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<?php
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  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 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //
/**
 * Authorization classes, Base class file
 *
 * defines abstract authentification wrapper class
 *
 * @copyright   http://www.impresscms.org/ The ImpressCMS Project
 * @license     LICENSE.txt
 * @category    ICMS
 * @package     Auth
 * @version     SVN: $Id: Object.php 12313 2013-09-15 21:14:35Z skenow $
 */

/**
 * Authentification base class
 *
 * @copyright   http://www.xoops.org/ The XOOPS Project
 * @copyright   http://www.impresscms.org/ The ImpressCMS Project
 * @since       XOOPS
 * @category    ICMS
 * @package     Auth
 * @author      Pierre-Eric MENUET  <pemphp@free.fr>
 */
class icms_auth_Object {

    private $_dao;

    private $_errors;

    /**
     * Authentication Service constructor
     */
    public function __construct(&$dao) {
        $this->_dao = $dao;
    }

    /**
     * authenticate
     *
     * @abstract need to be written in the derived class
     * @return bool whether user is authenticated
     * @todo    Cannot declare this as abstract until the OpenID method is compliant -- quid now that OpenID is no longer there?
     */
    public function authenticate($uname, $pwd = null) {
    }

    /**
     * add an error
     *
     * @param string $value error to add
     * @access public
     */
    public function setErrors($err_no, $err_str) {
        $this->_errors[$err_no] = trim($err_str);
    }

    /**
     * return the errors for this object as an array
     *
     * @return array an array of errors
     * @access public
     */
    public function getErrors() {
        return $this->_errors;
    }

    /**
     * return the errors for this object as html
     *
     * @return string $ret html listing the errors
     * @access public
     */
    public function getHtmlErrors() {
        global $icmsConfigPersona;
        $ret = '<br />';
        if ($icmsConfigPersona['debug_mode'] < 3) {
            $ret .= _US_INCORRECTLOGIN;
        } else {
            if (empty($this->_errors)) {
                $ret .= _NONE . '<br />';
            } else {
                foreach ($this->_errors as $errno => $errstr) {
                    $ret .=  $errstr . '<br/>';
                }
                /**
                 * Fix to replace the message "Incorrect Login using xoops authenticated method"
                 * as this message don't say much to normal users...
                 * This fix of course is temporary and will change in the future
                 */
                $auth_method_name = $this->auth_method == 'xoops' ? 'standard' : $this->auth_method;
                $ret .= sprintf(_AUTH_MSG_AUTH_METHOD, $auth_method_name);
            }
        }
        return $ret;
    }
}