mirror of https://github.com/friendica/friendica
109 lines
4.2 KiB
PHP
109 lines
4.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Module\OAuth;
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use Friendica\Core\Logger;
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use Friendica\DI;
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use Friendica\Module\BaseApi;
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use Friendica\Security\OAuth;
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/**
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* @see https://docs.joinmastodon.org/spec/oauth/
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* @see https://aaronparecki.com/oauth-2-simplified/
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*/
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class Authorize extends BaseApi
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{
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private static $oauth_code = '';
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/**
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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protected function rawContent(array $request = [])
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{
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$request = self::getRequest([
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'force_login' => '', // Forces the user to re-login, which is necessary for authorizing with multiple accounts from the same instance.
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'response_type' => '', // Should be set equal to "code".
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'client_id' => '', // Client ID, obtained during app registration.
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'client_secret' => '', // Isn't normally provided. We will use it if present.
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'redirect_uri' => '', // Set a URI to redirect the user to. If this parameter is set to "urn:ietf:wg:oauth:2.0:oob" then the authorization code will be shown instead. Must match one of the redirect URIs declared during app registration.
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'scope' => 'read', // List of requested OAuth scopes, separated by spaces (or by pluses, if using query parameters). Must be a subset of scopes declared during app registration. If not provided, defaults to "read".
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'state' => '',
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], $request);
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if ($request['response_type'] != 'code') {
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Logger::warning('Unsupported or missing response type', ['request' => $_REQUEST]);
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DI::mstdnError()->UnprocessableEntity(DI::l10n()->t('Unsupported or missing response type'));
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}
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if (empty($request['client_id']) || empty($request['redirect_uri'])) {
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Logger::warning('Incomplete request data', ['request' => $_REQUEST]);
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DI::mstdnError()->UnprocessableEntity(DI::l10n()->t('Incomplete request data'));
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}
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$application = OAuth::getApplication($request['client_id'], $request['client_secret'], $request['redirect_uri']);
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if (empty($application)) {
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DI::mstdnError()->UnprocessableEntity();
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}
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// @todo Compare the application scope and requested scope
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$redirect_request = $_REQUEST;
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unset($redirect_request['pagename']);
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$redirect = 'oauth/authorize?' . http_build_query($redirect_request);
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$uid = local_user();
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if (empty($uid)) {
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Logger::info('Redirect to login');
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DI::app()->redirect('login?return_path=' . urlencode($redirect));
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} else {
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Logger::info('Already logged in user', ['uid' => $uid]);
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}
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if (!OAuth::existsTokenForUser($application, $uid) && !DI::session()->get('oauth_acknowledge')) {
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Logger::info('Redirect to acknowledge');
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DI::app()->redirect('oauth/acknowledge?' . http_build_query(['return_path' => $redirect, 'application' => $application['name']]));
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}
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DI::session()->remove('oauth_acknowledge');
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$token = OAuth::createTokenForUser($application, $uid, $request['scope']);
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if (!$token) {
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DI::mstdnError()->UnprocessableEntity();
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}
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if ($application['redirect_uri'] != 'urn:ietf:wg:oauth:2.0:oob') {
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DI::app()->redirect($application['redirect_uri'] . (strpos($application['redirect_uri'], '?') ? '&' : '?') . http_build_query(['code' => $token['code'], 'state' => $request['state']]));
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}
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self::$oauth_code = $token['code'];
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}
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protected function content(array $request = []): string
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{
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if (empty(self::$oauth_code)) {
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return '';
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}
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return DI::l10n()->t('Please copy the following authentication code into your application and close this window: %s', self::$oauth_code);
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}
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}
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