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<?php
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// +----------------------------------------------------------------------
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// | OneThink [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2014 http://www.topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Author: 云无心 <tzzhangyajun@vip.qq.com>
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// +----------------------------------------------------------------------
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namespace Think\Pay\Driver;
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use Think\Pay\Pay;
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use Think\Pay\PayVo;
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class Aliwappay extends Pay {
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protected $gateway = 'http://wappaygw.alipay.com/service/rest.htm?';
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protected $verify_url = 'http://notify.alipay.com/trade/notify_query.do';
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protected $config = array(
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'email' => '',
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'key' => '',
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'partner' => ''
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);
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public function check() {
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if (!$this->config['email'] || !$this->config['key'] || !$this->config['partner']) {
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E("支付宝设置有误！");
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}
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return true;
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}
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public function buildRequestForm(PayVo $vo) {
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$req_id = date('Ymdhis');
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//请求业务参数详细
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$req_data = '<direct_trade_create_req>'
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. '<notify_url>' . $this->config['notify_url'] . '</notify_url>'
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. '<call_back_url>' . $this->config['return_url'] . '</call_back_url>'
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. '<seller_account_name>' . $this->config['email'] . '</seller_account_name>'
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. '<out_trade_no>' . $vo->getOrderNo() . '</out_trade_no>'
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. '<subject>' . $vo->getTitle() . '</subject>'
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. '<total_fee>' . $vo->getFee() . '</total_fee>'
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. '<merchant_url></merchant_url>'
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. '</direct_trade_create_req>';
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$param = array(
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"service" => "alipay.wap.trade.create.direct",
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"partner" => $this->config['partner'],
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"sec_id" => "MD5",
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"format" => "xml",
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"v" => "2.0",
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"req_id" => $req_id,
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"req_data" => $req_data,
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"_input_charset" => 'utf-8'
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);
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$param['sign'] = $this->createSign($param);
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$return_html = $this->fsockOpen($this->gateway, "", $param);
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$return_data = $this->parseResponse(urldecode($return_html));
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if (isset($return_data['res_error'])) {
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$doc = new \DOMDocument();
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$doc->loadXML($return_data['res_error']);
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E('[(' . $doc->getElementsByTagName('code')->item(0)->nodeValue . ')' . $doc->getElementsByTagName('msg')->item(0)->nodeValue . ']' . $doc->getElementsByTagName('detail')->item(0)->nodeValue);
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}
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//获取request_token
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$request_token = $return_data['request_token'];
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//业务详细
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$req_data = '<auth_and_execute_req><request_token>' . $request_token . '</request_token></auth_and_execute_req>';
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//构造要请求的参数数组
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$param = array(
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"service" => "alipay.wap.auth.authAndExecute",
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"partner" => $this->config['partner'],
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"sec_id" => "MD5",
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"format" => "xml",
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"v" => "2.0",
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"req_id" => $req_id,
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"req_data" => $req_data,
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"_input_charset" => 'utf-8'
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);
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$param['sign'] = $this->createSign($param);
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$sHtml = $this->_buildForm($param, $this->gateway, 'get');
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return $sHtml;
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}
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/**
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* 创建MD5签名
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* @param array $para
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* @return string
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*/
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protected function createSign($para) {
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ksort($para);
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reset($para);
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$arg = "";
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while (list ($key, $val) = each($para)) {
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if ($key == "sign" || $key == "sign_type" || $val == "")
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continue;
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$arg.=$key . "=" . $val . "&";
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}
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//去掉最后一个&字符
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$arg = substr($arg, 0, -1);
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return md5($arg . $this->config['key']);
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}
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/**
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* 解析远程模拟提交后返回的信息
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* @param $str_text 要解析的字符串
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* @return 解析结果
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*/
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protected function parseResponse($str_text) {
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//以“&”字符切割字符串
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$para_split = explode('&', $str_text);
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//把切割后的字符串数组变成变量与数值组合的数组
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foreach ($para_split as $item) {
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//获得第一个=字符的位置
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$nPos = strpos($item, '=');
