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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_XmlRpc
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Client.php 17759 2009-08-22 21:26:21Z lars $
*/
/**
* For handling the HTTP connection to the XML-RPC service
* @see Zend_Http_Client
*/
require_once 'Zend/Http/Client.php';
/**
* Enables object chaining for calling namespaced XML-RPC methods.
* @see Zend_XmlRpc_Client_ServerProxy
*/
require_once 'Zend/XmlRpc/Client/ServerProxy.php';
/**
* Introspects remote servers using the XML-RPC de facto system.* methods
* @see Zend_XmlRpc_Client_ServerIntrospection
*/
require_once 'Zend/XmlRpc/Client/ServerIntrospection.php';
/**
* Represent a native XML-RPC value, used both in sending parameters
* to methods and as the parameters retrieve from method calls
* @see Zend_XmlRpc_Value
*/
require_once 'Zend/XmlRpc/Value.php';
/**
* XML-RPC Request
* @see Zend_XmlRpc_Request
*/
require_once 'Zend/XmlRpc/Request.php';
/**
* XML-RPC Response
* @see Zend_XmlRpc_Response
*/
require_once 'Zend/XmlRpc/Response.php';
/**
* XML-RPC Fault
* @see Zend_XmlRpc_Fault
*/
require_once 'Zend/XmlRpc/Fault.php';
/**
* An XML-RPC client implementation
*
* @category Zend
* @package Zend_XmlRpc
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_XmlRpc_Client
{
/**
* Full address of the XML-RPC service
* @var string
* @example http://time.xmlrpc.com/RPC2
*/
protected $_serverAddress;
/**
* HTTP Client to use for requests
* @var Zend_Http_Client
*/
protected $_httpClient = null;
/**
* Introspection object
* @var Zend_Http_Client_Introspector
*/
protected $_introspector = null;
/**
* Request of the last method call
* @var Zend_XmlRpc_Request
*/
protected $_lastRequest = null;
/**
* Response received from the last method call
* @var Zend_XmlRpc_Response
*/
protected $_lastResponse = null;
/**
* Proxy object for more convenient method calls
* @var array of Zend_XmlRpc_Client_ServerProxy
*/
protected $_proxyCache = array();
/**
* Flag for skipping system lookup
* @var bool
*/
protected $_skipSystemLookup = false;
/**
* Create a new XML-RPC client to a remote server
*
* @param string $server Full address of the XML-RPC service
* (e.g. http://time.xmlrpc.com/RPC2)
* @param Zend_Http_Client $httpClient HTTP Client to use for requests
* @return void
*/
public function __construct($server, Zend_Http_Client $httpClient = null)
{
if ($httpClient === null) {
$this->_httpClient = new Zend_Http_Client();
} else {
$this->_httpClient = $httpClient;
}
$this->_introspector = new Zend_XmlRpc_Client_ServerIntrospection($this);
$this->_serverAddress = $server;
}
/**
* Sets the HTTP client object to use for connecting the XML-RPC server.
*
* @param Zend_Http_Client $httpClient
* @return Zend_Http_Client
*/
public function setHttpClient(Zend_Http_Client $httpClient)
{
return $this->_httpClient = $httpClient;
}
/**
* Gets the HTTP client object.
*
* @return Zend_Http_Client
*/
public function getHttpClient()
{
return $this->_httpClient;
}
/**
* Sets the object used to introspect remote servers
*
* @param Zend_XmlRpc_Client_ServerIntrospection
* @return Zend_XmlRpc_Client_ServerIntrospection
*/
public function setIntrospector(Zend_XmlRpc_Client_ServerIntrospection $introspector)
{
return $this->_introspector = $introspector;
}
/**
* Gets the introspection object.
