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File Name : IpUtils.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpFoundation;

/**
 * Http utility functions.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class IpUtils
{
    /**
     * This class should not be instantiated
     */
    private function __construct() {}

/**
     * Checks if an IPv4 or IPv6 address is contained in the list of given IPs or subnets
     *
     * @param string       $requestIp   IP to check
     * @param string|array $ips         List of IPs or subnets (can be a string if only a single one)
     *
     * @return boolean Whether the IP is valid
     */
    public static function checkIp($requestIp, $ips)
    {
        if (!is_array($ips)) {
            $ips = array($ips);
        }

$method = false !== strpos($requestIp, ':') ? 'checkIp6': 'checkIp4';

foreach ($ips as $ip) {
            if (self::$method($requestIp, $ip)) {
                return true;
            }
        }

return false;
    }

/**
     * Compares two IPv4 addresses.
     * In case a subnet is given, it checks if it contains the request IP.
     *
     * @param string $requestIp IPv4 address to check
     * @param string $ip        IPv4 address or subnet in CIDR notation
     *
     * @return boolean Whether the IP is valid
     */
    public static function checkIp4($requestIp, $ip)
    {
        if (false !== strpos($ip, '/')) {
            list($address, $netmask) = explode('/', $ip, 2);

if ($netmask < 1 || $netmask > 32) {
                return false;
            }
        } else {
            $address = $ip;
            $netmask = 32;
        }

return 0 === substr_compare(sprintf('%032b', ip2long($requestIp)), sprintf('%032b', ip2long($address)), 0, $netmask);
    }

/**
     * Compares two IPv6 addresses.
     * In case a subnet is given, it checks if it contains the request IP.
     *
     * @author David Soria Parra <dsp at php dot net>
     * @see https://github.com/dsp/v6tools
     *
     * @param string $requestIp IPv6 address to check
     * @param string $ip        IPv6 address or subnet in CIDR notation
     *
     * @return boolean Whether the IP is valid
     *
     * @throws \RuntimeException When IPV6 support is not enabled
     */
    public static function checkIp6($requestIp, $ip)
    {
        if (!((extension_loaded('sockets') && defined('AF_INET6')) || @inet_pton('::1'))) {
            throw new \RuntimeException('Unable to check Ipv6. Check that PHP was not compiled with option "disable-ipv6".');
        }

if (false !== strpos($ip, '/')) {
            list($address, $netmask) = explode('/', $ip, 2);

if ($netmask < 1 || $netmask > 128) {
                return false;
            }
        } else {
            $address = $ip;
            $netmask = 128;
        }

$bytesAddr = unpack("n*", inet_pton($address));
        $bytesTest = unpack("n*", inet_pton($requestIp));

for ($i = 1, $ceil = ceil($netmask / 16); $i <= $ceil; $i++) {
            $left = $netmask - 16 * ($i-1);
            $left = ($left <= 16) ? $left : 16;
            $mask = ~(0xffff >> $left) & 0xffff;
            if (($bytesAddr[$i] & $mask) != ($bytesTest[$i] & $mask)) {
                return false;
            }
        }

return true;
    }
}

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File : BlackDragon /simple/function.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2024-03-03 10:55:08
..	dir	-	root/root	0755	2024-03-03 10:55:08
File	dir	-	root/root	0755	2024-03-03 10:55:08
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Session	dir	-	root/root	0755	2024-03-03 10:55:08
AcceptHeader.php	text/x-php	3.53 KB	root/root	0644	2019-12-18 11:20:41
AcceptHeaderItem.php	text/x-php	4.8 KB	root/root	0644	2019-12-18 11:20:41
ApacheRequest.php	text/x-php	930 B	root/root	0644	2019-12-18 11:20:41
BinaryFileResponse.php	text/x-php	9.43 KB	root/root	0644	2019-12-18 11:20:41
Cookie.php	text/x-php	4.95 KB	root/root	0644	2019-12-18 11:20:41
ExpressionRequestMatcher.php	text/x-php	1.33 KB	root/root	0644	2019-12-18 11:20:41
FileBag.php	text/x-php	3.94 KB	root/root	0644	2019-12-18 11:20:41
HeaderBag.php	text/x-php	7.95 KB	root/root	0644	2019-12-18 11:20:41
IpUtils.php	text/x-php	3.43 KB	root/root	0644	2019-12-18 11:20:41
JsonResponse.php	text/x-php	4.52 KB	root/root	0644	2019-12-18 11:20:41
ParameterBag.php	text/x-php	7.91 KB	root/root	0644	2019-12-18 11:20:41
RedirectResponse.php	text/x-php	2.63 KB	root/root	0644	2019-12-18 11:20:41
Request.php	text/x-php	54.6 KB	root/root	0644	2019-12-18 11:20:41
RequestMatcher.php	text/x-php	3.71 KB	root/root	0644	2019-12-18 11:20:41
RequestMatcherInterface.php	text/x-php	791 B	root/root	0644	2019-12-18 11:20:41
RequestStack.php	text/x-php	2.32 KB	root/root	0644	2019-12-18 11:20:41
Response.php	text/x-php	34.97 KB	root/root	0644	2019-12-18 11:20:41
ResponseHeaderBag.php	text/x-php	8.64 KB	root/root	0644	2019-12-18 11:20:41
ServerBag.php	text/x-php	3.62 KB	root/root	0644	2019-12-18 11:20:41
StreamedResponse.php	text/x-php	3.14 KB	root/root	0644	2019-12-18 11:20:41
autoloader.php	text/x-php	344 B	root/root	0644	2019-12-18 11:20:41