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