class.phpwsdlproxy.php

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<?php
 
/*
PhpWsdl - Generate WSDL from PHP
Copyright (C) 2011  Andreas Zimmermann, wan24.de 
 
This program is free software; you can redistribute it and/or modify it under 
the terms of the GNU General Public License as published by the Free Software 
Foundation; either version 3 of the License, or (at your option) any later 
version. 
 
This program is distributed in the hope that it will be useful, but WITHOUT 
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 
 
You should have received a copy of the GNU General Public License along with 
this program; if not, see <http://www.gnu.org/licenses/>.
*/
 
if(basename($_SERVER['SCRIPT_FILENAME'])==basename(__FILE__))
    exit;
 
// This proxy can handle missing parameters with NULL values. This will only 
// work, if the PhpWsdl class doesn't promote the WSDL to the SoapServer. But 
// then returning complex types won't be easy anymore: You have to encode the 
// return value with PHPs SoapVar object by yourself.
 
class PhpWsdlProxy{
    public function __call($method,$param){
        if(PhpWsdl::$Debugging)
            PhpWsdl::Debug('Proxy call method '.$method.': '.print_r($param,true));
        PhpWsdl::$ProxyServer->CreateWsdl();
        $m=PhpWsdl::$ProxyServer->GetMethod($method);
        if(is_null($m))
            throw(new SoapFault('MissingMethod','Method "'.$method.'" not found'));
        // Try to fix the missing parameters issue if the SoapServer is not running in WSDL mode
        if(!PhpWsdl::$UseProxyWsdl){
            $pLen=sizeof($m->Param);
            $temp=sizeof($param);
            if($pLen!=$temp){
                PhpWsdl::Debug('Wrong parameter count ('.$temp.'/'.$pLen.')');
                $req=new DOMDocument();
                if($req->loadXml(file_get_contents('php://input'))){
                    $x=new DOMXPath($req);
                    $temp=$param;
                    $param=Array();
                    $pos=0;// Current index in the received parameter array
                    $i=-1;
                    while(++$i<$pLen){
                        $p=$m->Param[$i];
                        if($x->query("/*[local-name()='Envelope']/*[local-name()='Body']/*[local-name()='".$m->Name."']/*[local-name()='".$p->Name."']")->length>0){
                            PhpWsdl::Debug('Parameter "'.$p->Name.'" was received');
                            $param[]=$temp[$pos];
                            $pos++;
                        }else{
                            PhpWsdl::Debug('Parameter "'.$p->Name.'" was missing');
                            $param[]=null;
                        }
                    }
                }else{
                    PhpWsdl::Debug('Could not parse SOAP request XML');
                }
            }
        }
        // Prepare the method call
        $call=($m->IsGlobal)
            ?$method                    // Global method
            :Array(                     // Class method
                PhpWsdl::$ProxyObject,
                $method
            );
        // Call the target method and return the response
        PhpWsdl::Debug('Call the target method');
        return (sizeof($param)<1)
            ?call_user_func(
                    $call
                )
            :call_user_func_array(
                    $call,
                    $param
                );
    }
}