oscarotero / psr7-middlewares

        $uri = $request->getUri();

        if ($this->addHttps) {

            if (strtolower($uri->getScheme()) !== 'https') {

                $uri = $uri->withScheme('https')->withPort(443);

                if ($this->redirectStatus !== false && (!$this->checkHttpsForward || ($request->getHeaderLine('X-Forwarded-Proto') !== 'https' && $request->getHeaderLine('X-Forwarded-Port') !== '443'))) {

                    return $this->getRedirectResponse($request, $uri, $response);

                }

                $request = $request->withUri($uri);

            }

            if (!empty($this->maxAge)) {

                $response = $response->withHeader(self::HEADER, sprintf('max-age=%d%s', $this->maxAge, $this->includeSubdomains ? ';includeSubDomains' : ''));

            if (!empty($this->maxAge)) {

                $response = $response->withHeader(self::HEADER, sprintf('max-age=%d%s', $this->maxAge, $this->includeSubdomains ? ';includeSubDomains' : ''));

            }

        } else {

            if (strtolower($uri->getScheme()) !== 'http') {

                $uri = $uri->withScheme('http')->withPort(80);

                if ($this->redirectStatus !== false && (!$this->checkHttpsForward || ($request->getHeaderLine('X-Forwarded-Proto') !== 'http' && $request->getHeaderLine('X-Forwarded-Port') !== '80'))) {

                    return $this->getRedirectResponse($request, $uri, $response);

                }

                $request = $request->withUri($uri);

            }

        }

        $response = $next($request, $response);