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<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Wxpay_call
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{
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protected $ci;
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private $api_info_arr = array();
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public function __construct()
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{
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$this->ci =& get_instance();
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$this->ci->load->helper('payment');
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$this->ci->config->load('wxpay', true);
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// $this->ci->load->model('WxpayQueryContentBuilder', 'query_builder');
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}
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private function init_api()
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{
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$this->wx_site_config = $this->ci->config->item($GLOBALS['__WX_SITE_NAME__'], 'wxpay');
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$this->api_info_arr['appid'] = $this->wx_site_config['app_id'];
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$this->api_info_arr['mch_id'] = $this->wx_site_config['mch_id'];
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$this->api_info_arr['key'] = $this->wx_site_config['key'];
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$this->api_info_arr['app_secret'] = $this->wx_site_config['app_secret'];
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}
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/**
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* 下载对账单，WxPayDownloadBill中bill_date为必填参数
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* appid、mchid、spbill_create_ip、nonce_str不需要填入
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* @param WxPayDownloadBill $inputObj
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* @param int $timeOut
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* @throws WxPayException
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* @return 成功时返回，其他抛异常
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*/
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public function get_bill_data($query_content)
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{
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$ret = array('status'=>false, 'data'=>array());
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$this->init_api();
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// return false;
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$url = "https://api.mch.weixin.qq.com/pay/downloadbill";
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$query_content_input = $query_content->getBizContent(true);
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//检测必填参数
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if(!$query_content_input['bill_date']) {
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throw new WxPayException("对账单接口中，缺少必填参数bill_date！");
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}
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$this->api_info_arr['nonce_str'] = ($this->get_nonce_str());//随机字符串
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$this->api_info_arr['sign'] = $this->make_sign(array_merge($this->api_info_arr, $query_content_input));//签名
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$xml = to_xml(array_merge($this->api_info_arr, $query_content_input));
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$response = $this->post_xml_curl($this->api_info_arr, $xml, $url, 20);
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if(substr($response, 0 , 5) == "<xml>"){
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log_message('error',"Wxpay bill error \r\n" . var_export($response, 1));
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return $ret;
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}
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$ret['status'] = true;
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$response_arr = explode("\n",$response);
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$data_title = $this->bill_data_title();
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for ($i=1; $i < count($response_arr)-1; $i++) {
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if (empty($response_arr[$i])) {
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continue;
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}
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$row = explode(",", $response_arr[$i]);
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$row_arr = array();
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foreach ($data_title as $key => $title) {
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if ( ! isset($row[$key])) {
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continue;
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}
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$row_arr[$title] = str_replace("`","",trim($row[$key]));
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}
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!empty($row_arr['trade_type']) ? $ret['data'][] = $row_arr : false;
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}
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return $ret;
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}
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/*!
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* @Author: LYT
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* @Date: 2019-06-18 15:23:15
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* @Desc: 账单数据的格式
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* 交易时间,公众账号ID,商户号,特约商户号,设备号,微信订单号,商户订单号,用户标识,交易类型,交易状态,付款银行,货币种类,应结订单金额,代金券金额,微信退款单号,商户退款单号,退款金额,充值券退款金额,退款类型,退款状态,商品名称,商户数据包,手续费,费率,订单金额,申请退款金额,费率备注
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*/
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private function bill_data_title()
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{
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return array(
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"complete_time", // 交易时间
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"app_id", // 公众账号ID
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"mch_id", // 商户号
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"special_mch_id", // 特约商户号
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"device_info", // 设备号
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"transaction_id", // 微信订单号
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"out_trade_no", // 商户订单号
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"openid", // 用户标识
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"trade_type", // 交易类型
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"trade_state", // 交易状态
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"bank_type", // 付款银行
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"currency_type", // 货币种类
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"settlement_total_fee", // 应结订单金额
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"coupon_fee", // 代金券金额
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"refund_id", // 微信退款单号
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"out_refund_id",// 商户退款单号
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"settlement_refund_fee", // 退款金额
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"refund_coupon_fee", // 充值券退款金额
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"refund_type", // 退款类型
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"refund_status", // 退款状态
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"item_name", // 商品名称
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"attach", // 商户数据包
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"wxpay_fee", // 手续费
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"rate", // 费率
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"total_fee", // 订单金额
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"call_refund_fee", // 申请退款金额
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"rate_memo" // 费率备注
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);
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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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*
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* @param WxPayConfigInterface $config 配置对象
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* @param string $xml 需要post的xml数据
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* @param string $url url
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* @param bool $useCert 是否需要证书，默认不需要
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* @param int $second url执行超时时间，默认30s
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* @throws WxPayException
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*/
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private function post_xml_curl($config, $xml, $url, $second = 30)
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{
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$ch = curl_init();
