Proyectos de Subversion Moodle

<?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/>.

namespace tool_mfa\local\form;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir . "/formslib.php");

/**

 * Setup factor form

 *

 * @package     tool_mfa

 * @author      Mikhail Golenkov <golenkovm@gmail.com>

 * @copyright   Catalyst IT

 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class setup_factor_form extends \moodleform {

    /**

     * {@inheritDoc}

     * @see moodleform::definition()

     */

    public function definition(): void {

        $mform = $this->_form;

        // Indicate a factor id that will be replaced with this setup.

        $replaceid = $this->_customdata['replaceid'] ?? null;

        if (!empty($replaceid)) {

            $mform->addelement('hidden', 'replaceid', $replaceid);

            $mform->setType('replaceid', PARAM_INT);

        }

        $factorname = $this->_customdata['factorname'];

        $factor = \tool_mfa\plugininfo\factor::get_factor($factorname);

        $mform = $factor->setup_factor_form_definition($mform);

        $this->xss_whitelist_static_form_elements($mform);

    }

    /**

     * Validates setup_factor form with given factor validation method.

     *

     * @param array $data

     * @param array $files

     * @return array

     */

    public function validation($data, $files) {

        $errors = parent::validation($data, $files);

        $factorname = $this->_customdata['factorname'];

        $factor = \tool_mfa\plugininfo\factor::get_factor($factorname);

        $errors += $factor->setup_factor_form_validation($data);

        return $errors;

    }

    /**

     * Invokes factor setup_factor_form_definition_after_data() method after form data has been set.

     */

    public function definition_after_data(): void {

        $mform = $this->_form;

        $factorname = $this->_customdata['factorname'];

        $factor = \tool_mfa\plugininfo\factor::get_factor($factorname);

        $mform = $factor->setup_factor_form_definition_after_data($mform);

        $this->xss_whitelist_static_form_elements($mform);

        $this->add_action_buttons(true, $factor->setup_factor_form_submit_button_string());

    }

    /**

     * Form elements clean up

     *

     * @param \HTML_QuickForm $mform

     * @return void

     */

    private function xss_whitelist_static_form_elements($mform): void {

        if (!method_exists('MoodleQuickForm_static', 'set_allow_xss')) {

            return;

        }

        $elements = $mform->_elements;

        foreach ($elements as $element) {

            if (is_a($element, 'MoodleQuickForm_static')) {

                $element->set_allow_xss(true);

            }

        }

    }

}