protected function createAttachment($mail, $structure, $params, $partNo)
{
$attachment = new IncomingMailAttachment();
$attachmentId = null;
if ($structure->ifid) {
$attachmentId = trim($structure->id, " <>");
} elseif (isset($params['filename'])) {
$attachmentId = md5($params['filename']) . $partNo;
} elseif (isset($params['name'])) {
$attachmentId = md5($params['name']) . $partNo;
}
if ($attachmentId) {
if (empty($params['filename']) && empty($params['name'])) {
$fileName = $attachmentId . '.' . strtolower($structure->subtype);
} else {
$fileName = !empty($params['filename']) ? $params['filename'] : $params['name'];
$fileName = self::decodeMimeStr($fileName, $this->imap->serverEncoding);
$fileName = self::decodeRFC2231($fileName, $this->imap->serverEncoding);
}
$attachment->setId($attachmentId);
$attachment->setName($fileName);
$attachment->setSubtype($structure->subtype);
}
return $attachment;
}
