sendmdn.php
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<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) 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: |
| Send a message disposition notification for a specific mail |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
class rcmail_action_mail_sendmdn extends rcmail_action
{
protected static $mode = self::MODE_AJAX;
/**
* Request handler.
*
* @param array $args Arguments from the previous step(s)
*/
public function run($args = [])
{
$rcmail = rcmail::get_instance();
if ($uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST)) {
$sent = self::send_mdn($uid, $smtp_error);
}
// show either confirm or error message
if (!empty($sent)) {
$rcmail->output->set_env('mdn_request', false);
$rcmail->output->show_message('receiptsent', 'confirmation');
}
else if (!empty($smtp_error) && is_string($smtp_error)) {
$rcmail->output->show_message($smtp_error, 'error');
}
else if (!empty($smtp_error) && !empty($smtp_error['label'])) {
$rcmail->output->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
}
else {
$rcmail->output->show_message('errorsendingreceipt', 'error');
}
// Redirect to 'addcontact' action to save the sender address
if (!empty($_POST['_save'])) {
if ($_POST['_save'] == 5) {
$_POST['_source'] = rcube_addressbook::TYPE_TRUSTED_SENDER;
}
$rcmail->action = 'addcontact';
return;
}
$rcmail->output->send();
}
/**
* Send the MDN response
*
* @param mixed $message Original message object (rcube_message) or UID
* @param array|string $smtp_error SMTP error array or (deprecated) string
*
* @return boolean Send status
*/
public static function send_mdn($message, &$smtp_error)
{
$rcmail = rcmail::get_instance();
if (!is_object($message) || !is_a($message, 'rcube_message')) {
$message = new rcube_message($message);
}
if ($message->headers->mdn_to && empty($message->headers->flags['MDNSENT']) &&
($rcmail->storage->check_permflag('MDNSENT') || $rcmail->storage->check_permflag('*'))
) {
$charset = $message->headers->charset;
$identity = rcmail_sendmail::identity_select($message);
$sender = format_email_recipient($identity['email'], $identity['name']);
$recipient = array_first(rcube_mime::decode_address_list($message->headers->mdn_to, 1, true, $charset));
$mailto = $recipient['mailto'];
$compose = new Mail_mime("\r\n");
$compose->setParam('text_encoding', 'quoted-printable');
$compose->setParam('html_encoding', 'quoted-printable');
$compose->setParam('head_encoding', 'quoted-printable');
$compose->setParam('head_charset', RCUBE_CHARSET);
$compose->setParam('html_charset', RCUBE_CHARSET);
$compose->setParam('text_charset', RCUBE_CHARSET);
// compose headers array
$headers = [
'Date' => $rcmail->user_date(),
'From' => $sender,
'To' => $message->headers->mdn_to,
'Subject' => $rcmail->gettext('receiptread') . ': ' . $message->subject,
'Message-ID' => $rcmail->gen_message_id($identity['email']),
'X-Sender' => $identity['email'],
'References' => trim($message->headers->references . ' ' . $message->headers->messageID),
'In-Reply-To' => $message->headers->messageID,
];
$report = "Final-Recipient: rfc822; {$identity['email']}\r\n"
. "Original-Message-ID: {$message->headers->messageID}\r\n"
. "Disposition: manual-action/MDN-sent-manually; displayed\r\n";
if ($message->headers->to) {
$report .= "Original-Recipient: {$message->headers->to}\r\n";
}
if ($agent = $rcmail->config->get('useragent')) {
$headers['User-Agent'] = $agent;
$report .= "Reporting-UA: $agent\r\n";
}
$to = rcube_mime::decode_mime_string($message->headers->to, $charset);
$date = $rcmail->format_date($message->headers->date, $rcmail->config->get('date_long'));
$body = $rcmail->gettext("yourmessage") . "\r\n\r\n" .
"\t" . $rcmail->gettext("to") . ": {$to}\r\n" .
"\t" . $rcmail->gettext("subject") . ": {$message->subject}\r\n" .
"\t" . $rcmail->gettext("date") . ": {$date}\r\n" .
"\r\n" . $rcmail->gettext("receiptnote");
$compose->headers(array_filter($headers));
$compose->setContentType('multipart/report', ['report-type'=> 'disposition-notification']);
$compose->setTXTBody(rcube_mime::wordwrap($body, 75, "\r\n"));
$compose->addAttachment($report, 'message/disposition-notification', 'MDNPart2.txt', false, '7bit', 'inline');
// SMTP options
$options = ['mdn_use_from' => (bool) $rcmail->config->get('mdn_use_from')];
$sent = $rcmail->deliver_message($compose, $identity['email'], $mailto, $smtp_error, $body_file, $options, true);
if ($sent) {
$rcmail->storage->set_flag($message->uid, 'MDNSENT');
return true;
}
}
return false;
}
}