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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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* This file returns the OpenId/LTI Configuration for this site.
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*
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* It is part of the LTI Tool Dynamic Registration, and used by
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* tools to get the site configuration and registration end-point.
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*
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* @package mod_lti
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* @copyright 2020 Claude Vervoort (Cengage), Carlos Costa, Adrian Hutchinson (Macgraw Hill)
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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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use mod_lti\local\ltiopenid\registration_helper;
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define('NO_DEBUG_DISPLAY', true);
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define('NO_MOODLE_COOKIES', true);
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require_once(__DIR__ . '/../../config.php');
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require_once($CFG->dirroot . '/mod/lti/locallib.php');
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require_once($CFG->libdir.'/weblib.php');
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$scopes = registration_helper::get()->lti_get_service_scopes();
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$scopes[] = 'openid';
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$conf = [
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'issuer' => $CFG->wwwroot,
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'token_endpoint' => (new moodle_url('/mod/lti/token.php'))->out(false),
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'token_endpoint_auth_methods_supported' => ['private_key_jwt'],
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'token_endpoint_auth_signing_alg_values_supported' => ['RS256'],
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'jwks_uri' => (new moodle_url('/mod/lti/certs.php'))->out(false),
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'authorization_endpoint' => (new moodle_url('/mod/lti/auth.php'))->out(false),
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'registration_endpoint' => (new moodle_url('/mod/lti/openid-registration.php'))->out(false),
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'scopes_supported' => $scopes,
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'response_types_supported' => ['id_token'],
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'subject_types_supported' => ['public', 'pairwise'],
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'id_token_signing_alg_values_supported' => ['RS256'],
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'claims_supported' => ['sub', 'iss', 'name', 'given_name', 'family_name', 'email'],
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'https://purl.imsglobal.org/spec/lti-platform-configuration' => [
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'product_family_code' => 'moodle',
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'version' => $CFG->release,
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'messages_supported' => [['type' => 'LtiResourceLinkRequest'],
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['type' => 'LtiDeepLinkingRequest', 'placements' => ['ContentArea']]],
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'variables' => array_keys(lti_get_capabilities())
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]
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];
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@header('Content-Type: application/json; charset=utf-8');
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echo json_encode($conf, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
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