- Simplified compose session data handling, no need for session->cleanup()

alecpl

2011-12-01 72ff6ae884dcd00d407354bb9d05418dbf256174

- Simplified compose session data handling, no need for session->cleanup()

 program/include/rcmail.php

@@ -1228,7 +1228,6 @@

    // before closing the database connection, write session data
    if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
      $this->session->cleanup();
      session_write_close();
    }


 program/include/rcube_session.php

@@ -325,19 +325,6 @@


  /**
   * Cleanup session data before saving
   */
  public function cleanup()
  {
    // current compose information is stored in $_SESSION['compose'], move it to $_SESSION['compose_data_<ID>']
    if ($compose_id = $_SESSION['compose']['id']) {
      $_SESSION['compose_data_'.$compose_id] = $_SESSION['compose'];
      $this->remove('compose');
    }
  }


  /**
   * Register additional garbage collector functions
   *
   * @param mixed Callback function

 program/steps/mail/compose.inc

@@ -25,23 +25,26 @@
define('RCUBE_COMPOSE_DRAFT', 0x0108);
define('RCUBE_COMPOSE_EDIT', 0x0109);

$MESSAGE_FORM = NULL;
$MESSAGE = NULL;

$MESSAGE_FORM = null;
$MESSAGE      = null;
$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GET);
$_SESSION['compose'] = $_SESSION['compose_data_'.$COMPOSE_ID];
$COMPOSE      = null;

if ($COMPOSE_ID && $_SESSION['compose_data_'.$COMPOSE_ID])
  $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];

// give replicated session storage some time to synchronize
$retries = 0;
while ($COMPOSE_ID && !is_array($_SESSION['compose']) && $RCMAIL->db->is_replicated() && $retries++ < 5) {
while ($COMPOSE_ID && !is_array($COMPOSE) && $RCMAIL->db->is_replicated() && $retries++ < 5) {
  usleep(500000);
  $RCMAIL->session->reload();
  $_SESSION['compose'] = $_SESSION['compose_data_'.$COMPOSE_ID];
  if ($_SESSION['compose_data_'.$COMPOSE_ID])
    $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
}

// Nothing below is called during message composition, only at "new/forward/reply/draft" initialization or
// if a compose-ID is given (i.e. when the compose step is opened in a new window/tab).
if (!is_array($_SESSION['compose']))
if (!is_array($COMPOSE))
{
  // Infinite redirect prevention in case of broken session (#1487028)
  if ($COMPOSE_ID)
@@ -49,31 +52,33 @@
      'file' => __FILE__, 'line' => __LINE__,
      'message' => "Invalid compose ID"), true, true);

  $_SESSION['compose'] = array(
    'id' => uniqid(mt_rand()),
  $COMPOSE_ID = uniqid(mt_rand());
  $_SESSION['compose_data_'.$COMPOSE_ID] = array(
    'id'      => $COMPOSE_ID,
    'param' => request2param(RCUBE_INPUT_GET),
    'mailbox' => $IMAP->get_mailbox_name(),
  );
  $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];

  // process values like "mailto:foo@bar.com?subject=new+message&cc=another"
  if ($_SESSION['compose']['param']['to']) {
  if ($COMPOSE['param']['to']) {
    // #1486037: remove "mailto:" prefix
    $_SESSION['compose']['param']['to'] = preg_replace('/^mailto:/i', '', $_SESSION['compose']['param']['to']);
    $mailto = explode('?', $_SESSION['compose']['param']['to']);
    $COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $COMPOSE['param']['to']);
    $mailto = explode('?', $COMPOSE['param']['to']);
    if (count($mailto) > 1) {
      $_SESSION['compose']['param']['to'] = $mailto[0];
      $COMPOSE['param']['to'] = $mailto[0];
      parse_str($mailto[1], $query);
      foreach ($query as $f => $val)
        $_SESSION['compose']['param'][$f] = $val;
        $COMPOSE['param'][$f] = $val;
    }
  }

  // select folder where to save the sent message
  $_SESSION['compose']['param']['sent_mbox'] = $RCMAIL->config->get('sent_mbox');
  $COMPOSE['param']['sent_mbox'] = $RCMAIL->config->get('sent_mbox');

