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   1  <?php
   2  // $Id: auth.php 694 2006-09-04 11:33:22Z skalpa $

   3  // auth.php - defines abstract authentification wrapper class

   4  //  ------------------------------------------------------------------------ //

   5  //                XOOPS - PHP Content Management System                      //

   6  //                    Copyright (c) 2000 XOOPS.org                           //

   7  //                       <http://www.xoops.org/>                             //

   8  //  ------------------------------------------------------------------------ //

   9  //  This program is free software; you can redistribute it and/or modify     //

  10  //  it under the terms of the GNU General Public License as published by     //

  11  //  the Free Software Foundation; either version 2 of the License, or        //

  12  //  (at your option) any later version.                                      //

  13  //                                                                           //

  14  //  You may not change or alter any portion of this comment or credits       //

  15  //  of supporting developers from this source code or any supporting         //

  16  //  source code which is considered copyrighted (c) material of the          //

  17  //  original comment or credit authors.                                      //

  18  //                                                                           //

  19  //  This program is distributed in the hope that it will be useful,          //

  20  //  but WITHOUT ANY WARRANTY; without even the implied warranty of           //

  21  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //

  22  //  GNU General Public License for more details.                             //

  23  //                                                                           //

  24  //  You should have received a copy of the GNU General Public License        //

  25  //  along with this program; if not, write to the Free Software              //

  26  //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //

  27  //  ------------------------------------------------------------------------ //

  28  /**

  29   * @package     kernel

  30   * @subpackage  auth

  31   * @description    Authentification base class

  32   * @author        Pierre-Eric MENUET    <pemphp@free.fr>

  33   * @copyright    copyright (c) 2000-2003 XOOPS.org

  34   */
  35  class XoopsAuth {
  36  
  37      var    $_dao;
  38  
  39      var    $_errors;
  40      /**

  41       * Authentication Service constructor

  42       */
  43  	function XoopsAuth (&$dao){
  44          $this->_dao = $dao;
  45      }
  46  
  47      /**

  48       * @abstract need to be write in the dervied class

  49       */    
  50  	function authenticate() {
  51          $authenticated = false;
  52                  
  53          return $authenticated;
  54      }        
  55      
  56      /**

  57       * add an error 

  58       * 

  59       * @param string $value error to add

  60       * @access public

  61       */
  62      function setErrors($err_no, $err_str)
  63      {
  64          $this->_errors[$err_no] = trim($err_str);
  65      }
  66  
  67      /**

  68       * return the errors for this object as an array

  69       * 

  70       * @return array an array of errors

  71       * @access public

  72       */
  73      function getErrors()
  74      {
  75          return $this->_errors;
  76      }
  77  
  78      /**

  79       * return the errors for this object as html

  80       * 

  81       * @return string html listing the errors

  82       * @access public

  83       */
  84      function getHtmlErrors()
  85      {
  86          global $xoopsConfig;
  87          $ret = '<br>';
  88          if ( $xoopsConfig['debug_mode'] == 1 || $xoopsConfig['debug_mode'] == 2 ) 
  89          {           
  90              if (!empty($this->_errors)) {
  91                  foreach ($this->_errors as $errno => $errstr) {                
  92                      $ret .=  $errstr . '<br/>';
  93                  }
  94              } else {
  95                  $ret .= _NONE.'<br />';
  96              }        
  97              $ret .= sprintf(_AUTH_MSG_AUTH_METHOD, $this->auth_method);
  98          }
  99          else {
 100              $ret .= _US_INCORRECTLOGIN;
 101          }
 102          return $ret;
 103      }    
 104  }
 105  
 106  ?>