masterpassword.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Master Password Settings
 *
 * @package    auth_basic
 * @copyright  2018 Nathan Nguyen <nathannguyen@catalyst-au.nete>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__.'/../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once('./classes/form/savepassword.php');
require_once($CFG->libdir.'/tablelib.php');

require_login();
require_capability('moodle/site:config', context_system::instance());

admin_externalpage_setup('auth_basic_masterpassword');
$thispage = '/auth/basic/masterpassword.php';

$PAGE->set_url(new moodle_url($thispage));

echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('masterpassword', 'auth_basic'));

if (!isset($CFG->auth_basic_enabled_master_password)) {
    echo $OUTPUT->notification(get_string('masterpassword_not_enabled', 'auth_basic'), 'notifyproblem');
}

if (!is_enabled_auth('basic')) {
    echo $OUTPUT->notification(get_string('auth_basic_not_enabled', 'auth_basic'), 'notifyproblem');
}

$whitelist = $CFG->auth_basic_whitelist_ips ?? null;
if (!isset($whitelist)) {
    echo $OUTPUT->notification(get_string('whitelist_not_set', 'auth_basic'), 'notifyproblem');
} else {
    echo $OUTPUT->notification(get_string('whitelistonly', 'auth_basic', $whitelist), 'notifysuccess');
}

// Save Password Form.
$password = time().uniqid();
$mform = new savepassword(null, array('password' => $password));

if ($formdata = $mform->get_data()) {
    $record = new stdClass();
    $record->password = $formdata->password;
    $record->userid = $USER->id;
    $record->uses = 0;
    $record->timecreated = time();
    $record->timeexpired = time() + DAYSECS;
    $DB->insert_record('auth_basic_master_password', $record);
    redirect(new moodle_url($thispage));
} else {
    $mform->set_data($toform);
    $mform->display();
}

// Master Password Table.
echo $OUTPUT->heading(get_string('generated_masterpassword', 'auth_basic'));

$sql = "SELECT COUNT(*) FROM {auth_basic_master_password}";
$record = $DB->get_record_sql($sql);
if (!empty($record) && ($total = $record->count) > 0) {
    $perpage = 20;
    $page = optional_param('page', 0, PARAM_INT);
    $offset = $page * $perpage;

    $sql = "SELECT p.*, u.firstname, u.lastname
              FROM {auth_basic_master_password} p
              JOIN {user} u on u.id = p.userid
             ORDER BY p.timecreated DESC";
    $records = $DB->get_records_sql($sql, null, $offset, $perpage);

    if (!empty($records) && count($records) > 0) {
        $table = new html_table();
        $table->attributes['class'] = 'generaltable catalystadmins';
        $table->head = array(
            get_string('username', 'auth_basic'),
            get_string('password', 'auth_basic'),
            get_string('uses', 'auth_basic'),
            get_string('timecreated', 'auth_basic'),
            get_string('timeexpired', 'auth_basic'),
        );

        foreach ($records as $record) {
            $row = array();
            $row[] = fullname($record);
            if ($record->userid == $USER->id) {
                $row[] = $record->password;
            } else {
                $row[] = "*hidden*";
            }

            $row[] = $record->uses;
            $row[] = userdate($record->timecreated, get_string('strftimerecentfull'));
            $row[] = userdate($record->timeexpired, get_string('strftimerecentfull'));
            $table->data[] = $row;
        }
        echo html_writer::table($table);
        $baseurl = new moodle_url('/auth/basic/masterpassword.php', array('perpage' => $perpage));
        echo $OUTPUT->paging_bar($total, $page, $perpage, $baseurl);
    }
}



echo $OUTPUT->footer();