<?php
/**
 * Created by PhpStorm.
 * User: admin
 * Date: 17.05.15
 * Time: 14:10
 */
namespace Ganked\Frontend\ValueObjects;
use Ganked\Skeleton\Requests\AbstractRequest;
class AccessToken {
    /**
     * @var string
     */
    private $accessToken;
    /**
     * @param AbstractRequest $request
     */
    public function __construct(AbstractRequest $request)
    {
        $this->generateToken($request);
    }
    /**
     * @param AbstractRequest $request
     * @throws \RuntimeException
     */
    private function generateToken(AbstractRequest $request)
    {
        if (strpos($request->getHost(),'ganked.net') == false) {
            throw new \RuntimeException('Invalid host');
        }
        $host = $request->getHost();
        $userAgent = $request->getUserAgent();
        $token = sha1($host . $userAgent);
        $salt = ip2long($request->getIp());
        $this->accessToken = sha1($token . $salt . $userAgent);
    }
    /**
     * @return string
     */
    public function __toString()
    {
        return $this->accessToken;
    }
}