/**
* Parse message body for UUencoded attachments bodies
*
* @param rcube_message_part $part Message part to decode
* @return array
*/
function uu_decode(&$part)
{
// @TODO: messages may be huge, hadle body via file
if (!isset($part->body)) {
$part->body = $this->imap->get_message_part($this->uid, $part->mime_id, $part);
}
$parts = array();
// FIXME: line length is max.65?
$uu_regexp = '/begin [0-7]{3,4} ([^\\n]+)\\n(([\\x21-\\x7E]{0,65}\\n)+)`\\nend/s';
if (preg_match_all($uu_regexp, $part->body, $matches, PREG_SET_ORDER)) {
// remove attachments bodies from the message body
$part->body = preg_replace($uu_regexp, '', $part->body);
// update message content-type
$part->ctype_primary = 'multipart';
$part->ctype_secondary = 'mixed';
$part->mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
// add attachments to the structure
foreach ($matches as $pid => $att) {
$uupart = new rcube_message_part();
$uupart->filename = trim($att[1]);
$uupart->encoding = 'stream';
$uupart->body = convert_uudecode($att[2]);
$uupart->size = strlen($uupart->body);
$uupart->mime_id = 'uu.' . $part->mime_id . '.' . $pid;
$ctype = rc_mime_content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
$uupart->mimetype = $ctype;
list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype);
$parts[] = $uupart;
unset($matches[$pid]);
}
}
return $parts;
}