<?php

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/*

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* This file is part of Twig.

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*

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* (c) Fabien Potencier

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*

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* For the full copyright and license information, please view the LICENSE

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* file that was distributed with this source code.

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*/

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namespace WPML\Core\Twig\TokenParser;

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use WPML\Core\Twig\Error\SyntaxError;

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use WPML\Core\Twig\Node\IncludeNode;

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use WPML\Core\Twig\Node\SandboxNode;

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use WPML\Core\Twig\Node\TextNode;

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use WPML\Core\Twig\Token;

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/**

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* Marks a section of a template as untrusted code that must be evaluated in the sandbox mode.

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*

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* {% sandbox %}

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* {% include 'user.html' %}

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* {% endsandbox %}

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*

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* @see https://twig.symfony.com/doc/api.html#sandbox-extension for details

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*

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* @final

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*/

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class SandboxTokenParser extends \WPML\Core\Twig\TokenParser\AbstractTokenParser

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{

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public function parse(\WPML\Core\Twig\Token $token)

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{

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$stream = $this->parser->getStream();

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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$body = $this->parser->subparse([$this, 'decideBlockEnd'], \true);

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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// in a sandbox tag, only include tags are allowed

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if (!$body instanceof \WPML\Core\Twig\Node\IncludeNode) {

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foreach ($body as $node) {

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if ($node instanceof \WPML\Core\Twig\Node\TextNode && \ctype_space($node->getAttribute('data'))) {

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continue;

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}

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if (!$node instanceof \WPML\Core\Twig\Node\IncludeNode) {

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throw new \WPML\Core\Twig\Error\SyntaxError('Only "include" tags are allowed within a "sandbox" section.', $node->getTemplateLine(), $stream->getSourceContext());

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}

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}

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}

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return new \WPML\Core\Twig\Node\SandboxNode($body, $token->getLine(), $this->getTag());

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}

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public function decideBlockEnd(\WPML\Core\Twig\Token $token)

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{

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return $token->test('endsandbox');

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}

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public function getTag()

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{

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return 'sandbox';

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}

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}

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\class_alias('WPML\\Core\\Twig\\TokenParser\\SandboxTokenParser', 'WPML\\Core\\Twig_TokenParser_Sandbox');

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