568 Zeilen
16 KiB
PHP
568 Zeilen
16 KiB
PHP
<?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_Json
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id$
|
|
*/
|
|
|
|
/**
|
|
* @see Zend_Server_Abstract
|
|
*/
|
|
require_once 'Zend/Server/Abstract.php';
|
|
|
|
/**
|
|
* @category Zend
|
|
* @package Zend_Json
|
|
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Json_Server extends Zend_Server_Abstract
|
|
{
|
|
/**#@+
|
|
* Version Constants
|
|
*/
|
|
const VERSION_1 = '1.0';
|
|
const VERSION_2 = '2.0';
|
|
/**#@-*/
|
|
|
|
/**
|
|
* Flag: whether or not to auto-emit the response
|
|
* @var bool
|
|
*/
|
|
protected $_autoEmitResponse = true;
|
|
|
|
/**
|
|
* @var bool Flag; allow overwriting existing methods when creating server definition
|
|
*/
|
|
protected $_overwriteExistingMethods = true;
|
|
|
|
/**
|
|
* Request object
|
|
* @var Zend_Json_Server_Request
|
|
*/
|
|
protected $_request;
|
|
|
|
/**
|
|
* Response object
|
|
* @var Zend_Json_Server_Response
|
|
*/
|
|
protected $_response;
|
|
|
|
/**
|
|
* SMD object
|
|
* @var Zend_Json_Server_Smd
|
|
*/
|
|
protected $_serviceMap;
|
|
|
|
/**
|
|
* SMD class accessors
|
|
* @var array
|
|
*/
|
|
protected $_smdMethods;
|
|
|
|
/**
|
|
* @var Zend_Server_Description
|
|
*/
|
|
protected $_table;
|
|
|
|
/**
|
|
* Attach a function or callback to the server
|
|
*
|
|
* @param string|array $function Valid PHP callback
|
|
* @param string $namespace Ignored
|
|
* @return Zend_Json_Server
|
|
*/
|
|
public function addFunction($function, $namespace = '')
|
|
{
|
|
if (!is_string($function) && (!is_array($function) || (2 > count($function)))) {
|
|
require_once 'Zend/Json/Server/Exception.php';
|
|
throw new Zend_Json_Server_Exception('Unable to attach function; invalid');
|
|
}
|
|
|
|
if (!is_callable($function)) {
|
|
require_once 'Zend/Json/Server/Exception.php';
|
|
throw new Zend_Json_Server_Exception('Unable to attach function; does not exist');
|
|
}
|
|
|
|
$argv = null;
|
|
if (2 < func_num_args()) {
|
|
$argv = func_get_args();
|
|
$argv = array_slice($argv, 2);
|
|
}
|
|
|
|
require_once 'Zend/Server/Reflection.php';
|
|
if (is_string($function)) {
|
|
$method = Zend_Server_Reflection::reflectFunction($function, $argv, $namespace);
|
|
} else {
|
|
$class = array_shift($function);
|
|
$action = array_shift($function);
|
|
$reflection = Zend_Server_Reflection::reflectClass($class, $argv, $namespace);
|
|
$methods = $reflection->getMethods();
|
|
$found = false;
|
|
foreach ($methods as $method) {
|
|
if ($action == $method->getName()) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!$found) {
|
|
$this->fault('Method not found', -32601);
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
$definition = $this->_buildSignature($method);
|
|
$this->_addMethodServiceMap($definition);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Register a class with the server
|
|
*
|
|
* @param string $class
|
|
* @param string $namespace Ignored
|
|
* @param mixed $argv Ignored
|
|
* @return Zend_Json_Server
|
|
*/
|
|
public function setClass($class, $namespace = '', $argv = null)
|
|
{
|
|
$argv = null;
|
|
if (3 < func_num_args()) {
|
|
$argv = func_get_args();
|
|
$argv = array_slice($argv, 3);
|
|
}
|
|
|
|
require_once 'Zend/Server/Reflection.php';
|
|
$reflection = Zend_Server_Reflection::reflectClass($class, $argv, $namespace);
|
|
|
|
foreach ($reflection->getMethods() as $method) {
|
|
