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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Web\Middleware; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Yiisoft\Http\Status; |
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/** |
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* Redirects from HTTP to HTTPS and adds CSP and HSTS headers |
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*/ |
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class ForceSecureConnection implements MiddlewareInterface |
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{ |
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protected int $statusCode = Status::MOVED_PERMANENTLY; |
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protected ?int $port = null; |
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protected bool $addCSP = true; |
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protected string $cspDirective = 'upgrade-insecure-requests'; |
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protected bool $addSTS = true; |
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protected int $stsMaxAge = 31_536_000; // 12 months |
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protected bool $stsSubDomains = false; |
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private ResponseFactoryInterface $responseFactory; |
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public function __construct(ResponseFactoryInterface $responseFactory) { |
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$this->responseFactory = $responseFactory; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface |
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{ |
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if ($request->getUri()->getScheme() === 'http') { |
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$url = (string)$request->getUri()->withScheme('https')->withPort($this->port); |
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return $this->addCSP( |
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$this->responseFactory |
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->createResponse($this->statusCode) |
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->withHeader('Location', $url) |
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); |
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} |
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return $this->addSTS($this->addCSP($handler->handle($request))); |
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} |
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/** |
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* Add Content-Security-Policy header |
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*/ |
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private function addCSP(ResponseInterface $response): ResponseInterface |
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{ |
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return $this->addCSP |
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? $response->withHeader('Content-Security-Policy', $this->cspDirective) |
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: $response; |
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} |
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/** |
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* Add Strict-Transport-Security header |
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*/ |
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private function addSTS(ResponseInterface $response): ResponseInterface |
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{ |
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$subDomains = $this->stsSubDomains ? 'includeSubDomains' : ''; |
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return $this->addSTS |
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? $response->withHeader('Strict-Transport-Security', "max-age={$this->stsMaxAge}; {$subDomains}") |
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: $response; |
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} |
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} |
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yiisoft /
yii-web
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