[Summary view] [Print] [Text view]

   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      function auth_plugin_none() {
  38          $this->authtype = 'none';
  39          $this->config = get_config('auth/none');
  40      }
  41  
  42      /**
  43       * Returns true if the username and password work or don't exist and false
  44       * if the user exists and the password is wrong.
  45       *
  46       * @param string $username The username
  47       * @param string $password The password
  48       * @return bool Authentication success or failure.
  49       */
  50      function user_login ($username, $password) {
  51          global $CFG, $DB;
  52          if ($user = $DB->get_record('user', array('username'=>$username, 'mnethostid'=>$CFG->mnet_localhost_id))) {
  53              return validate_internal_user_password($user, $password);
  54          }
  55          return true;
  56      }
  57  
  58      /**
  59       * Updates the user's password.
  60       *
  61       * called when the user password is updated.
  62       *
  63       * @param  object  $user        User table object
  64       * @param  string  $newpassword Plaintext password
  65       * @return boolean result
  66       *
  67       */
  68      function user_update_password($user, $newpassword) {
  69          $user = get_complete_user_data('id', $user->id);
  70          // This will also update the stored hash to the latest algorithm
  71          // if the existing hash is using an out-of-date algorithm (or the
  72          // legacy md5 algorithm).
  73          return update_internal_user_password($user, $newpassword);
  74      }
  75  
  76      function prevent_local_passwords() {
  77          return false;
  78      }
  79  
  80      /**
  81       * Returns true if this authentication plugin is 'internal'.
  82       *
  83       * @return bool
  84       */
  85      function is_internal() {
  86          return true;
  87      }
  88  
  89      /**
  90       * Returns true if this authentication plugin can change the user's
  91       * password.
  92       *
  93       * @return bool
  94       */
  95      function can_change_password() {
  96          return true;
  97      }
  98  
  99      /**
 100       * Returns the URL for changing the user's pw, or empty if the default can
 101       * be used.
 102       *
 103       * @return moodle_url
 104       */
 105      function change_password_url() {
 106          return null;
 107      }
 108  
 109      /**
 110       * Returns true if plugin allows resetting of internal password.
 111       *
 112       * @return bool
 113       */
 114      function can_reset_password() {
 115          return true;
 116      }
 117  
 118      /**
 119       * Returns true if plugin can be manually set.
 120       *
 121       * @return bool
 122       */
 123      function can_be_manually_set() {
 124          return true;
 125      }
 126  
 127      /**
 128       * Prints a form for configuring this authentication plugin.
 129       *
 130       * This function is called from admin/auth.php, and outputs a full page with
 131       * a form for configuring this plugin.
 132       *
 133       * @param array $page An object containing all the data for this page.
 134       */
 135      function config_form($config, $err, $user_fields) {
 136          include  "config.html";
 137      }
 138  
 139      /**
 140       * Processes and stores configuration data for this authentication plugin.
 141       */
 142      function process_config($config) {
 143          return true;
 144      }
 145  
 146  }
 147  
 148