  // pipe compose parameters thru plugins
  $plugin = $RCMAIL->plugins->exec_hook('message_compose', $_SESSION['compose']);
  $_SESSION['compose']['param'] = array_merge($_SESSION['compose']['param'], $plugin['param']);
  $plugin = $RCMAIL->plugins->exec_hook('message_compose', $COMPOSE);
  $COMPOSE['param'] = array_merge($COMPOSE['param'], $plugin['param']);

  // add attachments listed by message_compose hook
  if (is_array($plugin['attachments'])) {
@@ -100,18 +105,18 @@

      if ($attachment['status'] && !$attachment['abort']) {
        unset($attachment['data'], $attachment['status'], $attachment['abort']);
        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
        $COMPOSE['attachments'][$attachment['id']] = $attachment;
      }
    }
  }

  // check if folder for saving sent messages exists and is subscribed (#1486802)
  if ($sent_folder = $_SESSION['compose']['param']['sent_mbox']) {
  if ($sent_folder = $COMPOSE['param']['sent_mbox']) {
    rcmail_check_sent_folder($sent_folder, true);
  }

  // redirect to a unique URL with all parameters stored in session
  $OUTPUT->redirect(array('_action' => 'compose', '_id' => $_SESSION['compose']['id']));
  $OUTPUT->redirect(array('_action' => 'compose', '_id' => $COMPOSE['id']));
}


@@ -121,7 +126,7 @@
    'messagesaved', 'converting', 'editorwarning', 'searching', 'uploading', 'uploadingmany',
    'fileuploaderror');

$OUTPUT->set_env('compose_id', $COMPOSE_ID);
$OUTPUT->set_env('compose_id', $COMPOSE['id']);

// add config parameters to client script
if (!empty($CONFIG['drafts_mbox'])) {
@@ -135,15 +140,15 @@
$OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));

// get reference message and set compose mode
if ($msg_uid = $_SESSION['compose']['param']['draft_uid']) {
if ($msg_uid = $COMPOSE['param']['draft_uid']) {
  $RCMAIL->imap->set_mailbox($CONFIG['drafts_mbox']);
  $compose_mode = RCUBE_COMPOSE_DRAFT;
}
else if ($msg_uid = $_SESSION['compose']['param']['reply_uid'])
else if ($msg_uid = $COMPOSE['param']['reply_uid'])
  $compose_mode = RCUBE_COMPOSE_REPLY;
else if ($msg_uid = $_SESSION['compose']['param']['forward_uid'])
else if ($msg_uid = $COMPOSE['param']['forward_uid'])
  $compose_mode = RCUBE_COMPOSE_FORWARD;
else if ($msg_uid = $_SESSION['compose']['param']['uid'])
else if ($msg_uid = $COMPOSE['param']['uid'])
  $compose_mode = RCUBE_COMPOSE_EDIT;

$config_show_sig = $RCMAIL->config->get('show_sig', 1);
@@ -175,20 +180,20 @@

  if ($compose_mode == RCUBE_COMPOSE_REPLY)
  {
    $_SESSION['compose']['reply_uid'] = $msg_uid;
    $_SESSION['compose']['reply_msgid'] = $MESSAGE->headers->messageID;
    $_SESSION['compose']['references']  = trim($MESSAGE->headers->references . " " . $MESSAGE->headers->messageID);
    $COMPOSE['reply_uid'] = $msg_uid;
    $COMPOSE['reply_msgid'] = $MESSAGE->headers->messageID;
    $COMPOSE['references']  = trim($MESSAGE->headers->references . " " . $MESSAGE->headers->messageID);

    if (!empty($_SESSION['compose']['param']['all']))
      $MESSAGE->reply_all = $_SESSION['compose']['param']['all'];
    if (!empty($COMPOSE['param']['all']))
      $MESSAGE->reply_all = $COMPOSE['param']['all'];

    $OUTPUT->set_env('compose_mode', 'reply');

