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IpUtilsTest.php
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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
{
public function testSeparateCachesPerProtocol()
{
$ip = '192.168.52.1';
$subnet = '192.168.0.0/16';
$this->assertFalse(IpUtils::checkIp6($ip, $subnet));
$this->assertTrue(IpUtils::checkIp4($ip, $subnet));
$ip = '2a01:198:603:0:396e:4789:8e99:890f';
$subnet = '2a01:198:603:0::/65';
$this->assertFalse(IpUtils::checkIp4($ip, $subnet));
$this->assertTrue(IpUtils::checkIp6($ip, $subnet));
}
/**
* @dataProvider getIpv4Data
*/
public function testIpv4($matches, $remoteAddr, $cidr)
{
$this->assertSame($matches, IpUtils::checkIp($remoteAddr, $cidr));
}
public static function getIpv4Data()
{
return [
[true, '192.168.1.1', '192.168.1.1'],
[true, '192.168.1.1', '192.168.1.1/1'],
[true, '192.168.1.1', '192.168.1.0/24'],
[false, '192.168.1.1', '1.2.3.4/1'],
[false, '192.168.1.1', '192.168.1.1/33'], // invalid subnet
[true, '192.168.1.1', ['1.2.3.4/1', '192.168.1.0/24']],
[true, '192.168.1.1', ['192.168.1.0/24', '1.2.3.4/1']],
[false, '192.168.1.1', ['1.2.3.4/1', '4.3.2.1/1']],
[true, '1.2.3.4', '0.0.0.0/0'],
[true, '1.2.3.4', '192.168.1.0/0'],
[false, '1.2.3.4', '256.256.256/0'], // invalid CIDR notation
[false, 'an_invalid_ip', '192.168.1.0/24'],
[false, '', '1.2.3.4/1'],
];
}
/**
* @dataProvider getIpv6Data
*/
public function testIpv6($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 static 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'],
[false, '', '::1'],
[false, '127.0.0.1', '::1'],
[false, '0.0.0.0/8', '::1'],
[false, '::1', '127.0.0.1'],
[false, '::1', '0.0.0.0/8'],
[true, '::ffff:10.126.42.2', '::ffff:10.0.0.0/0'],
];
}
/**
* @requires extension sockets
*/
public function testAnIpv6WithOptionDisabledIpv6()
{
$this->expectException(\RuntimeException::class);
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, $proxyIp));
}
public static function invalidIpAddressData()
{
return [
'invalid proxy wildcard' => ['192.168.20.13', '*'],
'invalid proxy missing netmask' => ['192.168.20.13', '0.0.0.0'],
'invalid request IP with invalid proxy wildcard' => ['0.0.0.0', '*'],
];
}
/**
* @dataProvider anonymizedIpData
*/
public function testAnonymize($ip, $expected)
{
$this->assertSame($expected, IpUtils::anonymize($ip));
}
public static function anonymizedIpData()
{
return [
['192.168.1.1', '192.168.1.0'],
['1.2.3.4', '1.2.3.0'],
['2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603::'],
['2a01:198:603:10:396e:4789:8e99:890f', '2a01:198:603:10::'],
['::1', '::'],
['0:0:0:0:0:0:0:1', '::'],
['1:0:0:0:0:0:0:1', '1::'],
['0:0:603:50:396e:4789:8e99:0001', '0:0:603:50::'],
['[0:0:603:50:396e:4789:8e99:0001]', '[0:0:603:50::]'],
['[2a01:198::3]', '[2a01:198::]'],
['::ffff:123.234.235.236', '::ffff:123.234.235.0'], // IPv4-mapped IPv6 addresses
['::123.234.235.236', '::123.234.235.0'], // deprecated IPv4-compatible IPv6 address
['fe80::1fc4:15d8:78db:2319%enp4s0', 'fe80::'], // IPv6 link-local with RFC4007 scoping
];
}
/**
* @dataProvider anonymizedIpDataWithBytes
*/
public function testAnonymizeWithBytes($ip, $expected, $bytesForV4, $bytesForV6)
{
