/**
* @param RequestInterface $request
*/
public function postSubmitAction(RequestInterface $request)
{
$referer = $request->getHeader('Referer');
$validationKey = $request->getAttribute('validationKey');
// if validation has already failed once, the form's URL will
// include the validation details and therefore produce a new
// sha1 hash, so we need to strip the validation out if it
// exists
if (strpos($referer, $validationKey . '=') !== false) {
$url = parse_url($referer);
if (isset($url['query'])) {
$query = explode('&', $url['query']);
foreach ($query as $i => $kv) {
if (strpos($kv, $validationKey . '=') === 0) {
unset($query[$i]);
break;
}
}
$url['query'] = implode('&', $query);
}
$referer = $this->assembleUrl($url);
$request = $request->withHeader('Referer', $referer);
}
$form = new Form($request, $request->getAttribute('cacheDir'));
// validate the form, if it fails, redirect back to the form
// URL with a base64 encoded JSON string in the query string
// detailing why validation failed
if (!$form->validate()) {
// build the base64 encoded json string
$details = urlencode(base64_encode(json_encode($form->getValidationErrors())));
$url = parse_url($form->getUrl());
$query = [];
if (isset($url['query'])) {
$query = explode('&', $url['query']);
}
$query[] = $validationKey . '=' . $details;
$url['query'] = implode('&', $query);
$urlstr = $this->assembleUrl($url);
// generate the response to redirect the user back to the form URL
$response = new Response('Form failed validation', 303, 'text/plain');
$response->setHeader('Location', $urlstr);
// by returning, we prevent anything else from running
return $response;
}
$form->process();
$nexturl = $form->getNextUrl();
if (!isset($nexturl) || empty($nexturl)) {
$prefix = str_replace('/index.php', '', $request->getAttribute('uriPrefix'));
$nexturl = $prefix . '/public/thanks.html';
}
$response = new Response('Form submitted', 303, 'text/plain');
$response->setHeader('Location', $nexturl);
return $response;
}
