/**
* @param \DOMElement $xml
* @throws \AerialShip\LightSaml\Error\InvalidXmlException
*/
function loadFromXml(\DOMElement $xml)
{
parent::loadFromXml($xml);
if ($xml->hasAttribute('InResponseTo')) {
$this->setInResponseTo($xml->getAttribute('InResponseTo'));
}
$this->iterateChildrenElements($xml, function (\DOMElement $node) {
if ($node->localName == 'Status' && $node->namespaceURI == Protocol::SAML2) {
$this->setStatus(new Status());
$this->getStatus()->loadFromXml($node);
}
});
if (!$this->getStatus()) {
throw new InvalidXmlException('Missing Status element');
}
}
/**
* @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
* @param Message $message
* @return string
*/
private function getDestinationUrl($msg, Message $message)
{
$destination = $message->getDestination() ?: $this->getDestination();
if (strpos($destination, '?') === FALSE) {
$destination .= '?' . $msg;
} else {
$destination .= '&' . $msg;
}
return $destination;
}