/**
* Handles request
* @return mixed true on success, array of errors on handle failure
* @throws PostFormException
*/
function handle(WebRequest $request)
{
if (!$request->getRequestMethod()->equals($this->getMethod())) {
throw new PostFormException("Wrong request method");
}
$variables = array_replace($request->getPostVars(), $request->getFilesVars());
$signName = $this->getSignatureFieldName();
if (!isset($variables[$signName])) {
throw new PostFormException('Missing signature');
}
if (!$this->importSignature($variables[$signName])) {
throw new PostFormException('Malformed signature');
}
if (isset($this->privateValues['referrer'])) {
if ($this->privateValues['referrer'] != (string) $request->getHttpReferer()) {
throw new PostFormException('Unexpected referrer `' . $this->privateValues['referrer'] . '`, expected `' . $request->getHttpReferer() . '`');
}
}
foreach ($this->buttons as $id => $callback) {
if (isset($variables[$id]) && is_callable($callback)) {
call_user_func($callback, $variables);
return;
}
}
$this->process($variables);
}
