rattfieldnz / shodan

src/Libraries/Data/Data.php

<?php

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namespace RattfieldNz\Shodan\Libraries\Data;

use RattfieldNz\Shodan\Libraries\Config\Config;

/**
 * Class Data.
 *
 * @category PHP

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 *
 * @author  Rob Attfield <emailme@robertattfield.com>

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 * @license https://github.com/rattfieldnz/shodan/blob/master/LICENSE MIT

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 */

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class Data
{

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    private $_ip;

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    private $_url;

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    public function __construct(string $url)

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    {

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        $this->_url = $url;
        $this->_ip = $this->getIp($this->_url);

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    }

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    /**
     * Get Shodan API URL with key.
     *
     * @return string
     */
    public function shodanApiUrl()
    {

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        return 'https://api.shodan.io/shodan/host/'.$this->_ip.'?key='.

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            Config::shodanApiKey();
    }

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    /**
     * Get IPv4 address from a URL.
     *
     * @param string $url

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     *
     * @return string|null
     */
    public function getIp(string $url)
    {

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        $domain = parse_url($url);
        if (empty($domain['host'])) {
            return;

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        }

        $ip = gethostbyname($domain['host']);

        return filter_var($ip, FILTER_VALIDATE_IP) ? $ip : null;

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    }

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    /**
     * Returns URL set when initialising Data object.
     *
     * @return string
     */
    public function getUrl()
    {

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        return $this->_url;
    }

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}

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