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<?php |
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/** |
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* This file is part of the Shieldon package. |
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* |
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* (c) Terry L. <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* php version 7.1.0 |
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* |
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* @category Web-security |
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* @package Shieldon |
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* @author Terry Lin <[email protected]> |
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* @copyright 2019 terrylinooo |
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* @license https://github.com/terrylinooo/shieldon/blob/2.x/LICENSE MIT |
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* @link https://github.com/terrylinooo/shieldon |
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* @see https://shieldon.io |
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*/ |
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declare(strict_types=1); |
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namespace Shieldon\Firewall; |
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use function substr; |
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use function gethostbyaddr; |
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use function Shieldon\Firewall\set_ip; |
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/** |
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* IP Trait |
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*/ |
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trait IpTrait |
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{ |
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/** |
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* Public methods | Desctiotion |
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* ----------------------|--------------------------------------------- |
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* setIp | Set an IP address. |
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* getIp | Get current set IP. |
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* setRdns | Set a RDNS record for the check. |
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* getRdns | Get IP resolved hostname. |
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* ----------------------|--------------------------------------------- |
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*/ |
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/** |
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* IP address. |
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* |
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* @var string |
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*/ |
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protected $ip = ''; |
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/** |
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* The RDNS recond of the Robot's IP address. |
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* This is the most important value because that the IP of the most popular |
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* search engines can be resolved to their domain name. |
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* |
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* @var string |
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*/ |
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protected $rdns = ''; |
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/** |
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* Set an IP address. |
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* If you want to deal with the proxy and CDN IPs. |
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* |
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* @param string $ip The IP address. |
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* @param bool $queryRdns The option to query RDNS. |
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* |
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* @return void |
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*/ |
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public function setIp(string $ip, $queryRdns = false): void |
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{ |
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146 |
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$this->ip = $ip; |
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set_ip($this->ip); |
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if ($queryRdns) { |
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// Check if your IP is from localhost, perhaps your are in development |
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// environment? |
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if (substr($this->ip, 0, 8) === '192.168.' || |
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substr($this->ip, 0, 6) === '127.0.' |
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) { |
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$this->setRdns('localhost'); |
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} else { |
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$this->setRdns(gethostbyaddr($this->ip)); |
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} |
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} |
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} |
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/** |
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* Get current set IP. |
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* |
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* @return string |
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*/ |
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public function getIp(): string |
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{ |
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return $this->ip; |
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} |
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13 |
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/** |
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* Set a RDNS record for the check. |
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* |
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* @param string $rdns Reserve DNS record for that IP address. |
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* |
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* @return void |
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*/ |
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public function setRdns($rdns): void |
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{ |
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$this->rdns = $rdns; |
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} |
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111 |
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/** |
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* Get IP resolved hostname. |
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* |
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* @return string |
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*/ |
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public function getRdns(): string |
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{ |
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return $this->rdns; |
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} |
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} |
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terrylinooo /
shieldon
