<?php
  $stdout = fopen('php://stdout', 'w');
  fwrite($stdout, "Freebase Write Example\n");

  // Site specific variables
  $username = "admin";
  $drupal_base_url = parse_url('http://www.example.com');

  $_SERVER['HTTP_HOST'] = $drupal_base_url['host'];
  $_SERVER['PHP_SELF'] = $drupal_base_url['path'].'/index.php';
  $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] = $_SERVER['PHP_SELF'];
  $_SERVER['REMOTE_ADDR'] = NULL;
  $_SERVER['REQUEST_METHOD'] = NULL;

  require_once 'includes/bootstrap.inc';
  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

  global $user;
  $user = user_load(array('name' => $username));
  
  //------------------------------------------------------

  /**
   * Definitions
   */
  $fbase_user         = 'username';
  $fbase_pass         = 'password';
  $login_api_endpoint = 'https://sandbox.freebase.com/api/account/login';
  $write_api_endpoint = 'http://sandbox.freebase.com/api/service/mqlwrite';

  /**
   * Login
   */
  $header = array();
  $header['Content-Type'] = 'application/x-www-form-urlencoded';
  $body = 'username=' . urlencode($fbase_user) . '&password=' . urlencode($fbase_pass);
  $login_request = drupal_http_request($login_api_endpoint, $header, 'POST', $body);
  $login_result = json_decode($login_request->data);
  if ($login_result->messages[0]->code != '/api/status/ok/account/login') {
    print_r($login_result);
    exit;
  }

  /**
   * Extract cookies (containing login tokens)
   */
  $cookies = array();
  $header_cookie_data = explode(',', $login_request->headers['Set-Cookie']);
  foreach ($header_cookie_data as $cookie_entry) {
    list($cookies[]) = explode(';', $cookie_entry,1);
  }

  /**
   * Write
   */
  $header = array();
  $header['Content-Type']       = 'application/x-www-form-urlencoded';
  $header['X-Metaweb-Request']  = 'True';  
  $header['Cookie']             = implode('; ', $cookies);
  
  $json_create_string = '{
    "create":"unless_exists",
    "type":"/user/dalem/default_domain/foo",
    "name":"Dale was here",
    "id":null
  }';
  $creation_array = json_decode($json_create_string);
  $envelope_array = array('query' => $creation_array);
  $envelope_json = json_encode($envelope_array);
  $body = 'query=' . urlencode($envelope_json);

  $write_request = drupal_http_request($write_api_endpoint, $header, 'POST', $body);

  print_r($write_request->data);