﻿PK      '�Z��p�  �  %  AbstractSurrogateFragmentRenderer.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\HttpCache\SurrogateInterface;
use Symfony\Component\HttpKernel\UriSigner;

/**
 * Implements Surrogate rendering strategy.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class AbstractSurrogateFragmentRenderer extends RoutableFragmentRenderer
{
    private ?SurrogateInterface $surrogate;
    private FragmentRendererInterface $inlineStrategy;
    private ?UriSigner $signer;

    /**
     * The "fallback" strategy when surrogate is not available should always be an
     * instance of InlineFragmentRenderer.
     *
     * @param FragmentRendererInterface $inlineStrategy The inline strategy to use when the surrogate is not supported
     */
    public function __construct(SurrogateInterface $surrogate = null, FragmentRendererInterface $inlineStrategy, UriSigner $signer = null)
    {
        $this->surrogate = $surrogate;
        $this->inlineStrategy = $inlineStrategy;
        $this->signer = $signer;
    }

    /**
     * Note that if the current Request has no surrogate capability, this method
     * falls back to use the inline rendering strategy.
     *
     * Additional available options:
     *
     *  * alt: an alternative URI to render in case of an error
     *  * comment: a comment to add when returning the surrogate tag
     *  * absolute_uri: whether to generate an absolute URI or not. Default is false
     *
     * Note, that not all surrogate strategies support all options. For now
     * 'alt' and 'comment' are only supported by ESI.
     *
     * @see Symfony\Component\HttpKernel\HttpCache\SurrogateInterface
     */
    public function render(string|ControllerReference $uri, Request $request, array $options = []): Response
    {
        if (!$this->surrogate || !$this->surrogate->hasSurrogateCapability($request)) {
            if ($uri instanceof ControllerReference && $this->containsNonScalars($uri->attributes)) {
                throw new \InvalidArgumentException('Passing non-scalar values as part of URI attributes to the ESI and SSI rendering strategies is not supported. Use a different rendering strategy or pass scalar values.');
            }

            return $this->inlineStrategy->render($uri, $request, $options);
        }

        $absolute = $options['absolute_uri'] ?? false;

        if ($uri instanceof ControllerReference) {
            $uri = $this->generateSignedFragmentUri($uri, $request, $absolute);
        }

        $alt = $options['alt'] ?? null;
        if ($alt instanceof ControllerReference) {
            $alt = $this->generateSignedFragmentUri($alt, $request, $absolute);
        }

        $tag = $this->surrogate->renderIncludeTag($uri, $alt, $options['ignore_errors'] ?? false, $options['comment'] ?? '');

        return new Response($tag);
    }

    private function generateSignedFragmentUri(ControllerReference $uri, Request $request, bool $absolute): string
    {
        return (new FragmentUriGenerator($this->fragmentPath, $this->signer))->generate($uri, $request, $absolute);
    }

    private function containsNonScalars(array $values): bool
    {
        foreach ($values as $value) {
            if (\is_scalar($value) || null === $value) {
                continue;
            }

            if (!\is_array($value) || $this->containsNonScalars($value)) {
                return true;
            }
        }

        return false;
    }
}
PK      '�Z�<��  �    FragmentUriGenerator.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\UriSigner;

/**
 * Generates a fragment URI.
 *
 * @author Kévin Dunglas <kevin@dunglas.fr>
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class FragmentUriGenerator implements FragmentUriGeneratorInterface
{
    private string $fragmentPath;
    private ?UriSigner $signer;
    private ?RequestStack $requestStack;

    public function __construct(string $fragmentPath, UriSigner $signer = null, RequestStack $requestStack = null)
    {
        $this->fragmentPath = $fragmentPath;
        $this->signer = $signer;
        $this->requestStack = $requestStack;
    }

    public function generate(ControllerReference $controller, Request $request = null, bool $absolute = false, bool $strict = true, bool $sign = true): string
    {
        if (null === $request && (null === $this->requestStack || null === $request = $this->requestStack->getCurrentRequest())) {
            throw new \LogicException('Generating a fragment URL can only be done when handling a Request.');
        }

        if ($sign && null === $this->signer) {
            throw new \LogicException('You must use a URI when using the ESI rendering strategy or set a URL signer.');
        }

        if ($strict) {
            $this->checkNonScalar($controller->attributes);
        }