$definition = $this->_buildSignature($method, $class);
|
|
$this->_addMethodServiceMap($definition);
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Indicate fault response
|
|
*
|
|
* @param string $fault
|
|
* @param int $code
|
|
* @return false
|
|
*/
|
|
public function fault($fault = null, $code = 404, $data = null)
|
|
{
|
|
require_once 'Zend/Json/Server/Error.php';
|
|
$error = new Zend_Json_Server_Error($fault, $code, $data);
|
|
$this->getResponse()->setError($error);
|
|
return $error;
|
|
}
|
|
|
|
/**
|
|
* Handle request
|
|
*
|
|
* @param Zend_Json_Server_Request $request
|
|
* @return null|Zend_Json_Server_Response
|
|
*/
|
|
public function handle($request = false)
|
|
{
|
|
if ((false !== $request) && (!$request instanceof Zend_Json_Server_Request)) {
|
|
require_once 'Zend/Json/Server/Exception.php';
|
|
throw new Zend_Json_Server_Exception('Invalid request type provided; cannot handle');
|
|
} elseif ($request) {
|
|
$this->setRequest($request);
|
|
}
|
|
|
|
// Handle request
|
|
$this->_handle();
|
|
|
|
// Get response
|
|
$response = $this->_getReadyResponse();
|
|
|
|
// Emit response?
|
|
if ($this->autoEmitResponse()) {
|
|
echo $response;
|
|
return;
|
|
}
|
|
|
|
// or return it?
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Load function definitions
|
|
*
|
|
* @param array|Zend_Server_Definition $definition
|
|
* @return void
|
|
*/
|
|
public function loadFunctions($definition)
|
|
{
|
|
if (!is_array($definition) && (!$definition instanceof Zend_Server_Definition)) {
|
|
require_once 'Zend/Json/Server/Exception.php';
|
|
throw new Zend_Json_Server_Exception('Invalid definition provided to loadFunctions()');
|
|
}
|
|
|
|
foreach ($definition as $key => $method) {
|
|
$this->_table->addMethod($method, $key);
|
|
$this->_addMethodServiceMap($method);
|
|
}
|
|
}
|
|
|
|
public function setPersistence($mode)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Set request object
|
|
*
|
|
* @param Zend_Json_Server_Request $request
|
|
* @return Zend_Json_Server
|
|
*/
|
|
public function setRequest(Zend_Json_Server_Request $request)
|
|
{
|
|
$this->_request = $request;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get JSON-RPC request object
|
|
*
|
|
* @return Zend_Json_Server_Request
|
|
*/
|
|
public function getRequest()
|
|
{
|
|
if (null === ($request = $this->_request)) {
|
|
require_once 'Zend/Json/Server/Request/Http.php';
|
|
$this->setRequest(new Zend_Json_Server_Request_Http());
|
|
}
|
|
return $this->_request;
|
|
}
|
|
|
|
/**
|
|
* Set response object
|
|
*
|
|
* @param Zend_Json_Server_Response $response
|
|
* @return Zend_Json_Server
|
|
*/
|
|
public function setResponse(Zend_Json_Server_Response $response)
|
|
{
|
|
$this->_response = $response;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get response object
|
|
*
|
|
* @return Zend_Json_Server_Response
|
|
*/
|
|
public function getResponse()
|
|
{
|
|
if (null === ($response = $this->_response)) {
|
|
require_once 'Zend/Json/Server/Response/Http.php';
|
|
$this->setResponse(new Zend_Json_Server_Response_Http());
|
|
}
|
|
return $this->_response;
|
|
}
|
|
|
|
/**
|
|
* Set flag indicating whether or not to auto-emit response
|
|
*
|
|
* @param bool $flag
|
|
* @return Zend_Json_Server
|
|
*/
|
|
public function setAutoEmitResponse($flag)
|
|
{
|
|
$this->_autoEmitResponse = (bool) $flag;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Will we auto-emit the response?
