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<?php |
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/** |
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* sysPass |
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* |
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* @author nuxsmin |
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* @link https://syspass.org |
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* @copyright 2012-2019, Rubén Domínguez nuxsmin@$syspass.org |
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* |
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* This file is part of sysPass. |
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* |
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* sysPass is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* sysPass is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with sysPass. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SP\Http; |
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use SP\Core\Exceptions\InvalidArgumentException; |
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/** |
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* Class Address |
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* |
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* @package SP\Http |
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*/ |
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final class Address |
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{ |
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const PATTERN_IP_ADDRESS = '#^(?<address>[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3})(?:/(?:(?<mask>[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3})|(?<cidr>[\d]{1,2})))?$#'; |
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/** |
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* @param $address |
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* |
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* @return mixed |
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* @throws InvalidArgumentException |
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*/ |
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public static function toBinary(string $address) |
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{ |
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if (!filter_var($address, FILTER_VALIDATE_IP) |
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|| ($binAddress = @inet_pton($address)) === false |
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) { |
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logger(sprintf('%s : %s', __('Invalid IP'), $address)); |
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throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); |
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} |
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return $binAddress; |
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} |
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/** |
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* @param string $address |
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* |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public static function fromBinary(string $address) |
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{ |
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$stringAddress = @inet_ntop($address); |
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if ($stringAddress === false) { |
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logger(sprintf('%s : %s', __('Invalid IP'), $address)); |
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throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); |
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} |
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return $stringAddress; |
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} |
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/** |
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* Parses an IPv4 address from either "192.168.0.1", "192.168.0.0/255.255.255.0" or "192.168.0.0/24" formats |
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* |
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* @param string $address |
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* |
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* @return array |
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* @throws InvalidArgumentException |
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*/ |
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public static function parse4(string $address) |
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{ |
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if (preg_match(self::PATTERN_IP_ADDRESS, $address, $matches)) { |
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return $matches; |
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} |
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throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); |
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} |
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/** |
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* Checks whether an IP address is included within $inAddress and $inMask |
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* |
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* @param string $address |
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* @param string $inAddress |
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* @param string $inMask |
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* |
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* @return int |
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* @throws InvalidArgumentException |
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*/ |
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public static function check(string $address, string $inAddress, string $inMask) |
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{ |
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if (!filter_var($address, FILTER_VALIDATE_IP) |
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|| !filter_var($inAddress, FILTER_VALIDATE_IP) |
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|| !filter_var($inMask, FILTER_VALIDATE_IP) |
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) { |
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throw new InvalidArgumentException(__u('Invalid IP'), InvalidArgumentException::ERROR, $address); |
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} |
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// Obtains subnets based on mask ie.: subnet === subnet |
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return (ip2long($address) & ip2long($inMask)) === (ip2long($inAddress) & ip2long($inMask)); |
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} |
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/** |
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* Converts a CIDR mask into decimal |
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* |
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* @param int $bits |
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* |
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* @return int |
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*/ |
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public static function cidrToDec(int $bits) |
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{ |
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return long2ip(-1 << (32 - $bits)); |
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} |
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} |
nuxsmin /
sysPass
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