Exception
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File
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RateLimiter
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Session
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Test
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AcceptHeader.php
1 year ago
AcceptHeaderItem.php
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BinaryFileResponse.php
1 year ago
Cookie.php
1 year ago
ExpressionRequestMatcher.php
2 years ago
FileBag.php
1 year ago
HeaderBag.php
1 year ago
HeaderUtils.php
1 year ago
InputBag.php
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IpUtils.php
1 year ago
JsonResponse.php
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LICENSE
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ParameterBag.php
1 year ago
README.md
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RedirectResponse.php
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Request.php
8 months ago
RequestMatcher.php
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RequestMatcherInterface.php
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RequestStack.php
2 years ago
Response.php
1 year ago
ResponseHeaderBag.php
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ServerBag.php
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StreamedResponse.php
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UrlHelper.php
2 years ago
IpUtils.php
182 lines
| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of the Symfony package. |
| 5 | * |
| 6 | * (c) Fabien Potencier <fabien@symfony.com> |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | namespace Matomo\Dependencies\Symfony\Component\HttpFoundation; |
| 12 | |
| 13 | /** |
| 14 | * Http utility functions. |
| 15 | * |
| 16 | * @author Fabien Potencier <fabien@symfony.com> |
| 17 | */ |
| 18 | class IpUtils |
| 19 | { |
| 20 | private static $checkedIps = []; |
| 21 | /** |
| 22 | * This class should not be instantiated. |
| 23 | */ |
| 24 | private function __construct() |
| 25 | { |
| 26 | } |
| 27 | /** |
| 28 | * Checks if an IPv4 or IPv6 address is contained in the list of given IPs or subnets. |
| 29 | * |
| 30 | * @param string|array $ips List of IPs or subnets (can be a string if only a single one) |
| 31 | * |
| 32 | * @return bool |
| 33 | */ |
| 34 | public static function checkIp(?string $requestIp, $ips) |
| 35 | { |
| 36 | if (null === $requestIp) { |
| 37 | trigger_deprecation('symfony/http-foundation', '5.4', 'Passing null as $requestIp to "%s()" is deprecated, pass an empty string instead.', __METHOD__); |
| 38 | return \false; |
| 39 | } |
| 40 | if (!\is_array($ips)) { |
| 41 | $ips = [$ips]; |
| 42 | } |
| 43 | $method = substr_count($requestIp, ':') > 1 ? 'checkIp6' : 'checkIp4'; |
| 44 | foreach ($ips as $ip) { |
| 45 | if (self::$method($requestIp, $ip)) { |
| 46 | return \true; |
| 47 | } |
| 48 | } |
| 49 | return \false; |
| 50 | } |
| 51 | /** |
| 52 | * Compares two IPv4 addresses. |
| 53 | * In case a subnet is given, it checks if it contains the request IP. |
| 54 | * |
| 55 | * @param string $ip IPv4 address or subnet in CIDR notation |
| 56 | * |
| 57 | * @return bool Whether the request IP matches the IP, or whether the request IP is within the CIDR subnet |
| 58 | */ |
| 59 | public static function checkIp4(?string $requestIp, string $ip) |
| 60 | { |
| 61 | if (null === $requestIp) { |
| 62 | trigger_deprecation('symfony/http-foundation', '5.4', 'Passing null as $requestIp to "%s()" is deprecated, pass an empty string instead.', __METHOD__); |
| 63 | return \false; |
| 64 | } |
| 65 | $cacheKey = $requestIp . '-' . $ip . '-v4'; |
| 66 | if (isset(self::$checkedIps[$cacheKey])) { |
| 67 | return self::$checkedIps[$cacheKey]; |
| 68 | } |
| 69 | if (!filter_var($requestIp, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) { |
| 70 | return self::$checkedIps[$cacheKey] = \false; |
| 71 | } |
| 72 | if (str_contains($ip, '/')) { |
| 73 | [$address, $netmask] = explode('/', $ip, 2); |
| 74 | if ('0' === $netmask) { |
| 75 | return self::$checkedIps[$cacheKey] = \false !== filter_var($address, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4); |
| 76 | } |
| 77 | if ($netmask < 0 || $netmask > 32) { |
