/**
* Handle an xmlrpc call (actual work)
*
* @param Polycast_XmlRpc_Request $request
* @return Polycast_XmlRpc_Response
* @throws Zend_XmlRpcServer_Exception|Exception
* Zend_XmlRpcServer_Exceptions are thrown for internal errors; otherwise,
* any other exception may be thrown by the callback
*/
protected function _handle(Polycast_XmlRpc_Request $request)
{
$method = $request->getMethod();
// Check for valid method
if (!$this->_table->hasMethod($method)) {
require_once 'Polycast/XmlRpc/Server/Exception.php';
throw new Polycast_XmlRpc_Server_Exception('Method "' . $method . '" does not exist', 620);
}
$info = $this->_table->getMethod($method);
$params = $request->getParams();
$argv = $info->getInvokeArguments();
if (0 < count($argv) and $this->sendArgumentsToAllMethods()) {
$params = array_merge($params, $argv);
}
// Check calling parameters against signatures
$matched = false;
$sigCalled = $request->getTypes();
$sigLength = count($sigCalled);
$paramsLen = count($params);
if ($sigLength < $paramsLen) {
for ($i = $sigLength; $i < $paramsLen; ++$i) {
$xmlRpcValue = Polycast_XmlRpc_Value::getXmlRpcValue($params[$i]);
$sigCalled[] = $xmlRpcValue->getType();
}
}
$signatures = $info->getPrototypes();
foreach ($signatures as $signature) {
$sigParams = $signature->getParameters();
if ($sigCalled === $sigParams) {
$matched = true;
break;
}
}
if (!$matched) {
require_once 'Polycast/XmlRpc/Server/Exception.php';
throw new Polycast_XmlRpc_Server_Exception('Calling parameters do not match signature', 623);
}
$return = $this->_dispatch($info, $params);
$responseClass = $this->getResponseClass();
return new $responseClass($return);
}
/**
* Multicall - boxcar feature of XML-RPC for calling multiple methods
* in a single request.
*
* Expects a an array of structs representing method calls, each element
* having the keys:
* - methodName
* - params
*
* Returns an array of responses, one for each method called, with the value
* returned by the method. If an error occurs for a given method, returns a
* struct with a fault response.
*
* @see http://www.xmlrpc.com/discuss/msgReader$1208
* @param array $methods
* @return array
*/
public function multicall($methods)
{
$responses = array();
foreach ($methods as $method) {
$fault = false;
if (!is_array($method)) {
$fault = $this->_server->fault('system.multicall expects each method to be a struct', 601);
} elseif (!isset($method['methodName'])) {
$fault = $this->_server->fault('Missing methodName: ' . var_export($methods, 1), 602);
} elseif (!isset($method['params'])) {
$fault = $this->_server->fault('Missing params', 603);
} elseif (!is_array($method['params'])) {
$fault = $this->_server->fault('Params must be an array', 604);
} else {
if ('system.multicall' == $method['methodName']) {
// don't allow recursive calls to multicall
$fault = $this->_server->fault('Recursive system.multicall forbidden', 605);
}
}
if (!$fault) {
try {
$request = new Polycast_XmlRpc_Request();
$request->setMethod($method['methodName']);
$request->setParams($method['params']);
$response = $this->_server->handle($request);
if ($response instanceof Polycast_XmlRpc_Fault || $response->isFault()) {
$fault = $response;
} else {
$responses[] = $response->getReturnValue();
}
} catch (Exception $e) {
$fault = $this->_server->fault($e);
}
}
if ($fault) {
$responses[] = array('faultCode' => $fault->getCode(), 'faultString' => $fault->getMessage());
}
}
return $responses;
}
/**
* Perform an XML-RPC request and return a response.
*
* @param Polycast_XmlRpc_Request $request
* @param null|Polycast_XmlRpc_Response $response
* @return void
* @throws Polycast_XmlRpc_Client_HttpException
*/
public function doRequest($request, $response = null)
{
$this->_lastRequest = $request;
iconv_set_encoding('input_encoding', 'UTF-8');
iconv_set_encoding('output_encoding', 'UTF-8');
iconv_set_encoding('internal_encoding', 'UTF-8');
$http = $this->getHttpClient();
if ($http->getUri() === null) {
$http->setUri($this->_serverAddress);
}
$http->setHeaders(array('Content-Type: text/xml; charset=utf-8', 'Accept: text/xml'));
if ($http->getHeader('user-agent') === null) {
$http->setHeaders(array('User-Agent: Polycast_XmlRpc_Client'));
}
$xml = $this->_lastRequest->__toString();
$http->setRawData($xml);
$httpResponse = $http->request(Zend_Http_Client::POST);
if (!$httpResponse->isSuccessful()) {
/**
* Exception thrown when an HTTP error occurs
* @see Polycast_XmlRpc_Client_HttpException
*/
require_once 'Polycast/XmlRpc/Client/HttpException.php';
throw new Polycast_XmlRpc_Client_HttpException($httpResponse->getMessage(), $httpResponse->getStatus());
}
if ($response === null) {
$response = new Polycast_XmlRpc_Response();
}
$this->_lastResponse = $response;
$this->_lastResponse->loadXml($httpResponse->getBody());
}
