// Now decrement counter
$Qupdate = $lC_Database->query('update :table_orders_products_download set download_count = download_count-1 where orders_products_download_id = :orders_products_download_id');
$Qupdate->bindTable(':table_orders_products_download', TABLE_ORDERS_PRODUCTS_DOWNLOAD);
$Qupdate->bindInt(':orders_products_download_id', $_GET['id']);
$Qupdate->execute();
// Now send the file with header() magic
header("Expires: Mon, 26 Nov 1962 00:00:00 GMT");
header("Last-Modified: " . gmdate("D,d M Y H:i:s") . " GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: Application/octet-stream");
header("Content-disposition: attachment; filename=" . $Qdownloads->value('orders_products_filename'));
if (DOWNLOAD_BY_REDIRECT == '1') {
// This will work only on Unix/Linux hosts
lc_unlink_temp_dir(DIR_FS_DOWNLOAD_PUBLIC);
$tempdir = lc_random_name();
umask(00);
mkdir(DIR_FS_DOWNLOAD_PUBLIC . $tempdir, 0777);
symlink(DIR_FS_DOWNLOAD . $Qdownloads->value('orders_products_filename'), DIR_FS_DOWNLOAD_PUBLIC . $tempdir . '/' . $Qdownloads->value('orders_products_filename'));
lc_redirect(DIR_WS_DOWNLOAD_PUBLIC . $tempdir . '/' . $Qdownloads->value('orders_products_filename'));
} else {
// This will work on all systems, but will need considerable resources
// We could also loop with fread($fp, 4096) to save memory
readfile(DIR_FS_DOWNLOAD . $Qdownloads->value('orders_products_filename'));
}
/*
* Returns a random name, 16 to 20 characters long
*
* @access public
* @return string
*/
public function __construct()
{
global $lC_Language, $lC_MessageStack;
parent::__construct();
if (isset($_GET['filename'])) {
$filename = $_GET['filename'];
// Now send the file with header() magic
header("Expires: Mon, 26 Nov 1962 00:00:00 GMT");
header("Last-Modified: " . gmdate("D,d M Y H:i:s") . " GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: Application/octet-stream");
header("Content-disposition: attachment; filename=" . $filename);
if (DOWNLOAD_BY_REDIRECT == '1') {
// This will work only on Unix/Linux hosts
lc_unlink_temp_dir(DIR_FS_DOWNLOAD_PUBLIC);
$tempdir = lc_random_name();
umask(00);
mkdir(DIR_FS_DOWNLOAD_PUBLIC . $tempdir, 0777);
symlink(DIR_FS_DOWNLOAD . $filename, DIR_FS_DOWNLOAD_PUBLIC . $tempdir . '/' . $filename);
lc_redirect(DIR_WS_DOWNLOAD_PUBLIC . $tempdir . '/' . $filename);
} else {
// This will work on all systems, but will need considerable resources
// We could also loop with fread($fp, 4096) to save memory
readfile(DIR_FS_DOWNLOAD . $filename);
}
die;
}
/*
* Returns a random name, 16 to 20 characters long
*
* @access public
* @return string
*/
function lc_random_name()
{
$letters = 'abcdefghijklmnopqrstuvwxyz';
$dirname = '.';
$length = floor(lc_rand(16, 20));
for ($i = 1; $i <= $length; $i++) {
$q = floor(lc_rand(1, 26));
$dirname .= $letters[$q];
}
return $dirname;
}
/*
* Unlinks all subdirectories and files in $dir (non-recursive)
*
* @param string $dir The parent directory
* @access public
* @return void
*/
function lc_unlink_temp_dir($dir)
{
$h1 = opendir($dir);
while ($subdir = readdir($h1)) {
// Ignore non directories
if (!is_dir($dir . $subdir)) {
continue;
}
// Ignore . and .. and CVS
if ($subdir == '.' || $subdir == '..' || $subdir == 'CVS') {
continue;
}
// Loop and unlink files in subdirectory
$h2 = opendir($dir . $subdir);
while ($file = readdir($h2)) {
if ($file == '.' || $file == '..') {
continue;
}
@unlink($dir . $subdir . '/' . $file);
}
closedir($h2);
@rmdir($dir . $subdir);
}
closedir($h1);
}
}
