/**
* @param SS_HTTPRequest $req
* @return HTMLText
*/
public function download(SS_HTTPRequest $req)
{
// find the download link
$hash = $req->param('Hash');
if (empty($hash)) {
$this->httpError(400);
}
// bad request
$link = DownloadLink::get_by_hash($hash);
if (!$link || !$link->exists()) {
$this->httpError(403);
}
// access denied
// check that the order exists and is valid
$order = $link->Order();
if (!$order || !$order->exists() || !$order->DownloadsAvailable()) {
$this->httpError(403);
}
// check the the file still exists
$file = $link->File();
if (!$file || !$file->exists()) {
$this->httpError(404);
}
// if the file is under the "small file" tipping point, just pass it through
$smallSize = File::ini2bytes(Config::inst()->get('Downloadable', 'small_file_size'));
$fileSize = $file->getAbsoluteSize();
if ($fileSize < $smallSize) {
$this->addToLog($order->ID, $file);
$this->sendFile($file);
} else {
return $this->initiateOfflineProcessing(array($file), $order->ID);
}
}
