auth/none/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  * Anobody can login with any password.
  19  *
  20  * @package auth_none
  21  * @author Martin Dougiamas
  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.
  31  */
  32 class auth_plugin_none extends auth_plugin_base {
  33
  34     /**
  35      * Constructor.
  36      */
  37     public function __construct() {
  38         $this->authtype = 'none';
  39         $this->config = get_config('auth_none');
  40     }
  41
  42     /**
  43      * Old syntax of class constructor. Deprecated in PHP7.
  44      *
  45      * @deprecated since Moodle 3.1
  46      */
  47     public function auth_plugin_none() {
  48         debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
  49         self::__construct();
  50     }
  51
  52     /**
  53      * Returns true if the username and password work or don't exist and false
  54      * if the user exists and the password is wrong.
  55      *
  56      * @param string $username The username
  57      * @param string $password The password
  58      * @return bool Authentication success or failure.
  59      */
  60     function user_login ($username, $password) {
  61         global $CFG, $DB;
  62         if ($user = $DB->get_record('user', array('username'=>$username, 'mnethostid'=>$CFG->mnet_localhost_id))) {
  63             return validate_internal_user_password($user, $password);
  64         }
  65         return true;
  66     }
  67
  68     /**
  69      * Updates the user's password.
  70      *
  71      * called when the user password is updated.
  72      *
  73      * @param  object  $user        User table object
  74      * @param  string  $newpassword Plaintext password
  75      * @return boolean result
  76      *
  77      */
  78     function user_update_password($user, $newpassword) {
  79         $user = get_complete_user_data('id', $user->id);
  80         // This will also update the stored hash to the latest algorithm
  81         // if the existing hash is using an out-of-date algorithm (or the
  82         // legacy md5 algorithm).
  83         return update_internal_user_password($user, $newpassword);
  84     }
  85
  86     function prevent_local_passwords() {
  87         return false;
  88     }
  89
  90     /**
  91      * Returns true if this authentication plugin is 'internal'.
  92      *
  93      * @return bool
  94      */
  95     function is_internal() {
  96         return true;
  97     }
  98
  99     /**
 100      * Returns true if this authentication plugin can change the user's
 101      * password.
 102      *
 103      * @return bool
 104      */
 105     function can_change_password() {
 106         return true;
 107     }
 108
 109     /**
 110      * Returns the URL for changing the user's pw, or empty if the default can
 111      * be used.
 112      *
 113      * @return moodle_url
 114      */
 115     function change_password_url() {
 116         return null;
 117     }
 118
 119     /**
 120      * Returns true if plugin allows resetting of internal password.
 121      *
 122      * @return bool
 123      */
 124     function can_reset_password() {
 125         return true;
 126     }
 127
 128     /**
 129      * Returns true if plugin can be manually set.
 130      *
 131      * @return bool
 132      */
 133     function can_be_manually_set() {
 134         return true;
 135     }
 136
 137 }
 138
 139