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<?php |
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namespace MallardDuck\Whois; |
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use TrueBV\Punycode; |
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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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* |
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* @copyright lucidinternets.com 2018 |
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* |
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* @version 0.4.0 |
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*/ |
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class Client extends AbstractWhoisClient |
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{ |
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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 parsed input after validating and encoding. |
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* @var string |
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*/ |
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public $parsedInput; |
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/** |
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* Construct the Whois Client Class. |
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*/ |
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public function __construct() |
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{ |
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$this->punycode = new Punycode(); |
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} |
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/** |
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* Performs a Whois look up on the domain provided. |
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* @param string $input The domain or ip being looked up via whois. |
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* @param string $whoisServer The whois server to preform the lookup on. |
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* |
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* @return string The output of the Whois look up. |
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*/ |
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public function lookup(string $input = "", string $whoisServer = "") : string |
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{ |
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$this->validateLookupArgs($input, $whoisServer); |
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$this->parseWhoisInput($input); |
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return $this->makeRequest($this->parsedInput, $whoisServer); |
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} |
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/** |
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* Validates the input for the `lookup` method. |
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* @param string $input A string that should represent a domain name or IP. |
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* @param string $whoisServer A string that represents a domain or IP of a whois server. |
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*/ |
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private function validateLookupArgs(string $input = "", string $whoisServer = "") : void |
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{ |
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if (empty($input) || empty($whoisServer)) { |
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$primaryMissing = $input ? false : true; |
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$serverMissing = $whoisServer ? false : true; |
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if ($primaryMissing && $serverMissing) { |
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throw new MissingArgException( |
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"No input provided. Must provide both primary input (domain or IP) and whois server to this method." |
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); |
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} elseif ($primaryMissing) { |
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throw new MissingArgException( |
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"No primary input provided. Cannot lookup empty domain, or IP string." |
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); |
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} elseif ($serverMissing) { |
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throw new MissingArgException( |
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"No whois server provided. Must provide IP or domain for whois server with this method." |
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); |
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} |
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} |
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} |
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/** |
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* Takes the user provided input and parses then encodes the string. |
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* @param string $input The user provided input. |
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* |
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* @return string Returns the parsed whois input. |
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*/ |
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public function parseWhoisInput(string $input) : string |
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{ |
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// Check domain encoding |
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$encoding = mb_detect_encoding($input); |
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// Punycode the domain if it's Unicode |
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if ("UTF-8" === $encoding) { |
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$input = $this->punycode->encode($input); |
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} |
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$this->parsedInput = $input; |
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return $input; |
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} |
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} |
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mallardduck /
php-whois-client
