<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\HttpCache;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\HttpKernelInterface;

/**
 * Abstract class implementing Surrogate capabilities to Request and Response instances.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Robin Chalas <robin.chalas@gmail.com>
 */
abstract class AbstractSurrogate implements SurrogateInterface
{
    protected $contentTypes;
    protected $phpEscapeMap = [
        ['<?', '<%', '<s', '<S'],
        ['<?php echo "<?"; ?>', '<?php echo "<%"; ?>', '<?php echo "<s"; ?>', '<?php echo "<S"; ?>'],
    ];

    /**
     * @param array $contentTypes An array of content-type that should be parsed for Surrogate information
     *                            (default: text/html, text/xml, application/xhtml+xml, and application/xml)
     */
    public function __construct(array $contentTypes = ['text/html', 'text/xml', 'application/xhtml+xml', 'application/xml'])
    {
        $this->contentTypes = $contentTypes;
    }

    /**
     * Returns a new cache strategy instance.
     */
    public function createCacheStrategy(): ResponseCacheStrategyInterface
    {
        return new ResponseCacheStrategy();
    }

    /**
     * {@inheritdoc}
     */
    public function hasSurrogateCapability(Request $request): bool
    {
        if (null === $value = $request->headers->get('Surrogate-Capability')) {
            return false;
        }

        return str_contains($value, sprintf('%s/1.0', strtoupper($this->getName())));
    }

    /**
     * {@inheritdoc}
     */
    public function addSurrogateCapability(Request $request)
    {
        $current = $request->headers->get('Surrogate-Capability');
        $new = sprintf('symfony="%s/1.0"', strtoupper($this->getName()));

        $request->headers->set('Surrogate-Capability', $current ? $current.', '.$new : $new);
    }

    /**
     * {@inheritdoc}
     */
    public function needsParsing(Response $response): bool
    {
        if (!$control = $response->headers->get('Surrogate-Control')) {
            return false;
        }

        $pattern = sprintf('#content="[^"]*%s/1.0[^"]*"#', strtoupper($this->getName()));

        return (bool) preg_match($pattern, $control);
    }

    /**
     * {@inheritdoc}
     */
    public function handle(HttpCache $cache, string $uri, string $alt, bool $ignoreErrors): string
    {
        $subRequest = Request::create($uri, Request::METHOD_GET, [], $cache->getRequest()->cookies->all(), [], $cache->getRequest()->server->all());

        try {
            $response = $cache->handle($subRequest, HttpKernelInterface::SUB_REQUEST, true);

            if (!$response->isSuccessful() && Response::HTTP_NOT_MODIFIED !== $response->getStatusCode()) {
                throw new \RuntimeException(sprintf('Error when rendering "%s" (Status code is %d).', $subRequest->getUri(), $response->getStatusCode()));
            }

            return $response->getContent();
        } catch (\Exception $e) {
            if ($alt) {
                return $this->handle($cache, $alt, '', $ignoreErrors);
            }

            if (!$ignoreErrors) {
                throw $e;
            }
        }

        return '';
    }

    /**
     * Remove the Surrogate from the Surrogate-Control header.
     */
    protected function removeFromControl(Response $response)
    {
        if (!$response->headers->has('Surrogate-Control')) {
            return;
        }

        $value = $response->headers->get('Surrogate-Control');
        $upperName = strtoupper($this->getName());

        if (sprintf('content="%s/1.0"', $upperName) == $value) {
            $response->headers->remove('Surrogate-Control');
        } elseif (preg_match(sprintf('#,\s*content="%s/1.0"#', $upperName), $value)) {
            $response->headers->set('Surrogate-Control', preg_replace(sprintf('#,\s*content="%s/1.0"#', $upperName), '', $value));
        } elseif (preg_match(sprintf('#content="%s/1.0",\s*#', $upperName), $value)) {
            $response->headers->set('Surrogate-Control', preg_replace(sprintf('#content="%s/1.0",\s*#', $upperName), '', $value));
        }
    }
}

• [F] AbstractSurrogate.php
  Delete
• [F] Esi.php
  Delete
• [F] HttpCache.php
  Delete
• [F] ResponseCacheStrategy.php
  Delete
• [F] ResponseCacheStrategyInterface.php
  Delete
• [F] Ssi.php
  Delete
• [F] Store.php
  Delete
• [F] StoreInterface.php
  Delete
• [F] SubRequestHandler.php
  Delete
• [F] SurrogateInterface.php
  Delete

Save Cards

Save Your Card for Quick and Easy Future Payments Online

Simplify your payment experience by securely saving your card on our platform. After your initial transaction, you can choose to store your card details safely for future use. This feature eliminates the need to re-enter your payment information each time, making checkouts faster while keeping your data secure with advanced encryption and robust security measures.

• Navigate to the “Save Card” section.
• Click on “Add Card.”
• Choose your preferred setup method.
• Your card is now saved for future payments.