protected static function downloadFile($fileName, $storeAs, $skip404 = false)
{
$storeTo = $_SERVER['DOCUMENT_ROOT'] . self::LOCAL_PATH;
if (file_exists($storeTo)) {
if (!is_writable($storeTo)) {
throw new Main\SystemException('Temporal directory is not writable by the current user');
}
} else {
$dir = new IO\Directory($_SERVER['DOCUMENT_ROOT']);
$dir->createSubdirectory(self::LOCAL_PATH);
}
$storeTo .= $storeAs;
if (file_exists($storeTo)) {
if (!is_writable($storeTo)) {
throw new Main\SystemException('Cannot remove previous ' . $storeAs . ' file');
}
unlink($storeTo);
}
$query = 'http://' . self::DISTRIBUTOR_HOST . ':' . self::DISTRIBUTOR_PORT . self::REMOTE_PATH . $fileName;
$client = new HttpClient();
if (!$client->download($query, $storeTo)) {
$eFormatted = array();
foreach ($client->getError() as $code => $desc) {
$eFormatted[] = trim($desc . ' (' . $code . ')');
}
throw new Main\SystemException('File download failed: ' . implode(', ', $eFormatted) . ' (' . $query . ')');
}
$status = intval($client->getStatus());
if ($status != 200 && file_exists($storeTo)) {
unlink($storeTo);
}
$okay = $status == 200 || $status == 404 && $skip404;
// honestly we should check for all 2xx codes, but for now this is enough
if (!$okay) {
throw new Main\SystemException('File download failed: http error ' . $status . ' (' . $query . ')');
}
// charset conversion here?
return filesize($storeTo);
}