        // We need to forward the current _format and _locale values as we don't have
        // a proper routing pattern to do the job for us.
        // This makes things inconsistent if you switch from rendering a controller
        // to rendering a route if the route pattern does not contain the special
        // _format and _locale placeholders.
        if (!isset($controller->attributes['_format'])) {
            $controller->attributes['_format'] = $request->getRequestFormat();
        }
        if (!isset($controller->attributes['_locale'])) {
            $controller->attributes['_locale'] = $request->getLocale();
        }

        $controller->attributes['_controller'] = $controller->controller;
        $controller->query['_path'] = http_build_query($controller->attributes, '', '&');
        $path = $this->fragmentPath.'?'.http_build_query($controller->query, '', '&');

        // we need to sign the absolute URI, but want to return the path only.
        $fragmentUri = $sign || $absolute ? $request->getUriForPath($path) : $request->getBaseUrl().$path;

        if (!$sign) {
            return $fragmentUri;
        }

        $fragmentUri = $this->signer->sign($fragmentUri);

        return $absolute ? $fragmentUri : substr($fragmentUri, \strlen($request->getSchemeAndHttpHost()));
    }

    private function checkNonScalar(array $values): void
    {
        foreach ($values as $key => $value) {
            if (\is_array($value)) {
                $this->checkNonScalar($value);
            } elseif (!\is_scalar($value) && null !== $value) {
                throw new \LogicException(sprintf('Controller attributes cannot contain non-scalar/non-null values (value for key "%s" is not a scalar or null).', $key));
            }
        }
    }
}
PK      '�ZƎ�il  l    FragmentRendererInterface.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Controller\ControllerReference;

/**
 * Interface implemented by all rendering strategies.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
interface FragmentRendererInterface
{
    /**
     * Renders a URI and returns the Response content.
     */
    public function render(string|ControllerReference $uri, Request $request, array $options = []): Response;

    /**
     * Gets the name of the strategy.
     */
    public function getName(): string;
}
PK      '�Zۭ֌d  d    FragmentHandler.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\Exception\HttpException;

/**
 * Renders a URI that represents a resource fragment.
 *
 * This class handles the rendering of resource fragments that are included into
 * a main resource. The handling of the rendering is managed by specialized renderers.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @see FragmentRendererInterface
 */
class FragmentHandler
{
    private bool $debug;
    private array $renderers = [];
    private RequestStack $requestStack;

    /**
     * @param FragmentRendererInterface[] $renderers An array of FragmentRendererInterface instances
     * @param bool                        $debug     Whether the debug mode is enabled or not
     */
    public function __construct(RequestStack $requestStack, array $renderers = [], bool $debug = false)
    {
        $this->requestStack = $requestStack;
        foreach ($renderers as $renderer) {
            $this->addRenderer($renderer);
        }
        $this->debug = $debug;
    }

    /**
     * Adds a renderer.
     *
     * @return void
     */
    public function addRenderer(FragmentRendererInterface $renderer)
    {
        $this->renderers[$renderer->getName()] = $renderer;
    }

    /**
     * Renders a URI and returns the Response content.
     *
     * Available options:
     *
     *  * ignore_errors: true to return an empty string in case of an error
     *
     * @throws \InvalidArgumentException when the renderer does not exist
     * @throws \LogicException           when no main request is being handled
     */
    public function render(string|ControllerReference $uri, string $renderer = 'inline', array $options = []): ?string
    {
        if (!isset($options['ignore_errors'])) {
            $options['ignore_errors'] = !$this->debug;
        }

        if (!isset($this->renderers[$renderer])) {
            throw new \InvalidArgumentException(sprintf('The "%s" renderer does not exist.', $renderer));
        }

        if (!$request = $this->requestStack->getCurrentRequest()) {
            throw new \LogicException('Rendering a fragment can only be done when handling a Request.');
        }

        return $this->deliver($this->renderers[$renderer]->render($uri, $request, $options));
    }

    /**
     * Delivers the Response as a string.
     *
     * When the Response is a StreamedResponse, the content is streamed immediately
     * instead of being returned.
     *
     * @return string|null The Response content or null when the Response is streamed
     *
     * @throws \RuntimeException when the Response is not successful
     */
    protected function deliver(Response $response): ?string
    {
        if (!$response->isSuccessful()) {
            $responseStatusCode = $response->getStatusCode();
            throw new \RuntimeException(sprintf('Error when rendering "%s" (Status code is %d).', $this->requestStack->getCurrentRequest()->getUri(), $responseStatusCode), 0, new HttpException($responseStatusCode));
        }

        if (!$response instanceof StreamedResponse) {
            return $response->getContent();
        }

