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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Scheduled task to revoke unusable factors that will never pass.
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*
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* @package factor_nosetup
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* @author Peter Burnett <peterburnett@catalyst-au.net>
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* @copyright Catalyst IT
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace factor_nosetup\task;
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/**
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* Scheduled task to add log events into DB table.
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*/
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class delete_unusable_factors extends \core\task\scheduled_task {
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/**
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* Return the task's name as shown in admin screens.
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*
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* @return string
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*/
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public function get_name(): string {
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return get_string('deleteunusablefactors', 'factor_nosetup');
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}
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/**
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* Execute the task.
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*
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* @return void
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*/
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public function execute(): void {
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mtrace('Starting to revoke unusable Nosetup factors');
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$this->revoke_factors();
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}
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/**
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* Revokes all nosetup factors that will now always fail.
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*
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* @return void
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*/
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private function revoke_factors(): void {
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global $DB;
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$factorobject = \tool_mfa\plugininfo\factor::get_factor('nosetup');
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// We need to get all nosetup factors, and check that for ones that no longer have a pass state.
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$allfactorssql = "SELECT DISTINCT tm.userid
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FROM {tool_mfa} tm
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JOIN {user} u ON u.id = tm.userid
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WHERE tm.factor = :factor
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AND u.suspended = 0
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AND u.deleted = 0
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AND (
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SELECT COUNT(id) as count
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FROM {tool_mfa}
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WHERE userid = tm.userid
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AND factor <> :notfactor
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) > 0";
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$useridrecordset = $DB->get_recordset_sql($allfactorssql, ['factor' => 'nosetup', 'notfactor' => 'nosetup']);
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foreach ($useridrecordset as $userid) {
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// If pass state is no longer possible, add delete user factor.
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$user = \core_user::get_user($userid->userid);
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if (!in_array(\tool_mfa\plugininfo\factor::STATE_PASS, $factorobject->possible_states($user))) {
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$factorobject->delete_factor_for_user($user);
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}
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}
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$useridrecordset->close();
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mtrace('Finished revoking unusable Nosetup factors');
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}
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}
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