Allow forwarding of multiple emails (#1486854)

Aleksander Machniak

2012-12-11 d9f109b56af2015eae7aadc5e87c06365854eda0

 program/steps/mail/compose.inc

@@ -151,15 +151,22 @@

// get reference message and set compose mode
if ($msg_uid = $COMPOSE['param']['draft_uid']) {
  $RCMAIL->storage->set_folder($CONFIG['drafts_mbox']);
  $compose_mode = RCUBE_COMPOSE_DRAFT;
  $RCMAIL->storage->set_folder($CONFIG['drafts_mbox']);
}
else if ($msg_uid = $COMPOSE['param']['reply_uid'])
else if ($msg_uid = $COMPOSE['param']['reply_uid']) {
  $compose_mode = RCUBE_COMPOSE_REPLY;
else if ($msg_uid = $COMPOSE['param']['forward_uid'])
  $OUTPUT->set_env('compose_mode', 'reply');
}
else if ($msg_uid = $COMPOSE['param']['forward_uid']) {
  $compose_mode = RCUBE_COMPOSE_FORWARD;
else if ($msg_uid = $COMPOSE['param']['uid'])
  $OUTPUT->set_env('compose_mode', 'forward');
  $COMPOSE['forward_uid']   = $msg_uid;
  $COMPOSE['as_attachment'] = !empty($COMPOSE['param']['attachment']);
}
else if ($msg_uid = $COMPOSE['param']['uid']) {
  $compose_mode = RCUBE_COMPOSE_EDIT;
}

$config_show_sig = $RCMAIL->config->get('show_sig', 1);
if ($config_show_sig == 1)
@@ -174,7 +181,7 @@
// set line length for body wrapping
$LINE_LENGTH = $RCMAIL->config->get('line_length', 72);

if (!empty($msg_uid))
if (!empty($msg_uid) && empty($COMPOSE['as_attachment']))
{
  // similar as in program/steps/mail/show.inc
  // re-set 'prefer_html' to have possibility to use html part for compose
@@ -188,16 +195,13 @@
  if (!empty($MESSAGE->headers->charset))
    $RCMAIL->storage->set_charset($MESSAGE->headers->charset);

  if ($compose_mode == RCUBE_COMPOSE_REPLY)
  {
  if ($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);

    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 = $COMPOSE['mailbox'])
@@ -206,10 +210,8 @@
      $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) {
    if ($MESSAGE->headers->others['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']);

@@ -232,14 +234,6 @@
      $COMPOSE['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';

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

    if (!empty($COMPOSE['param']['attachment']))
      $MESSAGE->forward_attachment = true;
  }
}
else {
@@ -643,11 +637,11 @@
    $isHtml = false;
  }
  // forward as attachment
  else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $MESSAGE->forward_attachment) {
  else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $COMPOSE['as_attachment']) {
    $isHtml = rcmail_compose_editor_mode();
    $body = '';
    if (empty($COMPOSE['attachments']))
      rcmail_write_forward_attachment($MESSAGE);
      rcmail_write_forward_attachments();
  }
  // reply/edit/draft/forward
  else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY || $RCMAIL->config->get('reply_mode') != -1)) {
@@ -1135,55 +1129,86 @@
  return $cid_map;
}

// Creates an attachment from the forwarded message
function rcmail_write_forward_attachment(&$message)
// Creates attachment(s) from the forwarded message(s)
function rcmail_write_forward_attachments()
{
  global $RCMAIL, $COMPOSE;
  global $RCMAIL, $COMPOSE, $MESSAGE;

  if (strlen($message->subject)) {
    $name = mb_substr($message->subject, 0, 64) . '.eml';
  $storage   = $RCMAIL->get_storage();
  $mem_limit = parse_bytes(ini_get('memory_limit'));
  $curr_mem  = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
  $names     = array();

  if ($COMPOSE['forward_uid'] == '*') {
    $index = $storage->index(null, rcmail_sort_column(), rcmail_sort_order());
    $COMPOSE['forward_uid'] = $index->get();
  }
  else {
    $name = 'message_rfc822.eml';
    $COMPOSE['forward_uid'] = explode(',', $COMPOSE['forward_uid']);
  }

  $mem_limit = parse_bytes(ini_get('memory_limit'));
  $curr_mem = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
  $data = $path = null;
  foreach ((array)$COMPOSE['forward_uid'] as $uid) {
    $message = new rcube_message($uid);

  // don't load too big attachments into memory
  if ($mem_limit > 0 && $message->size > $mem_limit - $curr_mem) {
    $temp_dir = unslashify($RCMAIL->config->get('temp_dir'));
    $path = tempnam($temp_dir, 'rcmAttmnt');
    if ($fp = fopen($path, 'w')) {
      $RCMAIL->storage->get_raw_body($message->uid, $fp);
      fclose($fp);
    } else
      return false;
  } else {
    $data = $RCMAIL->storage->get_raw_body($message->uid);
    if (empty($message->headers)) {
      continue;
    }

    if (!empty($message->headers->charset)) {
      $storage->set_charset($message->headers->charset);
    }

    if (empty($MESSAGE->subject)) {
      $MESSAGE->subject = $message->subject;
    }

    // generate (unique) attachment name
    $name = strlen($message->subject) ? mb_substr($message->subject, 0, 64) : 'message_rfc822';
    if (!empty($names[$name])) {
      $names[$name]++;
      $name .= '_' . $names[$name];
    }
    $names[$name] = 1;
    $name .= '.eml';

    $data = $path = null;

    // don't load too big attachments into memory
    if ($mem_limit > 0 && $message->size > $mem_limit - $curr_mem) {
      $temp_dir = unslashify($RCMAIL->config->get('temp_dir'));
      $path = tempnam($temp_dir, 'rcmAttmnt');
      if ($fp = fopen($path, 'w')) {
        $storage->get_raw_body($message->uid, $fp);
        fclose($fp);
      }
      else {
        return false;
      }
    }
    else {
      $data = $storage->get_raw_body($message->uid);
      $curr_mem += $message->size;
    }

    $attachment = array(
      'group' => $COMPOSE['id'],
      'name' => $name,
      'mimetype' => 'message/rfc822',
      'data' => $data,
      'path' => $path,
      'size' => $path ? filesize($path) : strlen($data),
    );

    $attachment = $RCMAIL->plugins->exec_hook('attachment_save', $attachment);

    if ($attachment['status']) {
      unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
      $COMPOSE['attachments'][$attachment['id']] = $attachment;
    }
    else if ($path) {
      @unlink($path);
    }
  }

  $attachment = array(
    'group' => $COMPOSE['id'],
    'name' => $name,
    'mimetype' => 'message/rfc822',
    'data' => $data,
    'path' => $path,
    'size' => $path ? filesize($path) : strlen($data),
  );

  $attachment = $RCMAIL->plugins->exec_hook('attachment_save', $attachment);

  if ($attachment['status']) {
    unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
    $COMPOSE['attachments'][$attachment['id']] = $attachment;
    return true;
  } else if ($path) {
    @unlink($path);
  }

  return false;
}