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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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namespace factor_auth;
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use stdClass;
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use tool_mfa\local\factor\object_factor_base;
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/**
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* Auth factor class.
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*
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* @package factor_auth
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* @author Mikhail Golenkov <golenkovm@gmail.com>
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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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class factor extends object_factor_base {
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/**
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* Auth Factor implementation.
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* Factor is a singleton, can only be one instance.
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*
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* @param stdClass $user the user to check against.
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* @return array
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*/
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public function get_all_user_factors(stdClass $user): array {
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global $DB;
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$records = $DB->get_records('tool_mfa', ['userid' => $user->id, 'factor' => $this->name]);
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if (!empty($records)) {
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return $records;
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}
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// Null records returned, build new record.
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$record = [
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'userid' => $user->id,
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'factor' => $this->name,
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'timecreated' => time(),
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'createdfromip' => $user->lastip,
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'timemodified' => time(),
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'revoked' => 0,
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];
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$record['id'] = $DB->insert_record('tool_mfa', $record, true);
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return [(object) $record];
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}
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/**
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* Auth Factor implementation.
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* Factor does not have input.
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*
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* {@inheritDoc}
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*/
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public function has_input(): bool {
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return false;
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}
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/**
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* Auth Factor implementation.
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* State check is performed here, as there is no form to do it in.
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*
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* {@inheritDoc}
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*/
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public function get_state(): string {
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global $USER;
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$safetypes = get_config('factor_auth', 'goodauth');
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if (strlen($safetypes) != 0) {
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$safetypes = explode(',', $safetypes);
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// Check all safetypes against user auth.
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if (in_array($USER->auth, $safetypes, true)) {
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return \tool_mfa\plugininfo\factor::STATE_PASS;
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}
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return \tool_mfa\plugininfo\factor::STATE_NEUTRAL;
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} else {
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return \tool_mfa\plugininfo\factor::STATE_NEUTRAL;
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}
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}
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/**
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* Auth Factor implementation.
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* The state can never be set. Always return true.
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*
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* @param string $state the state constant to set
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* @return bool
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*/
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public function set_state(string $state): bool {
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return true;
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}
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/**
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* Auth factor implementation.
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* Return list of auth types that are safe.
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*
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* {@inheritDoc}
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*/
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public function get_summary_condition(): string {
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$safetypes = get_config('factor_auth', 'goodauth');
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return get_string('summarycondition', 'factor_'.$this->name, $safetypes);
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}
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}
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