Files
phpMAE/classes/CustomValidationVisitor.php

32 lines
964 B
PHP

<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
namespace CloudObjects\PhpMAE;
use PHPSandbox\PHPSandbox;
use PhpParser\Node, PhpParser\NodeVisitorAbstract;
/**
* Performs additional sandbox validation steps which are specific to phpMAE and
* not implemented in a compatible way in the PHPSandbox library.
*/
class CustomValidationVisitor extends NodeVisitorAbstract {
protected $sandbox;
public function __construct(PHPSandbox $sandbox) {
$this->sandbox = $sandbox;
}
public function leaveNode(Node $node) {
if ($node instanceof Node\Expr\FuncCall) {
if ($node->name instanceof Node\Expr\Variable) {
$this->sandbox->validationError("Sandboxed code attempted to call a variable method!", 0, $node);
}
}
}
}