public static function get_repository_xml($xmlfile, $size = -1)
{
if (!$xmlfile) {
return FALSE;
}
$mod = cms_utils::get_module('ModuleManager');
$orig_chunksize = $mod->GetPreference('dl_chunksize', 256);
$chunksize = $orig_chunksize * 1024;
$url = $mod->GetPreference('module_repository');
if ($url == '') {
return FALSE;
}
if ($size <= $chunksize) {
// downloading the whole file at one shot.
$url .= '/modulexml';
$req = new cms_http_request();
$req->execute($url, '', 'POST', array('name' => $xmlfile));
$status = $req->GetStatus();
$result = $req->GetResult();
if ($status != 200 || $result == '') {
$req->clear();
return FALSE;
}
$tmpname = tempnam(TMP_CACHE_LOCATION, 'modmgr_');
if (!$tmpname) {
$req->clear();
return FALSE;
}
$fh = fopen($tmpname, 'w');
fwrite($fh, $result);
fclose($fh);
return $tmpname;
}
// download in chunks
$tmpname = tempnam(TMP_CACHE_LOCATION, 'modmgr_');
if (!$tmpname) {
return FALSE;
}
$url .= '/modulegetpart';
$nchunks = (int) ($size / $chunksize);
if ($size % $chunksize) {
$nchunks++;
}
$req = new cms_http_request();
for ($i = 0; $i < $nchunks; $i++) {
$req->execute($url, '', 'POST', array('name' => $xmlfile, 'partnum' => $i, 'sizekb' => $orig_chunksize));
$status = $req->GetStatus();
$result = $req->GetResult();
if ($status != 200 || $result == '') {
unlink($tmpname);
$req->clear();
return FALSE;
}
$fh = fopen($tmpname, 'a');
fwrite($fh, base64_decode($result));
fclose($fh);
$req->clear();
}
return $tmpname;
}