| 78 | return self::$checkedIps[$cacheKey] = \false; |
| 79 | } |
| 80 | } else { |
| 81 | $address = $ip; |
| 82 | $netmask = 32; |
| 83 | } |
| 84 | if (\false === ip2long($address)) { |
| 85 | return self::$checkedIps[$cacheKey] = \false; |
| 86 | } |
| 87 | return self::$checkedIps[$cacheKey] = 0 === substr_compare(sprintf('%032b', ip2long($requestIp)), sprintf('%032b', ip2long($address)), 0, $netmask); |
| 88 | } |
| 89 | /** |
| 90 | * Compares two IPv6 addresses. |
| 91 | * In case a subnet is given, it checks if it contains the request IP. |
| 92 | * |
| 93 | * @author David Soria Parra <dsp at php dot net> |
| 94 | * |
| 95 | * @see https://github.com/dsp/v6tools |
| 96 | * |
| 97 | * @param string $ip IPv6 address or subnet in CIDR notation |
| 98 | * |
| 99 | * @return bool |
| 100 | * |
| 101 | * @throws \RuntimeException When IPV6 support is not enabled |
| 102 | */ |
| 103 | public static function checkIp6(?string $requestIp, string $ip) |
| 104 | { |
| 105 | if (null === $requestIp) { |
| 106 | trigger_deprecation('symfony/http-foundation', '5.4', 'Passing null as $requestIp to "%s()" is deprecated, pass an empty string instead.', __METHOD__); |
| 107 | return \false; |
| 108 | } |
| 109 | $cacheKey = $requestIp . '-' . $ip . '-v6'; |
| 110 | if (isset(self::$checkedIps[$cacheKey])) { |
| 111 | return self::$checkedIps[$cacheKey]; |
| 112 | } |
| 113 | if (!(\extension_loaded('sockets') && \defined('AF_INET6') || @inet_pton('::1'))) { |
| 114 | throw new \RuntimeException('Unable to check Ipv6. Check that PHP was not compiled with option "disable-ipv6".'); |
| 115 | } |
| 116 | // Check to see if we were given a IP4 $requestIp or $ip by mistake |
| 117 | if (!filter_var($requestIp, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) { |
| 118 | return self::$checkedIps[$cacheKey] = \false; |
| 119 | } |
| 120 | if (str_contains($ip, '/')) { |
| 121 | [$address, $netmask] = explode('/', $ip, 2); |
| 122 | if (!filter_var($address, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) { |
| 123 | return self::$checkedIps[$cacheKey] = \false; |
| 124 | } |
| 125 | if ('0' === $netmask) { |
| 126 | return (bool) unpack('n*', @inet_pton($address)); |
| 127 | } |
| 128 | if ($netmask < 1 || $netmask > 128) { |
| 129 | return self::$checkedIps[$cacheKey] = \false; |
| 130 | } |
| 131 | } else { |
| 132 | if (!filter_var($ip, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) { |
| 133 | return self::$checkedIps[$cacheKey] = \false; |
| 134 | } |
| 135 | $address = $ip; |
| 136 | $netmask = 128; |
| 137 | } |
| 138 | $bytesAddr = unpack('n*', @inet_pton($address)); |
| 139 | $bytesTest = unpack('n*', @inet_pton($requestIp)); |
| 140 | if (!$bytesAddr || !$bytesTest) { |
| 141 | return self::$checkedIps[$cacheKey] = \false; |
| 142 | } |
| 143 | for ($i = 1, $ceil = ceil($netmask / 16); $i <= $ceil; ++$i) { |
| 144 | $left = $netmask - 16 * ($i - 1); |
| 145 | $left = $left <= 16 ? $left : 16; |
| 146 | $mask = ~(0xffff >> $left) & 0xffff; |
| 147 | if (($bytesAddr[$i] & $mask) != ($bytesTest[$i] & $mask)) { |
| 148 | return self::$checkedIps[$cacheKey] = \false; |
| 149 | } |
| 150 | } |
| 151 | return self::$checkedIps[$cacheKey] = \true; |
| 152 | } |
| 153 | /** |
| 154 | * Anonymizes an IP/IPv6. |
| 155 | * |
| 156 | * Removes the last byte for v4 and the last 8 bytes for v6 IPs |
| 157 | */ |
| 158 | public static function anonymize(string $ip) : string |
| 159 | { |
| 160 | $wrappedIPv6 = \false; |
| 161 | if ('[' === substr($ip, 0, 1) && ']' === substr($ip, -1, 1)) { |
| 162 | $wrappedIPv6 = \true; |
| 163 | $ip = substr($ip, 1, -1); |
| 164 | } |
| 165 | $packedAddress = inet_pton($ip); |
| 166 | if (4 === \strlen($packedAddress)) { |
| 167 | $mask = '255.255.255.0'; |
| 168 | } elseif ($ip === inet_ntop($packedAddress & inet_pton('::ffff:ffff:ffff'))) { |
| 169 | $mask = '::ffff:ffff:ff00'; |
| 170 | } elseif ($ip === inet_ntop($packedAddress & inet_pton('::ffff:ffff'))) { |
| 171 | $mask = '::ffff:ff00'; |
| 172 | } else { |
| 173 | $mask = 'ffff:ffff:ffff:ffff:0000:0000:0000:0000'; |
| 174 | } |
| 175 | $ip = inet_ntop($packedAddress & inet_pton($mask)); |
| 176 | if ($wrappedIPv6) { |
| 177 | $ip = '[' . $ip . ']'; |
| 178 | } |
| 179 | return $ip; |
| 180 | } |
| 181 | } |
| 182 |