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function autoEmitResponse()
|
|
{
|
|
return $this->_autoEmitResponse;
|
|
}
|
|
|
|
// overloading for SMD metadata
|
|
/**
|
|
* Overload to accessors of SMD object
|
|
*
|
|
* @param string $method
|
|
* @param array $args
|
|
* @return mixed
|
|
*/
|
|
public function __call($method, $args)
|
|
{
|
|
if (preg_match('/^(set|get)/', $method, $matches)) {
|
|
if (in_array($method, $this->_getSmdMethods())) {
|
|
if ('set' == $matches[1]) {
|
|
$value = array_shift($args);
|
|
$this->getServiceMap()->$method($value);
|
|
return $this;
|
|
} else {
|
|
return $this->getServiceMap()->$method();
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Retrieve SMD object
|
|
*
|
|
* @return Zend_Json_Server_Smd
|
|
*/
|
|
public function getServiceMap()
|
|
{
|
|
if (null === $this->_serviceMap) {
|
|
require_once 'Zend/Json/Server/Smd.php';
|
|
$this->_serviceMap = new Zend_Json_Server_Smd();
|
|
}
|
|
return $this->_serviceMap;
|
|
}
|
|
|
|
/**
|
|
* Add service method to service map
|
|
*
|
|
* @param Zend_Server_Reflection_Function $method
|
|
* @return void
|
|
*/
|
|
protected function _addMethodServiceMap(Zend_Server_Method_Definition $method)
|
|
{
|
|
$serviceInfo = array(
|
|
'name' => $method->getName(),
|
|
'return' => $this->_getReturnType($method),
|
|
);
|
|
$params = $this->_getParams($method);
|
|
$serviceInfo['params'] = $params;
|
|
$serviceMap = $this->getServiceMap();
|
|
if (false !== $serviceMap->getService($serviceInfo['name'])) {
|
|
$serviceMap->removeService($serviceInfo['name']);
|
|
}
|
|
$serviceMap->addService($serviceInfo);
|
|
}
|
|
|
|
/**
|
|
* Translate PHP type to JSON type
|
|
*
|
|
* @param string $type
|
|
* @return string
|
|
*/
|
|
protected function _fixType($type)
|
|
{
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* Get default params from signature
|
|
*
|
|
* @param array $args
|
|
* @param array $params
|
|
* @return array
|
|
*/
|
|
protected function _getDefaultParams(array $args, array $params)
|
|
{
|
|
$defaultParams = array_slice($params, count($args));
|
|
foreach ($defaultParams as $param) {
|
|
$value = null;
|
|
if (array_key_exists('default', $param)) {
|
|
$value = $param['default'];
|
|
}
|
|
array_push($args, $value);
|
|
}
|
|
return $args;
|
|
}
|
|
|
|
/**
|
|
* Get method param type
|
|
*
|
|
* @param Zend_Server_Reflection_Function_Abstract $method
|
|
* @return string|array
|
|
*/
|
|
protected function _getParams(Zend_Server_Method_Definition $method)
|
|
{
|
|
$params = array();
|
|
foreach ($method->getPrototypes() as $prototype) {
|
|
foreach ($prototype->getParameterObjects() as $key => $parameter) {
|
|
if (!isset($params[$key])) {
|
|
$params[$key] = array(
|
|
'type' => $parameter->getType(),
|
|
'name' => $parameter->getName(),
|
|
'optional' => $parameter->isOptional(),
|
|
);
|
|
if (null !== ($default = $parameter->getDefaultValue())) {
|
|
$params[$key]['default'] = $default;
|
|
}
|
|
$description = $parameter->getDescription();
|
|
if (!empty($description)) {
|
|
$params[$key]['description'] = $description;
|
|
}
|
|
continue;
|
|
}
|
|
$newType = $parameter->getType();
|
|
if (!is_array($params[$key]['type'])) {
|
|
if ($params[$key]['type'] == $newType) {
|
|
continue;
|
|
}
|
|
$params[$key]['type'] = (array) $params[$key]['type'];
|
|
} elseif (in_array($newType, $params[$key]['type'])) {
|
|
continue;
|
|
}
|
|
array_push($params[$key]['type'], $parameter->getType());
|
|
}
|
|
}
|
|
return $params;
|
|
}
|
|
|
|
/**
|
|
* Set response state
|
|
*
|
|
