<?php

namespace app\api\controller;

use app\common\controller\Api;

/**
 * 手机短信接口
 */
class Test extends Api
{

    protected $noNeedLogin = '*';
    protected $noNeedRight = '*';

    //验签,2048位,265截取
    public function verifysign(){

        //解密签名开始
        $sign = $this->request->request('sign','','trim');
        if(empty($sign)){
            $this->error('缺少签名');
        }
        $sign = base64_decode($sign);

        $private_key_str = config('app_rsa.private_key');
        $private_key = "-----BEGIN RSA PRIVATE KEY-----" .PHP_EOL.
            wordwrap($private_key_str, 64, PHP_EOL, true) .
            PHP_EOL."-----END RSA PRIVATE KEY-----";

        $signgetdata = []; //被解密出来的数据
        $split_len = 256;
        $sign_split = str_split($sign, $split_len);
        foreach($sign_split as $key => $sign_val){
            $signgetdata_child = null;
            openssl_private_decrypt($sign_val, $signgetdata_child, $private_key); // 使用私钥解密数据
            $signgetdata[] = $signgetdata_child;
        }

        $signgetdata = implode('',$signgetdata);

        if (!$signgetdata) {
            $this->error('签名错误1');
        }
        dump($signgetdata);
        //解密签名结束


        //接收到的参数，组成我自己的验签体string
        $request_all = $this->request->request();
        unset($request_all['s']);
        unset($request_all['sign']);
        ksort($request_all);

        $request_str = '';
        foreach($request_all as $key => $param){
            $request_str .= $key.'='.$param.'&';
        }
        $request_str .= 'signkey=F_dC923_35270PdsIIUIUTRERYTYYU';
        dump($request_str);

        //作对比
        if($request_str != $signgetdata){
            $this->error('验签错误');
        }

        echo '验签正确';
    }

    //验签
    public function verifysign_old(){

        //解密签名
        $sign = $this->request->request('sign','','trim');
        if(empty($sign)){
            $this->error('缺少签名');
        }
        $sign = base64_decode($sign);

        $private_key_str = config('app_rsa.private_key');
        $private_key = "-----BEGIN RSA PRIVATE KEY-----" .PHP_EOL.
            wordwrap($private_key_str, 64, PHP_EOL, true) .
            PHP_EOL."-----END RSA PRIVATE KEY-----";

        $signgetdata = ''; //被解密出来的数据
        openssl_private_decrypt($sign, $signgetdata, $private_key); // 使用私钥解密数据
        if (!$signgetdata) {
            $this->error('签名错误');
        }
        //dump($signgetdata);

        //接收到的参数
        $request_all = $this->request->request();
        unset($request_all['s']);
        unset($request_all['sign']);
        ksort($request_all);
        $request_all = http_build_query($request_all);
        $request_all .= '&signkey=F_dC923_35270PdsIIUIUTRERYTYYU';
        //dump($request_all);

        //作对比
        if($request_all != $signgetdata){
            $this->error('验签错误');
        }

        //echo '验签正确';

        return true;
    }

    //加密
    public function jiami(){
        $request_all = $this->request->request();

        unset($request_all['s']);
//        dump($request_all);
        ksort($request_all);


//        dump($request_all);
        $request_all = http_build_query($request_all);
        $request_all .= '&signkey=F_dC923_35270PdsIIUIUTRERYTYYU';
//        echo '加密字符串';
//        echo $request_all;

        $public_key_str = config('app_rsa.public_key');
        echo strlen($public_key_str);exit;
        $public_key = "-----BEGIN PUBLIC KEY-----" .PHP_EOL.
            wordwrap($public_key_str, 64, PHP_EOL, true) .
            PHP_EOL."-----END PUBLIC KEY-----";


        $sign = '';
        openssl_public_encrypt($request_all,$sign,$public_key);
        $sign = base64_encode($sign);
        echo '获得签名';
        dump($sign);
    }

/**
 *
 * @return void
 */
public function test1()
{
    echo '<pre>';var_dump(1);exit;
}

}