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<?php /* * @package RSFirewall! * @copyright (c) 2009 - 2024 RSJoomla! * @link https://www.rsjoomla.com/joomla-extensions/joomla-security.html * @license GNU General Public License https://www.gnu.org/licenses/gpl-3.0.en.html */ \defined('_JEXEC') or die; use Joomla\CMS\Language\Text; class RSFirewallIPBase { // Hold our IP address in human readable format. protected $ip; // Constructor public function __construct($ip) { // Assign provided IP for class access. $this->ip = $ip; } // Returns the human readable format of the IP address. // @return string public function toAddress() { return $this->ip; } // Returns the binary representation of the IP address. // @return string public function toBinary() { $unpacked = str_split($this->toUnpacked()); $bin = ''; foreach ($unpacked as $char) { $bin .= str_pad(decbin(ord($char)), 8, '0', STR_PAD_LEFT); } return $bin; } // Returns the packed representation of IP (in_addr). // @return string public function toPacked() { if (function_exists('inet_pton')) { $packed = @inet_pton($this->ip); } else { $packed = $this->inet_pton($this->ip); } if ($packed === false) { throw new Exception(Text::sprintf('COM_RSFIREWALL_COULD_NOT_TRANSFORM_PTON', $this->ip)); } return $packed; } // Applies a mask to current IP to get the bits. // @return string public function applyMask($mask) { return substr($this->toBinary(), 0, $this->cleanMask($mask)); } }
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