<?php
/**
 * Gearman Password Driver
 *
 * Payload is json string containing username, oldPassword and newPassword
 * Return value is a json string saying result: true if success.
 *
 * @version 1.0
 * @author Mohammad Anwari <mdamt@mdamt.net>
 */

class rcube_gearman_password
{
  function save($currpass, $newpass)
  {
    $user = $_SESSION['username'];
    $rcmail = rcmail::get_instance();

    if (extension_loaded('gearman')) {
      $success = false;
      $gmc= new GearmanClient();

      $gmc->addServer($rcmail->config->get('password_gearman_host'));
      $payload = array("username" => $user, "oldPassword" => $currpass, "newPassword" => $newpass);
      $result = $gmc->doNormal("setPassword", json_encode($payload));
      $success = json_decode($result);
      if ($success->result == 1) {
        return PASSWORD_SUCCESS;
      } else {
        rcube::raise_error(array(
          'code' => 600,
          'type' => 'php',
          'file' => __FILE__, 'line' => __LINE__,
          'message' => "Password plugin: Gearman authentication failed for user $user: $error"
        ), true, false);
      }
    }
    else {
      rcube::raise_error(array(
        'code' => 600,
        'type' => 'php',
        'file' => __FILE__, 'line' => __LINE__,
        'message' => "Password plugin: PECL Gearman module not loaded"
      ), true, false);
    }

    return PASSWORD_ERROR;
  }
}
?>