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Differences Between: [Versions 310 and 401] [Versions 39 and 401]

   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   * Scheduled task class.
  19   *
  20   * @package    core
  21   * @copyright  2013 onwards Martin Dougiamas  http://dougiamas.com
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  namespace core\task;
  25  
  26  /**
  27   * Simple task to create accounts and send password emails for new users.
  28   */
  29  class send_new_user_passwords_task extends scheduled_task {
  30  
  31      /**
  32       * Get a descriptive name for this task (shown to admins).
  33       *
  34       * @return string
  35       */
  36      public function get_name() {
  37          return get_string('tasksendnewuserpasswords', 'admin');
  38      }
  39  
  40      /**
  41       * Do the job.
  42       * Throw exceptions on errors (the job will be retried).
  43       */
  44      public function execute() {
  45          global $DB;
  46  
  47          // Generate new password emails for users - ppl expect these generated asap.
  48          if ($DB->count_records('user_preferences', array('name' => 'create_password', 'value' => '1'))) {
  49              mtrace('Creating passwords for new users...');
  50              $userfieldsapi = \core_user\fields::for_name();
  51              $usernamefields = $userfieldsapi->get_sql('u', false, '', '', false)->selects;
  52              $newusers = $DB->get_recordset_sql("SELECT u.id as id, u.email, u.auth, u.deleted,
  53                                                       u.suspended, u.emailstop, u.mnethostid, u.mailformat,
  54                                                       $usernamefields, u.username, u.lang,
  55                                                       p.id as prefid
  56                                                  FROM {user} u
  57                                                  JOIN {user_preferences} p ON u.id=p.userid
  58                                                 WHERE p.name='create_password' AND p.value='1' AND
  59                                                       u.email !='' AND u.suspended = 0 AND
  60                                                       u.auth != 'nologin' AND u.deleted = 0");
  61  
  62              // Note: we can not send emails to suspended accounts.
  63              foreach ($newusers as $newuser) {
  64                  // Use a low cost factor when generating bcrypt hash otherwise
  65                  // hashing would be slow when emailing lots of users. Hashes
  66                  // will be automatically updated to a higher cost factor the first
  67                  // time the user logs in.
  68                  if (setnew_password_and_mail($newuser, true)) {
  69                      unset_user_preference('create_password', $newuser);
  70                      set_user_preference('auth_forcepasswordchange', 1, $newuser);
  71                  } else {
  72                      trigger_error("Could not create and mail new user password!");
  73                  }
  74              }
  75              $newusers->close();
  76          }
  77      }
  78  
  79  }