BeSimpleSoap/src/BeSimple/SoapClient/SoapClient.php

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<?php
/**
* This file is part of the BeSimpleSoapClient.
*
* (c) Christian Kerl <christian-kerl@web.de>
* (c) Francis Besset <francis.besset@gmail.com>
* (c) Andreas Schamberger <mail@andreass.net>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*
* @link https://github.com/BeSimple/BeSimpleSoapClient
*/
namespace BeSimple\SoapClient;
/**
* Extended SoapClient that uses a a cURL wrapper for all underlying HTTP
* requests in order to use proper authentication for all requests. This also
* adds NTLM support. A custom WSDL downloader resolves remote xsd:includes and
* allows caching of all remote referenced items.
*
* @author Andreas Schamberger
*/
class SoapClient extends \SoapClient
{
/**
* Last request headers.
*
* @var string
*/
private $lastRequestHeaders = '';
/**
* Last request.
*
* @var string
*/
private $lastRequest = '';
/**
* Last response headers.
*
* @var string
*/
private $lastResponseHeaders = '';
/**
* Last response.
*
* @var string
*/
private $lastResponse = '';
/**
* Copy of the parent class' options array
*
* @var array(string=>mixed)
*/
protected $options = array();
/**
* Path to WSDL (cache) file.
*
* @var string
*/
private $wsdlFile = null;
/**
* Extended constructor that saves the options as the parent class'
* property is private.
*
* @param string $wsdl
* @param array(string=>mixed) $options
*/
public function __construct( $wsdl, array $options = array(), TypeConverterCollection $converters = null )
{
// we want the exceptions option to be set
$options['exceptions'] = true;
// set custom error handler that converts all php errors to ErrorExceptions
Helper::setCustomErrorHandler();
// we want to make sure we have the soap version to rely on it later
if ( !isset( $options['soap_version'] ) )
{
$options['soap_version'] = SOAP_1_1;
}
// we want to make sure we have the features option
if ( !isset( $options['features'] ) )
{
$options['features'] = 0;
}
// set default option to resolve xsd includes
if ( !isset( $options['resolve_xsd_includes'] ) )
{
$options['resolve_xsd_includes'] = true;
}
// add type converters from TypeConverterCollection
if ( !is_null( $converters ) )
{
$convertersTypemap = $converters->getTypemap();
if ( isset( $options['typemap'] ) )
{
$options['typemap'] = array_merge( $options['typemap'], $convertersTypemap );
}
else
{
$options['typemap'] = $convertersTypemap;
}
}
// store local copy as ext/soap's property is private
$this->options = $options;
// disable obsolete trace option for native SoapClient as we need to do our own tracing anyways
$options['trace'] = false;
// disable WSDL caching as we handle WSDL caching for remote URLs ourself
$options['cache_wsdl'] = WSDL_CACHE_NONE;
// load WSDL and run parent constructor
// can't be loaded later as we need it already in the parent constructor
$this->wsdlFile = $this->loadWsdl( $wsdl );
parent::__construct( $this->wsdlFile, $options );
}
/**
* Perform HTTP request with cURL.
*
* @param string $request
* @param string $location
* @param string $action
* @return string
*/
private function __doHttpRequest( $request, $location, $action )
{
// $request is if unmodified from SoapClient not a php string type!
$request = (string)$request;
if ( $this->options['soap_version'] == SOAP_1_2 )
{
$headers = array(
'Content-Type: application/soap+xml; charset=utf-8',
);
}
else
{
$headers = array(
'Content-Type: text/xml; charset=utf-8',
);
}
// add SOAPAction header
$headers[] = 'SOAPAction: "' . $action . '"';
// new curl object for request
$curl = new Curl( $this->options );
// execute request
$responseSuccessfull = $curl->exec( $location, $request, $headers );
// tracing enabled: store last request header and body
if ( isset( $this->options['trace'] ) && $this->options['trace'] === true )
{
$this->lastRequestHeaders = $curl->getRequestHeaders();
$this->lastRequest = $request;
}
// in case of an error while making the http request throw a soapFault
if ( $responseSuccessfull === false )
{
// get error message from curl
$faultstring = $curl->getErrorMessage();
// destruct curl object
unset( $curl );
throw new \SoapFault( 'HTTP', $faultstring );
}
// tracing enabled: store last response header and body
if ( isset( $this->options['trace'] ) && $this->options['trace'] === true )
{
$this->lastResponseHeaders = $curl->getResponseHeaders();
$this->lastResponse = $curl->getResponseBody();
}
$response = $curl->getResponseBody();
// check if we do have a proper soap status code (if not soapfault)
// // TODO
// $responseStatusCode = $curl->getResponseStatusCode();
// if ( $responseStatusCode >= 400 )
// {
// $isError = 0;
// $response = trim( $response );
// if ( strlen( $response ) == 0 )
// {
// $isError = 1;
// }
// else
// {
// $contentType = $curl->getResponseContentType();
// if ( $contentType != 'application/soap+xml'
// && $contentType != 'application/soap+xml' )
// {
// if ( strncmp( $response , "<?xml", 5 ) )
// {
// $isError = 1;
// }
// }
// }
// if ( $isError == 1 )
// {
// throw new \SoapFault( 'HTTP', $curl->getResponseStatusMessage() );
// }
// }
// // TODO
// elseif ( $responseStatusCode != 200 && $responseStatusCode != 202 )
// {
// $dom = new \DOMDocument( '1.0' );
// $dom->loadXML( $response );
// if ( $dom->getElementsByTagNameNS( $dom->documentElement->namespaceURI, 'Fault' )->length == 0 )
// {
// throw new \SoapFault( 'HTTP', 'HTTP response status must be 200 or 202' );
// }
// }
// destruct curl object
unset( $curl );
return $response;
}
/**
* Custom request method to be able to modify the SOAP messages.
*
* @param string $request
* @param string $location
* @param string $action
* @param int $version
* @param int $one_way 0|1
* @return string
*/
public function __doRequest( $request, $location, $action, $version, $one_way = 0 )
{
// http request
$response = $this->__doHttpRequest( $request, $location, $action );
// return SOAP response to ext/soap
return $response;
}
/**
* Get last request HTTP headers.
*
* @return string
*/
public function __getLastRequestHeaders()
{
return $this->lastRequestHeaders;
}
/**
* Get last request HTTP body.
*
* @return string
*/
public function __getLastRequest()
{
return $this->lastRequest;
}
/**
* Get last response HTTP headers.
*
* @return string
*/
public function __getLastResponseHeaders()
{
return $this->lastResponseHeaders;
}
/**
* Get last response HTTP body.
*
* @return string
*/
public function __getLastResponse()
{
return $this->lastResponse;
}
/**
* Downloads WSDL files with cURL. Uses all SoapClient options for
* authentication. Uses the WSDL_CACHE_* constants and the 'soap.wsdl_*'
* ini settings. Does only file caching as SoapClient only supports a file
* name parameter.
*
* @param string $wsdl
* @return string
*/
private function loadWsdl( $wsdl )
{
$wsdlDownloader = new WsdlDownloader( $this->options );
try
{
$cacheFileName = $wsdlDownloader->download( $wsdl );
}
catch ( \RuntimeException $e )
{
throw new \SoapFault( 'WSDL', "SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl . "' : failed to load external entity \"" . $wsdl . "\"" );
}
return $cacheFileName;
}
}