gnu-social/public/index.php

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<?php
declare(strict_types = 1);
/*
* This file is part of GNU social - https://www.gnu.org/software/social
*
* GNU social 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.
*
* GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* GNU social's true web entry point, bootstraps Symfony's configuration and instantiates our Kernel
*
* @package GNUsocial
* @category Framework
*
* @author Hugo Sales <hugo@hsal.es>
* @author Diogo Peralta Cordeiro <mail@diogo.site>
* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
use App\CacheKernel;
use App\Kernel;
use App\Util\Formatting;
use Symfony\Component\ErrorHandler\Debug;
use Symfony\Component\HttpFoundation\Request;
require \dirname(__DIR__) . '/config/bootstrap.php';
if ($_SERVER['APP_DEBUG']) {
umask(0000);
Debug::enable();
}
// When a request passes through a proxy, certain request information is sent using either
// the standard Forwarded header or X-Forwarded-* headers.
// Therefore, if the user configures trusted proxy IPs, we trust these headers.
if ($trustedProxies = $_ENV['TRUSTED_PROXIES'] ?? $_SERVER['TRUSTED_PROXIES'] ?? false) {
Request::setTrustedProxies(
explode(',', $trustedProxies),
Request::HEADER_FORWARDED | Request::HEADER_X_FORWARDED_FOR | Request::HEADER_X_FORWARDED_HOST | Request::HEADER_X_FORWARDED_PORT | Request::HEADER_X_FORWARDED_PROTO,
);
}
// For enhanced security while using Request, here we define the trusted hosts.
// If the incoming requests hostname doesn't match one of the regular expressions in
// this list, the application wont respond and the user will receive a 400 response.
if ($trustedHosts = $_ENV['TRUSTED_HOSTS'] ?? $_SERVER['TRUSTED_HOSTS'] ?? false) {
Request::setTrustedHosts([$trustedHosts]);
}
$kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
// Wrap the default Kernel with the CacheKernel one in 'prod' environment
if ('prod' === $kernel->getEnvironment() || isset($_ENV['SOCIAL_USE_CACHE_KERNEL'])) {
$kernel = new CacheKernel($kernel);
}
$request = Request::createFromGlobals();
$_ENV = array_filter(
$_ENV,
fn (string $key) => Formatting::startsWith($key, ['HTTP', 'APP']) && $key !== 'APP_SECRET',
\ARRAY_FILTER_USE_KEY,
);
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);