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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 AbstractClient |
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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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protected $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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protected $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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protected $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 parsed domain after validating and encoding. |
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* @var string |
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*/ |
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public $parsedDomain; |
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/** |
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* Construct the Whois Client Class. |
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*/ |
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public function __construct() |
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{ |
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$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 $domain The user provided domain. |
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* @return string Just the registrable part of a domain encoded for IDNA. |
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*/ |
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protected function parseWhoisDomain($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 = $domain; |
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// Check domain encoding |
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$encoding = mb_detect_encoding($domain); |
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// Attempt to parse the domains Host component and get the registrable parts. |
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$host = new Host($domain); |
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// Get the method by which is supported to maintain PHP 7 and 5.6 compatibility. |
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$method = (method_exists($host, 'getRegistrableDomain')) ? 'getRegistrableDomain' : 'getRegisterableDomain'; |
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$processedDomain = $host->$method(); |
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// Check how the host component was parsed |
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if (strlen($processedDomain) === 0 && strlen($domain) >= 0) { |
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$processedDomain = $domain; |
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1 |
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} |
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// Punycode the domain if it's Unicode |
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if ("UTF-8" === $encoding) { |
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$processedDomain = $this->punycode->encode($processedDomain); |
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} |
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$this->parsedDomain = $processedDomain; |
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return $this; |
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} |
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/** |
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* A unicode safe method for making whois requests. |
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* |
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* The main difference with this method is the benefit of |
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* |
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* @param string $domain The domain or IP being looked up. |
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* @param string $whoisServer The whois server being queried. |
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* @return string The raw results of the query response. |
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*/ |
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public function makeWhoisRequest($domain, $whoisServer) |
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{ |
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$this->parseWhoisDomain($domain); |
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// Form a socket connection to the whois server. |
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return $this->makeWhoisRawRequest($this->parsedDomain, $whoisServer); |
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} |
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/** |
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* A function for making a raw Whois request. |
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* @param string $domain The domain or IP being looked up. |
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* @param string $whoisServer The whois server being queried. |
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* @return string The raw results of the query response. |
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*/ |
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public function makeWhoisRawRequest($domain, $whoisServer) |
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{ |
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// Form a tcp socket connection to the whois server. |
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$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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$client->writeString($domain . $this->clrf); |
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// Read the full output of the whois lookup. |
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$response = $client->readAll(); |
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// Disconnect the connections to prevent network/performance issues. |
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// Yes, it's necessary. Without disconnecting I discovered errores when |
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// I began adding tests to the library. |
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$client->disconnect(); |
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return $response; |
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} |
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} |
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mallardduck /
php-whois-client
