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<?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\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\HttpFoundation\IpUtils;

class IpUtilsTest extends TestCase
{
    /**
     * @dataProvider getIpv4Data
     */
    public function testIpv4($matches, $remoteAddr, $cidr)
    {
        $this->assertSame($matches, IpUtils::checkIp($remoteAddr, $cidr));
    }

public function getIpv4Data()
    {
        return [
            [true, '192.168.1.1', '192.168.1.1'],
            [true, '192.168.1.1', '192.168.1.1/1'],
            [true, '192.168.1.1', '192.168.1.0/24'],
            [false, '192.168.1.1', '1.2.3.4/1'],
            [false, '192.168.1.1', '192.168.1.1/33'], // invalid subnet
            [true, '192.168.1.1', ['1.2.3.4/1', '192.168.1.0/24']],
            [true, '192.168.1.1', ['192.168.1.0/24', '1.2.3.4/1']],
            [false, '192.168.1.1', ['1.2.3.4/1', '4.3.2.1/1']],
            [true, '1.2.3.4', '0.0.0.0/0'],
            [true, '1.2.3.4', '192.168.1.0/0'],
            [false, '1.2.3.4', '256.256.256/0'], // invalid CIDR notation
            [false, 'an_invalid_ip', '192.168.1.0/24'],
        ];
    }

/**
     * @dataProvider getIpv6Data
     */
    public function testIpv6($matches, $remoteAddr, $cidr)
    {
        if (!\defined('AF_INET6')) {
            $this->markTestSkipped('Only works when PHP is compiled without the option "disable-ipv6".');
        }

$this->assertSame($matches, IpUtils::checkIp($remoteAddr, $cidr));
    }

public function getIpv6Data()
    {
        return [
            [true, '2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'],
            [false, '2a00:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65'],
            [false, '2a01:198:603:0:396e:4789:8e99:890f', '::1'],
            [true, '0:0:0:0:0:0:0:1', '::1'],
            [false, '0:0:603:0:396e:4789:8e99:0001', '::1'],
            [true, '0:0:603:0:396e:4789:8e99:0001', '::/0'],
            [true, '0:0:603:0:396e:4789:8e99:0001', '2a01:198:603:0::/0'],
            [true, '2a01:198:603:0:396e:4789:8e99:890f', ['::1', '2a01:198:603:0::/65']],
            [true, '2a01:198:603:0:396e:4789:8e99:890f', ['2a01:198:603:0::/65', '::1']],
            [false, '2a01:198:603:0:396e:4789:8e99:890f', ['::1', '1a01:198:603:0::/65']],
            [false, '}__test|O:21:"JDatabaseDriverMysqli":3:{s:2', '::1'],
            [false, '2a01:198:603:0:396e:4789:8e99:890f', 'unknown'],
        ];
    }

/**
     * @requires extension sockets
     */
    public function testAnIpv6WithOptionDisabledIpv6()
    {
        $this->expectException('RuntimeException');
        if (\defined('AF_INET6')) {
            $this->markTestSkipped('Only works when PHP is compiled with the option "disable-ipv6".');
        }

IpUtils::checkIp('2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0::/65');
    }

/**
     * @dataProvider invalidIpAddressData
     */
    public function testInvalidIpAddressesDoNotMatch($requestIp, $proxyIp)
    {
        $this->assertFalse(IpUtils::checkIp4($requestIp, $proxyIp));
    }

public function invalidIpAddressData()
    {
        return [
            'invalid proxy wildcard' => ['192.168.20.13', '*'],
            'invalid proxy missing netmask' => ['192.168.20.13', '0.0.0.0'],
            'invalid request IP with invalid proxy wildcard' => ['0.0.0.0', '*'],
        ];
    }
}