<?php
namespace App\Http\Controllers;

class IdcardImageUpload
{
 public function checkApi()
 {
 // 定义公共参数
 $data = [
 'appId' => 'openapitest',
 'identity'=>'141024197503201571',
 'identityType'=>0,
 'nonce'=>$this->createNoncestr(),
 'name'=>'姓名',
 ];

 // 获取需要上传的正反面图片,用绝对路径
 $frontfile = 'fm1.jpeg';
 $backfile = 'fm6.jpeg';

 /* 开始签名 */
 $sign_data = $data; // 定义签名参数
 $bodys['frontfile'] = file_get_contents($frontfile); // 获取身份证正面图片的byte []
 $bodys['backfile'] = file_get_contents($backfile); // 获取身份证反面图片的byte []
 $sign_data['frontfile'] = md5($bodys['frontfile']); // 设置验签参数frontfile的值为md5(byte [])
 $sign_data['backfile'] = md5($bodys['backfile']); // 设置验签参数backfile的值为md5(byte [])
 $sign = $this->rsaSign($sign_data); // 签名并获取签名参数sign的值
 /* 完成签名 */

 $post_data = $data; // 定义post数据
 $minetype = 'image/jpeg';
 $post_data['frontfile'] = curl_file_create( realpath($frontfile), $minetype); // 设置post数据中的frontfile参数
 $post_data['backfile'] = curl_file_create( realpath($backfile), $minetype); // 设置post数据中的backfile参数
 $post_data['sign'] = $sign; // 设置post数据中的sign参数
 $url = 'https://openapitest.aiyuangong.com/econtract/extr/identity/upload'; // post请求url
 $header = ['content-type:multipart/form-data']; // post请求ContentType
 $res_data = $this->post($url, $post_data, $header); // 发起请求

 }

 public function rsaSign($data) {

 ksort($data);

 $query = http_build_query($data);
 $query = urldecode($query);

 $private_key = '私钥';
 $res = "-----BEGIN RSA PRIVATE KEY-----\n" .
 wordwrap($private_key, 64, "\n", true) .
 "\n-----END RSA PRIVATE KEY-----";

 openssl_sign($query, $sign, $res,OPENSSL_ALGO_SHA256);
 //base64编码
 $sign = base64_encode($sign);
 return $sign;
 }

 protected function post($path, $params = [], $headers)
 {

 $curl = curl_init();
 curl_setopt($curl, CURLOPT_URL, $path);
 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
 curl_setopt($curl, CURLOPT_HEADER, 0);
 curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
 curl_setopt($curl, CURLOPT_POST, 1);
 curl_setopt($curl, CURLOPT_POSTFIELDS, $params);

 //CURL_SSLVERSION_TLSv1
 curl_setopt($curl, CURLOPT_SSLVERSION, 1);
 $res = curl_exec($curl);
 $errorno = curl_errno($curl);
 if ($errorno) {
 $errmsg = curl_error($curl);
 curl_close($curl);

 return compact('errorno', 'errmsg');
 }
 curl_close($curl);

 return json_decode($res, true);
 }

 /**
 * 	作用:产生随机字符串,不长于32位
 */
 public function createNoncestr( $length = 32 )
 {
 $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
 $str ="";
 for ( $i = 0; $i < $length; $i++ ) {
 $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);
 }
 return $str;
 }
}