply-to']))
-  $headers['Reply-To'] = $identity_arr['reply-to'];
+}
+else if (!empty($identity_arr['reply-to'])) {
+  $headers['Reply-To'] = rcmail_email_input_format($identity_arr['reply-to'], false, true);
+}
+if (!empty($headers['Reply-To'])) {
+  $headers['Mail-Reply-To'] = $headers['Reply-To'];
+}
+if (!empty($_POST['_followupto'])) {
+  $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
+}
+if (!empty($COMPOSE['reply_msgid'])) {
+  $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
+}
 
-if (!empty($_SESSION['compose']['reply_msgid']))
-  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
-  
 // remember reply/forward UIDs in special headers
-if (!empty($_SESSION['compose']['reply_uid']) && $savedraft)
-  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $_SESSION['compose']['reply_uid']);
-else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft)
-  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $_SESSION['compose']['forward_uid']);
+if (!empty($COMPOSE['reply_uid']) && $savedraft) {
+  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']);
+}
+else if (!empty($COMPOSE['forward_uid']) && $savedraft) {
+  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']);
+}
 
-if (!empty($_SESSION['compose']['references']))
-  $headers['References'] = $_SESSION['compose']['references'];
+if (!empty($COMPOSE['references'])) {
+  $headers['References'] = $COMPOSE['references'];
+}
 
-if (!empty($_POST['_priority']))
-  {
+if (!empty($_POST['_priority'])) {
   $priority = intval($_POST['_priority']);
   $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
-  if ($str_priority = $a_priorities[$priority])
+  if ($str_priority = $a_priorities[$priority]) {
     $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
   }
+}
 
-if (!empty($_POST['_receipt']))
-  {
-  $headers['Return-Receipt-To'] = $identity_arr['string'];
-  $headers['Disposition-Notification-To'] = $identity_arr['string'];
-  }
+if (!empty($_POST['_receipt'])) {
+  $headers['Return-Receipt-To'] = $from_string;
+  $headers['Disposition-Notification-To'] = $from_string;
+}
 
 // additional headers
 $headers['Message-ID'] = $message_id;
 $headers['X-Sender'] = $from;
 
-if (is_array($headers['X-Draft-Info']))
-  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $_SESSION['compose']['mailbox']));
-
-if (!empty($CONFIG['useragent']))
+if (is_array($headers['X-Draft-Info'])) {
+  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
+}
+if (!empty($CONFIG['useragent'])) {
   $headers['User-Agent'] = $CONFIG['useragent'];
+}
 
 // exec hook for header checking and manipulation
-$data = $RCMAIL->plugins->exec_hook('outgoing_message_headers', array('headers' => $headers));
+$data = $RCMAIL->plugins->exec_hook('message_outgoing_headers', array('headers' => $headers));
 
 // sending aborted by plugin
 if ($data['abort'] && !$savedraft) {
@@ -374,6 +400,15 @@
 // fetch message body
 $message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
 
+if ($isHtml) {
+  $font   = rcube_fontdefs($RCMAIL->config->get('default_font', 'Verdana'));
+  $bstyle = $font && is_string($font) ? " style='font-family: $font'" : '';
+
+  // append doctype and html/body wrappers
+  $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' .
+    "\r\n<html><body$bstyle>\r\n" . $message_body;
+}
+
 if (!$savedraft) {
   if ($isHtml) {
     // remove signature's div ID
@@ -382,7 +417,24 @@
     // add inline css for blockquotes
     $bstyle = 'padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%';
     $message_body = preg_replace('/<blockquote>/',
-	'<blockquote type="cite" style="'.$bstyle.'">', $message_body);
+      '<blockquote type="cite" style="'.$bstyle.'">', $message_body);
+  }
+
+  // Check spelling before send
+  if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
+    && empty($COMPOSE['spell_checked']) && !empty($message_body)
+  ) {
+    $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
+    $spell_result = $spellchecker->check($message_body, $isHtml);
+
+    $COMPOSE['spell_checked'] = true;
+
+    if (!$spell_result) {
+      $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
+      $OUTPUT->show_message('mispellingsfound', 'error');
+      $OUTPUT->command('spellcheck_resume', $isHtml, $result);
+      $OUTPUT->send('iframe');
+    }
   }
 
