/**
* Process a message again to add body and attachment data.
*
* @param $messagedata The structure and part of the message body
* @param $partdata The part data
* @param $filename The filename of the attachment
* @return \stdClass
*/
private function process_message_part_attachment($messagedata, $partdata, $part, $filename)
{
global $CFG;
// If a filename is present, assume that this part is an attachment.
$attachment = new \stdClass();
$attachment->filename = $filename;
$attachment->type = $partdata->getType();
$attachment->content = $partdata->getContents();
$attachment->charset = $partdata->getCharset();
$attachment->description = $partdata->getDescription();
$attachment->contentid = $partdata->getContentId();
$attachment->filesize = $messagedata->getBodyPartSize($part);
if (empty($CFG->runclamonupload) or empty($CFG->pathtoclam)) {
mtrace("--> Attempting virus scan of '{$attachment->filename}'");
// Store the file on disk - it will need to be virus scanned first.
$itemid = rand(1, 999999999);
$directory = make_temp_directory("/messageinbound/{$itemid}", false);
$filepath = $directory . "/" . $attachment->filename;
if (!($fp = fopen($filepath, "w"))) {
// Unable to open the temporary file to write this to disk.
mtrace("--> Unable to save the file to disk for virus scanning. Check file permissions.");
throw new \core\message\inbound\processing_failed_exception('attachmentfilepermissionsfailed', 'tool_messageinbound');
}
fwrite($fp, $attachment->content);
fclose($fp);
// Perform a virus scan now.
try {
\repository::antivir_scan_file($filepath, $attachment->filename, true);
} catch (moodle_exception $e) {
mtrace("--> A virus was found in the attachment '{$attachment->filename}'.");
$this->inform_attachment_virus();
return;
}
}
return $attachment;
}
