public function processResponse()
{
if (isset($_GET['file'])) {
try {
$data = explode('.', $_GET['file']);
if (count($data) != 3) {
throw new Exception(__('Invalid download key. Unable to download file.', 'jigoshop'));
}
list($key, $id, $itemKey) = $data;
$order = $this->orderService->find((int) $id);
/** @var $order Order */
if ($order->getKey() !== $key) {
throw new Exception(__('Invalid security key. Unable to download file.', 'jigoshop'));
}
if (!in_array($order->getStatus(), array(Order\Status::COMPLETED, Order\Status::PROCESSING))) {
throw new Exception(__('Invalid order.', 'jigoshop'));
}
$item = $order->getItem($itemKey);
if ($item === null) {
throw new Exception(__('Product not found.', 'jigoshop'));
}
if ($item->getType() !== Downloadable::TYPE) {
throw new Exception(__('Invalid file to download.', 'jigoshop'));
}
$downloads = $item->getMeta('downloads')->getValue();
if (!empty($downloads) && $downloads == 0) {
throw new Exception(__('Sorry, you have reached your download limit for this file.', 'jigoshop'));
}
if ($this->options->get('shopping.login_for_downloads')) {
if (!$this->wp->isUserLoggedIn()) {
throw new Exception(__('You have to log in before you can download a file.', 'jigoshop'));
} else {
if ($order->getCustomer()->getId() != $this->wp->getCurrentUserId()) {
throw new Exception(__('This is not your download link.', 'jigoshop'));
}
}
}
$file = $item->getMeta('file')->getValue();
if (!$file) {
throw new Exception(__('File not found.', 'jigoshop'));
}
if (!empty($downloads)) {
$item->getMeta('downloads')->setValue($downloads - 1);
$this->orderService->saveItemMeta($item, $item->getMeta('downloads'));
}
if (!$this->wp->isMultisite()) {
$site_url = $this->wp->siteUrl();
$site_url = str_replace('https:', 'http:', $site_url);
$file = str_replace($this->wp->getHelpers()->trailingslashit($site_url), ABSPATH, $file);
} else {
$network_url = $this->wp->networkAdminUrl();
$network_url = str_replace('https:', 'http:', $network_url);
$upload_dir = $this->wp->wpUploadDir();
// Try to replace network url
$file = str_replace($this->wp->getHelpers()->trailingslashit($network_url), ABSPATH, $file);
// Now try to replace upload URL
$file = str_replace($upload_dir['baseurl'], $upload_dir['basedir'], $file);
}
$file = $this->wp->applyFilters('jigoshop\\downloadable\\file_path', $file, $itemKey, $order);
// See if its local or remote
if (strstr($file, 'http:') || strstr($file, 'https:') || strstr($file, 'ftp:')) {
$isRemote = true;
} else {
$isRemote = false;
$file = realpath($file);
}
// Download the file
$extension = strtolower(substr(strrchr($file, '.'), 1));
switch ($extension) {
case 'pdf':
$type = 'application/pdf';
break;
case 'exe':
$type = 'application/octet-stream';
break;
case 'zip':
$type = 'application/zip';
break;
case 'doc':
$type = 'application/msword';
break;
case 'xls':
$type = 'application/vnd.ms-excel';
break;
case 'ppt':
$type = 'application/vnd.ms-powerpoint';
break;
case 'gif':
$type = 'image/gif';
break;
case 'png':
$type = 'image/png';
break;
case 'jpe':
case 'jpeg':
case 'jpg':
$type = 'image/jpg';
break;
default:
$type = 'application/force-download';
}
$this->wp->doAction('jigoshop\\downloadable\\before_download', $file, $order);
@session_write_close();
@set_time_limit(0);
@ob_end_clean();
// required for IE, otherwise Content-Disposition may be ignored
if (ini_get('zlib.output_compression')) {
ini_set('zlib.output_compression', 'Off');
}
header('Pragma: no-cache');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Robots: none');
header('Content-Type: ' . $type);
header('Content-Description: File Transfer');
header('Content-Transfer-Encoding: binary');
if (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE')) {
// workaround for IE filename bug with multiple periods / multiple dots in filename
header('Content-Disposition: attachment; filename="' . preg_replace('/\\./', '%2e', basename($file), substr_count(basename($file), '.') - 1) . '";');
} else {
header('Content-Disposition: attachment; filename="' . basename($file) . '";');
}
if ($isRemote) {
header('Location: ' . $file);
} else {
if (file_exists($file)) {
header('Content-Length: ' . filesize($file));
readfile($file);
} else {
throw new Exception(__('File not found.', 'jigoshop'));
}
}
} catch (Exception $e) {
$this->messages->addError($e->getMessage());
$this->wp->redirectTo($this->options->getPageId(Pages::SHOP));
}
exit;
}
}