        $response->sendContent();

        return null;
    }
}
PK      '�Z�e��      HIncludeFragmentRenderer.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\UriSigner;
use Twig\Environment;

/**
 * Implements the Hinclude rendering strategy.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class HIncludeFragmentRenderer extends RoutableFragmentRenderer
{
    private ?string $globalDefaultTemplate;
    private ?UriSigner $signer;
    private ?Environment $twig;
    private string $charset;

    /**
     * @param string|null $globalDefaultTemplate The global default content (it can be a template name or the content)
     */
    public function __construct(Environment $twig = null, UriSigner $signer = null, string $globalDefaultTemplate = null, string $charset = 'utf-8')
    {
        $this->twig = $twig;
        $this->globalDefaultTemplate = $globalDefaultTemplate;
        $this->signer = $signer;
        $this->charset = $charset;
    }

    /**
     * Checks if a templating engine has been set.
     */
    public function hasTemplating(): bool
    {
        return null !== $this->twig;
    }

    /**
     * Additional available options:
     *
     *  * default:    The default content (it can be a template name or the content)
     *  * id:         An optional hx:include tag id attribute
     *  * attributes: An optional array of hx:include tag attributes
     */
    public function render(string|ControllerReference $uri, Request $request, array $options = []): Response
    {
        if ($uri instanceof ControllerReference) {
            $uri = (new FragmentUriGenerator($this->fragmentPath, $this->signer))->generate($uri, $request);
        }

        // We need to replace ampersands in the URI with the encoded form in order to return valid html/xml content.
        $uri = str_replace('&', '&amp;', $uri);

        $template = $options['default'] ?? $this->globalDefaultTemplate;
        if (null !== $this->twig && $template && $this->twig->getLoader()->exists($template)) {
            $content = $this->twig->render($template);
        } else {
            $content = $template;
        }

        $attributes = isset($options['attributes']) && \is_array($options['attributes']) ? $options['attributes'] : [];
        if (isset($options['id']) && $options['id']) {
            $attributes['id'] = $options['id'];
        }
        $renderedAttributes = '';
        if (\count($attributes) > 0) {
            $flags = \ENT_QUOTES | \ENT_SUBSTITUTE;
            foreach ($attributes as $attribute => $value) {
                $renderedAttributes .= sprintf(
                    ' %s="%s"',
                    htmlspecialchars($attribute, $flags, $this->charset, false),
                    htmlspecialchars($value, $flags, $this->charset, false)
                );
            }
        }

        return new Response(sprintf('<hx:include src="%s"%s>%s</hx:include>', $uri, $renderedAttributes, $content));
    }

    public function getName(): string
    {
        return 'hinclude';
    }
}
PK      '�Zt�d      EsiFragmentRenderer.phpnu W+A��        <?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\Fragment;

/**
 * Implements the ESI rendering strategy.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class EsiFragmentRenderer extends AbstractSurrogateFragmentRenderer
{
    public function getName(): string
    {
        return 'esi';
    }
}
PK      '�Z� ���  �    RoutableFragmentRenderer.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\EventListener\FragmentListener;

/**
 * Adds the possibility to generate a fragment URI for a given Controller.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class RoutableFragmentRenderer implements FragmentRendererInterface
{
    /**
     * @internal
     */
    protected $fragmentPath = '/_fragment';

    /**
     * Sets the fragment path that triggers the fragment listener.
     *
     * @see FragmentListener
     *
     * @return void
     */
    public function setFragmentPath(string $path)
    {
        $this->fragmentPath = $path;
    }

    /**
     * Generates a fragment URI for a given controller.
     *
     * @param bool $absolute Whether to generate an absolute URL or not
     * @param bool $strict   Whether to allow non-scalar attributes or not
     */
    protected function generateFragmentUri(ControllerReference $reference, Request $request, bool $absolute = false, bool $strict = true): string
    {
        return (new FragmentUriGenerator($this->fragmentPath))->generate($reference, $request, $absolute, $strict, false);
    }
}
PK      '�Zl�~�
  
  !  FragmentUriGeneratorInterface.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Controller\ControllerReference;

