<?php
/**
 * Created by PhpStorm.
 * User: net15
 * Date: 12/11/2017
 * Time: 01:18
 */

namespace UserBasisBundle\Service\Security;


use Symfony\Component\HttpFoundation\RequestStack;

class IpInfoGetter
{
    /**
     * @var RequestStack $requestStack
     */
    private $requestStack;
    /**
     * @var null|string
     */
    protected $geoApiUrl;
    /**
     * @var null|string
     */
    protected $geoApiKey;

    public function __construct(RequestStack $requestStack, ?string $geoApiUrl, ?string $geoApi)
    {
        $this->requestStack = $requestStack;
        $this->geoApiUrl = $geoApiUrl;
        $this->geoApiKey = $geoApi;
    }

    public function getInfo(){
        $info = array();
        $info['ip'] =  $this->getIp();
        $info['geolocalisation'] = $this->geolocIp($info['ip']);
        return $info;
    }

    public function getIp(){
        return $this->requestStack->getCurrentRequest()->getClientIp();
    }

    private function geolocIp($ip){
        $url = $this->geoApiUrl.$ip."?key=".$this->geoApiKey;

        $ch = curl_init();
        // Disable SSL verification
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        // Will return the response, if false it print the response
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        // Set the url
        curl_setopt($ch, CURLOPT_URL,$url);
        // Execute
        $result=curl_exec($ch);
        // Closing
        curl_close($ch);


        return json_decode($result, true);
    }

    /**
     * Check if host is self called
     *
     * @param bool $disallowProxy
     * @return bool
     */
    public function isSelfCalled($disallowProxy = false){
        if($disallowProxy){
            $xf = $this->requestStack->getCurrentRequest()->headers->get('X-Forwarded-For',1010);
            if($xf != 1010)
                return false;
        }


        $ch = curl_init($_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'].'/workers/app/self-ip.php');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
        $localIp = curl_exec($ch);
        curl_close($ch);
        return ($this->getIp() === $localIp);
    }
}