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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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/**
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* Provide static functions for creating and validating issuers.
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*
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* @package repository_nextcloud
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* @copyright 2018 Jan Dageförde (Learnweb, University of Münster)
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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 repository_nextcloud;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Provide static functions for creating and validating issuers.
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*
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* @package repository_nextcloud
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* @copyright 2018 Jan Dageförde (Learnweb, University of Münster)
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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 issuer_management {
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/**
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* Check if an issuer provides all endpoints that are required by repository_nextcloud.
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* @param \core\oauth2\issuer $issuer An issuer.
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* @return bool True, if all endpoints exist; false otherwise.
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*/
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public static function is_valid_issuer(\core\oauth2\issuer $issuer) {
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$endpointwebdav = false;
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$endpointocs = false;
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$endpointtoken = false;
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$endpointauth = false;
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$endpointuserinfo = false;
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$endpoints = \core\oauth2\api::get_endpoints($issuer);
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foreach ($endpoints as $endpoint) {
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$name = $endpoint->get('name');
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switch ($name) {
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case 'webdav_endpoint':
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$endpointwebdav = true;
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break;
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case 'ocs_endpoint':
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$endpointocs = true;
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break;
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case 'token_endpoint':
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$endpointtoken = true;
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break;
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case 'authorization_endpoint':
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$endpointauth = true;
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break;
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case 'userinfo_endpoint':
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$endpointuserinfo = true;
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break;
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}
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}
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return $endpointwebdav && $endpointocs && $endpointtoken && $endpointauth && $endpointuserinfo;
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}
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/**
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* Returns the parsed url parts of an endpoint of an issuer.
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* @param string $endpointname
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* @param \core\oauth2\issuer $issuer
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* @return array parseurl [scheme => https/http, host=>'hostname', port=>443, path=>'path']
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* @throws configuration_exception if an endpoint is undefined
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*/
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public static function parse_endpoint_url(string $endpointname, \core\oauth2\issuer $issuer): array {
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$url = $issuer->get_endpoint_url($endpointname);
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if (empty($url)) {
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throw new configuration_exception(get_string('endpointnotdefined', 'repository_nextcloud', $endpointname));
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}
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return parse_url($url);
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}
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}
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