source: moodle/trunk/fuentes/lib/classes/task/password_reset_cleanup_task.php @ 1331

Last change on this file since 1331 was 136, checked in by mabarracus, 4 years ago

Ported code to xenial

File size: 1.9 KB
Line 
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 * A scheduled task.
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 */
24namespace core\task;
25
26/**
27 * Simple task to delete old password reset records.
28 */
29class password_reset_cleanup_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('taskpasswordresetcleanup', '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, $CFG;
46
47        // Cleanup user password reset records.
48        // Delete any reset request records which are expired by more than a day.
49        // (We keep recently expired requests around so we can give a different error msg to users who
50        // are trying to user a recently expired reset attempt).
51        $pwresettime = isset($CFG->pwresettime) ? $CFG->pwresettime : 1800;
52        $earliestvalid = time() - $pwresettime - DAYSECS;
53        $DB->delete_records_select('user_password_resets', "timerequested < ?", array($earliestvalid));
54        mtrace(' Cleaned up old password reset records');
55
56    }
57
58}
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