auth/nologin/auth.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Nologin authentication login - prevents user login.
  19  *
  20  * @package auth_nologin
  21  * @author Petr Skoda
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  23  */
  24
  25 defined('MOODLE_INTERNAL') || die();
  26
  27 require_once($CFG->libdir.'/authlib.php');
  28
  29 /**
  30  * Plugin for no authentication - disabled user.
  31  */
  32 class auth_plugin_nologin extends auth_plugin_base {
  33
  34
  35     /**
  36      * Constructor.
  37      */
  38     public function __construct() {
  39         $this->authtype = 'nologin';
  40     }
  41
  42     /**
  43      * Old syntax of class constructor for backward compatibility.
  44      */
  45     public function auth_plugin_nologin() {
  46         self::__construct();
  47     }
  48
  49     /**
  50      * Do not allow any login.
  51      *
  52      */
  53     function user_login($username, $password) {
  54         return false;
  55     }
  56
  57     /**
  58      * No password updates.
  59      */
  60     function user_update_password($user, $newpassword) {
  61         return false;
  62     }
  63
  64     function prevent_local_passwords() {
  65         // just in case, we do not want to loose the passwords
  66         return false;
  67     }
  68
  69     /**
  70      * No external data sync.
  71      *
  72      * @return bool
  73      */
  74     function is_internal() {
  75         //we do not know if it was internal or external originally
  76         return true;
  77     }
  78
  79     /**
  80      * No changing of password.
  81      *
  82      * @return bool
  83      */
  84     function can_change_password() {
  85         return false;
  86     }
  87
  88     /**
  89      * No password resetting.
  90      */
  91     function can_reset_password() {
  92         return false;
  93     }
  94
  95     /**
  96      * Returns true if plugin can be manually set.
  97      *
  98      * @return bool
  99      */
 100     function can_be_manually_set() {
 101         return true;
 102     }
 103 }
 104
 105