<?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 Twig\Node;
use Twig\Compiler;
use Twig\Node\Expression\ConstantExpression;
/**
* Adds a check for the __toString() method when the variable is an object and the sandbox is activated.
*
* When there is a simple Print statement, like {{ article }},
* and if the sandbox is enabled, we need to check that the __toString()
* method is allowed if 'article' is an object.
*
* Not used anymore, to be deprecated in 2.x and removed in 3.0
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class SandboxedPrintNode extends PrintNode
{
public function compile(Compiler $compiler)
{
$compiler
->addDebugInfo($this)
->write('echo ')
;
$expr = $this->getNode('expr');
if ($expr instanceof ConstantExpression) {
$compiler
->subcompile($expr)
->raw(";\n")
;
} else {
$compiler
->write('$this->extensions[SandboxExtension::class]->ensureToStringAllowed(')
->subcompile($expr)
->raw(', ')
->repr($expr->getTemplateLine())
->raw(", \$this->source);\n")
;
}
}
}
class_alias('Twig\Node\SandboxedPrintNode', 'Twig_Node_SandboxedPrint');