<?php

namespace app\components\OpenAuth\core;
use app\common\helpers\Session;
use Yii;
class WX extends WXOAuth {
    function __construct() {
        parent::__construct();
    }
    function verify() {
        if (isset($_SESSION['wx_token']) && $_SESSION['wx_token'] && isset($_SESSION['wx_token']['uid'])) {
            return true;
        } else {
            return false;
        }
    }
}

class WXOAuth {

    public $appid;
    public $appsecret;
    public $access_token;
    public $refresh_token;
    public $timeout = 30;
    public $connecttimeout = 30;
    public $ssl_verifypeer = FALSE;
    public $format = 'json';
    public $decode_json = TRUE;
    public $useragent = 'WX OAuth2.0';
    public $debug = FALSE;
    public static $boundary = '';

    function __construct() {
        $this->appid = WX_APPID;
        $this->appsecret = WX_APPSECRET;

    }

    function codeUrl($redirectUrl,$state){
        return 'https://open.weixin.qq.com/connect/qrconnect?appid='.$this->appid.'&redirect_uri='.urlencode($redirectUrl).'&response_type=code&scope=snsapi_login&state='.$state.'#'.time();
    }


    function accessTokenUrl($code) {

        return 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$this->appid.'&secret='.$this->appsecret.'&code='.$code.'&grant_type=authorization_code';

    }

    function getAccessToken($code, $keys = array()) {

        $response = $this->https_request($this->accessTokenUrl($code));
        $token = json_decode($response,true);
        if (is_array($token)) {
            $this->access_token = $token['access_token'];
            $this->refresh_token = isset($token['refresh_token']) ? $token['refresh_token'] : '';
        } else {
            throw new \Exception("读取access_token错误:{$token['error']}");
        }
        return $token;

    }


    //Curl
    function https_request($url,$options = null,$data = null,$header = null){
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)){
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        (isset($options['header'])&&$options['header'])?curl_setopt($curl, CURLOPT_HEADER, 1): curl_setopt($curl, CURLOPT_HEADER, 0);//如果有响应头
        if(!empty($header))//如果有请求头
        {
            $curl_header = array();
            foreach($header as $key=>$value)
            {
                $curl_header[] = "$key:$value,";
            }
            curl_setopt($curl,CURLOPT_HTTPHEADER, $curl_header);
        }
        if(isset($options['gzip'])&&$options['gzip']==1) curl_setopt($curl, CURLOPT_ENCODING, "gzip"); //如果页面开启了GZIP压缩
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0');
        if(!empty($options['time_out']))
        {
            curl_setopt($curl, CURLOPT_TIMEOUT, $options['time_out']);
        }
        else
        {
            curl_setopt($curl, CURLOPT_TIMEOUT, 15);
        }
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
    }

}