Image file download

<?php
//könyvtár public ("frontend") mappával párhuzamos ("upload") mappa elérési útja
$upload = str_replace("frontend", "", $_SERVER['DOCUMENT_ROOT']) . "upload/";

//kép fájl megnyitás adatbázisban tárolt elemek alapján
include_once 'dbconnect.php';
$iid = $_GET['iid'];

$sql=new ownedsql;
$sql->connect();
$sql->query("SELECT iPath, iFile FROM 3i_rest_images WHERE iid='$iid' AND iActive='1'");
$result = $sql->query;
$sql->kill();

$result = mysql_fetch_array($result);

$fullPath = $result['iPath'] . $result['iFile'];


if ($fd = fopen($fullPath, "r")) {
    $fsize = filesize($fullPath);
    $path_parts = pathinfo($fullPath);
    $ext = strtolower($path_parts["extension"]);
    switch ($ext) {
        case "jpg":
            header("Content-type: image/jpeg");
            header("Content-Disposition: filename=\"" . $path_parts["basename"] . "\"");
            break;
        default;
            header("Content-type: application/octet-stream");
            header("Content-Disposition: filename=\"" . $path_parts["basename"] . "\"");
    }
    header("Content-length: $fsize");
    header("Cache-control: private");
    while (!feof($fd)) {
        $buffer = fread($fd, 2048);
        echo $buffer;
    }
}
fclose($fd);
exit;
?>