   // generic footer for all messages
@@ -396,8 +448,13 @@
     if ($isHtml)
       $footer = '<pre>'.$footer.'</pre>';
   }
+
   if ($footer)
     $message_body .= "\r\n" . $footer;
+}
+
+if ($isHtml) {
+  $message_body .= "\r\n</body></html>\r\n";
 }
 
 // set line length for body wrapping
@@ -411,12 +468,12 @@
 
 // Check if we have enough memory to handle the message in it
 // It's faster than using files, so we'll do this if we only can
-if (is_array($_SESSION['compose']['attachments']) && $CONFIG['smtp_server']
+if (is_array($COMPOSE['attachments']) && $CONFIG['smtp_server']
   && ($mem_limit = parse_bytes(ini_get('memory_limit'))))
 {
   $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
 
-  foreach ($_SESSION['compose']['attachments'] as $id => $attachment)
+  foreach ($COMPOSE['attachments'] as $id => $attachment)
     $memory += $attachment['size'];
 
   // Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
@@ -428,25 +485,28 @@
 // the HTML part and the plain-text part
 
 if ($isHtml) {
-  $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body',
+  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
     array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
 
   $MAIL_MIME->setHTMLBody($plugin['body']);
+
+  // replace emoticons
+  $plugin['body'] = rcmail_replace_emoticons($plugin['body']);
 
   // add a plain text version of the e-mail as an alternative part.
   $h2t = new html2text($plugin['body'], false, true, 0);
   $plainTextPart = rc_wordwrap($h2t->get_text(), $LINE_LENGTH, "\r\n");
   $plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
   if (!$plainTextPart) {
-    // empty message body breaks attachment handling in drafts 
-    $plainTextPart = "\r\n"; 
+    // empty message body breaks attachment handling in drafts
+    $plainTextPart = "\r\n";
   }
   else {
     // make sure all line endings are CRLF (#1486712)
     $plainTextPart = preg_replace('/\r?\n/', "\r\n", $plainTextPart);
   }
 
-  $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body',
+  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
     array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
 
   $MAIL_MIME->setTXTBody($plugin['body']);
@@ -456,14 +516,14 @@
   $message_body = rcmail_fix_emoticon_paths($MAIL_MIME);
 }
 else {
-  $plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body',
+  $plugin = $RCMAIL->plugins->exec_hook('message_outgoing_body',
     array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
 
   $message_body = $plugin['body'];
 
-  // compose format=flowed content if enabled and not a reply message
-  if (empty($_SESSION['compose']['reply_msgid']) && ($flowed = $RCMAIL->config->get('send_format_flowed', true)))
-    $message_body = rcube_message::format_flowed($message_body, $LINE_LENGTH);
+  // compose format=flowed content if enabled
+  if ($flowed = $RCMAIL->config->get('send_format_flowed', true))
+    $message_body = rcube_mime::format_flowed($message_body, min($LINE_LENGTH+2, 79));
   else
     $message_body = rc_wordwrap($message_body, $LINE_LENGTH, "\r\n");
 
@@ -477,11 +537,11 @@
 }
 
 // add stored attachments, if any
-if (is_array($_SESSION['compose']['attachments']))
+if (is_array($COMPOSE['attachments']))
 {
-  foreach ($_SESSION['compose']['attachments'] as $id => $attachment) {
+  foreach ($COMPOSE['attachments'] as $id => $attachment) {
     // This hook retrieves the attachment contents from the file storage backend
-    $attachment = $RCMAIL->plugins->exec_hook('get_attachment', $attachment);
+    $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
 
     $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]*/';
     $message_body = $MAIL_MIME->getHTMLBody();
@@ -500,14 +560,15 @@
 
