A PHP script to give a direct download link for a Google Drive file. (bypasses the Virus scan warning for big files)

drive.php

<?php
// NOTE: Also follow this answer: https://stackoverflow.com/a/2429162/8524395
set_time_limit(0);
$requireds = array("fid", "fname");
foreach($requireds as $required) {
	if( !isset($_GET[$required]) || empty($_GET[$required]) ) {
		die("error.");
	}
}
$gdrive_api_key = ""; // Not necessary to be API key for the account which uploaded the file. The file just have to be enabled for sharing with anyone.
$path = "https://www.googleapis.com/drive/v3/files/" . $_GET['fid'] . "/?key=" . $gdrive_api_key . "&alt=media";
$finfo = finfo_open(FILEINFO_MIME_TYPE);
header('Content-Type: '.finfo_file($finfo, $path));
$finfo = finfo_open(FILEINFO_MIME_ENCODING);
header('Content-Transfer-Encoding: '.finfo_file($finfo, $path)); 
header('Content-disposition: attachment; filename="'.basename($_GET['fname']).'"'); 
readfile($path);
die();
?>