<?php
    header('Access-Control-Allow-Origin:*');
    header('Content-type:application/json; charset=utf-8');
    error_reporting(0);
    date_default_timezone_set("PRC");
    !empty($_GET['type']) ? $type = $_GET['type'] : error("请求参数错误，请刷新重试！~~");
    switch ($type)
    {
        case 'Getqrcode':
            echo json_encode(getqrcode());
            break;
        case 'Getresult':
            !empty($_GET['qrsig']) ? $qrsig=$_GET['qrsig'] : error("请求参数错误，缺少qrsig~~");
            echo json_encode(getresult($qrsig),JSON_UNESCAPED_UNICODE);
            break;
        default:
            echo json_encode(getqrcode());
    }
    /**
     * 获取二维码
     */
    function getqrcode() {
        $qrcode = array();
        $api = 'https://ssl.ptlogin2.qq.com/ptqrshow?appid=549000912&e=2&l=M&s=3&d=72&v=7&t=0.1415855' . time();
        $paras['header'] = 1;
        $ret = get_curl($api, $paras);
        preg_match('/qrsig=(.*?);/', $ret, $matches);
        preg_match_all('/ (\d){3}/', $ret, $Conlen);
        $arr = explode('com;', $ret);
        $qrcode['qrsig'] = $matches[1];
        $qrcode['data'] = base64_encode(trim($arr['1']));
        return $qrcode;
    }

    /**
     * @param $qrsig
     * @return array
     * 获取登录状态
     */
    function getresult($qrsig) {
        $ret = array();
        $api = 'https://ssl.ptlogin2.qq.com/ptqrlogin?u1=' . urlencode('https://qzs.qzone.qq.com/') . '&ptqrtoken=' . getqrtoken($qrsig) . '&ptredirect=0&h=1&t=1&g=1&from_ui=1&ptlang=2052&action=0-1-' . time() . '&js_ver=90220&js_type=1&login_sig=&pt_uistyle=40&aid=549000912&daid=5&has_onekey=1';
        $paras['cookie'] = 'qrsig=' . $qrsig . ';';
        $body = get_curl($api, $paras);
        if (preg_match("/ptuiCB\('(.*?)'\)/", $body, $arr)) {
            $r = explode("','", str_replace("', '", "','", $arr[1]));
            if ($r[0] == 0) {
                preg_match('/uin=(\d+)&/', $body, $uin);
                $ret['code'] = 1;
                $ret['data']['uin'] = $uin[1];
                $ret['msg'] = 'QQ登录成功';
            } elseif ($r[0] == 65) {
                $ret['msg'] = '登录二维码已失效，请刷新重试！';
            } elseif ($r[0] == 66) {
                $ret['msg'] = '请使用手机QQ扫码登录';
            } elseif ($r[0] == 67) {
                $ret['msg'] = '正在验证二维码...';
            } else {
                $ret['msg'] = '未知错误001，请刷新重试！';
            }
        } else {
            $ret['msg'] = '未知错误002，请刷新重试！';
        }
        return $ret;
    }


    function get_curl($url, $paras = array()) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $httpheader[] = "Accept:*/*";
        $httpheader[] = "Accept-Encoding:gzip,deflate,sdch";
        $httpheader[] = "Accept-Language:zh-CN,zh;q=0.8";
        $httpheader[] = "Connection:close";
        curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheader);
        if ($paras['ctime']) { // 连接超时
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $paras['ctime']);
        }
        if ($paras['rtime']) { // 读取超时
            curl_setopt($ch, CURLOPT_TIMEOUT_MS, $paras['rtime']);
        }
        if ($paras['post']) {
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $paras['post']);
        }
        if ($paras['header']) {
            curl_setopt($ch, CURLOPT_HEADER, true);
        }
        if ($paras['cookie']) {
            curl_setopt($ch, CURLOPT_COOKIE, $paras['cookie']);
        }
        if ($paras['refer']) {
            if ($paras['refer'] == 1) {
                curl_setopt($ch, CURLOPT_REFERER, 'http://m.qzone.com/infocenter?g_f=');
            } else {
                curl_setopt($ch, CURLOPT_REFERER, $paras['refer']);
            }
        }
        if ($paras['ua']) {
            curl_setopt($ch, CURLOPT_USERAGENT, $paras['ua']);
        } else {
            curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36");
        }
        if ($paras['nobody']) {
            curl_setopt($ch, CURLOPT_NOBODY, 1);
        }
        curl_setopt($ch, CURLOPT_ENCODING, "gzip");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $ret = curl_exec($ch);
        curl_close($ch);
        return $ret;
    }


    /** QQ空间Token算法*/
    function getqrtoken($qrsig) {
        $len = strlen($qrsig);
        $hash = 0;
        for ($i = 0; $i < $len; $i++) {
            $hash += (($hash << 5) & 2147483647) + ord($qrsig[$i]) & 2147483647;
            $hash &= 2147483647;
        }
        return $hash & 2147483647;
    }

    function error($str){
        exit(json_encode([
            "code"=>-1,
            "msg"=>$str
        ],JSON_UNESCAPED_UNICODE));
    }

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