    // Save the sent message in the same folder of the message being replied to
    if ($RCMAIL->config->get('reply_same_folder') && ($sent_folder = $_SESSION['compose']['mailbox'])
    if ($RCMAIL->config->get('reply_same_folder') && ($sent_folder = $COMPOSE['mailbox'])
      && rcmail_check_sent_folder($sent_folder, false)
    ) {
      $_SESSION['compose']['param']['sent_mbox'] = $sent_folder;
      $COMPOSE['param']['sent_mbox'] = $sent_folder;
    }
  }
  else if ($compose_mode == RCUBE_COMPOSE_DRAFT)
@@ -199,31 +204,31 @@
      $info = rcmail_draftinfo_decode($MESSAGE->headers->others['x-draft-info']);

      if ($info['type'] == 'reply')
        $_SESSION['compose']['reply_uid'] = $info['uid'];
        $COMPOSE['reply_uid'] = $info['uid'];
      else if ($info['type'] == 'forward')
        $_SESSION['compose']['forward_uid'] = $info['uid'];
        $COMPOSE['forward_uid'] = $info['uid'];

      $_SESSION['compose']['mailbox'] = $info['folder'];
      $COMPOSE['mailbox'] = $info['folder'];

      // Save the sent message in the same folder of the message being replied to
      if ($RCMAIL->config->get('reply_same_folder') && ($sent_folder = $info['folder'])
        && rcmail_check_sent_folder($sent_folder, false)
      ) {
        $_SESSION['compose']['param']['sent_mbox'] = $sent_folder;
        $COMPOSE['param']['sent_mbox'] = $sent_folder;
      }
    }

    if ($MESSAGE->headers->in_reply_to)
      $_SESSION['compose']['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';
      $COMPOSE['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';

    $_SESSION['compose']['references']  = $MESSAGE->headers->references;
    $COMPOSE['references']  = $MESSAGE->headers->references;
  }
  else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
  {
    $_SESSION['compose']['forward_uid'] = $msg_uid;
    $COMPOSE['forward_uid'] = $msg_uid;
    $OUTPUT->set_env('compose_mode', 'forward');

    if (!empty($_SESSION['compose']['param']['attachment']))
    if (!empty($COMPOSE['param']['attachment']))
      $MESSAGE->forward_attachment = true;
  }
}
@@ -247,8 +252,8 @@
if (!empty($_POST['_from'])) {
  $MESSAGE->compose['from'] = get_input_value('_from', RCUBE_INPUT_POST);
}
else if (!empty($_SESSION['compose']['param']['from'])) {
  $MESSAGE->compose['from'] = $_SESSION['compose']['param']['from'];
else if (!empty($COMPOSE['param']['from'])) {
  $MESSAGE->compose['from'] = $COMPOSE['param']['from'];
}
else if (count($MESSAGE->identities)) {
  $a_recipients = array();
@@ -340,17 +345,17 @@
  $decode_header = true;

  // we have a set of recipients stored is session
  if ($header == 'to' && ($mailto_id = $_SESSION['compose']['param']['mailto'])
      && $_SESSION['mailto'][$mailto_id]
  if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
      && $COMPOSE[$mailto_id]
  ) {
    $fvalue = urldecode($_SESSION['mailto'][$mailto_id]);
    $fvalue = urldecode($COMPOSE[$mailto_id]);
    $decode_header = false;
  }
  else if (!empty($_POST['_'.$header])) {
    $fvalue = get_input_value('_'.$header, RCUBE_INPUT_POST, TRUE);
  }
  else if (!empty($_SESSION['compose']['param'][$header])) {
    $fvalue = $_SESSION['compose']['param'][$header];
  else if (!empty($COMPOSE['param'][$header])) {
    $fvalue = $COMPOSE['param'][$header];
  }
  else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
    // get recipent address(es) out of the message headers
@@ -530,7 +535,7 @@
      $select_from->add(format_email_recipient($sql_arr['email'], $sql_arr['name']), $identity_id);

      // add signature to array
      if (!empty($sql_arr['signature']) && empty($_SESSION['compose']['param']['nosig']))
      if (!empty($sql_arr['signature']) && empty($COMPOSE['param']['nosig']))
      {
        $a_signatures[$identity_id]['text'] = $sql_arr['signature'];
        $a_signatures[$identity_id]['is_html'] = ($sql_arr['html_signature'] == 1) ? true : false;
@@ -584,22 +589,22 @@

function rcmail_prepare_message_body()
{
  global $RCMAIL, $MESSAGE, $compose_mode, $LINE_LENGTH, $HTML_MODE;
  global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $LINE_LENGTH, $HTML_MODE;