/**
 * Interface implemented by rendering strategies able to generate a URL for a fragment.
 *
 * @author Kévin Dunglas <kevin@dunglas.fr>
 */
interface FragmentUriGeneratorInterface
{
    /**
     * Generates a fragment URI for a given controller.
     *
     * @param bool $absolute Whether to generate an absolute URL or not
     * @param bool $strict   Whether to allow non-scalar attributes or not
     * @param bool $sign     Whether to sign the URL or not
     */
    public function generate(ControllerReference $controller, Request $request = null, bool $absolute = false, bool $strict = true, bool $sign = true): string;
}
PK      '�Z=(=a      SsiFragmentRenderer.phpnu W+A��        <?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\Fragment;

/**
 * Implements the SSI rendering strategy.
 *
 * @author Sebastian Krebs <krebs.seb@gmail.com>
 */
class SsiFragmentRenderer extends AbstractSurrogateFragmentRenderer
{
    public function getName(): string
    {
        return 'ssi';
    }
}
PK      '�Z�� Y  Y    InlineFragmentRenderer.phpnu W+A��        <?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\Fragment;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Controller\ControllerReference;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\HttpCache\SubRequestHandler;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

/**
 * Implements the inline rendering strategy where the Request is rendered by the current HTTP kernel.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class InlineFragmentRenderer extends RoutableFragmentRenderer
{
    private HttpKernelInterface $kernel;
    private ?EventDispatcherInterface $dispatcher;

    public function __construct(HttpKernelInterface $kernel, EventDispatcherInterface $dispatcher = null)
    {
        $this->kernel = $kernel;
        $this->dispatcher = $dispatcher;
    }

    /**
     * Additional available options:
     *
     *  * alt: an alternative URI to render in case of an error
     */
    public function render(string|ControllerReference $uri, Request $request, array $options = []): Response
    {
        $reference = null;
        if ($uri instanceof ControllerReference) {
            $reference = $uri;

            // Remove attributes from the generated URI because if not, the Symfony
            // routing system will use them to populate the Request attributes. We don't
            // want that as we want to preserve objects (so we manually set Request attributes
            // below instead)
            $attributes = $reference->attributes;
            $reference->attributes = [];

            // The request format and locale might have been overridden by the user
            foreach (['_format', '_locale'] as $key) {
                if (isset($attributes[$key])) {
                    $reference->attributes[$key] = $attributes[$key];
                }
            }

            $uri = $this->generateFragmentUri($uri, $request, false, false);

            $reference->attributes = array_merge($attributes, $reference->attributes);
        }

        $subRequest = $this->createSubRequest($uri, $request);

        // override Request attributes as they can be objects (which are not supported by the generated URI)
        if (null !== $reference) {
            $subRequest->attributes->add($reference->attributes);
        }

        $level = ob_get_level();
        try {
            return SubRequestHandler::handle($this->kernel, $subRequest, HttpKernelInterface::SUB_REQUEST, false);
        } catch (\Exception $e) {
            // we dispatch the exception event to trigger the logging
            // the response that comes back is ignored
            if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) {
                $event = new ExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e);

                $this->dispatcher->dispatch($event, KernelEvents::EXCEPTION);
            }

            // let's clean up the output buffers that were created by the sub-request
            Response::closeOutputBuffers($level, false);

            if (isset($options['alt'])) {
                $alt = $options['alt'];
                unset($options['alt']);

                return $this->render($alt, $request, $options);
            }

            if (!isset($options['ignore_errors']) || !$options['ignore_errors']) {
                throw $e;
            }

            return new Response();
        }
    }

    /**
     * @return Request
     */
    protected function createSubRequest(string $uri, Request $request)
    {
        $cookies = $request->cookies->all();
        $server = $request->server->all();

        unset($server['HTTP_IF_MODIFIED_SINCE']);
        unset($server['HTTP_IF_NONE_MATCH']);

        $subRequest = Request::create($uri, 'get', [], $cookies, [], $server);
        if ($request->headers->has('Surrogate-Capability')) {
            $subRequest->headers->set('Surrogate-Capability', $request->headers->get('Surrogate-Capability'));
        }

        static $setSession;

        $setSession ??= \Closure::bind(static function ($subRequest, $request) { $subRequest->session = $request->session; }, null, Request::class);
        $setSession($subRequest, $request);

        if ($request->get('_format')) {
            $subRequest->attributes->set('_format', $request->get('_format'));
        }
        if ($request->getDefaultLocale() !== $request->getLocale()) {
            $subRequest->setLocale($request->getLocale());
        }
        if ($request->attributes->has('_stateless')) {
            $subRequest->attributes->set('_stateless', $request->attributes->get('_stateless'));
        }

        return $subRequest;
    }

    public function getName(): string
    {
        return 'inline';
    }
}
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