       // .eml attachments send inline
       $MAIL_MIME->addAttachment($file,
-        $ctype, 
+        $ctype,
         $attachment['name'],
         ($attachment['data'] ? false : true),
         ($ctype == 'message/rfc822' ? '8bit' : 'base64'),
         ($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
-        $message_charset, '', '', 
+        '', '', '',
         $CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
-        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
+        $CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL,
+        '', RCMAIL_CHARSET
       );
     }
   }
@@ -528,8 +589,7 @@
 $MAIL_MIME->setParam('text_charset', $message_charset . ($flowed ? ";\r\n format=flowed" : ''));
 
 // encoding subject header with mb_encode provides better results with asian characters
-if (function_exists('mb_encode_mimeheader'))
-{
+if (function_exists('mb_encode_mimeheader')) {
   mb_internal_encoding($message_charset);
   $headers['Subject'] = mb_encode_mimeheader($headers['Subject'],
     $message_charset, 'Q', "\r\n", 8);
@@ -539,16 +599,22 @@
 // pass headers to message object
 $MAIL_MIME->headers($headers);
 
-// Begin SMTP Delivery Block 
+// Begin SMTP Delivery Block
 if (!$savedraft)
 {
-  // check for 'From' address (identity may be incomplete)
-  if ($identity_arr && !$identity_arr['mailto']) {
+  // check 'From' address (identity may be incomplete)
+  if (empty($from)) {
     $OUTPUT->show_message('nofromaddress', 'error');
-    $OUTPUT->send('iframe'); 
+    $OUTPUT->send('iframe');
   }
 
-  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto, $smtp_error, $mailbody_file);
+  // Handle Delivery Status Notification request
+  if (!empty($_POST['_dsn'])) {
+    $smtp_opts['dsn'] = true;
+  }
+
+  $sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto,
+    $smtp_error, $mailbody_file, $smtp_opts);
 
   // return to compose page if sending failed
   if (!$sent)
@@ -568,12 +634,12 @@
   // save message sent time
   if (!empty($CONFIG['sendmail_delay']))
     $RCMAIL->user->save_prefs(array('last_message_time' => time()));
-  
+
   // set replied/forwarded flag
-  if ($_SESSION['compose']['reply_uid'])
-    $IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED', $_SESSION['compose']['mailbox']);
-  else if ($_SESSION['compose']['forward_uid'])
-    $IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED', $_SESSION['compose']['mailbox']);
+  if ($COMPOSE['reply_uid'])
+    $RCMAIL->storage->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']);
+  else if ($COMPOSE['forward_uid'])
+    $RCMAIL->storage->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']);
 
 } // End of SMTP Delivery Block
 
@@ -581,27 +647,25 @@
 // Determine which folder to save message
 if ($savedraft)
   $store_target = $CONFIG['drafts_mbox'];
-else	
+else
   $store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
 
-if ($store_target)
-  {
+if ($store_target) {
   // check if folder is subscribed
-  if ($IMAP->mailbox_exists($store_target, true))
+  if ($RCMAIL->storage->folder_exists($store_target, true))
     $store_folder = true;
   // folder may be existing but not subscribed (#1485241)
-  else if (!$IMAP->mailbox_exists($store_target))
-    $store_folder = $IMAP->create_mailbox($store_target, true);
-  else if ($IMAP->subscribe($store_target))
+  else if (!$RCMAIL->storage->folder_exists($store_target))
+    $store_folder = $RCMAIL->storage->create_folder($store_target, true);
+  else if ($RCMAIL->storage->subscribe($store_target))
     $store_folder = true;
 
   // append message to sent box
   if ($store_folder) {
-
     // message body in file
     if ($mailbody_file || $MAIL_MIME->getParam('delay_file_io')) {
       $headers = $MAIL_MIME->txtHeaders();
-      
+
       // file already created
       if ($mailbody_file)
         $msg = $mailbody_file;
@@ -610,70 +674,76 @@
         $mailbody_file = tempnam($temp_dir, 'rcmMsg');
         if (!PEAR::isError($msg = $MAIL_MIME->saveMessageBody($mailbody_file)))
           $msg = $mailbody_file;
-        }
       }
+    }
     else {
       $msg = $MAIL_MIME->getMessage();
       $headers = '';
-      }
+    }
 
