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<?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\service;use core\oauth2\discovery\openidconnect;use core\oauth2\issuer;/*** Class linkedin.** OAuth 2 issuer for linkedin which is mostly OIDC compliant, with a few notable exceptions which require working around:** 1. LinkedIn don't provide their OIDC discovery doc at {ISSUER}/.well-known/openid-configuration as the spec requires.* i.e. https://www.linkedin.com/.well-known/openid-configuration isn't present.* Instead, they make the configuration available at https://www.linkedin.com/oauth/.well-known/openid-configuration.* See: https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfig** 2. LinkedIn don't return 'locale' as a string in the userinfo but instead return an object with 'language' and 'country' props.* See: https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims* This is resolved in {@see \core\oauth2\client\linkedin::get_userinfo()}** @copyright 2021 Peter Dias* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later* @package core*/class linkedin extends openidconnect {/*** Build an OAuth2 issuer, with all the default values for this service.** @return issuer The issuer initialised with proper default values.*/public static function init(): issuer {$record = (object) ['name' => 'LinkedIn','image' => 'https://static.licdn.com/scds/common/u/images/logos/favicons/v1/favicon.ico','baseurl' => 'https://www.linkedin.com/oauth', // The /oauth is where .well-known/openid-configuration lives.'loginscopes' => 'openid profile email','loginscopesoffline' => 'openid profile email','showonloginpage' => issuer::EVERYWHERE,'servicetype' => 'linkedin',];$issuer = new issuer(0, $record);return $issuer;}}