86 lines
3 KiB
PHP
86 lines
3 KiB
PHP
<?php
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namespace App\Http\Middleware;
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use Closure;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Route;
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use Illuminate\Support\Facades\View;
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class SecureHeaders
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{
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/**
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* Enumerate headers which you do not want in your application's responses.
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* Great starting point would be to go check out @Scott_Helme's:
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* https://securityheaders.com/
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*
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* @var array
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*/
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private $unwantedHeaderList = [
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'X-Powered-By',
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'Server',
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];
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/**
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* Handle an incoming request.
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*
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* @param \Illuminate\Http\Request $request
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* @param \Closure $next
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* @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
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*/
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public function handle(Request $request, Closure $next)
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{
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View::share('nonce', $nonce = \uniqid());
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// * For VueJS dev tool to execute
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$jsDev = config('app.debug') ? "'unsafe-eval' 'unsafe-inline'" : "'nonce-$nonce'";
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$scheme = config('app.env') === 'local' ? 'http' : 'https';
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$reportUri = Route::has('cspReportUri') ?
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\sprintf(' report-uri %s ;', \parse_url(route('cspReportUri'), \PHP_URL_PATH)) : '';
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$this->removeUnwantedHeaders($this->unwantedHeaderList);
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$response = $next($request);
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$response->headers->set('Referrer-Policy', 'no-referrer-when-downgrade');
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$response->headers->set('X-Content-Type-Options', 'nosniff');
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$response->headers->set('X-XSS-Protection', '1; mode=block');
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$response->headers->set('X-Frame-Options', 'SAMEORIGIN');
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$response->headers->set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains;');
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$cspPolicies = [
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// * Unsafe inline ck-editor requires unsafe-inline
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"style-src 'self' 'unsafe-inline' " . \implode(' ', [
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'https://cdnjs.cloudflare.com',
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// * File Manager
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'https://fonts.googleapis.com',
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'https://cdn.jsdelivr.net',
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'https://use.fontawesome.com',
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'https://fonts.googleapis.com'
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]) . ';',
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'frame-src ' . implode(' ', [
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'https://www.google.com/recaptcha/',
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'https://recaptcha.google.com/recaptcha/',
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]),
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"script-src 'self' {$jsDev} " . \implode(' ', [
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'https://www.googletagmanager.com',
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'https://cdnjs.cloudflare.com',
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"$scheme://www.google-analytics.com",
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]) . ';'
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];
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$response->headers->set(
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'Content-Security-Policy',
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implode(' ', $cspPolicies) . $reportUri
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);
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$response->headers->set('Feature-Policy', 'fullscreen \'self\';');
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return $response;
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}
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/**
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* Remove unwanted headers
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*
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* @param array $headerList
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* @return void
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*/
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private function removeUnwantedHeaders(array $headerList)
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{
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foreach ($headerList as $header) {
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header_remove($header);
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}
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}
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}
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