Czshare downloader

czshareDownloader.php

<?php

class CzshareDownloader extends Nette\Object {

	/** @var string */
	private $loginUrl = "https://czshare.com/index.php";

	/** @var string */
	private $grabberLink = "http://czshare.com/index.php?pg=grabber";

	/** @var string */
	private $username;

	/** @var string */
	private $password;

	/**
	 * @param $username czshare username
	 * @param $password czshare password
	 */
	public function __construct($username, $password) {
		$this->username = $username;
		$this->password = $password;
	}

	/**
	 * @param $url
	 * @param $downloadDir
	 */
	public function downloadUrl($url, $downloadDir) {
		$url = $this->parseFileCredentials($url, $this->login());
		`cd $downloadDir && curl -LJO $url`;
	}

	/**
	 * @param $url
	 * @param $cookies
	 * @return string url of file to download
	 */
	private function parseFileCredentials($url, $cookies) {
		$request = new Kdyby\Curl\Request($this->grabberLink);
		$request->cookies = $cookies;
		$response = $request->post(array("linky" => $url));

		list($smth, $url) = explode('<div class="forum clearfix">', $response->response);
		list($smth, $url) = explode('href="', $url);
		list($url) = explode('"', $url);
		return $url;
	}

	/**
	 * @return array cookies
	 */
	private function login() {
		$request = new Kdyby\Curl\Request( $this->loginUrl );
		$response = $request->post(array(
										"login-name"     => $this->username,
										"login-password" => $this->password,
										"trvale" => "on",
										"Prihlasit" => "Přihlásit"
								   ));
		return $response->cookies;
	}
}