<?php
/*
* MyUCP
* File Version 4.0
* Date: 30.03.2015
* Developed by Maksa988
*/

class vkAuth {
	private $client_id;
	private $client_secret;
	private $redirect_uri;
	private $authurl;
	private $getFields;

	private $OAuthURL = 'http://oauth.vk.com/';


	function __set($name,$value) {
		if($name == 'data')
		{
			$this->init($value['client_id'],$value['client_secret'],$value['redirect_uri'],$value['authurl'],$value['getFields'])
		}
	}
	protected function init($client_id,$client_secret,$redirect_uri,$authurl = "/", $getFields = "uid,first_name,last_name,screen_name,sex,bdate,photo_big")
	{
		$this->client_id = $client_id;
		$this->client_secret = $client_secret;
		$this->redirect_uri = $redirect_uri;

		if(is_array($getFields))
			$this->getFields = implode(",", $getFields);
		else
			$this->getFields = $getFields;

		$this->authurl = $authurl;
	}
	public function getAuthUrl()
	{
		$params = array(
		    'client_id'     => $this->client_id,
		    'redirect_uri'  => $this->redirect_uri,
		    'response_type' => 'code'
		);
		return  $this->OAuthURL . '/authorize/?' . urldecode(http_build_query($params));

	}
	public function getUser($code)
	{
		if (isset($_GET['code'])) {
		    $params = array(
		        'client_id' => $this->client_id,
		        'client_secret' => $this->client_secret,
		        'code' => $code,
		        'redirect_uri' => $this->redirect_uri
		    );

		    $token = json_decode(file_get_contents($this->OAuthURL.'/access_token' . '?' . urldecode(http_build_query($params))), true);

		    if (isset($token['access_token'])) {
		        $params = array(
		            'uids'         => $token['user_id'],
		            'fields'       => $this->getFields,
		            'access_token' => $token['access_token']
		        );

		        $userInfo = json_decode(file_get_contents('https://api.vk.com/method/users.get' . '?' . urldecode(http_build_query($params))), true);
		        if (isset($userInfo['response'][0]['uid'])) {
		            return $userInfo['response'][0];
		        }
		    }
	}
}
?>