/**
* Handle jid.
*
* @param XMLEvent $event
* @return void
*/
public function jid(XMLEvent $event)
{
/* @var $element \DOMDocument */
$element = $event->getParameter(0);
$jid = $element->nodeValue;
$this->getOptions()->setJid($jid);
$this->blocking = false;
}
/**
* Stream server.
*
* @param XMLEvent $event XMLEvent
* @return void
*/
public function streamServer(XMLEvent $event)
{
if (false === $event->isStartTag()) {
$this->blocking = false;
if ($this->getConnection()->isConnected()) {
$this->getConnection()->disconnect();
}
}
}
/**
* Handle iq event.
*
* @param XMLEvent $event
* @retrun void
*/
public function iq(XMLEvent $event)
{
if ($event->isEndTag()) {
/* @var $element \DOMElement */
$element = $event->getParameter(0);
if ($this->getId() === $element->getAttribute('id')) {
$this->blocking = false;
}
}
}
/**
* Handle session event.
*
* @param XMLEvent $event
* @return void
*/
protected function respondeToFeatures(XMLEvent $event, $data)
{
if ($event->isEndTag()) {
/* @var $element \DOMElement */
$element = $event->getParameter(0);
// bind element occured in <features>
if ('features' === $element->parentNode->localName) {
$this->blocking = true;
$this->getConnection()->send(sprintf($data, $this->getId()));
}
}
}
/**
* Start TLS response.
*
* @param XMLEvent $event XMLEvent object
* @return void
*/
public function proceed(XMLEvent $event)
{
if (false === $event->isStartTag()) {
$this->blocking = false;
$connection = $this->getConnection();
if ($connection instanceof SocketConnectionInterface) {
$connection->getSocket()->crypto(true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT);
}
$connection->resetStreams();
$connection->connect();
}
}
/**
* Create exception from XMLEvent object.
*
* @param \Xmppbot\Core\Event\XMLEvent $event XMLEvent object
* @return static
*/
public static function createFromEvent(XMLEvent $event)
{
/* @var $element \DOMElement */
list($element) = $event->getParameters();
/* @var $first \DOMElement */
$first = $element->firstChild;
if (null !== $first && XML_ELEMENT_NODE === $first->nodeType) {
$message = 'Stream Error: "' . $first->localName . '"';
} else {
$message = 'Generic stream error';
}
$exception = new static($message);
$exception->setContent($element->ownerDocument->saveXML($element));
return $exception;
}
/**
* Result received.
*
* @param \Xmppbot\Core\Event\XMLEvent $event
* @return void
*/
public function result(XMLEvent $event)
{
if ($event->isEndTag()) {
$users = array();
/* @var $element \DOMElement */
$element = $event->getParameter(0);
$items = $element->getElementsByTagName('item');
/* @var $item \DOMElement */
foreach ($items as $item) {
$user = clone $this->getUserObject();
$user->setName($item->getAttribute('name'))->setJid($item->getAttribute('jid'))->setSubscription($item->getAttribute('subscription'));
$groups = $item->getElementsByTagName('group');
foreach ($groups as $group) {
$user->addGroup($group->nodeValue);
}
$users[] = $user;
}
$this->getOptions()->setUsers($users);
$this->blocking = false;
}
}
/**
* Authentication successful.
*
* @param XMLEvent $event
*/
public function success(XMLEvent $event)
{
if (false === $event->isStartTag()) {
$this->blocking = false;
$connection = $this->getConnection();
$connection->resetStreams();
$connection->connect();
$this->getOptions()->setAuthenticated(true);
}
}
/**
* Throws an exception when stream error comes from input stream.
*
* @param \Xmppbot\Core\Event\XMLEvent $event
* @throws StreamErrorException
*/
public function error(XMLEvent $event)
{
if (false === $event->isStartTag()) {
throw StreamErrorException::createFromEvent($event);
}
}
/**
* Challenge string received.
*
* @param XMLEvent $event XML event
* @return void
*/
public function challenge(XMLEvent $event)
{
if ($event->isEndTag()) {
list($element) = $event->getParameters();
$challenge = XML::base64Decode($element->nodeValue);
$values = $this->parseCallenge($challenge);
if (isset($values['nonce'])) {
$send = '<response xmlns="urn:ietf:params:xml:ns:xmpp-sasl">' . $this->response($values) . '</response>';
} elseif (isset($values['rspauth'])) {
$send = '<response xmlns="urn:ietf:params:xml:ns:xmpp-sasl"/>';
} else {
throw new AuthenticationErrorException("Error when receiving challenge: \"{$challenge}\"");
}
$this->getConnection()->send($send);
}
}
