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<?php |
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namespace MallardDuck\Whois; |
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use TrueBV\Punycode; |
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use League\Uri\Components\Host; |
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use Hoa\Socket\Client as SocketClient; |
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use MallardDuck\Whois\WhoisServerList\Locator; |
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use MallardDuck\Whois\Exceptions\MissingArgException; |
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/** |
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* The Whois Client Class. |
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* |
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* @author mallardduck <[email protected]> |
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* @copyright lucidinternets.com 2018 |
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* @version 1.0.0 |
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*/ |
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class Client |
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{ |
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/** |
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* The TLD Whois locator class. |
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* @var Locator |
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*/ |
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private $tldLocator; |
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/** |
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* The Unicode for IDNA. |
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* @var TrueBV\Punycode |
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*/ |
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private $punycode; |
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/** |
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* The carriage return line feed character comobo. |
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* @var string |
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*/ |
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private $clrf = "\r\n"; |
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/** |
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* The input domain provided by the user. |
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* @var string |
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*/ |
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public $inputDomain; |
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/** |
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* The encoded domain after parsing with Punycode. |
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* @var string |
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*/ |
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public $encodedDomain; |
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/** |
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* Construct the Whois Client Class. |
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*/ |
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public function __construct() |
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{ |
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$this->punycode = new Punycode(); |
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$this->tldLocator = new Locator; |
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} |
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/** |
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* Takes the user provided domain and parses then encodes just the registerable domain. |
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* @param string $domain The user provided domain. |
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* @return string Just the registrable part of a domain encoded for IDNA. |
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*/ |
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private function getRegistrableDomain($domain) |
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{ |
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$host = (new Host($domain))->getRegistrableDomain(); |
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if ( strlen($host) === 0 && strlen($host) >= 0) { |
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$host = $domain; |
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} |
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return $this->punycode->encode($host); |
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} |
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/** |
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* Performs a Whois look up on the domain provided. |
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* @param string $domain The domain being looked up via whois. |
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* @return string The output of the Whois look up. |
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*/ |
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public function lookup($domain = '') |
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{ |
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if (empty($domain)) { |
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throw new MissingArgException("Must provide a domain name when using lookup method."); |
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} |
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$this->inputDomain = $domain; |
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$this->encodedDomain = $this->getRegistrableDomain($domain); |
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// Get the domains whois server. |
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$whoisServer = $this->tldLocator->getWhoisServer($this->encodedDomain); |
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// Form a socket connection to the whois server. |
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$client = new SocketClient('tcp://' . $whoisServer . ':43', 10); |
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$client->connect(); |
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// Send the domain name requested for whois lookup. |
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$client->writeString($this->encodedDomain . $this->clrf); |
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// Read and return the full output of the whois lookup. |
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$response = $client->readAll(); |
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$client->disconnect(); |
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return $response; |
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} |
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} |
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mallardduck /
php-whois-client
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