firefly-iii/app/Http/Middleware/SecureHeaders.php
2020-01-09 17:03:59 +01:00

109 lines
3.5 KiB
PHP

<?php
/**
* SecureHeaders.php
* Copyright (c) 2019 thegrumpydictator@gmail.com
*
* This file is part of Firefly III (https://github.com/firefly-iii).
*
* 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/>.
*/
declare(strict_types=1);
namespace FireflyIII\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
/**
*
* Class SecureHeaders
*/
class SecureHeaders
{
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
*
* @return mixed
* @throws \Exception
*/
public function handle(Request $request, Closure $next)
{
$nonce = base64_encode(random_bytes(16));
app('view')->share('JS_NONCE', $nonce);
$response = $next($request);
$google = '';
$googleImg = '';
$analyticsId = config('firefly.analytics_id');
if ('' !== $analyticsId) {
$google = 'www.googletagmanager.com/gtag/js https://www.google-analytics.com/analytics.js'; // @codeCoverageIgnore
$googleImg = 'https://www.google-analytics.com/';
}
$csp = [
"default-src 'none'",
"object-src 'self'",
sprintf("script-src 'nonce-%s' unsafe-inline %s", $nonce, $google),
"style-src 'self' 'unsafe-inline'",
"base-uri 'self'",
"font-src 'self' data:",
"connect-src 'self'",
sprintf("img-src 'self' data: https://api.tiles.mapbox.com %s", $googleImg),
"manifest-src 'self'",
];
$route = $request->route();
if (null !== $route && 'oauth/authorize' !== $route->uri) {
$csp[] = "form-action 'self'";
}
$featurePolicies = [
"geolocation 'none'",
"midi 'none'",
//"notifications 'none'",
//"push 'self'",
"sync-xhr 'self'",
"microphone 'none'",
"camera 'none'",
"magnetometer 'none'",
"gyroscope 'none'",
"speaker 'none'",
//"vibrate 'none'",
"fullscreen 'self'",
"payment 'none'",
];
$disableFrameHeader = config('firefly.disable_frame_header');
if (false === $disableFrameHeader || null === $disableFrameHeader) {
$response->header('X-Frame-Options', 'deny');
}
// content security policy may be set elsewhere.
if (!$response->headers->has('Content-Security-Policy')) {
$response->header('Content-Security-Policy', implode('; ', $csp));
}
$response->header('X-XSS-Protection', '1; mode=block');
$response->header('X-Content-Type-Options', 'nosniff');
$response->header('Referrer-Policy', 'no-referrer');
$response->header('Feature-Policy', implode('; ', $featurePolicies));
return $response;
}
}