*
* @return Zend_XmlRpc_Client_ServerIntrospection
*/
public function getIntrospector()
{
return $this->_introspector;
}
/**
* The request of the last method call
*
* @return Zend_XmlRpc_Request
*/
public function getLastRequest()
{
return $this->_lastRequest;
}
/**
* The response received from the last method call
*
* @return Zend_XmlRpc_Response
*/
public function getLastResponse()
{
return $this->_lastResponse;
}
/**
* Returns a proxy object for more convenient method calls
*
* @param $namespace Namespace to proxy or empty string for none
* @return Zend_XmlRpc_Client_ServerProxy
*/
public function getProxy($namespace = '')
{
if (empty($this->_proxyCache[$namespace])) {
$proxy = new Zend_XmlRpc_Client_ServerProxy($this, $namespace);
$this->_proxyCache[$namespace] = $proxy;
}
return $this->_proxyCache[$namespace];
}
/**
* Set skip system lookup flag
*
* @param bool $flag
* @return Zend_XmlRpc_Client
*/
public function setSkipSystemLookup($flag = true)
{
$this->_skipSystemLookup = (bool) $flag;
return $this;
}
/**
* Skip system lookup when determining if parameter should be array or struct?
*
* @return bool
*/
public function skipSystemLookup()
{
return $this->_skipSystemLookup;
}
/**
* Perform an XML-RPC request and return a response.
*
* @param Zend_XmlRpc_Request $request
* @param null|Zend_XmlRpc_Response $response
* @return void
* @throws Zend_XmlRpc_Client_HttpException
*/
public function doRequest($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: Zend_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 Zend_XmlRpc_Client_HttpException
*/
require_once 'Zend/XmlRpc/Client/HttpException.php';
throw new Zend_XmlRpc_Client_HttpException(
$httpResponse->getMessage(),
$httpResponse->getStatus());
}
if ($response === null) {
$response = new Zend_XmlRpc_Response();
}
$this->_lastResponse = $response;
$this->_lastResponse->loadXml($httpResponse->getBody());
}
/**
* Send an XML-RPC request to the service (for a specific method)
*
* @param string $method Name of the method we want to call
* @param array $params Array of parameters for the method
* @return mixed
* @throws Zend_XmlRpc_Client_FaultException
*/
public function call($method, $params=array())
{
if (!$this->skipSystemLookup() && ('system.' != substr($method, 0, 7))) {
// Ensure empty array/struct params are cast correctly
// If system.* methods are not available, bypass. (ZF-2978)
$success = true;
try {
$signatures = $this->getIntrospector()->getMethodSignature($method);
} catch (Zend_XmlRpc_Exception $e) {
$success = false;
}
if ($success) {
$validTypes = array(
Zend_XmlRpc_Value::XMLRPC_TYPE_ARRAY,
Zend_XmlRpc_Value::XMLRPC_TYPE_BASE64,
Zend_XmlRpc_Value::XMLRPC_TYPE_BOOLEAN,
Zend_XmlRpc_Value::XMLRPC_TYPE_DATETIME,
Zend_XmlRpc_Value::XMLRPC_TYPE_DOUBLE,
Zend_XmlRpc_Value::XMLRPC_TYPE_I4,
Zend_XmlRpc_Value::XMLRPC_TYPE_INTEGER,
Zend_XmlRpc_Value::XMLRPC_TYPE_NIL,
Zend_XmlRpc_Value::XMLRPC_TYPE_STRING,
Zend_XmlRpc_Value::XMLRPC_TYPE_STRUCT,
);
$params = (array)$params;
foreach ($params as $key => $param) {
$type = Zend_XmlRpc_Value::AUTO_DETECT_TYPE;
foreach ($signatures as $signature) {
if (!is_array($signature)) {
continue;
}
if (isset($signature['parameters'][$key])) {
$type = $signature['parameters'][$key];
$type = in_array($type, $validTypes) ? $type : Zend_XmlRpc_Value::AUTO_DETECT_TYPE;
}
}
$params[$key] = Zend_XmlRpc_Value::getXmlRpcValue($param, $type);
}
}
}
$request = $this->_createRequest($method, $params);
$this->doRequest($request);
if ($this->_lastResponse->isFault()) {
$fault = $this->_lastResponse->getFault();
/**
* Exception thrown when an XML-RPC fault is returned
* @see Zend_XmlRpc_Client_FaultException
*/
require_once 'Zend/XmlRpc/Client/FaultException.php';
throw new Zend_XmlRpc_Client_FaultException($fault->getMessage(),
$fault->getCode());
}
return $this->_lastResponse->getReturnValue();
}
/**
* Create request object
*
* @return Zend_XmlRpc_Request
*/
protected function _createRequest($method, $params)
{
return new Zend_XmlRpc_Request($method, $params);
}
}
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