/**
* Checks if the request is a client callback to the
* server and initializes callback parameters.
*
* @access public
*
* @return bool true if the request is a valid client callback,
* false otherwise.
*
* @static
*
*/
public static function initializeCallback()
{
if (!XOAD_Server::notifyObservers('initializeCallbackEnter')) {
return false;
}
if (isset($_GET['xoadCall'])) {
if (strcasecmp($_GET['xoadCall'], 'true') == 0) {
if (!isset($GLOBALS['HTTP_RAW_POST_DATA'])) {
return false;
}
$requestBody = @unserialize($GLOBALS['HTTP_RAW_POST_DATA']);
if ($requestBody == null) {
return false;
}
if (isset($requestBody['eventPost']) && isset($requestBody['className']) && isset($requestBody['sender']) && isset($requestBody['event']) && array_key_exists('data', $requestBody) && array_key_exists('filter', $requestBody)) {
if (XOAD_Utilities::getType($requestBody['eventPost']) != 'bool' || XOAD_Utilities::getType($requestBody['className']) != 'string' || XOAD_Utilities::getType($requestBody['sender']) != 'string' || XOAD_Utilities::getType($requestBody['event']) != 'string') {
return false;
}
if (!empty($requestBody['className'])) {
XOAD_Server::loadClass($requestBody['className']);
} else {
return false;
}
if (!XOAD_Server::isClassAllowed($requestBody['className'])) {
return false;
}
$requestBody['sender'] = @unserialize($requestBody['sender']);
if ($requestBody['sender'] === null) {
return false;
}
if (strcasecmp(get_class($requestBody['sender']), $requestBody['className']) != 0) {
return false;
}
if (!XOAD_Server::notifyObservers('initializeCallbackSuccess', array('request' => &$requestBody))) {
return false;
}
$GLOBALS['_XOAD_SERVER_REQUEST_BODY'] =& $requestBody;
if (XOAD_Server::notifyObservers('initializeCallbackLeave', array('request' => &$requestBody))) {
return true;
}
} else {
if (isset($requestBody['eventsCallback']) && isset($requestBody['time']) && isset($requestBody['data'])) {
if (XOAD_Utilities::getType($requestBody['eventsCallback']) != 'bool' || XOAD_Utilities::getType($requestBody['time']) != 'float' || XOAD_Utilities::getType($requestBody['data']) != 's_array') {
return false;
}
foreach ($requestBody['data'] as $eventData) {
if (!empty($eventData['className'])) {
XOAD_Server::loadClass($eventData['className']);
} else {
return false;
}
if (!XOAD_Server::isClassAllowed($eventData['className'])) {
return false;
}
}
if (!XOAD_Server::notifyObservers('initializeCallbackSuccess', array('request' => &$requestBody))) {
return false;
}
$GLOBALS['_XOAD_SERVER_REQUEST_BODY'] =& $requestBody;
if (XOAD_Server::notifyObservers('initializeCallbackLeave', array('request' => &$requestBody))) {
return true;
}
} else {
if (!isset($requestBody['source']) || !isset($requestBody['className']) || !isset($requestBody['method']) || !isset($requestBody['arguments'])) {
return false;
}
if (!empty($requestBody['className'])) {
XOAD_Server::loadClass($requestBody['className']);
}
$requestBody['source'] = @unserialize($requestBody['source']);
$requestBody['arguments'] = @unserialize($requestBody['arguments']);
if ($requestBody['source'] === null || $requestBody['className'] === null || $requestBody['arguments'] === null) {
return false;
}
if (XOAD_Utilities::getType($requestBody['source']) != 'object' || XOAD_Utilities::getType($requestBody['className']) != 'string' || XOAD_Utilities::getType($requestBody['method']) != 'string' || XOAD_Utilities::getType($requestBody['arguments']) != 's_array') {
return false;
}
if (strcasecmp($requestBody['className'], get_class($requestBody['source'])) != 0) {
return false;
}
if (!XOAD_Server::isClassAllowed($requestBody['className'])) {
return false;
}
if (method_exists($requestBody['source'], XOAD_CLIENT_METADATA_METHOD_NAME)) {
call_user_func_array(array(&$requestBody['source'], XOAD_CLIENT_METADATA_METHOD_NAME), array());
if (isset($requestBody['source']->xoadMeta)) {
if (XOAD_Utilities::getType($requestBody['source']->xoadMeta) == 'object') {
if (strcasecmp(get_class($requestBody['source']->xoadMeta), 'XOAD_Meta') == 0) {
if (!$requestBody['source']->xoadMeta->isPublicMethod($requestBody['method'])) {
return false;
}
}
}
}
}
if (!XOAD_Server::notifyObservers('initializeCallbackSuccess', array('request' => &$requestBody))) {
return false;
}
$GLOBALS['_XOAD_SERVER_REQUEST_BODY'] =& $requestBody;
if (XOAD_Server::notifyObservers('initializeCallbackLeave', array('request' => &$requestBody))) {
return true;
}
}
}
}
}
XOAD_Server::notifyObservers('initializeCallbackLeave');
return false;
}
