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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  
  18  /**
  19   * Moodle SOAP library
  20   *
  21   * @package    webservice_soap
  22   * @copyright  2009 Jerome Mouneyrac
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  require_once 'Zend/Soap/Client.php';
  27  
  28  /**
  29   * Moodle SOAP client
  30   *
  31   * It has been implemented for unit testing purpose (all protocols have similar client)
  32   *
  33   * @package    webservice_soap
  34   * @copyright  2010 Jerome Mouneyrac
  35   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class webservice_soap_client extends Zend_Soap_Client {
  38  
  39      /** @var string server url e.g. https://yyyyy.com/server.php */
  40      private $serverurl;
  41  
  42      /**
  43       * Constructor
  44       *
  45       * @param string $serverurl a Moodle URL
  46       * @param string $token the token used to do the web service call
  47       * @param array $options PHP SOAP client options - see php.net
  48       */
  49      public function __construct($serverurl, $token, $options = null) {
  50          $this->serverurl = $serverurl;
  51          $wsdl = $serverurl . "?wstoken=" . $token . '&wsdl=1';
  52          parent::__construct($wsdl, $options);
  53      }
  54  
  55      /**
  56       * Set the token used to do the SOAP call
  57       *
  58       * @param string $token the token used to do the web service call
  59       */
  60      public function set_token($token) {
  61          $wsdl = $this->serverurl . "?wstoken=" . $token . '&wsdl=1';
  62          $this->setWsdl($wsdl);
  63      }
  64  
  65      /**
  66       * Execute client WS request with token authentication
  67       *
  68       * @param string $functionname the function name
  69       * @param array $params the parameters of the function
  70       * @return mixed
  71       */
  72      public function call($functionname, $params) {
  73          global $DB, $CFG;
  74  
  75          //zend expects 0 based array with numeric indexes
  76          $params = array_values($params);
  77  
  78          //traditional Zend soap client call (integrating the token into the URL)
  79          $result = $this->__call($functionname, $params);
  80  
  81          return $result;
  82      }
  83  
  84  }