<?php

class Wexo_Integration_Helper_NTLMSoapClient extends SoapClient {

    protected $_fix_ms_soap = false;
    protected $_custom_params;

    function __construct ( $url, $params = null ) {
        if ( $params ) {
            foreach ( $params as $value ) $this->_custom_params = $value;
        }
        parent::__construct($url, $params);
    }
    
    function __doRequest($request, $location, $action, $version, $one_way = NULL) {
        $headers = array(
            'Method: POST',
            'Connection: Keep-Alive',
            'User-Agent: PHP-SOAP-CURL',
            'Content-Type: text/xml; charset=utf-8',
            'SOAPAction: "'.$action.'"',
        );
        $this->__last_request_headers = $headers;
        $ch = curl_init($location);
        if ( $this->_custom_params['fix_ms_soap'] ) $request = $this->fix_ms_xml($request);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_POST, true );
        curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
        curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
        curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_NTLM);
        curl_setopt($ch, CURLOPT_USERPWD, USERPWD);
        $response = curl_exec($ch);
        return $response;
    }

    function __getLastRequestHeaders() {
        return implode("\n", $this->__last_request_headers)."\n";
    }

    function fix_ms_xml($request,$level=1){
        $out='';

        $dom = new DOMDocument();
        $dom->loadXML($request, LIBXML_NOBLANKS);
        $envelopes = $dom->getElementsByTagName('Envelope');
        foreach($envelopes as $envelope){
            foreach ( $this->_custom_params['fix_ms_soap'] as $remove_namespace ) {
                if($envelope->hasAttribute("xmlns:" . $remove_namespace)){
                    $attr1 = (String)$envelope->getAttribute("xmlns:" . $remove_namespace);
                    $envelope->removeAttributeNS($attr1,$remove_namespace);
                }
            }

        }

        return $dom->saveXML();
    }
}