header("Pragma: public");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", FALSE);
header("Cache-Control: max-age=1");
// stores for only 1 second, which helps allow SSL downloads to work more reliably in IE
break;
default:
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
break;
}
header("Content-Transfer-Encoding: binary");
// NOTE: Redirect usually will work only on Unix/Linux hosts since Windows hosts can't do symlinking in PHP versions older than 5.3.0
if (DOWNLOAD_BY_REDIRECT == 'true') {
zen_unlink_temp_dir(DIR_FS_DOWNLOAD_PUBLIC);
$tempdir = zen_random_name() . '-' . time();
umask(00);
mkdir(DIR_FS_DOWNLOAD_PUBLIC . $tempdir, 0777);
$download_link = str_replace(array('/', '\\'), '_', $browser_filename);
$link_create_status = @symlink(DIR_FS_DOWNLOAD . $origin_filename, DIR_FS_DOWNLOAD_PUBLIC . $tempdir . '/' . $download_link);
if ($link_create_status == true) {
$zco_notifier->notify('NOTIFY_DOWNLOAD_VIA_SYMLINK___BEGINS', $download_link, $origin_filename, $tempdir);
header("HTTP/1.1 303 See Other");
zen_redirect(DIR_WS_DOWNLOAD_PUBLIC . $tempdir . '/' . $download_link, 303);
}
}
if (DOWNLOAD_BY_REDIRECT != 'true' or $link_create_status == false) {
// not downloading by redirect; instead, we stream it to the browser.
// This happens if the symlink couldn't happen, or if set as default in Admin
if ((int) $downloadFilesize > 0) {
header("Content-Length: " . (string) $downloadFilesize);
$browser_filename = substr($browser_filename, strrpos($browser_filename, '\\') + 1);
}
// Now send the file with header() magic
// the "must-revalidate" and expiry times are used to prevent caching and fraudulent re-acquiring of files w/o redownloading.
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=" . $browser_filename);
header("Content-Transfer-Encoding: binary");
$zv_filesize = filesize(DIR_FS_DOWNLOAD . $origin_filename);
if (DOWNLOAD_BY_REDIRECT == 'true') {
// This will work only on Unix/Linux hosts
zen_unlink_temp_dir(DIR_FS_DOWNLOAD_PUBLIC);
$tempdir = zen_random_name();
umask(00);
mkdir(DIR_FS_DOWNLOAD_PUBLIC . $tempdir, 0777);
$download_link = str_replace(array('/', '\\'), '_', $browser_filename);
$link_create_status = @symlink(DIR_FS_DOWNLOAD . $origin_filename, DIR_FS_DOWNLOAD_PUBLIC . $tempdir . '/' . $download_link);
if ($link_create_status == true) {
$zco_notifier->notify('NOTIFY_DOWNLOAD_VIA_SYMLINK___BEGINS');
header("HTTP/1.1 303 See Other");
zen_redirect(DIR_WS_DOWNLOAD_PUBLIC . $tempdir . '/' . $download_link);
}
}
if (DOWNLOAD_BY_REDIRECT != 'true' or $link_create_status == false) {
// not downloading by redirect; instead, we stream it to the browser.
// This happens if the symlink couldn't happen, or if set as default in Admin
header("Content-Length: " . (string) $zv_filesize);
if (DOWNLOAD_IN_CHUNKS != 'true') {
