viewsource.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: |
| Display a mail message similar as a usual mail application does |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
*/
class rcmail_action_mail_viewsource extends rcmail_action
{
/**
* Request handler.
*
* @param array $args Arguments from the previous step(s)
*/
public function run($args = [])
{
$rcmail = rcmail::get_instance();
if (!empty($_GET['_save'])) {
$rcmail->request_security_check(rcube_utils::INPUT_GET);
}
ob_end_clean();
// similar code as in program/steps/mail/get.inc
if ($uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET)) {
if ($pos = strpos($uid, '.')) {
$message = new rcube_message($uid);
$headers = $message->headers;
$part_id = substr($uid, $pos + 1);
}
else {
$headers = $rcmail->storage->get_message_headers($uid);
}
$charset = $headers->charset ?: $rcmail->config->get('default_charset');
if (!empty($_GET['_save'])) {
$subject = rcube_mime::decode_header($headers->subject, $headers->charset);
$filename = self::filename_from_subject(mb_substr($subject, 0, 128));
$filename = ($filename ?: $uid) . '.eml';
$rcmail->output->download_headers($filename, [
'length' => $headers->size,
'type' => 'text/plain',
'type_charset' => $charset,
]);
}
else {
header("Content-Type: text/plain; charset={$charset}");
}
if (isset($part_id) && isset($message)) {
$message->get_part_body($part_id, empty($_GET['_save']), 0, -1);
}
else {
$rcmail->storage->print_raw_body($uid, empty($_GET['_save']));
}
}
else {
rcube::raise_error([
'code' => 500,
'file' => __FILE__,
'line' => __LINE__,
'message' => "Message UID $uid not found"
],
true, true
);
}
exit;
}
/**
* Helper function to convert message subject into filename
*/
public static function filename_from_subject($str)
{
$str = preg_replace('/[:\t\n\r\0\x0B\/]+\s*/', ' ', $str);
return trim($str, " \t\n\r\0\x0B./_");
}
}