/**
* Handles product file download requests
*
* @author Jonathan Davis
* @since 1.1
*
* @return void
**/
public function download()
{
$Shopp = Shopp::object();
$download = $this->request['shopp_download'];
$Purchase = false;
$Purchased = false;
if (defined('WP_ADMIN')) {
$forbidden = false;
$Download = new ProductDownload($download);
} else {
$Order = ShoppOrder();
$accounts = 'none' != shopp_setting('account_system');
$Download = new ProductDownload();
$Download->loadby_dkey($download);
$Purchased = $Download->purchased();
$Purchase = new ShoppPurchase($Purchased->purchase);
$Purchase->load_events();
$name = $Purchased->name . (!empty($Purchased->optionlabel) ? ' (' . $Purchased->optionlabel . ')' : '');
$forbidden = false;
// Voided orders
if ($Purchase->isvoid()) {
shopp_add_error(Shopp::__('"%s" cannot be downloaded because the order has been cancelled.', $name));
$forbidden = true;
}
// Purchase Completion check
if (!$Purchase->ispaid() && !SHOPP_PREPAYMENT_DOWNLOADS) {
shopp_add_error(Shopp::__('"%s" cannot be downloaded because payment has not been received yet.', $name));
$forbidden = true;
}
// If accounts are used and this is not a guest account
if ($accounts && Shopp::__('Guest') != ShoppCustomer()->type) {
// User must be logged in when accounts are being used
if (!ShoppCustomer()->loggedin()) {
shopp_add_error(Shopp::__('You must login to download purchases.'));
$forbidden = true;
}
// Logged in account must be the owner of the purchase
if (ShoppCustomer()->id != $Purchase->customer) {
shopp_add_error(Shopp::__('You are not authorized to download the requested file.'));
$forbidden = true;
}
}
// Download limit checking
if (shopp_setting('download_limit') && $Purchased->downloads + 1 > shopp_setting('download_limit')) {
shopp_add_error(Shopp::__('"%s" is no longer available for download because the download limit has been reached.', $name));
$forbidden = true;
}
// Download expiration checking
if (shopp_setting('download_timelimit') && $Purchased->created + shopp_setting('download_timelimit') < current_time('timestamp')) {
shopp_add_error(Shopp::__('"%s" is no longer available for download because it has expired.', 'Shopp', $name));
$forbidden = true;
}
// IP restriction checks
if ('ip' == shopp_setting('download_restriction') && !empty($Purchase->ip) && $Purchase->ip != $_SERVER['REMOTE_ADDR']) {
shopp_add_error(Shopp::__('"%s" cannot be downloaded because your computer could not be verified as the system the file was purchased from.', $name));
$forbidden = true;
}
do_action_ref_array('shopp_download_request', array($Purchased));
}
if (apply_filters('shopp_download_forbidden', $forbidden, $Purchased)) {
Shopp::redirect(add_query_arg('downloads', '', Shopp::url(false, 'account')), true, 303);
}
// Send the download
$download = $Download->download();
if (is_a($download, 'ShoppError')) {
// If the result is an error redirect to the account downloads page
Shopp::redirect(add_query_arg('downloads', '', Shopp::url(false, 'account')), true, 303);
} else {
do_action_ref_array('shopp_download_success', array($Purchased, $Purchase, $Download));
// @deprecated use shopp_download_order_event instead
shopp_add_order_event($Purchase->id, 'download', array('purchased' => $Purchased->id, 'download' => $Download->id, 'ip' => ShoppShopping()->ip, 'customer' => ShoppCustomer()->id));
}
exit;
}
