239 lines
6.7 KiB
PHP
239 lines
6.7 KiB
PHP
<?php
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namespace QQPay;
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class BaseService
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{
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//商户号
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protected $mchId;
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//商户API密钥
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protected $apiKey;
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//应用APPID（可空）
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protected $appId;
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//应用APPKEY（可空）
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protected $appKey;
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//商户证书路径
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protected $sslCertPath;
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//商户证书私钥路径
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protected $sslKeyPath;
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//操作员ID
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protected $opUserId;
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//操作员密码
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protected $opUserPwd;
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//公共请求参数
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protected $publicParams = [];
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/**
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* @param $config 微信支付配置信息
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*/
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public function __construct($config)
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{
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if (empty($config['mchid'])) {
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throw new \InvalidArgumentException("商户号不能为空");
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}
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if (empty($config['apikey'])) {
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throw new \InvalidArgumentException("商户API密钥不能为空");
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}
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$this->mchId = $config['mchid'];
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$this->apiKey = $config['apikey'];
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if (isset($config['appid'])) {
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$this->appId = $config['appid'];
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}
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if (isset($config['appkey'])) {
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$this->appKey = $config['appkey'];
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}
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$this->sslCertPath = $config['sslcert_path'];
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$this->sslKeyPath = $config['sslkey_path'];
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if (isset($config['op_userid'])) {
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$this->opUserId = $config['op_userid'];
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}
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if (isset($config['op_userpwd'])) {
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$this->opUserPwd = $config['op_userpwd'];
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}
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}
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/**
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* 请求接口并解析返回数据
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* @param $url url
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* @param $params 请求参数
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* @param $cert 是否需要证书
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* @return mixed
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*/
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public function execute($url, $params, $cert = false)
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{
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$params = array_merge($this->publicParams, $params);
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$params['sign'] = $this->makeSign($params);
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$xml = $this->array2Xml($params);
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$response = $this->curl($url, $xml, $cert);
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$result = $this->xml2array($response);
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if (isset($result['return_code']) && $result['return_code'] == 'SUCCESS') {
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if (isset($result['result_code']) && $result['result_code'] == 'SUCCESS') {
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if (isset($result['sign']) && !$this->checkSign($result)) {
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throw new \Exception('返回数据验签失败');
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}
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return $result;
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}
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}
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throw new QQPayException($result);
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}
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/**
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* 下载账单接口
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* @param $url url
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* @param $params 请求参数
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* @param $cert 是否需要证书
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* @return mixed
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*/
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public function download($url, $params)
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{
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$params = array_merge($this->publicParams, $params);
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$params['sign'] = $this->makeSign($params);
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$xml = $this->array2Xml($params);
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$response = $this->curl($url, $xml);
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return $response;
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}
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/**
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* 验签
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* @param $data
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* @return bool
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*/
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protected function checkSign($data)
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{
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if (!isset($data['sign'])) return false;
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$sign = $this->makeSign($data);
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return $sign === $data['sign'];
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}
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/**
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* 生成签名
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* @param $data
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* @return string
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*/
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protected function makeSign($data)
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{
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ksort($data);
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$signStr = '';
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foreach ($data as $k => $v) {
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if($k != 'sign' && !is_array($v) && !$this->isEmpty($v)){
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$signStr .= $k . '=' . $v . '&';
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}
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}
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$signStr = trim($signStr, '&') . '&key=' . $this->apiKey;
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$sign = md5($signStr);
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return strtoupper($sign);
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}
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/**
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* 校验某字符串或可被转换为字符串的数据，是否为 NULL 或均为空白字符.
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*
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* @param string|null $value
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*
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* @return bool
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*/
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protected function isEmpty($value)
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{
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return $value === null || $value === '';
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}
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/**
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* 产生随机字符串，不长于32位
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* @param int $length
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* @return 产生的随机字符串
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*/
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protected function getNonceStr($length = 32)
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{
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$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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/**
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* 转为XML数据
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* @param array $data 源数据
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* @return string
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*/
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protected function array2Xml($data)
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{
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if (!is_array($data)) {
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return false;
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}
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$xml = '<xml>';
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foreach ($data as $key => $val) {
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$xml .= (is_numeric($val) ? "<{$key}>{$val}</{$key}>" : "<{$key}><![CDATA[{$val}]]></{$key}>");
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}
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return $xml . '</xml>';
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}
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/**
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* 解析XML数据
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* @param string $xml 源数据
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* @return mixed
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*/
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protected function xml2array($xml)
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{
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if (!$xml) {
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return false;
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}
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LIBXML_VERSION < 20900 && libxml_disable_entity_loader(true);
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return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA), JSON_UNESCAPED_UNICODE), true);
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}
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/**
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* 以post方式提交xml到对应的接口url
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* @param string $url url
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* @param string $xml 需要post的xml数据
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* @param bool $useCert 是否需要证书
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* @param int $second url执行超时时间
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* @return string
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*/
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protected function curl($url, $xml, $useCert = false, $second = 10)
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{
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$ch = curl_init();
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$curlVersion = curl_version();
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$ua = "QQPaySDK/1.0 (" . PHP_OS . ") PHP/" . PHP_VERSION . " CURL/" . $curlVersion['version'] . " ". $this->mchId;
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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curl_setopt($ch, CURLOPT_USERAGENT, $ua);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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if ($useCert) {
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if (!file_exists($this->sslCertPath) || !file_exists($this->sslKeyPath)) {
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throw new \Exception('商户证书文件不存在');
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}
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//使用证书：cert 与 key 分别属于两个.pem文件
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curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLCERT, $this->sslCertPath);
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curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLKEY, $this->sslKeyPath);
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}
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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$data = curl_exec($ch);
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if (curl_errno($ch) > 0) {
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$errmsg = curl_error($ch);
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curl_close($ch);
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throw new \Exception($errmsg, 0);
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}
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curl_close($ch);
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return $data;
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}
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}
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