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편집 파일: ResponseExtension.php

<?php

declare(strict_types=1);

namespace Flasher\Prime\Http;

use Flasher\Prime\FlasherInterface;
use Flasher\Prime\Http\Csp\ContentSecurityPolicyHandlerInterface;
use Flasher\Prime\Response\Presenter\HtmlPresenter;

final readonly class ResponseExtension implements ResponseExtensionInterface
{
    /**
     * @param list<non-empty-string> $excludedPaths
     */
    public function __construct(
        private FlasherInterface $flasher,
        private ContentSecurityPolicyHandlerInterface $cspHandler,
        private array $excludedPaths = [],
    ) {
    }

public function render(RequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        if (!$this->isRenderable($request, $response)) {
            return $response;
        }

$content = $response->getContent();

$placeHolders = [
            HtmlPresenter::FLASHER_REPLACE_ME,
            HtmlPresenter::HEAD_END_PLACE_HOLDER,
            HtmlPresenter::BODY_END_PLACE_HOLDER,
        ];

foreach ($placeHolders as $insertPlaceHolder) {
            $insertPosition = strripos($content, $insertPlaceHolder);
            if (false !== $insertPosition) {
                break;
            }
        }

if (false === $insertPosition) {
            return $response;
        }

$alreadyRendered = HtmlPresenter::FLASHER_REPLACE_ME === $insertPlaceHolder;
        $nonces = $this->cspHandler->updateResponseHeaders($request, $response);

$context = [
            'envelopes_only' => $alreadyRendered,
            'csp_script_nonce' => $nonces['csp_script_nonce'] ?? null,
            'csp_style_nonce' => $nonces['csp_style_nonce'] ?? null,
        ];

$htmlResponse = $this->flasher->render('html', [], $context);

if (empty($htmlResponse)) {
            return $response;
        }

if ($alreadyRendered) {
            $htmlResponse = \sprintf('options.push(%s);', $htmlResponse);
        }

// $htmlResponse = "\n".str_replace("\n", '', (string) $htmlResponse)."\n";
        $htmlResponse .= "\n";

$content = substr($content, 0, $insertPosition).$htmlResponse.substr($content, $insertPosition);
        $response->setContent($content);

return $response;
    }

private function isRenderable(RequestInterface $request, ResponseInterface $response): bool
    {
        return !$this->isPathExcluded($request)
            && !$request->isXmlHttpRequest()
            && $request->isHtmlRequestFormat()
            && $response->isHtml()
            && $response->isSuccessful()
            && !$response->isRedirection()
            && !$response->isAttachment()
            && !$response->isJson();
    }

private function isPathExcluded(RequestInterface $request): bool
    {
        if (!method_exists($request, 'getUri')) { // @phpstan-ignore-line
            return false;
        }

$url = $request->getUri();

foreach ($this->excludedPaths as $regexPattern) {
            if (preg_match($regexPattern, $url)) {
                return true;
            }
        }

return false;
    }
}

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