Shell Bypass 403 GE-C666C

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Directory >> /var/www/html/back/vendor/psy/psysh/src/CodeCleaner/

File / Folder	Size	Action
.	-
AbstractClassPass.php	2.377KB	edt ren
AssignThisVariablePass.php	1.114KB	edt ren
CallTimePassByReference...	1.601KB	edt ren
CalledClassPass.php	2.848KB	edt ren
CodeCleanerPass.php	0.405KB	edt ren
EmptyArrayDimFetchPass.php	2.031KB	edt ren
ExitPass.php	0.953KB	edt ren
FinalClassPass.php	1.798KB	edt ren
FunctionContextPass.php	1.594KB	edt ren
FunctionReturnInWriteCo...	2.707KB	edt ren
ImplicitReturnPass.php	4.12KB	edt ren
ImplicitUsePass.php	13.113KB	edt ren
IssetPass.php	1.399KB	edt ren
LabelContextPass.php	2.647KB	edt ren
LeavePsyshAlonePass.php	0.99KB	edt ren
ListPass.php	2.89KB	edt ren
LoopContextPass.php	4.01KB	edt ren
MagicConstantsPass.php	1.064KB	edt ren
NamespaceAwarePass.php	5.143KB	edt ren
NamespacePass.php	3.244KB	edt ren
NoReturnValue.php	0.809KB	edt ren
PassableByReferencePass...	4.802KB	edt ren
RequirePass.php	4.79KB	edt ren
ReturnTypePass.php	3.726KB	edt ren
StrictTypesPass.php	3.11KB	edt ren
UseStatementPass.php	5.034KB	edt ren
ValidClassNamePass.php	9.272KB	edt ren
ValidConstructorPass.php	4.305KB	edt ren
ValidFunctionNamePass.php	2.414KB	edt ren

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2025 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\CodeCleaner;

use PhpParser\Node;
use PhpParser\Node\ArrayItem;
use PhpParser\Node\Expr\Array_;
use PhpParser\Node\Expr\ArrayDimFetch;
// @todo Drop PhpParser\Node\Expr\ArrayItem once we drop support for PHP-Parser 4.x
use PhpParser\Node\Expr\ArrayItem as LegacyArrayItem;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\List_;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\Variable;
use Psy\Exception\ParseErrorException;

/**
 * Validate that the list assignment.
 */
class ListPass extends CodeCleanerPass
{
    /**
     * Validate use of list assignment.
     *
     * @throws ParseErrorException if the user used empty with anything but a variable
     *
     * @param Node $node
     *
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if (!$node instanceof Assign) {
            return null;
        }

if (!$node->var instanceof Array_ && !$node->var instanceof List_) {
            return null;
        }

// Polyfill for PHP-Parser 2.x
        $items = isset($node->var->items) ? $node->var->items : (\property_exists($node->var, 'vars') ? $node->var->vars : []);

if ($items === [] || $items === [null]) {
            throw new ParseErrorException('Cannot use empty list', ['startLine' => $node->var->getStartLine(), 'endLine' => $node->var->getEndLine()]);
        }

$itemFound = false;
        foreach ($items as $item) {
            if ($item === null) {
                continue;
            }

$itemFound = true;

if (!self::isValidArrayItem($item)) {
                $msg = 'Assignments can only happen to writable values';
                throw new ParseErrorException($msg, ['startLine' => $item->getStartLine(), 'endLine' => $item->getEndLine()]);
            }
        }

if (!$itemFound) {
            throw new ParseErrorException('Cannot use empty list');
        }

return null;
    }

/**
     * Validate whether a given item in an array is valid for short assignment.
     *
     * @param Node $item
     */
    private static function isValidArrayItem(Node $item): bool
    {
        $value = ($item instanceof ArrayItem || $item instanceof LegacyArrayItem) ? $item->value : $item;

while ($value instanceof ArrayDimFetch || $value instanceof PropertyFetch) {
            $value = $value->var;
        }

// We just kind of give up if it's a method call. We can't tell if it's
        // valid via static analysis.
        return $value instanceof Variable || $value instanceof MethodCall || $value instanceof FuncCall;
    }
}