gistfile1.php

<?php
// $Id$

/**
 * Copyright (c) 2010 Madcap BV (http://www.madcap.nl)
 * All rights reserved.
 *
 * Permission is granted for use, copying, modification, distribution,
 * and distribution of modified versions of this work as long as the
 * above copyright notice is included.
 */

/**
 * @file gem_sync.inc
 * Define connection object.
 */
require_once './includes/xmlrpc.inc';

/*
 * Object used to connect to remote xmlrpc server
 */
class gem_sync {
  // Username/password for connection.
  var $username;
  var $password;
  // Url of remote server.
  var $url;
  // cookies, that are to be sent
  var $cookie;
  // Session ID.
  var $sessid;
  // Remote user object.
  var $user;

/**
 * Constructor. Opens session.
 */
  function gem_sync() {
    // assign variables
    $this->username = variable_get('gem_sync_user', '');
    $this->password = variable_get('gem_sync_password', '');

    $host = variable_get('gem_sync_remote_url', '');
    $this->url = $host . '/services/xmlrpc';
  }

  /**
   * Log in to the remote server and save the session data.
   */
  function login() {
    // Do request to get anonymous sessid.
    $result = $this->send(array('system.connect'), array());
    // save anonymous sessid
    $this->sessid = $result['sessid'];

    // Do login.
    $result = $this->send(array('user.login'), array($this->username, $this->password));
    $this->sessid = $result['sessid'];
    $this->user = $result['user'];
  }

  /**
   * Logout from the remote server.
   */
  function logout() {
    $this->user = NULL;
    return $this->send('user.logout', array());
  }

  /**
   * Do the request to server
   *
   * @param str $method
   * Name of method to call.
   * @param array $args
   * Argument to send.
   * @return array $result
   * First element result from drupal_http_request(), second element is parsed message.
   */
  function send($protocol_args, $function_args, $noerror = FALSE) {
    if (!is_array($protocol_args)) {
      $protocol_args = array($protocol_args);
    }
    // In the end $protocol_args needs to be URL of XMLRPC endpoint, function name, session ID.
    // The one exception to this is system.connect, which never requires a session id (it is the
    // equivalent of your first page hit to a drupal site, establishing an anonymous session).
    if ($protocol_args[0] == 'system.connect') {
      $protocol_args = array($this->url, $protocol_args[0]);
    }
    else {
      $protocol_args = array($this->url, $protocol_args[0], $this->sessid);
    }

    $output = call_user_func_array('xmlrpc', array_merge($protocol_args, $function_args));

    if (!$noerror) {
      // Error logging.
      $error_message = xmlrpc_error_msg();
      if (!empty($error_message)) {
        if (module_exists('devel')) {
          //dsm($error_message);
        }
        watchdog('gem_sync_xmlrpcsend', $error_message);
        return array('error' => TRUE, 'message' => $error_message);
      }
    }

    return $output;
  }

  /**
   * Get saved remote user details
   *
   * @return <type>
   */
  function get_remote_user() {
    return $this->user;
  }
}