  // use posted message body
  if (!empty($_POST['_message'])) {
    $body = get_input_value('_message', RCUBE_INPUT_POST, true);
    $isHtml = (bool) get_input_value('_is_html', RCUBE_INPUT_POST);
  }
  else if ($_SESSION['compose']['param']['body']) {
    $body = $_SESSION['compose']['param']['body'];
  else if ($COMPOSE['param']['body']) {
    $body = $COMPOSE['param']['body'];
    $isHtml = false;
  }
  // forward as attachment
  else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $MESSAGE->forward_attachment) {
    $isHtml = rcmail_compose_editor_mode();
    $body = '';
    if (empty($_SESSION['compose']['attachments']))
    if (empty($COMPOSE['attachments']))
      rcmail_write_forward_attachment($MESSAGE);
  }
  // reply/edit/draft/forward
@@ -662,9 +667,9 @@
  // add blocked.gif attachment (#1486516)
  if ($isHtml && preg_match('#<img src="\./program/blocked\.gif"#', $body)) {
    if ($attachment = rcmail_save_image('program/blocked.gif', 'image/gif')) {
      $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
      $COMPOSE['attachments'][$attachment['id']] = $attachment;
      $body = preg_replace('#\./program/blocked\.gif#',
        $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$_SESSION['compose']['id'],
        $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$COMPOSE['id'],
        $body);
    }
  }
@@ -848,10 +853,10 @@

function rcmail_create_forward_body($body, $bodyIsHtml)
{
  global $RCMAIL, $MESSAGE;
  global $RCMAIL, $MESSAGE, $COMPOSE;

  // add attachments
  if (!isset($_SESSION['compose']['forward_attachments']) && is_array($MESSAGE->mime_parts))
  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'));
@@ -910,13 +915,13 @@

function rcmail_create_draft_body($body, $bodyIsHtml)
{
  global $MESSAGE, $OUTPUT;
  global $MESSAGE, $OUTPUT, $COMPOSE;

  /**
   * add attachments
   * sizeof($MESSAGE->mime_parts can be 1 - e.g. attachment, but no text!
   */
  if (empty($_SESSION['compose']['forward_attachments'])
  if (empty($COMPOSE['forward_attachments'])
      && is_array($MESSAGE->mime_parts)
      && count($MESSAGE->mime_parts) > 0)
  {
@@ -954,7 +959,7 @@

function rcmail_write_compose_attachments(&$message, $bodyIsHtml)
{
  global $RCMAIL;
  global $RCMAIL, $COMPOSE;

  $cid_map = $messages = array();
  foreach ((array)$message->mime_parts as $pid => $part)
@@ -976,9 +981,9 @@
      }

      if (!$skip && ($attachment = rcmail_save_attachment($message, $pid))) {
        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
        $COMPOSE['attachments'][$attachment['id']] = $attachment;
        if ($bodyIsHtml && ($part->content_id || $part->content_location)) {
          $url = $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$_SESSION['compose']['id'];
          $url = $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$COMPOSE['id'];
          if ($part->content_id)
            $cid_map['cid:'.$part->content_id] = $url;
          else
@@ -988,7 +993,7 @@
    }
  }

  $_SESSION['compose']['forward_attachments'] = true;
  $COMPOSE['forward_attachments'] = true;

  return $cid_map;
}
@@ -996,14 +1001,14 @@

function rcmail_write_inline_attachments(&$message)
{
  global $RCMAIL;
  global $RCMAIL, $COMPOSE;

  $cid_map = array();
  foreach ((array)$message->mime_parts as $pid => $part) {
    if (($part->content_id || $part->content_location) && $part->filename) {
      if ($attachment = rcmail_save_attachment($message, $pid)) {
        $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
        $url = $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$_SESSION['compose']['id'];
        $COMPOSE['attachments'][$attachment['id']] = $attachment;
        $url = $RCMAIL->comm_path.'&_action=display-attachment&_file=rcmfile'.$attachment['id'].'&_id='.$COMPOSE['id'];
        if ($part->content_id)
          $cid_map['cid:'.$part->content_id] = $url;
        else
@@ -1018,7 +1023,7 @@
// Creates an attachment from the forwarded message
function rcmail_write_forward_attachment(&$message)
{
  global $RCMAIL;
  global $RCMAIL, $COMPOSE;

  if (strlen($message->subject)) {
    $name = mb_substr($message->subject, 0, 64) . '.eml';
@@ -1045,7 +1050,7 @@
  }

