Oara\Network\Publisher\PrivateInternetAccess::login PHP Method

    public function login($credentials)
    {
        $user = $credentials['user'];
        $password = $credentials['password'];
        $this->_client = new \Oara\Curl\Access($credentials);
        $url = "https://www.privateinternetaccess.com/affiliates/sign_in";
        $valuesLogin = array(new \Oara\Curl\Parameter('affiliate[email]', $user), new \Oara\Curl\Parameter('affiliate[password]', $password));
        $urls = array();
        $urls[] = new \Oara\Curl\Request($url, $valuesLogin);
        $exportReport = $this->_client->post($urls);
        $doc = new \DOMDocument();
        @$doc->loadHTML($exportReport[0]);
        $xpath = new \DOMXPath($doc);
        $results = $xpath->query('//input[@type="hidden"]');
        $hiddenValue = null;
        foreach ($results as $result) {
            $name = $result->attributes->getNamedItem("name")->nodeValue;
            if ($name == "authenticity_token") {
                $hiddenValue = $result->attributes->getNamedItem("value")->nodeValue;
            }
        }
        if ($hiddenValue == null) {
            throw new \Exception("hidden value not found");
        }
        $valuesLogin = array(new \Oara\Curl\Parameter('authenticity_token', $hiddenValue), new \Oara\Curl\Parameter('affiliate[email]', $user), new \Oara\Curl\Parameter('affiliate[password]', $password), new \Oara\Curl\Parameter('utf8', '✓'), new \Oara\Curl\Parameter('commit', 'Login'), new \Oara\Curl\Parameter('affiliate[remember_me]', '0'));
        $urls = array();
        $urls[] = new \Oara\Curl\Request($url, $valuesLogin);
        $this->_client->post($urls);
    }