<?php

//https协议是否需要验证证书
define('SSL_VERIFYPEER', true);

$key = '您申请的key,在会员中心->我的数据->对应数据的下方'; //请确认您的key为新版本的key,新版本key为32位;旧版本16位;
$url="https://v.1dq.com/api/a156";
$param["appid"]="您的appid,在会员中心->安全设置->对应数据->appid";
$param['base64string'] = '';

$calldata = APIStore::curl($url,$param,$key);

var_dump($calldata);



/**
 * APIStore
 * Class APIStore
 */
class APIStore
{


    /**
     * 获取远程内容
     * @param $url
     * @param null $param
     * @param $key
     * @return mixed
     */
    static public function curl($url, $param, $key)
    {

        //aes
        $aes = new Aes($key);
        $sign = $aes->encrypt(json_encode($param, JSON_UNESCAPED_UNICODE));
        //重新组建数组
        $params['appid'] = $param['appid'];
        $params['sign'] = $sign;

        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);

        //如果是https协议
        if (stripos($url, "https://") !== FALSE) {
            /**
             * 如果需要验证证书
             */
            if (SSL_VERIFYPEER) {
                //验证交换证书
                curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
                //检查SSL证书公用名是否存在，并且是否与提供的主机名匹配
                curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
                //设置实现协议为TLS1.0版本
                curl_setopt($curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
                //根证书文件路径,相对路径和绝对路径均可,
                //推荐使用绝对路径;为了安全证书文件最好不要和应用代码放在一起;
                //用户请保持更新 使用https接口需要设置该证书文件为可信任根证书，
                //以最大限度满足安全性（使用信任任何证书的方式并不安全）。
                curl_setopt($curl, CURLOPT_CAINFO, dirname(__FILE__) . '/cacert.pem');
            } /**
             * 如果不需要验证证书
             */
            else {
                curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
                curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
                //CURL_SSLVERSION_TLSv1
                curl_setopt($curl, CURLOPT_SSLVERSION, 1);
            }
        }

        //USERAGENT
        curl_setopt($curl, CURLOPT_USERAGENT, 'APIStore');
        //超时时间
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 120);
        curl_setopt($curl, CURLOPT_TIMEOUT, 120);
        //通过POST方式提交
        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        //返回内容
        $callbcak = curl_exec($curl);

        //关闭
        curl_close($curl);
        //解密
        $callbcakdata = $aes->decrypt($callbcak);
        //返回内容
        return json_decode($callbcakdata ? $callbcakdata : $callbcak, true);
    }

}

/**
 * Class Aes128
 */
class Aes
{
    //密钥
    private $appkey;

    public function __construct($key)
    {
        $this->appkey = $key;
    }

    /**
     * 加密方法
     * @param string $str
     * @return string
     */
    public function encrypt($str)
    {
        //AES, 128 ECB模式加密数据
        //$screct_key = $this->appkey;
        $screct_key = hex2bin($this->appkey);
        $str = trim($str);
        $str = $this->addPKCS7Padding($str);
        $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_RAND);
        $encrypt_str = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_CBC, '0000000000000000');
        return base64_encode($encrypt_str);
    }

    /**
     * 解密方法
     * @param string $str
     * @return string
     */
    public function decrypt($str)
    {
        //AES, 128 ECB模式加密数据
        $screct_key = hex2bin($this->appkey);
        $str = base64_decode($str);
        //$screct_key = base64_decode($screct_key);
        $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC), MCRYPT_RAND);
        $encrypt_str = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $screct_key, $str, MCRYPT_MODE_CBC, '0000000000000000');
        $encrypt_str = $this->stripPKSC7Padding($encrypt_str);
        return $encrypt_str;
    }

    /**
     * 填充算法
     * @param string $source
     * @return string
     */
    function addPKCS7Padding($source)
    {
        $source = trim($source);
        $block = mcrypt_get_block_size('rijndael-128', 'cbc');
        $pad = $block - (strlen($source) % $block);
        if ($pad <= $block) {
            $char = chr($pad);
            $source .= str_repeat($char, $pad);
        }
        return $source;
    }

    /**
     * 移去填充算法
     * @param string $source
     * @return string
     */
    function stripPKSC7Padding($source)
    {
        $char = substr($source, -1);
        $num = ord($char);
        $source = substr($source, 0, -$num);
        return $source;
    }
}