functions_openid.php

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<?php
/* Copyright (C) 2007-2013 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2007-2009 Regis Houssin        <regis.houssin@inodbox.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

include_once DOL_DOCUMENT_ROOT.'/core/class/openid.class.php';


function check_user_password_openid($usertotest, $passwordtotest, $entitytotest)
{
  global $db, $conf, $langs;

  dol_syslog("functions_openid::check_user_password_openid usertotest=".$usertotest);

  $login = '';

  // Get identity from user and redirect browser to OpenID Server
  if (GETPOSTISSET('username')) {
    $openid = new SimpleOpenID();
    $openid->SetIdentity(GETPOST('username'));
    $protocol = ($conf->file->main_force_https ? 'https://' : 'http://');
    $openid->SetTrustRoot($protocol.$_SERVER["HTTP_HOST"]);
    $openid->SetRequiredFields(array('email', 'fullname'));
    $_SESSION['dol_entity'] = GETPOST("entity", 'int');
    //$openid->SetOptionalFields(array('dob','gender','postcode','country','language','timezone'));
    if ($openid->sendDiscoveryRequestToGetXRDS()) {
      $openid->SetApprovedURL($protocol.$_SERVER["HTTP_HOST"].$_SERVER["SCRIPT_NAME"]); // Send Response from OpenID server to this script
      $openid->Redirect(); // This will redirect user to OpenID Server
    } else {
      $_SESSION["dol_loginmesg"] = $openid->GetError();
      return false;
    }
    return false;
  } elseif ($_GET['openid_mode'] == 'id_res') {
    // Perform HTTP Request to OpenID server to validate key
    $openid = new SimpleOpenID();
    $openid->SetIdentity(GETPOST('openid_identity'));
    $openid_validation_result = $openid->ValidateWithServer();
    if ($openid_validation_result === true) {
      // OK HERE KEY IS VALID

      $sql = "SELECT login, entity, datestartvalidity, dateendvalidity";
      $sql .= " FROM ".MAIN_DB_PREFIX."user";
      $sql .= " WHERE openid = '".$db->escape(GETPOST('openid_identity'))."'";
      $sql .= " AND entity IN (0,".($_SESSION["dol_entity"] ? ((int) $_SESSION["dol_entity"]) : 1).")";

      dol_syslog("functions_openid::check_user_password_openid", LOG_DEBUG);
      $resql = $db->query($sql);
      if ($resql) {
        $obj = $db->fetch_object($resql);
        if ($obj) {
          $now = dol_now();
          if ($obj->datestartvalidity && $db->jdate($obj->datestartvalidity) > $now) {
            // Load translation files required by the page
            $langs->loadLangs(array('main', 'errors'));
            $_SESSION["dol_loginmesg"] = $langs->transnoentitiesnoconv("ErrorLoginDateValidity");
            return '--bad-login-validity--';
          }
          if ($obj->dateendvalidity && $db->jdate($obj->dateendvalidity) < dol_get_first_hour($now)) {
            // Load translation files required by the page
            $langs->loadLangs(array('main', 'errors'));
            $_SESSION["dol_loginmesg"] = $langs->transnoentitiesnoconv("ErrorLoginDateValidity");
            return '--bad-login-validity--';
          }

          $login = $obj->login;
        }
      }
    } elseif ($openid->IsError() === true) {
      // ON THE WAY, WE GOT SOME ERROR
      $_SESSION["dol_loginmesg"] = $openid->GetError();
      return false;
    } else {
      // Signature Verification Failed
      //echo "INVALID AUTHORIZATION";
      return false;
    }
  } elseif ($_GET['openid_mode'] == 'cancel') {
    // User Canceled your Request
    //echo "USER CANCELED REQUEST";
    return false;
  }

  return $login;
}