3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Module\OAuth;
24 use Friendica\Core\Logger;
25 use Friendica\Core\System;
26 use Friendica\Database\DBA;
28 use Friendica\Module\BaseApi;
31 * @see https://docs.joinmastodon.org/spec/oauth/
32 * @see https://aaronparecki.com/oauth-2-simplified/
34 class Token extends BaseApi
36 public static function post(array $parameters = [])
38 $grant_type = $_REQUEST['grant_type'] ?? '';
39 $code = $_REQUEST['code'] ?? '';
40 $redirect_uri = $_REQUEST['redirect_uri'] ?? '';
41 $client_id = $_REQUEST['client_id'] ?? '';
42 $client_secret = $_REQUEST['client_secret'] ?? '';
44 // AndStatus transmits the client data in the AUTHORIZATION header field, see https://github.com/andstatus/andstatus/issues/530
45 if (empty($client_id) && !empty($_SERVER['HTTP_AUTHORIZATION']) && (substr($_SERVER['HTTP_AUTHORIZATION'], 0, 6) == 'Basic ')) {
46 $datapair = explode(':', base64_decode(trim(substr($_SERVER['HTTP_AUTHORIZATION'], 6))));
47 if (count($datapair) == 2) {
48 $client_id = $datapair[0];
49 $client_secret = $datapair[1];
53 if ($grant_type != 'authorization_code') {
54 Logger::warning('Unsupported or missing grant type', ['request' => $_REQUEST]);
55 DI::mstdnError()->UnprocessableEntity(DI::l10n()->t('Unsupported or missing grant type'));
58 if (empty($client_id) || empty($client_secret) || empty($redirect_uri)) {
59 Logger::warning('Incomplete request data', ['request' => $_REQUEST]);
60 DI::mstdnError()->UnprocessableEntity(DI::l10n()->t('Incomplete request data'));
63 $application = self::getApplication($client_id, $client_secret, $redirect_uri);
64 if (empty($application)) {
65 DI::mstdnError()->UnprocessableEntity();
68 // For security reasons only allow freshly created tokens
69 $condition = ["`application-id` = ? AND `code` = ? AND `created_at` > UTC_TIMESTAMP() - INTERVAL ? MINUTE", $application['id'], $code, 5];
71 $token = DBA::selectFirst('application-token', ['access_token', 'created_at'], $condition);
72 if (!DBA::isResult($token)) {
73 Logger::warning('Token not found or outdated', $condition);
74 DI::mstdnError()->Unauthorized();
77 $object = new \Friendica\Object\Api\Mastodon\Token($token['access_token'], 'Bearer', $application['scopes'], $token['created_at']);
79 System::jsonExit($object->toArray());