<?php



/*

 * Copyright (C) 2005-2010 Alfresco Software Limited.

 *

 * This file is part of Alfresco

 *

 * Alfresco is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Alfresco 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.

 */



class AlfrescoWebService extends SoapClient

{

   private $securityExtNS = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd";

   private $wsUtilityNS   = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";

   private $passwordType  = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText";



   private $ticket;

   

   public function __construct($wsdl, $options = array('trace' => true, 'exceptions' => true), $ticket = null)

   {

      // Store the current ticket

      $this->ticket = $ticket;



      // Call the base class

      parent::__construct($wsdl, $options);

   }



   public function __call($function_name, $arguments=array())

   {

      return $this->__soapCall($function_name, $arguments);

   }



   public function __soapCall($function_name, $arguments=array(), $options=array(), $input_headers=array(), &$output_headers=array())

   {

      if (isset($this->ticket))

      {

         // Automatically add a security header         

         $input_headers[] = new SoapHeader($this->securityExtNS, "Security", null, 1);

         

         // Set the JSESSION cookie value

         $sessionId = Alfresco_Repository::getSessionId($this->ticket);

         if ($sessionId != null)

         {

         	$this->__setCookie("JSESSIONID", $sessionId);

         }

      }

      

      return parent::__soapCall($function_name, $arguments, $options, $input_headers, $output_headers);   

   }

   

   public function __doRequest($request, $location, $action, $version, $one_way = 0)

   {

      // If this request requires authentication we have to manually construct the

      // security headers.

      if (isset($this->ticket))

      { 

         $dom = new DOMDocument("1.0");

         $dom->loadXML($request);



         $securityHeader = $dom->getElementsByTagName("Security");



         if ($securityHeader->length != 1)

         {

            throw new Exception("Expected length: 1, Received: " . $securityHeader->length . ". No Security Header, or more than one element called Security!");

         }

      

         $securityHeader = $securityHeader->item(0);



         // Construct Timestamp Header

         $timeStamp = $dom->createElementNS($this->wsUtilityNS, "Timestamp");

         $createdDate = gmdate("Y-m-d\TH:i:s\Z", gmmktime(gmdate("H"), gmdate("i"), gmdate("s"), gmdate("m"), gmdate("d"), gmdate("Y")));

         $expiresDate = gmdate("Y-m-d\TH:i:s\Z", gmmktime(gmdate("H")+1, gmdate("i"), gmdate("s"), gmdate("m"), gmdate("d"), gmdate("Y")));

         $created = new DOMElement("Created", $createdDate, $this->wsUtilityNS);

         $expires = new DOMElement("Expires", $expiresDate, $this->wsUtilityNS);

         $timeStamp->appendChild($created);

         $timeStamp->appendChild($expires);



         // Construct UsernameToken Header

         $userNameToken = $dom->createElementNS($this->securityExtNS, "UsernameToken");

         $userName = new DOMElement("Username", "username", $this->securityExtNS);

         $passWord = $dom->createElementNS($this->securityExtNS, "Password");

         $typeAttr = new DOMAttr("Type", $this->passwordType);

         $passWord->appendChild($typeAttr);

         $passWord->appendChild($dom->createTextNode($this->ticket));

         $userNameToken->appendChild($userName);

         $userNameToken->appendChild($passWord);



         // Construct Security Header

         $securityHeader->appendChild($timeStamp);

         $securityHeader->appendChild($userNameToken);



         // Save the XML Request

         $request = $dom->saveXML();

      }



      return parent::__doRequest($request, $location, $action, $version);

   }

}



?>