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//获得字符串长度
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$nLen = strlen($item);
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//获得变量名
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$key = substr($item, 0, $nPos);
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//获得数值
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$value = substr($item, $nPos + 1, $nLen - $nPos - 1);
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//放入数组中
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$para_text[$key] = $value;
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}
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if (!empty($para_text['res_data'])) {
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//token从res_data中解析出来（也就是说res_data中已经包含token的内容）
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$doc = new \DOMDocument();
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$doc->loadXML($para_text['res_data']);
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$para_text['request_token'] = $doc->getElementsByTagName("request_token")->item(0)->nodeValue;
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}
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return $para_text;
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}
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/**
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* 获取返回时的签名验证结果
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* @param $para_temp 通知返回来的参数数组
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* @param $sign 返回的签名结果
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* @return 签名验证结果
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*/
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protected function getSignVeryfy($param, $sign, $isSort) {
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//除去待签名参数数组中的空值和签名参数
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$param_filter = array();
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while (list ($key, $val) = each($param)) {
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if ($key == "sign" || $key == "sign_type" || $val == "") {
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continue;
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} else {
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$param_filter[$key] = $param[$key];
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}
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}
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if ($isSort) {
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ksort($param_filter);
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reset($param_filter);
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} else {
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$para_sort = array();
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$para_sort['service'] = $param_filter['service'];
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$para_sort['v'] = $param_filter['v'];
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$para_sort['sec_id'] = $param_filter['sec_id'];
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$para_sort['notify_data'] = $param_filter['notify_data'];
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$param_filter = $para_sort;
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}
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//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
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$prestr = "";
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while (list ($key, $val) = each($param_filter)) {
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$prestr.=$key . "=" . $val . "&";
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}
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//去掉最后一个&字符
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$prestr = substr($prestr, 0, -1);
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$prestr = $prestr . $this->config['key'];
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$mysgin = md5($prestr);
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if ($mysgin == $sign) {
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return true;
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} else {
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return false;
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}
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}
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public function verifyNotify($notify) {
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//生成签名结果
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if (IS_GET) {
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$isSign = $this->getSignVeryfy($notify, $notify["sign"], true);
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$responseTxt = 'true';
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} elseif (IS_POST) {
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$isSign = $this->getSignVeryfy($notify, $notify["sign"], false);
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//获取支付宝远程服务器ATN结果（验证是否是支付宝发来的消息）
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$doc = new \DOMDocument();
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$doc->loadXML($notify['notify_data']);
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$notify_id = $doc->getElementsByTagName("notify_id")->item(0)->nodeValue;
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$responseTxt = $this->getResponse($notify_id);
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}
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if (preg_match("/true$/i", $responseTxt) && $isSign) {
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$info = array();
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if (IS_POST) {
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//支付状态
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$trade_status = $doc->getElementsByTagName("trade_status")->item(0)->nodeValue;
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$info['status'] = ($trade_status == 'TRADE_FINISHED' || $trade_status == 'TRADE_SUCCESS') ? true : false;
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$info['out_trade_no'] = $doc->getElementsByTagName("out_trade_no")->item(0)->nodeValue;
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} elseif (IS_GET) {
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//支付状态
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$info['status'] = ($notify['result'] == 'success' ) ? true : false;
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$info['out_trade_no'] = $notify['out_trade_no'];
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}
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$this->info = $info;
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return true;
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} else {
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return false;
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}
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}
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/**
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* 获取远程服务器ATN结果,验证返回URL
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* @param $notify_id 通知校验ID
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* @return 服务器ATN结果
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* 验证结果集：
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* invalid命令参数不对 出现这个错误，请检测返回处理中partner和key是否为空
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* true 返回正确信息
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* false 请检查防火墙或者是服务器阻止端口问题以及验证时间是否超过一分钟
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*/
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protected function getResponse($notify_id) {
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$partner = $this->config['partner'];
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$veryfy_url = $this->verify_url . "?partner=" . $partner . "¬ify_id=" . $notify_id;
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$responseTxt = $this->fsockOpen($veryfy_url);
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return $responseTxt;
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}
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}
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