<?php

namespace app\api\controller;

use think\facade\Request;

/**
 * 后台控制器基类
 * 接口方法权限 必传参数 接口返回 错误抛出 通用参数处理
 */
class ZskkDefaultApiController extends ZskkDefaultController {

    protected $needToken = false;
    protected $logName = "ZskkDefaultApiController";

    protected function afterSetRequest() {
        $this->setParams(Request::param(false));
    }
    function curlPost($url, $data) {
        //初使化init方法
        $ch = curl_init();
        //指定URL
        curl_setopt($ch, CURLOPT_URL, $url);
        //设定请求后返回结果
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        //声明使用POST方式来进行发送
        curl_setopt($ch, CURLOPT_POST, 1);
        //发送什么数据呢
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        //忽略证书
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        //忽略header头信息
        curl_setopt($ch, CURLOPT_HEADER, 0);
        //设置超时时间
        // curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        //发送请求
        $output = curl_exec($ch);
        //关闭curl
        curl_close($ch);

        //返回数据
        return $output;
    }

    public function getDecryptData($data)
    {
        $key = 'zLxapoeqWYpoeqWY';
        $info = $this->decrypt($key,$data);
        if(empty($info))
        {
            return '数据解析失败';
        }else{
            $arr = json_decode(base64_decode($info),true);
            if(empty($arr))
            {
                return '数据解析失败，失败原因：数据加密前未进行base64转换';
            }
            return $arr;
        }
    }

    public static function encrypt($key, $str)
    {
        if($str) {
            $iv = str_repeat("\0", openssl_cipher_iv_length('SM4-CBC'));
            $ciphertext = openssl_encrypt($str, 'SM4-CBC', $key, OPENSSL_RAW_DATA, $iv);
            return base64_encode($ciphertext);
        }
        return $str;

    }

    /*
     * 国密4解密
     * str 解密字符串
     */
    public static function decrypt($key, $str)
    {
        if($str) {
            $iv = str_repeat("\0", openssl_cipher_iv_length('SM4-CBC'));
            return openssl_decrypt(base64_decode($str), 'SM4-CBC', $key, OPENSSL_RAW_DATA, $iv);
        }
        return $str;
    }
}