* @return Zend_Json_Server_Response
|
|
*/
|
|
protected function _getReadyResponse()
|
|
{
|
|
$request = $this->getRequest();
|
|
$response = $this->getResponse();
|
|
|
|
$response->setServiceMap($this->getServiceMap());
|
|
if (null !== ($id = $request->getId())) {
|
|
$response->setId($id);
|
|
}
|
|
if (null !== ($version = $request->getVersion())) {
|
|
$response->setVersion($version);
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
/**
|
|
* Get method return type
|
|
*
|
|
* @param Zend_Server_Reflection_Function_Abstract $method
|
|
* @return string|array
|
|
*/
|
|
protected function _getReturnType(Zend_Server_Method_Definition $method)
|
|
{
|
|
$return = array();
|
|
foreach ($method->getPrototypes() as $prototype) {
|
|
$return[] = $prototype->getReturnType();
|
|
}
|
|
if (1 == count($return)) {
|
|
return $return[0];
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Retrieve list of allowed SMD methods for proxying
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function _getSmdMethods()
|
|
{
|
|
if (null === $this->_smdMethods) {
|
|
$this->_smdMethods = array();
|
|
require_once 'Zend/Json/Server/Smd.php';
|
|
$methods = get_class_methods('Zend_Json_Server_Smd');
|
|
foreach ($methods as $key => $method) {
|
|
if (!preg_match('/^(set|get)/', $method)) {
|
|
continue;
|
|
}
|
|
if (strstr($method, 'Service')) {
|
|
continue;
|
|
}
|
|
$this->_smdMethods[] = $method;
|
|
}
|
|
}
|
|
return $this->_smdMethods;
|
|
}
|
|
|
|
/**
|
|
* Internal method for handling request
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _handle()
|
|
{
|
|
$request = $this->getRequest();
|
|
|
|
if (!$request->isMethodError() && (null === $request->getMethod())) {
|
|
return $this->fault('Invalid Request', -32600);
|
|
}
|
|
|
|
if ($request->isMethodError()) {
|
|
return $this->fault('Invalid Request', -32600);
|
|
}
|
|
|
|
$method = $request->getMethod();
|
|
if (!$this->_table->hasMethod($method)) {
|
|
return $this->fault('Method not found', -32601);
|
|
}
|
|
|
|
$params = $request->getParams();
|
|
$invocable = $this->_table->getMethod($method);
|
|
$serviceMap = $this->getServiceMap();
|
|
$service = $serviceMap->getService($method);
|
|
$serviceParams = $service->getParams();
|
|
|
|
if (count($params) < count($serviceParams)) {
|
|
$params = $this->_getDefaultParams($params, $serviceParams);
|
|
}
|
|
|
|
//Make sure named parameters are passed in correct order
|
|
if ( is_string( key( $params ) ) ) {
|
|
|
|
$callback = $invocable->getCallback();
|
|
if ('function' == $callback->getType()) {
|
|
$reflection = new ReflectionFunction( $callback->getFunction() );
|
|
$refParams = $reflection->getParameters();
|
|
} else {
|
|
|
|
$reflection = new ReflectionMethod(
|
|
$callback->getClass(),
|
|
$callback->getMethod()
|
|
);
|
|
$refParams = $reflection->getParameters();
|
|
}
|
|
|
|
$orderedParams = array();
|
|
foreach( $reflection->getParameters() as $refParam ) {
|
|
if( isset( $params[ $refParam->getName() ] ) ) {
|
|
$orderedParams[ $refParam->getName() ] = $params[ $refParam->getName() ];
|
|
} elseif( $refParam->isOptional() ) {
|
|
$orderedParams[ $refParam->getName() ] = null;
|
|
} else {
|
|
throw new Zend_Server_Exception(
|
|
'Missing required parameter: ' . $refParam->getName()
|
|
);
|
|
}
|
|
}
|
|
$params = $orderedParams;
|
|
}
|
|
|
|
try {
|
|
$result = $this->_dispatch($invocable, $params);
|
|
} catch (Exception $e) {
|
|
return $this->fault($e->getMessage(), $e->getCode(), $e);
|
|
}
|
|
|
|
$this->getResponse()->setResult($result);
|
|
}
|
|
}
|