if (isset($_SERVER["HTTP_IF_NONE_MATCH"])) {
if ($etag == $_SERVER["HTTP_IF_NONE_MATCH"]) {
header("HTTP/1.0 304 Not Modified");
exit;
}
}
if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && $_SERVER["HTTP_IF_MODIFIED_SINCE"] == gmdate("D, d M Y H:i:s", filemtime($f->path)) . " GMT") {
header("HTTP/1.0 304 Not Modified");
exit;
}
if (preg_match('/\\.txt$/', $_GET["path"])) {
header("Content-Type: text/plain");
} else {
if ($_GET["bin"] == "y") {
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"" . basename($_GET["path"]) . "\"");
} else {
header("Content-Type: " . $f->params['content_type']);
header("Content-Disposition: attachment; filename=\"" . basename($_GET["path"]) . "\"");
}
}
header("Content-Length: " . $f->params['size']);
header("ETag: " . $etag);
header("Last-Modified: " . gmdate("D, d M Y H:i:s", filemtime($f->path)) . " GMT");
header("Expires: " . gmdate("D, d M Y H:i:s", filemtime($f->path) + 60 * 60 * 24 * 30) . " GMT");
$f->incrementHits();
readfile($f->path);
exit;
}
header("HTTP/1.0 404 Not Found");
print "Nothing found at that tag.";
