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✏️ Editing: revoke_expired_factors.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/>.

/**
 * Scheduled task to revoke expired factors
 *
 * @package   factor_grace
 * @author    Peter Burnett <peterburnett@catalyst-au.net>
 * @copyright Catalyst IT
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace factor_grace\task;

/**
 * Scheduled task to revoke expired gracemode factors
 */
class revoke_expired_factors extends \core\task\scheduled_task {

/**
     * Return the task's name as shown in admin screens.
     *
     * @return string
     */
    public function get_name(): string {
        return get_string('revokeexpiredfactors', 'factor_grace');
    }

/**
     * Execute the task.
     *
     * @return void
     */
    public function execute(): void {
        mtrace('Starting to revoke expired Grace factors');
        $this->revoke_factors();
    }

/**
     * Revokes all grace factors that have a valid timecreated and are outside the duration.
     *
     * @return void
     */
    private function revoke_factors(): void {
        global $DB;

// If config is not set, pull out.
        $duration = get_config('factor_grace', 'graceperiod');
        if (!$duration) {
            mtrace('Gracemode duration is not set. Exiting...');
            return;
        }
        $revoketime = time() - $duration;

// Single query implementation.
        $sql = "UPDATE {tool_mfa}
                    SET revoked = 1,
                        timemodified = :timemodified
                    WHERE timecreated < :revoketime
                    AND factor = :factor";
        $DB->execute($sql, ['timemodified' => time(), 'revoketime' => $revoketime, 'factor' => 'grace']);

mtrace('Finished revoking expired Grace factors');
    }
}

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