mirror of https://github.com/Rudloff/alltube.git
73 lines
1.9 KiB
PHP
73 lines
1.9 KiB
PHP
<?php
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namespace Alltube\Middleware;
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use Alltube\Config;
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use ParagonIE\CSPBuilder\CSPBuilder;
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use Psr\Container\ContainerInterface;
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use Psr\Http\Message\MessageInterface;
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use Slim\Http\Request;
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use Slim\Http\Response;
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/**
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* Class CspMiddleware
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* @package Alltube
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*/
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class CspMiddleware
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{
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/**
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* @var Config
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*/
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private $config;
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/**
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* CspMiddleware constructor.
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* @param ContainerInterface $container
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*/
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public function __construct(ContainerInterface $container)
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{
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$this->config = $container->get('config');
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}
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/**
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* @param Response $response
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* @return MessageInterface
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*/
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public function applyHeader(Response $response): MessageInterface
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{
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$csp = new CSPBuilder();
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$csp->disableOldBrowserSupport()
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->addDirective('default-src', [])
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->addDirective('font-src', ['self' => true])
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->addDirective('style-src', ['self' => true])
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->addDirective('manifest-src', ['self' => true])
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->addDirective('base-uri', [])
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->addDirective('frame-ancestors', [])
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->addSource('form-action', '*')
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->addSource('img-src', '*');
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if ($this->config->debug) {
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// So maximebf/debugbar, symfony/debug and symfony/error-handler can work.
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$csp->setDirective('script-src', ['self' => true, 'unsafe-inline' => true])
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->setDirective('style-src', ['self' => true, 'unsafe-inline' => true])
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->addSource('img-src', 'data:');
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}
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return $csp->injectCSPHeader($response);
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}
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/**
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* @param Request $request
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* @param Response $response
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* @param callable $next
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* @return mixed
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*/
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public function __invoke(Request $request, Response $response, callable $next)
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{
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$response = $this->applyHeader($response);
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return $next($request, $response);
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}
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}
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