ldc-loue/app/Http/Middleware/SecureHeaders.php
2022-06-12 16:44:40 +02:00

80 lines
2.8 KiB
PHP

<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Facades\View;
class SecureHeaders
{
/**
* Enumerate headers which you do not want in your application's responses.
* Great starting point would be to go check out @Scott_Helme's:
* https://securityheaders.com/
*
* @var array
*/
private $unwantedHeaderList = [
'X-Powered-By',
'Server',
];
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
*/
public function handle(Request $request, Closure $next)
{
View::share('nonce', $nonce = \uniqid());
// * For VueJS dev tool to execute
$jsDev = config('app.debug') ? "'unsafe-eval' 'unsafe-inline'" : "'nonce-$nonce'";
$reportUri = Route::has('cspReportUri') ?
\sprintf('report-uri %s', \parse_url(route('cspReportUri'), \PHP_URL_PATH)) : '';
$this->removeUnwantedHeaders($this->unwantedHeaderList);
$response = $next($request);
$response->headers->set('Referrer-Policy', 'no-referrer-when-downgrade');
$response->headers->set('X-Content-Type-Options', 'nosniff');
$response->headers->set('X-XSS-Protection', '1; mode=block');
$response->headers->set('X-Frame-Options', 'SAMEORIGIN');
$response->headers->set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains;');
$cspPolicies = [
"default-src 'none';",
// * CKEDITOR Specific https://ckeditor.com/docs/ckeditor5/latest/installation/advanced/csp.html
"connect-src 'self' blob:;",
"img-src * data: blob:;",
"frame-src https://www.youtube.com;",
"font-src 'self' data:;",
// ! Using CKEditor wiill must have unsafe-inline style
// phpcs:ignore Generic.Files.LineLength.TooLong
"style-src 'self' 'unsafe-inline';",
// ! If you dont use ckeditor use this
// "style-src 'self' 'nonce-$nonce';",
// phpcs:ignore Generic.Files.LineLength.TooLong
"script-src 'self' $jsDev;"
];
$response->headers->set(
'Content-Security-Policy',
implode(' ', $cspPolicies) . $reportUri
);
$response->headers->set('Feature-Policy', 'fullscreen \'self\';');
return $response;
}
/**
* Remove unwanted headers
*
* @param array $headerList
* @return void
*/
private function removeUnwantedHeaders(array $headerList)
{
foreach ($headerList as $header) {
header_remove($header);
}
}
}