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 core\oauth2\discovery;

use stdClass;

use core\oauth2\issuer;

use core\oauth2\endpoint;

use core\oauth2\user_field_mapping;

/**

 * Class for Open ID Connect discovery definition.

 *

 * @package    core

 * @since      Moodle 3.11

 * @copyright  2021 Sara Arjona (sara@moodle.com)

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

 */

class openidconnect extends base_definition {

    /**

     * Get the URL for the discovery manifest.

     *

     * @param issuer $issuer The OAuth issuer the endpoints should be discovered for.

     * @return string The URL of the discovery file, containing the endpoints.

     */

    public static function get_discovery_endpoint_url(issuer $issuer): string {

        $url = $issuer->get('baseurl');

        if (!empty($url)) {

            // Add slash at the end of the base url.

            $url .= (substr($url, -1) == '/' ? '' : '/');

            // Append the well-known file for OIDC.

            $url .= '.well-known/openid-configuration';

        }

        return $url;

    }

    /**

     * Process the discovery information and create endpoints defined with the expected format.

     *

     * @param issuer $issuer The OAuth issuer the endpoints should be discovered for.

     * @param stdClass $info The discovery information, with the endpoints to process and create.

     * @return void

     */

    protected static function process_configuration_json(issuer $issuer, stdClass $info): void {

        foreach ($info as $key => $value) {

            if (substr_compare($key, '_endpoint', - strlen('_endpoint')) === 0) {

                $record = new stdClass();

                $record->issuerid = $issuer->get('id');

                $record->name = $key;

                $record->url = $value;

                $endpoint = new endpoint(0, $record);

                $endpoint->create();

            }

            if ($key == 'scopes_supported') {

                $issuer->set('scopessupported', implode(' ', $value));

                $issuer->update();

            }

        }

    }

    /**

     * Process how to map user field information.

     *

     * @param issuer $issuer The OAuth issuer the endpoints should be discovered for.

     * @return void

     */

    protected static function create_field_mappings(issuer $issuer): void {

        // Remove existing user field mapping.

        foreach (user_field_mapping::get_records(['issuerid' => $issuer->get('id')]) as $userfieldmapping) {

            $userfieldmapping->delete();

        }

        // Create the default user field mapping list.

        $mapping = [

            'given_name' => 'firstname',

            'middle_name' => 'middlename',

            'family_name' => 'lastname',

            'email' => 'email',

            'nickname' => 'alternatename',

            'picture' => 'picture',

            'address' => 'address',

            'phone' => 'phone1',

            'locale' => 'lang',

        ];

        foreach ($mapping as $external => $internal) {

            $record = (object) [

                'issuerid' => $issuer->get('id'),

                'externalfield' => $external,

                'internalfield' => $internal

            ];

            $userfieldmapping = new user_field_mapping(0, $record);

            $userfieldmapping->create();

        }

    }

    /**

     * Self-register the issuer if the 'registration' endpoint exists and client id and secret aren't defined.

     *

     * @param issuer $issuer The OAuth issuer to register.

     * @return void

     */

    protected static function register(issuer $issuer): void {

        // Registration not supported (at least for now).

    }

}