BeSimpleSoap/SoapKernel.php

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2010-10-04 20:27:00 +02:00
<?php
/*
* This file is part of the WebServiceBundle.
*
* (c) Christian Kerl <christian-kerl@web.de>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
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namespace Bundle\WebServiceBundle;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Bundle\WebServiceBundle\Soap\SoapRequest;
use Bundle\WebServiceBundle\Soap\SoapResponse;
use Bundle\WebServiceBundle\Soap\SoapHeader;
use Bundle\WebServiceBundle\ServiceBinding\ServiceBinder;
use Bundle\WebServiceBundle\Converter\ConverterRepository;
use Bundle\WebServiceBundle\Util\String;
/**
* SoapKernel converts a SoapRequest to a SoapResponse. It uses PHP's SoapServer for SOAP message
* handling. The logic for every service method is implemented in a Symfony controller. The controller
* to use for a specific service method is defined in the ServiceDefinition. The controller is invoked
* by Symfony's HttpKernel implementation.
*
* @author Christian Kerl <christian-kerl@web.de>
*/
class SoapKernel implements HttpKernelInterface
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{
/**
* @var \SoapServer
*/
protected $soapServer;
/**
* @var \Bundle\WebServiceBundle\Soap\SoapRequest
*/
protected $soapRequest;
/**
* @var \Bundle\WebServiceBundle\Soap\SoapResponse
*/
protected $soapResponse;
/**
* @var \Bundle\WebServiceBundle\ServiceBinding\ServiceBinder
*/
protected $serviceBinder;
/**
* @var \Symfony\Component\HttpKernel\HttpKernelInterface
*/
protected $kernel;
public function __construct(ServiceBinder $serviceBinder, ConverterRepository $converterRepository, HttpKernelInterface $kernel)
{
$this->serviceBinder = $serviceBinder;
$this->soapServer = new \SoapServer(
$this->serviceBinder->getSerializedServiceDefinition(),
array(
'classmap' => $this->serviceBinder->getSoapServerClassmap(),
'typemap' => $converterRepository->toSoapServerTypemap($this),
'features' => SOAP_SINGLE_ELEMENT_ARRAYS,
)
);
$this->soapServer->setObject($this);
$this->kernel = $kernel;
}
public function getRequest()
{
return $this->soapRequest;
}
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public function getResponse()
{
return $this->soapResponse;
}
public function handle(Request $request = null, $type = self::MASTER_REQUEST, $catch = true)
{
$this->soapRequest = $this->checkRequest($request);
ob_start();
$this->soapServer->handle($this->soapRequest->getSoapMessage());
$soapResponseContent = ob_get_clean();
$this->soapResponse->setContent($soapResponseContent);
return $this->soapResponse;
}
/**
* This method gets called once for every SOAP header the \SoapServer received
* and afterwards once for the called SOAP operation.
*
* @param string $method The SOAP header or SOAP operation name
* @param array $arguments
*
* @return mixed
*/
public function __call($method, $arguments)
{
if($this->serviceBinder->isServiceHeader($method))
{
// collect request soap headers
$this->soapRequest->getSoapHeaders()->add(
$this->serviceBinder->processServiceHeader($method, $arguments[0])
);
return;
}
if($this->serviceBinder->isServiceMethod($method))
{
$this->soapRequest->attributes->add(
$this->serviceBinder->processServiceMethodArguments($method, $arguments)
);
// delegate to standard http kernel
$response = $this->kernel->handle($this->soapRequest, self::MASTER_REQUEST, true);
$this->soapResponse = $this->checkResponse($response);
// add response soap headers to soap server
foreach($this->soapResponse->getSoapHeaders() as $header)
{
$this->soapServer->addSoapHeader($header->toNativeSoapHeader());
}
// return operation return value to soap server
return $this->serviceBinder->processServiceMethodReturnValue(
$method,
$this->soapResponse->getReturnValue()
);
}
}
/**
* Checks the given Request, that it is a SoapRequest. If the request is null a new
* SoapRequest is created.
*
* @param Request $request A request to check
*
* @return SoapRequest A valid SoapRequest
*
* @throws InvalidArgumentException if the given Request is not a SoapRequest
*/
protected function checkRequest(Request $request)
{
if($request == null)
{
$request = new SoapRequest();
}
if(!is_a($request, __NAMESPACE__ . '\\Soap\\SoapRequest'))
{
throw new \InvalidArgumentException();
}
return $request;
}
/**
* Checks the given Response, that it is a SoapResponse.
*
* @param Response $response A response to check
*
* @return SoapResponse A valid SoapResponse
*
* @throws InvalidArgumentException if the given Response is null or not a SoapResponse
*/
protected function checkResponse(Response $response)
{
if($response == null || !is_a($response, __NAMESPACE__ . '\\Soap\\SoapResponse'))
{
throw new \InvalidArgumentException();
}
return $response;
}
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}