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$curlVersion = curl_version();
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$ua = "WXPaySDK/3.0.9 (".PHP_OS.") PHP/".PHP_VERSION." CURL/".$curlVersion['version']." "
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.$config['mch_id'];
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//设置超时
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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,TRUE);
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// curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验
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if(stripos($url,"https://")!==FALSE){
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curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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} else {
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curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE);
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curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验
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}
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curl_setopt($ch,CURLOPT_USERAGENT, $ua);
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//设置header
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curl_setopt($ch, CURLOPT_HEADER, FALSE);
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//要求结果为字符串且输出到屏幕上
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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//运行curl
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$data = curl_exec($ch);
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//返回结果
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if($data){
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curl_close($ch);
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return $data;
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} else {
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$error = curl_errno($ch);
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log_message('error',"curl出错，错误码:$error " . curl_error($ch));
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curl_close($ch);
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}
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}
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public function check_sign($xml_arr)
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{
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if ( ! array_key_exists('sign', $xml_arr)) {
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log_message('error','Wxpay notify error: no sign.');
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return false;
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}
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if ($this->make_sign($xml_arr) !== $xml_arr['sign']) {
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log_message('error','Wxpay notify error: sign.' . $this->make_sign($xml_arr));
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return false;
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}
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if ($this->wx_site_config['app_id'] !== $xml_arr['appid']) {
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log_message('error','Wxpay notify error: appid.');
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return false;
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}
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if ($this->wx_site_config['mch_id'] !== $xml_arr['mch_id']) {
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log_message('error','Wxpay notify error: mch_id.');
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return false;
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}
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return true;
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}
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public function make_sign($xml_arr, $needSignType = false)
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{
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//签名步骤一：按字典序排序参数
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ksort($xml_arr);
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$string = $this->to_url_params($xml_arr);
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//签名步骤二：在string后加入KEY
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$string = $string . "&key=" . $this->wx_site_config['key'];
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//签名步骤三：MD5加密或者HMAC-SHA256
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if(!isset($xml_arr['sign']) || strlen($xml_arr['sign']) <= 32){
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//如果签名小于等于32个,则使用md5验证
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$string = md5($string);
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} else {
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//是用sha256校验
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$string = hash_hmac("sha256", $string , $this->wx_site_config['key']);
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}
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//签名步骤四：所有字符转为大写
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$result = strtoupper($string);
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return $result;
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}
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/**
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* 格式化参数格式化成url参数
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*/
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public function to_url_params($xml_arr)
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{
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$buff = "";
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foreach ($xml_arr as $k => $v)
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{
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if($k != "sign" && $v != "" && !is_array($v)){
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$buff .= $k . "=" . $v . "&";
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}
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}
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$buff = trim($buff, "&");
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return $buff;
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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 $length
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* @return 产生的随机字符串
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*/
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public static function get_nonce_str($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 $str;
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}
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protected function curl($url, $postFields = null) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_FAILONERROR, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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$postBodyString = "";
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if (is_array($postFields) && 0 < count($postFields)) {
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foreach ($postFields as $k => $v) {
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if ("@" != substr($v, 0, 1)) //判断是不是文件上传
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{
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$postBodyString .= "$k=" . urlencode($this->characet($v, "UTF-8")) . "&";
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}
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}
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unset($k, $v);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString, 0, -1));
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}
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$headers = array('content-type: application/x-www-form-urlencoded;charset=UTF-8');
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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$reponse = curl_exec($ch);
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if (curl_errno($ch)) {
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log_message('error', " iPayLinks curl error code: ".curl_error($ch)."; curl postBodyString: ".substr($postBodyString, 0, -1));
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} else {
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$httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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if (200 !== $httpStatusCode) {
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log_message('error', " iPayLinks Request html Status Code: ".$httpStatusCode."; curl postBodyString: ".substr($postBodyString, 0, -1));
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}
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}
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curl_close($ch);
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return $reponse;
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}
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}
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/* End of file Wxpay_call.php */
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