Merge pull request #8164 from snipe/features/additional_security_headers

Additional security headers
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snipe 2020-06-23 00:27:47 -07:00 committed by GitHub
commit 2390d2160b
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9 changed files with 104 additions and 137 deletions

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@ -71,6 +71,7 @@ ALLOW_IFRAMING=false
REFERRER_POLICY=same-origin
ENABLE_CSP=false
CORS_ALLOWED_ORIGINS=null
ENABLE_HSTS=false
# --------------------------------------------
# OPTIONAL: CACHE SETTINGS

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@ -17,15 +17,12 @@ class Kernel extends HttpKernel
\Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
\Illuminate\Session\Middleware\StartSession::class,
\Illuminate\View\Middleware\ShareErrorsFromSession::class,
\App\Http\Middleware\FrameGuard::class,
\App\Http\Middleware\XssProtectHeader::class,
\App\Http\Middleware\ReferrerPolicyHeader::class,
\App\Http\Middleware\ContentSecurityPolicyHeader::class,
\App\Http\Middleware\NosniffGuard::class,
\Fideloper\Proxy\TrustProxies::class,
\App\Http\Middleware\CheckForSetup::class,
\App\Http\Middleware\CheckForDebug::class,
\Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
\App\Http\Middleware\SecurityHeaders::class,
];
/**

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@ -1,35 +0,0 @@
<?php
namespace App\Http\Middleware;
use Closure;
class ContentSecurityPolicyHeader
{
/**
* Handle the given request and get the response.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
if ((config('app.debug')=='true') || (config('app.enable_csp')!='true')) {
$response = $next($request);
return $response;
}
$policy[] = "default-src 'self'";
$policy[] = "style-src 'self' 'unsafe-inline' oss.maxcdn.com";
$policy[] = "script-src 'self' 'unsafe-inline' 'unsafe-eval' cdnjs.cloudflare.com";
$policy[] = "connect-src 'self'";
$policy[] = "object-src 'none'";
$policy[] = "font-src 'self' data:";
$policy[] = "img-src 'self' data: gravatar.com";
$policy = join(';', $policy);
$response = $next($request);
$response->headers->set('Content-Security-Policy', $policy);
return $response;
}
}

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@ -1,24 +0,0 @@
<?php
namespace App\Http\Middleware;
use Closure;
class FrameGuard
{
/**
* Handle the given request and get the response.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
$response = $next($request);
if (config('app.allow_iframing') == false) {
$response->headers->set('X-Frame-Options', 'SAMEORIGIN', false);
}
return $response;
}
}

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@ -1,21 +0,0 @@
<?php
namespace App\Http\Middleware;
use Closure;
class NosniffGuard
{
/**
* Handle the given request and get the response.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
$response = $next($request);
$response->headers->set('X-Content-Type-Options', 'nosniff', false);
return $response;
}
}

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@ -1,21 +0,0 @@
<?php
namespace App\Http\Middleware;
use Closure;
class ReferrerPolicyHeader
{
/**
* Handle the given request and get the response.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
$response = $next($request);
$response->headers->set('Referrer-Policy', config('app.referrer_policy'));
return $response;
}
}

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@ -0,0 +1,78 @@
<?php
namespace App\Http\Middleware;
use Closure;
class SecurityHeaders
{
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
// See https://securityheaders.com/
private $unwantedHeaderList = [
'X-Powered-By',
'Server',
];
public function handle($request, Closure $next)
{
$this->removeUnwantedHeaders($this->unwantedHeaderList);
$response = $next($request);
$response->headers->set('X-Content-Type-Options', 'nosniff');
$response->headers->set('X-XSS-Protection', '1; mode=block');
$response->headers->set('Feature-Policy', 'self');
// Defaults to same-origin if REFERRER_POLICY is not set in the .env
$response->headers->set('Referrer-Policy', config('app.referrer_policy'));
// The .env var ALLOW_IFRAMING defaults to false (which disallows IFRAMING)
// if not present, but some unique cases require this to be enabled.
// For example, some IT depts have IFRAMED Snipe-IT into their IT portal
// for convenience so while it is normally disallowed, there is
// an override that exists.
if (config('app.allow_iframing') == false) {
$response->headers->set('X-Frame-Options', 'DENY');
}
// This defaults to false to maintain backwards compatibility
// people who are not running Snipe-IT over TLS (shame, shame, shame!)
// Seriously though, please run Snipe-IT over TLS. Let's Encrypt is free.
// https://letsencrypt.org
if (config('app.enable_hsts') === true) {
$response->headers->set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
}
// We have to exclude debug mode here because debugbar pulls from a CDN or two
// and it will break things.
if ((config('app.debug')!='true') || (config('app.enable_csp')=='true')) {
$policy[] = "default-src 'self'";
$policy[] = "style-src 'self' 'unsafe-inline'";
$policy[] = "script-src 'self' 'unsafe-inline'";
$policy[] = "connect-src 'self'";
$policy[] = "object-src 'none'";
$policy[] = "font-src 'self' data:";
$policy[] = "img-src 'self' data: gravatar.com";
$policy = join(';', $policy);
$response->headers->set('Content-Security-Policy', $policy);
}
return $response;
}
private function removeUnwantedHeaders($headerList)
{
foreach ($headerList as $header)
header_remove($header);
}
}

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@ -1,22 +0,0 @@
<?php
namespace App\Http\Middleware;
use Closure;
class XssProtectHeader
{
/**
* Handle the given request and get the response.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return \Illuminate\Http\Response
*/
public function handle($request, Closure $next)
{
$mode = '1;mode=block';
$response = $next($request);
$response->headers->set('X-XSS-Protection', $mode);
return $response;
}
}

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@ -197,19 +197,33 @@ return [
/*
|--------------------------------------------------------------------------
| ALLOW I-FRAMING
|--------------------------------------------------------------------------
|
| Normal users will never need to edit this. This option lets you run
| Snipe-IT within an I-Frame, which is normally disabled by default for
| security reasons, to prevent clickjacking. It should normally be set to false.
|
*/
|--------------------------------------------------------------------------
| ALLOW I-FRAMING
|--------------------------------------------------------------------------
|
| Normal users will never need to edit this. This option lets you run
| Snipe-IT within an I-Frame, which is normally disabled by default for
| security reasons, to prevent clickjacking. It should normally be set to false.
|
*/
'allow_iframing' => env('ALLOW_IFRAMING', false),
/*
|--------------------------------------------------------------------------
| ENABLE HTTP Strict Transport Security (HSTS)
|--------------------------------------------------------------------------
|
| This is set to default false for backwards compatibilty but should be
| set to true if the hosting environment allows it.
|
| See https://scotthelme.co.uk/hsts-the-missing-link-in-tls/
|
*/
'enable_hsts' => env('ENABLE_HSTS', false),
/*
|--------------------------------------------------------------------------
| REFERRER-POLICY