email_learn.php
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<?php
/**
* Email learn driver
*
* @version 3.0
*
* @author Philip Weir
*
* Copyright (C) 2009-2017 Philip Weir
*
* This driver is part of the MarkASJunk plugin for Roundcube.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Roundcube. If not, see https://www.gnu.org/licenses/.
*/
class markasjunk_email_learn
{
private $rcube;
public function spam($uids, $src_mbox, $dst_mbox)
{
$this->_do_emaillearn($uids, true);
}
public function ham($uids, $src_mbox, $dst_mbox)
{
$this->_do_emaillearn($uids, false);
}
private function _do_emaillearn($uids, $spam)
{
$this->rcube = rcube::get_instance();
$identity = $this->rcube->user->get_identity();
$from = $identity['email'];
$from_string = format_email_recipient($$from, $identity['name']);
$attach = $this->rcube->config->get('markasjunk_email_attach', false);
$debug = $this->rcube->config->get('markasjunk_debug');
$product = $this->rcube->config->get('product_name');
$temp_dir = unslashify($this->rcube->config->get('temp_dir'));
$mailto = $this->rcube->config->get($spam ? 'markasjunk_email_spam' : 'markasjunk_email_ham');
$mailto = $this->_parse_vars($mailto, $spam, $from);
// no address to send to, exit
if (!$mailto) {
return;
}
$subject = $this->rcube->config->get('markasjunk_email_subject');
$subject = $this->_parse_vars($subject, $spam, $from);
foreach ($uids as $i => $uid) {
$MESSAGE = new rcube_message($uid);
$message_file = null;
// set message charset as default
if (!empty($MESSAGE->headers->charset)) {
$this->rcube->storage->set_charset($MESSAGE->headers->charset);
}
$OUTPUT = $this->rcube->output;
$SENDMAIL = new rcmail_sendmail(null, [
'sendmail' => true,
'from' => $from,
'mailto' => $mailto,
'dsn_enabled' => false,
'charset' => 'UTF-8',
'error_handler' => function() use ($OUTPUT) {
call_user_func_array([$OUTPUT, 'show_message'], func_get_args());
$OUTPUT->send();
}
]);
if ($attach) {
$headers = [
'Date' => $this->rcube->user_date(),
'From' => $from_string,
'To' => $mailto,
'Subject' => $subject,
'User-Agent' => $this->rcube->config->get('useragent'),
'Message-ID' => $this->rcube->gen_message_id($from),
'X-Sender' => $from
];
$message_text = ($spam ? 'Spam' : 'Ham') . " report from $product";
// create attachment
$orig_subject = $MESSAGE->get_header('subject');
$disp_name = (!empty($orig_subject) ? $orig_subject : 'message_rfc822') . '.eml';
$message_file = tempnam($temp_dir, 'rcm');
$attachment = [];
if ($fp = fopen($message_file, 'w')) {
$this->rcube->storage->get_raw_body($uid, $fp);
fclose($fp);
$attachment = [
'name' => $disp_name,
'mimetype' => 'message/rfc822',
'path' => $message_file,
'size' => filesize($message_file),
'charset' => $MESSAGE->headers->charset
];
}
// create message
$MAIL_MIME = $SENDMAIL->create_message($headers, $message_text, false, [$attachment]);
if (count($attachment) > 0) { // sanity check in case creating the attachment failed
$folding = (int) $this->rcube->config->get('mime_param_folding');
$MAIL_MIME->addAttachment($attachment['path'],
$attachment['mimetype'], $attachment['name'], true,
'8bit', 'attachment', $attachment['charset'], '', '',
$folding ? 'quoted-printable' : null,
$folding == 2 ? 'quoted-printable' : null,
'', RCUBE_CHARSET
);
}
}
else {
$headers = [
'Resent-From' => $from_string,
'Resent-To' => $mailto,
'Resent-Date' => $this->rcube->user_date(),
'Resent-Message-ID' => $this->rcube->gen_message_id($from)
];
// create the bounce message
$MAIL_MIME = new rcmail_resend_mail([
'bounce_message' => $MESSAGE,
'bounce_headers' => $headers,
]);
}
$SENDMAIL->deliver_message($MAIL_MIME, $i == count($uids) - 1);
$message_file = $message_file ?: $MAIL_MIME->mailbody_file;
// clean up
if ($message_file) {
unlink($message_file);
}
if ($debug) {
rcube::write_log('markasjunk', $uid . ($spam ? ' SPAM ' : ' HAM ') . $mailto . ' (' . $subject . ')');
}
}
}
private function _parse_vars($data, $spam, $from)
{
$data = str_replace('%u', $_SESSION['username'], $data);
$data = str_replace('%t', $spam ? 'spam' : 'ham', $data);
$data = str_replace('%l', $this->rcube->user->get_username('local'), $data);
$data = str_replace('%d', $this->rcube->user->get_username('domain'), $data);
$data = str_replace('%i', $from, $data);
return $data;
}
}