  $attachment = array(
    'group' => $_SESSION['compose']['id'],
    'group' => $COMPOSE['id'],
    'name' => $name,
    'mimetype' => 'message/rfc822',
    'data' => $data,
@@ -1057,7 +1062,7 @@

  if ($attachment['status']) {
    unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
    $_SESSION['compose']['attachments'][$attachment['id']] = $attachment;
    $COMPOSE['attachments'][$attachment['id']] = $attachment;
    return true;
  } else if ($path) {
    @unlink($path);
@@ -1069,6 +1074,8 @@

function rcmail_save_attachment(&$message, $pid)
{
  global $COMPOSE;

  $rcmail = rcmail::get_instance();
  $part = $message->mime_parts[$pid];
  $mem_limit = parse_bytes(ini_get('memory_limit'));
@@ -1089,7 +1096,7 @@
  }

  $attachment = array(
    'group' => $_SESSION['compose']['id'],
    'group' => $COMPOSE['id'],
    'name' => $part->filename ? $part->filename : 'Part_'.$pid.'.'.$part->ctype_secondary,
    'mimetype' => $part->ctype_primary . '/' . $part->ctype_secondary,
    'content_id' => $part->content_id,
@@ -1112,11 +1119,13 @@

function rcmail_save_image($path, $mimetype='')
{
  global $COMPOSE;

  // handle attachments in memory
  $data = file_get_contents($path);

  $attachment = array(
    'group' => $_SESSION['compose']['id'],
    'group' => $COMPOSE['id'],
    'name' => rcmail_basename($path),
    'mimetype' => $mimetype ? $mimetype : rc_mime_content_type($path, $name),
    'data' => $data,
@@ -1145,7 +1154,7 @@

function rcmail_compose_subject($attrib)
{
  global $MESSAGE, $compose_mode;
  global $MESSAGE, $COMPOSE, $compose_mode;
  
  list($form_start, $form_end) = get_form_tags($attrib);
  unset($attrib['form']);
@@ -1178,8 +1187,8 @@
  else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
    $subject = $MESSAGE->subject;
  }
  else if (!empty($_SESSION['compose']['param']['subject'])) {
    $subject = $_SESSION['compose']['param']['subject'];
  else if (!empty($COMPOSE['param']['subject'])) {
    $subject = $COMPOSE['param']['subject'];
  }
  
  $out = $form_start ? "$form_start\n" : '';
@@ -1192,7 +1201,7 @@

function rcmail_compose_attachment_list($attrib)
{
  global $OUTPUT, $CONFIG;
  global $OUTPUT, $CONFIG, $COMPOSE;
  
  // add ID if not given
  if (!$attrib['id'])
@@ -1201,8 +1210,7 @@
  $out = "\n";
  $jslist = array();

  if (is_array($_SESSION['compose']['attachments']))
  {
  if (is_array($COMPOSE['attachments'])) {
    if ($attrib['deleteicon']) {
      $button = html::img(array(
        'src' => $CONFIG['skin_path'] . $attrib['deleteicon'],
@@ -1212,7 +1220,7 @@
    else
      $button = Q(rcube_label('delete'));

    foreach ($_SESSION['compose']['attachments'] as $id => $a_prop)
    foreach ($COMPOSE['attachments'] as $id => $a_prop)
    {
      if (empty($a_prop))
        continue;
@@ -1229,7 +1237,7 @@
  }

  if ($attrib['deleteicon'])
    $_SESSION['compose']['deleteicon'] = $CONFIG['skin_path'] . $attrib['deleteicon'];
    $COMPOSE['deleteicon'] = $CONFIG['skin_path'] . $attrib['deleteicon'];
  if ($attrib['cancelicon'])
    $OUTPUT->set_env('cancelicon', $CONFIG['skin_path'] . $attrib['cancelicon']);
  if ($attrib['loadingicon'])
@@ -1397,13 +1405,15 @@

function rcmail_store_target_selection($attrib)
{
  global $COMPOSE;