     if (PEAR::isError($msg))
-      raise_error(array('code' => 600, 'type' => 'php',
+      raise_error(array('code' => 650, 'type' => 'php',
 	    'file' => __FILE__, 'line' => __LINE__,
             'message' => "Could not create message: ".$msg->getMessage()),
             TRUE, FALSE);
     else {
-      $saved = $IMAP->save_message($store_target, $msg, $headers, $mailbody_file ? true : false);
-      }
+      $saved = $RCMAIL->storage->save_message($store_target, $msg, $headers, $mailbody_file ? true : false);
+    }
 
     if ($mailbody_file) {
       unlink($mailbody_file);
       $mailbody_file = null;
-      }
+    }
 
     // raise error if saving failed
     if (!$saved) {
       raise_error(array('code' => 800, 'type' => 'imap',
 	    'file' => __FILE__, 'line' => __LINE__,
             'message' => "Could not save message in $store_target"), TRUE, FALSE);
-    
+
       if ($savedraft) {
         $OUTPUT->show_message('errorsaving', 'error');
         $OUTPUT->send('iframe');
-        }
       }
     }
+  }
 
-  if ($olddraftmessageid)
-    {
+  if ($olddraftmessageid) {
     // delete previous saved draft
-    $a_deleteid = $IMAP->search_once($CONFIG['drafts_mbox'],
-        'HEADER Message-ID '.$olddraftmessageid, true);
-    $deleted = $IMAP->delete_message($a_deleteid, $CONFIG['drafts_mbox']);
+    // @TODO: use message UID (remember to check UIDVALIDITY) to skip this SEARCH
+    $delete_idx = $RCMAIL->storage->search_once($CONFIG['drafts_mbox'],
+        'HEADER Message-ID '.$olddraftmessageid);
 
-    // raise error if deletion of old draft failed
-    if (!$deleted)
-      raise_error(array('code' => 800, 'type' => 'imap',
-    		'file' => __FILE__, 'line' => __LINE__,
-                'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
+    if ($del_uid = $delete_idx->get_element('FIRST')) {
+      $deleted = $RCMAIL->storage->delete_message($del_uid, $CONFIG['drafts_mbox']);
+
+      // raise error if deletion of old draft failed
+      if (!$deleted)
+        raise_error(array('code' => 800, 'type' => 'imap',
+          'file' => __FILE__, 'line' => __LINE__,
+          'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
     }
   }
+}
 // remove temp file
 else if ($mailbody_file) {
   unlink($mailbody_file);
-  }
+}
 
 
-if ($savedraft)
-  {
+if ($savedraft) {
   $msgid = strtr($message_id, array('>' => '', '<' => ''));
-  
-  // remember new draft-uid
-  $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true);
-  $_SESSION['compose']['param']['_draft_uid'] = $draftuids[0];
+
+  // remember new draft-uid ($saved could be an UID or TRUE here)
+  if (is_bool($saved)) {
+    $draft_idx = $RCMAIL->storage->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid);
+    $saved     = $draft_idx->get_element('FIRST');
+  }
+  $COMPOSE['param']['draft_uid'] = $saved;
+  $plugin = $RCMAIL->plugins->exec_hook('message_draftsaved', array('msgid' => $msgid, 'uid' => $saved, 'folder' => $store_target));
 
   // display success
-  $OUTPUT->show_message('messagesaved', 'confirmation');
+  $OUTPUT->show_message($plugin['message'] ? $plugin['message'] : 'messagesaved', 'confirmation');
 
   // update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
   $OUTPUT->command('set_draft_id', $msgid);
@@ -683,16 +753,13 @@
   $OUTPUT->command('auto_save_start');
 
   $OUTPUT->send('iframe');
-  }
-else
-  {
-  rcmail_compose_cleanup();
+}
+else {
+  rcmail_compose_cleanup($COMPOSE_ID);
 
   if ($store_folder && !$saved)
     $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
   else
     $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
   $OUTPUT->send('iframe');
-  }
-
-?>
+}

--
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