$this->assertSame($expected, IpUtils::anonymize($ip, $bytesForV4, $bytesForV6));
}
public static function anonymizedIpDataWithBytes(): array
{
return [
['192.168.1.1', '192.168.0.0', 2, 8],
['192.168.1.1', '192.0.0.0', 3, 8],
['192.168.1.1', '0.0.0.0', 4, 8],
['1.2.3.4', '1.2.3.0', 1, 8],
['1.2.3.4', '1.2.3.4', 0, 8],
['2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0:396e:4789:8e99:890f', 1, 0],
['2a01:198:603:0:396e:4789:8e99:890f', '2a01:198:603:0:396e:4789::', 1, 4],
['2a01:198:603:10:396e:4789:8e99:890f', '2a01:198:603:10:396e:4700::', 1, 5],
['2a01:198:603:10:396e:4789:8e99:890f', '2a00::', 1, 15],
['2a01:198:603:10:396e:4789:8e99:890f', '::', 1, 16],
['::1', '::', 1, 1],
['0:0:0:0:0:0:0:1', '::', 1, 1],
['1:0:0:0:0:0:0:1', '1::', 1, 1],
['0:0:603:50:396e:4789:8e99:0001', '0:0:603::', 1, 10],
['[0:0:603:50:396e:4789:8e99:0001]', '[::603:50:396e:4789:8e00:0]', 1, 3],
['[2a01:198::3]', '[2a01:198::]', 1, 2],
['::ffff:123.234.235.236', '::ffff:123.234.235.0', 1, 8], // IPv4-mapped IPv6 addresses
['::123.234.235.236', '::123.234.0.0', 2, 8], // deprecated IPv4-compatible IPv6 address
];
}
public function testAnonymizeV4WithNegativeBytes()
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Cannot anonymize less than 0 bytes.');
IpUtils::anonymize('anything', -1, 8);
}
public function testAnonymizeV6WithNegativeBytes()
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Cannot anonymize less than 0 bytes.');
IpUtils::anonymize('anything', 1, -1);
}
public function testAnonymizeV4WithTooManyBytes()
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Cannot anonymize more than 4 bytes for IPv4 and 16 bytes for IPv6.');
IpUtils::anonymize('anything', 5, 8);
}
public function testAnonymizeV6WithTooManyBytes()
{
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Cannot anonymize more than 4 bytes for IPv4 and 16 bytes for IPv6.');
IpUtils::anonymize('anything', 1, 17);
}
/**
* @dataProvider getIp4SubnetMaskZeroData
*/
public function testIp4SubnetMaskZero($matches, $remoteAddr, $cidr)
{
$this->assertSame($matches, IpUtils::checkIp4($remoteAddr, $cidr));
}
public static function getIp4SubnetMaskZeroData()
{
return [
[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
];
}
/**
* @dataProvider getIsPrivateIpData
*/
public function testIsPrivateIp(string $ip, bool $matches)
{
$this->assertSame($matches, IpUtils::isPrivateIp($ip));
}
public static function getIsPrivateIpData(): array
{
return [
// private
['127.0.0.1', true],
['10.0.0.1', true],
['192.168.0.1', true],
['172.16.0.1', true],
['169.254.0.1', true],
['0.0.0.1', true],
['240.0.0.1', true],
['::1', true],
['fc00::1', true],
['fe80::1', true],
['::ffff:0:1', true],
['fd00::1', true],
// public
['104.26.14.6', false],
['2606:4700:20::681a:e06', false],
];
}
public function testCacheSizeLimit()
{
$ref = new \ReflectionClass(IpUtils::class);
/** @var array */
$checkedIps = $ref->getStaticPropertyValue('checkedIps');
$this->assertIsArray($checkedIps);
$maxCheckedIps = 1000;
for ($i = 1; $i < $maxCheckedIps * 1.5; ++$i) {
$ip = '192.168.1.'.str_pad((string) $i, 3, '0');
IpUtils::checkIp4($ip, '127.0.0.1');
}
$this->assertLessThan($maxCheckedIps, \count($checkedIps));
}
}