{
require_once 'connect_mongo.php';
$hash = $_GET['hash'];
$userID = $_GET['uid'];
$c = $grid->find(array("md5" => $hash))->count();
if ($c > 0) {
echo "{exists:1}";
} else {
echo "{exists:0}";
}
}
}
if ($_GET['ups']) {
if (isset($_GET['uid'])) {
$song = new Song();
$song->upload();
}
} else {
if ($_GET['gs']) {
if (isset($_GET['filename']) && isset($_GET["owner"])) {
$song = new Song();
$song->getsong();
}
} else {
if ($_GET['ds']) {
if (isset($_GET['filename']) && isset($_GET["owner"])) {
$song = new Song();
$song->download();
}
} else {
if ($_GET['csmd']) {
