/**
* @param Request $request
* @return Message
* @throws \AerialShip\LightSaml\Error\BindingException
*/
function receive(Request $request)
{
$post = $request->getPost();
if (array_key_exists('SAMLRequest', $post)) {
$msg = $post['SAMLRequest'];
} elseif (array_key_exists('SAMLResponse', $post)) {
$msg = $post['SAMLResponse'];
} else {
throw new BindingException('Missing SAMLRequest or SAMLResponse parameter');
}
$msg = base64_decode($msg);
$this->dispatchReceive($msg);
$doc = new \DOMDocument();
$doc->loadXML($msg);
$result = Message::fromXML($doc->firstChild);
if (array_key_exists('RelayState', $post)) {
$result->setRelayState($post['RelayState']);
}
return $result;
}
/**
* @param string $msg
* @return Message
*/
private function loadMessageFromXml($msg)
{
$doc = new \DOMDocument();
$doc->loadXML($msg);
$message = Message::fromXML($doc->firstChild);
return $message;
}