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<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace WPML\Core\Twig\TokenParser; use WPML\Core\Twig\Error\SyntaxError; use WPML\Core\Twig\Node\IncludeNode; use WPML\Core\Twig\Node\SandboxNode; use WPML\Core\Twig\Node\TextNode; use WPML\Core\Twig\Token; /** * Marks a section of a template as untrusted code that must be evaluated in the sandbox mode. * * {% sandbox %} * {% include 'user.html' %} * {% endsandbox %} * * @see https://twig.symfony.com/doc/api.html#sandbox-extension for details * * @final */ class SandboxTokenParser extends \WPML\Core\Twig\TokenParser\AbstractTokenParser { public function parse(\WPML\Core\Twig\Token $token) { $stream = $this->parser->getStream(); $stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE); $body = $this->parser->subparse([$this, 'decideBlockEnd'], \true); $stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE); // in a sandbox tag, only include tags are allowed if (!$body instanceof \WPML\Core\Twig\Node\IncludeNode) { foreach ($body as $node) { if ($node instanceof \WPML\Core\Twig\Node\TextNode && \ctype_space($node->getAttribute('data'))) { continue; } if (!$node instanceof \WPML\Core\Twig\Node\IncludeNode) { throw new \WPML\Core\Twig\Error\SyntaxError('Only "include" tags are allowed within a "sandbox" section.', $node->getTemplateLine(), $stream->getSourceContext()); } } } return new \WPML\Core\Twig\Node\SandboxNode($body, $token->getLine(), $this->getTag()); } public function decideBlockEnd(\WPML\Core\Twig\Token $token) { return $token->test('endsandbox'); } public function getTag() { return 'sandbox'; } } \class_alias('WPML\\Core\\Twig\\TokenParser\\SandboxTokenParser', 'WPML\\Core\\Twig_TokenParser_Sandbox');
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