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friendica_2019-12_sharedHos.../src/Module/OAuth/Authorize.php

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4.1 KiB
PHP

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