<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\XmlRpc;
use DOMDocument;
use SimpleXMLElement;
use Zend\Stdlib\ErrorHandler;
/**
* XmlRpc Request object
*
* Encapsulates an XmlRpc request, holding the method call and all parameters.
* Provides accessors for these, as well as the ability to load from XML and to
* create the XML request string.
*
* Additionally, if errors occur setting the method or parsing XML, a fault is
* generated and stored in {@link $fault}; developers may check for it using
* {@link isFault()} and {@link getFault()}.
*/
class Request
{
/**
* Request character encoding
* @var string
*/
protected $encoding = 'UTF-8';
/**
* Method to call
* @var string
*/
protected $method;
/**
* XML request
* @var string
*/
protected $xml;
/**
* Method parameters
* @var array
*/
protected $params = array();
/**
* Fault object, if any
* @var \Zend\XmlRpc\Fault
*/
protected $fault = null;
/**
* XML-RPC type for each param
* @var array
*/
protected $types = array();
/**
* XML-RPC request params
* @var array
*/
protected $xmlRpcParams = array();
/**
* Create a new XML-RPC request
*
* @param string $method (optional)
* @param array $params (optional)
*/
public function __construct($method = null, $params = null)
{
if ($method !== null) {
$this->setMethod($method);
}
if ($params !== null) {
$this->setParams($params);
}
}
/**
* Set encoding to use in request
*
* @param string $encoding
* @return \Zend\XmlRpc\Request
*/
public function setEncoding($encoding)
{
$this->encoding = $encoding;
AbstractValue::setEncoding($encoding);
return $this;
}
/**
* Retrieve current request encoding
*
* @return string
*/
public function getEncoding()
{
return $this->encoding;
}
/**
* Set method to call
*
* @param string $method
* @return bool Returns true on success, false if method name is invalid
*/
public function setMethod($method)
{
if (!is_string($method) || !preg_match('/^[a-z0-9_.:\\\\\/]+$/i', $method)) {
$this->fault = new Fault(634, 'Invalid method name ("' . $method . '")');
$this->fault->setEncoding($this->getEncoding());
return false;
}
$this->method = $method;
return true;
}
/**
* Retrieve call method
*
* @return string
*/
public function getMethod()
{
return $this->method;
}
/**
* Add a parameter to the parameter stack
*
* Adds a parameter to the parameter stack, associating it with the type
* $type if provided
*
* @param mixed $value
* @param string $type Optional; type hinting
* @return void
*/
public function addParam($value, $type = null)
{
$this->params[] = $value;
if (null === $type) {
// Detect type if not provided explicitly
if ($value instanceof AbstractValue) {
$type = $value->getType();
} else {
$xmlRpcValue = AbstractValue::getXmlRpcValue($value);
$type = $xmlRpcValue->getType();
}
}
$this->types[] = $type;
$this->xmlRpcParams[] = array('value' => $value, 'type' => $type);
}
/**
* Set the parameters array
*
* If called with a single, array value, that array is used to set the
* parameters stack. If called with multiple values or a single non-array
* value, the arguments are used to set the parameters stack.
*
* Best is to call with array of the format, in order to allow type hinting
* when creating the XMLRPC values for each parameter:
* <code>
* $array = array(
* array(
* 'value' => $value,
* 'type' => $type
* )[, ... ]
* );
* </code>
*
* @access public
* @return void
*/
public function setParams()
{
$argc = func_num_args();
$argv = func_get_args();
if (0 == $argc) {
return;
}
if ((1 == $argc) && is_array($argv[0])) {
$params = array();
$types = array();
$wellFormed = true;
foreach ($argv[0] as $arg) {
if (!is_array($arg) || !isset($arg['value'])) {
$wellFormed = false;
break;
}
$params[] = $arg['value'];
if (!isset($arg['type'])) {
$xmlRpcValue = AbstractValue::getXmlRpcValue($arg['value']);
$arg['type'] = $xmlRpcValue->getType();
}
$types[] = $arg['type'];
}
if ($wellFormed) {
$this->xmlRpcParams = $argv[0];
$this->params = $params;
$this->types = $types;
} else {
$this->params = $argv[0];
$this->types = array();
$xmlRpcParams = array();
foreach ($argv[0] as $arg) {
if ($arg instanceof AbstractValue) {
$type = $arg->getType();
} else {
$xmlRpcValue = AbstractValue::getXmlRpcValue($arg);
$type = $xmlRpcValue->getType();
}
$xmlRpcParams[] = array('value' => $arg, 'type' => $type);
$this->types[] = $type;
}
$this->xmlRpcParams = $xmlRpcParams;
}
return;
}
$this->params = $argv;
$this->types = array();
$xmlRpcParams = array();
foreach ($argv as $arg) {
if ($arg instanceof AbstractValue) {
$type = $arg->getType();
} else {
$xmlRpcValue = AbstractValue::getXmlRpcValue($arg);
$type = $xmlRpcValue->getType();
}
$xmlRpcParams[] = array('value' => $arg, 'type' => $type);
$this->types[] = $type;
}
$this->xmlRpcParams = $xmlRpcParams;
}
/**
* Retrieve the array of parameters
*
* @return array
*/
public function getParams()
{
return $this->params;
}
/**
* Return parameter types
*
* @return array
*/
public function getTypes()
{
return $this->types;
}
/**
* Load XML and parse into request components
*
* @param string $request
* @throws Exception\ValueException if invalid XML
* @return bool True on success, false if an error occurred.