  $attrib['name'] = '_store_target';
  $select = rcmail_mailbox_select(array_merge($attrib, array(
    'noselection' => '- '.rcube_label('dontsave').' -',
    'folder_filter' => 'mail',
    'folder_rights' => 'w',
  )));
  return $select->show($_SESSION['compose']['param']['sent_mbox'], $attrib);
  return $select->show($COMPOSE['param']['sent_mbox'], $attrib);
}


@@ -1429,14 +1439,14 @@

function get_form_tags($attrib)
{
  global $RCMAIL, $MESSAGE_FORM;
  global $RCMAIL, $MESSAGE_FORM, $COMPOSE;

  $form_start = '';
  if (!$MESSAGE_FORM)
  {
    $hiddenfields = new html_hiddenfield(array('name' => '_task', 'value' => $RCMAIL->task));
    $hiddenfields->add(array('name' => '_action', 'value' => 'send'));
    $hiddenfields->add(array('name' => '_id', 'value' => $_SESSION['compose']['id']));
    $hiddenfields->add(array('name' => '_id', 'value' => $COMPOSE['id']));

    $form_start = empty($attrib['form']) ? $RCMAIL->output->form_tag(array('name' => "form", 'method' => "post")) : '';
    $form_start .= $hiddenfields->show();

 program/steps/mail/func.inc

@@ -1438,7 +1438,6 @@
  $rcmail = rcmail::get_instance();
  $rcmail->plugins->exec_hook('attachments_cleanup', array('group' => $id));
  $rcmail->session->remove('compose_data_'.$id);
  $rcmail->session->remove('compose');
}



 program/steps/mail/sendmail.inc

@@ -27,11 +27,11 @@
$savedraft = !empty($_POST['_draft']) ? true : false;

$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GPC);
$_SESSION['compose'] = $_SESSION['compose_data_'.$COMPOSE_ID];
$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);
@@ -340,20 +340,20 @@
if (!empty($_POST['_followupto'])) {
  $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
}
if (!empty($_SESSION['compose']['reply_msgid'])) {
  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
if (!empty($COMPOSE['reply_msgid'])) {
  $headers['In-Reply-To'] = $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' => $_SESSION['compose']['reply_uid']);
if (!empty($COMPOSE['reply_uid']) && $savedraft) {
  $headers['X-Draft-Info'] = array('type' => 'reply', 'uid' => $COMPOSE['reply_uid']);
}
else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft) {
  $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $_SESSION['compose']['forward_uid']);
else if (!empty($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'])) {
@@ -374,7 +374,7 @@
$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']));
  $headers['X-Draft-Info'] = rcmail_draftinfo_encode($headers['X-Draft-Info'] + array('folder' => $COMPOSE['mailbox']));
}
if (!empty($CONFIG['useragent'])) {
  $headers['User-Agent'] = $CONFIG['useragent'];
@@ -414,12 +414,12 @@

  // Check spelling before send
  if ($CONFIG['spellcheck_before_send'] && $CONFIG['enable_spellcheck']
    && empty($_SESSION['compose']['spell_checked']) && !empty($message_body)
    && empty($COMPOSE['spell_checked']) && !empty($message_body)
  ) {
    $spellchecker = new rcube_spellchecker(get_input_value('_lang', RCUBE_INPUT_GPC));
    $spell_result = $spellchecker->check($message_body, $isHtml);

    $_SESSION['compose']['spell_checked'] = true;
    $COMPOSE['spell_checked'] = true;

    if (!$spell_result) {
      $result = $isHtml ? $spellchecker->get_words() : $spellchecker->get_xml();
@@ -458,12 +458,12 @@

// 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
@@ -527,9 +527,9 @@
}

// 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('attachment_get', $attachment);

@@ -626,10 +626,10 @@
    $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'])
    $IMAP->set_flag($COMPOSE['reply_uid'], 'ANSWERED', $COMPOSE['mailbox']);
  else if ($COMPOSE['forward_uid'])
    $IMAP->set_flag($COMPOSE['forward_uid'], 'FORWARDED', $COMPOSE['mailbox']);

} // End of SMTP Delivery Block

@@ -729,7 +729,7 @@
    $draftuids = $IMAP->search_once($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid, true);
    $saved     = $draftuids[0];
  }
  $_SESSION['compose']['param']['draft_uid'] = $saved;
  $COMPOSE['param']['draft_uid'] = $saved;

  // display success
  $OUTPUT->show_message('messagesaved', 'confirmation');