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MDL-65637 core_oauth2: Introduce a new custom linkedin oauth2 client
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Peter Dias
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Jun 2, 2021
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| <?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\client; | ||
|
|
||
| use core\oauth2\client; | ||
|
|
||
| /** | ||
| * Class linkedin - Custom client handler to fetch data from linkedin | ||
| * | ||
| * Custom oauth2 client for linkedin as it doesn't support OIDC and has a different way to get | ||
| * key information for users - firstname, lastname, email. | ||
| * | ||
| * @copyright 2021 Peter Dias | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| * @package core | ||
| */ | ||
| class linkedin extends client { | ||
| /** | ||
| * Fetch the user info from the userinfo and email endpoint and map fields back | ||
| * | ||
| * @return array|false | ||
| */ | ||
| public function get_userinfo() { | ||
| $user = array_merge(parent::get_userinfo(), $this->get_useremail()); | ||
| return $user; | ||
| } | ||
|
|
||
| /** | ||
| * Get the email address of the user from the email endpoint | ||
| * | ||
| * @return array|false | ||
| */ | ||
| private function get_useremail() { | ||
| $url = $this->get_issuer()->get_endpoint_url('email'); | ||
|
|
||
| $response = $this->get($url); | ||
| if (!$response) { | ||
| return false; | ||
| } | ||
| $userinfo = new \stdClass(); | ||
| try { | ||
| $userinfo = json_decode($response); | ||
| } catch (\Exception $e) { | ||
| return false; | ||
| } | ||
|
|
||
| return $this->map_userinfo_to_fields($userinfo); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| <?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\issuer; | ||
| use core\oauth2\endpoint; | ||
| use core\oauth2\user_field_mapping; | ||
|
|
||
| /** | ||
| * Class linkedin. | ||
| * | ||
| * Custom oauth2 issuer for linkedin as it doesn't support OIDC and has a different way to get | ||
| * key information for users - firstname, lastname, email. | ||
| * | ||
| * @copyright 2021 Peter Dias | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| * @package core | ||
| */ | ||
| class linkedin implements issuer_interface { | ||
| /** | ||
| * 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://api.linkedin.com/v2', | ||
| 'loginscopes' => 'r_liteprofile r_emailaddress', | ||
| 'loginscopesoffline' => 'r_liteprofile r_emailaddress', | ||
| 'showonloginpage' => issuer::EVERYWHERE, | ||
| 'servicetype' => 'linkedin', | ||
| ]; | ||
|
|
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| $issuer = new issuer(0, $record); | ||
| return $issuer; | ||
| } | ||
|
|
||
| /** | ||
| * Create endpoints for this issuer. | ||
| * | ||
| * @param issuer $issuer Issuer the endpoints should be created for. | ||
| * @return issuer | ||
| */ | ||
| public static function create_endpoints(issuer $issuer): issuer { | ||
| $endpoints = [ | ||
| 'authorization_endpoint' => 'https://www.linkedin.com/oauth/v2/authorization', | ||
| 'token_endpoint' => 'https://www.linkedin.com/oauth/v2/accessToken', | ||
| 'email_endpoint' => 'https://api.linkedin.com/v2/emailAddress?q=members&projection=(elements*(handle~))', | ||
| 'userinfo_endpoint' => "https://api.linkedin.com/v2/me?projection=(localizedFirstName,localizedLastName," | ||
| . "profilePicture(displayImage~digitalmediaAsset:playableStreams))", | ||
| ]; | ||
| foreach ($endpoints as $name => $url) { | ||
| $record = (object) [ | ||
| 'issuerid' => $issuer->get('id'), | ||
| 'name' => $name, | ||
| 'url' => $url | ||
| ]; | ||
| $endpoint = new endpoint(0, $record); | ||
| $endpoint->create(); | ||
| } | ||
|
|
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| // Create the field mappings. | ||
| $mapping = [ | ||
| 'localizedFirstName' => 'firstname', | ||
| 'localizedLastName' => 'lastname', | ||
| 'elements[0]-handle~-emailAddress' => 'email', | ||
| 'profilePicture-displayImage~-elements[0]-identifiers[0]-identifier' => 'picture' | ||
| ]; | ||
| foreach ($mapping as $external => $internal) { | ||
| $record = (object) [ | ||
| 'issuerid' => $issuer->get('id'), | ||
| 'externalfield' => $external, | ||
| 'internalfield' => $internal | ||
| ]; | ||
| $userfieldmapping = new user_field_mapping(0, $record); | ||
| $userfieldmapping->create(); | ||
| } | ||
|
|
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| return $issuer; | ||
| } | ||
|
|
||
| /** | ||
| * Linkedin does not have a discovery url that could be found. Return empty. | ||
| * @param issuer $issuer | ||
| * @return int | ||
| */ | ||
| public static function discover_endpoints($issuer): int { | ||
| return 0; | ||
| } | ||
| } |
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