*/
public function loadXml($request)
{
if (!is_string($request)) {
$this->fault = new Fault(635);
$this->fault->setEncoding($this->getEncoding());
return false;
}
// @see ZF-12293 - disable external entities for security purposes
$loadEntities = libxml_disable_entity_loader(true);
$xmlErrorsFlag = libxml_use_internal_errors(true);
try {
$dom = new DOMDocument;
$dom->loadXML($request);
foreach ($dom->childNodes as $child) {
if ($child->nodeType === XML_DOCUMENT_TYPE_NODE) {
throw new Exception\ValueException(
'Invalid XML: Detected use of illegal DOCTYPE'
);
}
}
ErrorHandler::start();
$xml = simplexml_import_dom($dom);
$error = ErrorHandler::stop();
libxml_disable_entity_loader($loadEntities);
libxml_use_internal_errors($xmlErrorsFlag);
} catch (\Exception $e) {
// Not valid XML
$this->fault = new Fault(631);
$this->fault->setEncoding($this->getEncoding());
libxml_disable_entity_loader($loadEntities);
libxml_use_internal_errors($xmlErrorsFlag);
return false;
}
if (!$xml instanceof SimpleXMLElement || $error) {
// Not valid XML
$this->fault = new Fault(631);
$this->fault->setEncoding($this->getEncoding());
libxml_use_internal_errors($xmlErrorsFlag);
return false;
}
// Check for method name
if (empty($xml->methodName)) {
// Missing method name
$this->fault = new Fault(632);
$this->fault->setEncoding($this->getEncoding());
return false;
}
$this->method = (string) $xml->methodName;
// Check for parameters
if (!empty($xml->params)) {
$types = array();
$argv = array();
foreach ($xml->params->children() as $param) {
if (!isset($param->value)) {
$this->fault = new Fault(633);
$this->fault->setEncoding($this->getEncoding());
return false;
}
try {
$param = AbstractValue::getXmlRpcValue($param->value, AbstractValue::XML_STRING);
$types[] = $param->getType();
$argv[] = $param->getValue();
} catch (\Exception $e) {
$this->fault = new Fault(636);
$this->fault->setEncoding($this->getEncoding());
return false;
}
}
$this->types = $types;
$this->params = $argv;
}
$this->xml = $request;
return true;
}
/**
* Does the current request contain errors and should it return a fault
* response?
*
* @return bool
*/
public function isFault()
{
return $this->fault instanceof Fault;
}
/**
* Retrieve the fault response, if any
*
* @return null|\Zend\XmlRpc\Fault
*/
public function getFault()
{
return $this->fault;
}
/**
* Retrieve method parameters as XMLRPC values
*
* @return array
*/
protected function _getXmlRpcParams()
{
$params = array();
if (is_array($this->xmlRpcParams)) {
foreach ($this->xmlRpcParams as $param) {
$value = $param['value'];
$type = $param['type'] ?: AbstractValue::AUTO_DETECT_TYPE;
if (!$value instanceof AbstractValue) {
$value = AbstractValue::getXmlRpcValue($value, $type);
}
$params[] = $value;
}
}
return $params;
}
/**
* Create XML request
*
* @return string
*/
public function saveXml()
{
$args = $this->_getXmlRpcParams();
$method = $this->getMethod();
$generator = AbstractValue::getGenerator();
$generator->openElement('methodCall')
->openElement('methodName', $method)
->closeElement('methodName');
if (is_array($args) && count($args)) {
$generator->openElement('params');
foreach ($args as $arg) {
$generator->openElement('param');
$arg->generateXml();
$generator->closeElement('param');
}
$generator->closeElement('params');
}
$generator->closeElement('methodCall');
return $generator->flush();
}
/**
* Return XML request
*
* @return string
*/
public function __toString()
{
return $this->saveXML();
}
}
| # |
Change |
User |
Description |
Committed |
|
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#1
|
18334 |
Liz Lam |
initial add of jambox |
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