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<?php
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namespace Think\Pay\Driver;
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class Alipay extends \Think\Pay\Pay
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{
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protected $gateway = 'https://mapi.alipay.com/gateway.do';
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protected $verify_url = 'http://notify.alipay.com/trade/notify_query.do';
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protected $config = array(
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'email' => '',
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'key' => '',
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'partner' => ''
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);
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public function check()
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{
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if (!$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(\Think\Pay\PayVo $vo)
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{
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$seller = $vo->getPayMethod() == "mobile" ? "seller_id" : "seller_email";
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if ($vo->getPayMethod() == "refund") {
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$param = array(
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'service' => $vo->getService(),//create_direct_pay_by_user
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'payment_type' => '1',
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'_input_charset' => 'utf-8',
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'partner' => $this->config['partner'],
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'notify_url' => 'http://' . $_SERVER ['HTTP_HOST'] . "/callback.php/Notify/refund_validation"
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);
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} else {
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$param = array(
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'service' => $vo->getService(),//create_direct_pay_by_user
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'payment_type' => '1',
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'_input_charset' => 'utf-8',
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$seller => $this->config['email'],//seller_email
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'partner' => $this->config['partner'],
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'notify_url' => $this->config['notify_url'],
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'return_url' => $this->config['return_url'],
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'out_trade_no' => $vo->getOrderNo(),
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'subject' => $vo->getTitle(),
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'body' => $vo->getBody(),
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'total_fee' => $vo->getFee(),
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'it_b_pay' => '30m'
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);
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}
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switch ($vo->getPayMethod()) {
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case 'direct':
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$param['seller_email'] = $this->config['email'];
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break;
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case 'mobile':
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$param['seller_id'] = $this->config['email'];
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break;
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case 'wap':
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$param['seller_id'] = $this->config['partner'];
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$param['app_pay'] = 'Y';
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$returnUrl = $vo->getCallback();
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if ($returnUrl)
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$param['return_url'] = $returnUrl;
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else
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$param['return_url']='http://' . $_SERVER ['HTTP_HOST'] . "/sdk.php/Spend/pay_success";
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$param['show_url'] = 'http://' . $_SERVER ['HTTP_HOST'] . "/sdk.php/Spend/pay_error/game_id/".$vo->getGameId();
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break;
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case 'refund':
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$param['seller_email'] = $this->config['email'];
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$param['refund_date'] = date("Y-m-d H:i:s");
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$param['batch_no'] = $vo->getBatchNo();
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$param['batch_num'] = 1;//总数量
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$param['detail_data'] = $vo->getDetailData();
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break;
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case 'trade':{
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$param['seller_id'] = $this->config['partner'];
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$param['show_url'] = 'http://' . $_SERVER ['HTTP_HOST'] . "/mobile.php/Trade/pay_error";
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};break;
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default:
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$param['seller_email'] = $this->config['email'];
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break;
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}
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$notifyUrl = $vo->getNotifyUrl();
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if ($notifyUrl)
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$param['notify_url'] = $notifyUrl;
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// pp($param);
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#对数组进行排序
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$param = $this->argSort($param);
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// $wap_type=$vo->getPayMethod()=="wap"?"alipay_wap":"";
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switch ($vo->getPayMethod()) {
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case 'refund':
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case 'wap':
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$wap_type = "alipay_wap";
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break;
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case 'trade':
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$wap_type = "alipay_wap";
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break;
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default:
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$wap_type = "";
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break;
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}
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switch ($vo->getPayMethod()) {
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case 'wap':
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case 'direct':
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case 'refund':
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case 'trade':
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case 'direct_tb':
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#把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
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$arg = $this->createLinkstring($param);
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$param['sign'] = md5($arg . $this->config['key']);
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$param['sign_type'] = 'MD5';
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$sHtml = $this->_buildForm($param, $this->gateway, 'get', 'utf-8', $wap_type);
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break;
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case 'mobile':
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#把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串 并对字符串做urlencode编码
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$arg = $this->createLinkstring($param);
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$param['sign'] = $this->sign($arg);
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$sHtml['arg'] = $arg . "&sign=" . urlencode($param['sign']) . "&sign_type=RSA";
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$sHtml['sign'] = $param['sign'];
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$sHtml['out_trade_no'] = $vo->getOrderNo();
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break;
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}
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return $sHtml;
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}
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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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* @param $para 需要拼接的数组
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* return 拼接完成以后的字符串
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*/
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protected function createLinkstring($para)
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{
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$arg = "";
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while (list ($key, $val) = each($para)) {
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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($arg, 0, count($arg) - 2);
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//如果存在转义字符，那么去掉转义
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if (get_magic_quotes_gpc()) {
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$arg = stripslashes($arg);
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}
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return $arg;
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}
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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，并对字符串做urlencode编码
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* @param $para 需要拼接的数组
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* return 拼接完成以后的字符串
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*/
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protected function createLinkstringUrlencode($para)
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{
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$arg = "";
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while (list ($key, $val) = each($para)) {
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$arg .= $key . "=" . urlencode($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, count($arg) - 2);
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//如果存在转义字符，那么去掉转义
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if (get_magic_quotes_gpc()) {
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$arg = stripslashes($arg);
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}
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return $arg;
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}
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/**
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* 除去数组中的空值和签名参数
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* @param $para 签名参数组
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* return 去掉空值与签名参数后的新签名参数组
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*/
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protected function paraFilter($para)
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{
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$para_filter = array();
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while (list ($key, $val) = each($para)) {
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if ($key == "sign" || $key == "sign_type" || $val == "") continue;
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else $para_filter[$key] = $para[$key];
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}
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return $para_filter;
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}
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/**
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* 对数组排序
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* @param $para 排序前的数组
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* return 排序后的数组
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*/
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protected function argSort($para)
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{
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ksort($para);
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reset($para);
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return $para;
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}
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//RSA签名
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public function sign($data)
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{
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//读取私钥文件
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$priKey = file_get_contents("./Application/Sdk/SecretKey/alipay/rsa_private_key.pem");//私钥文件路径
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//转换为openssl密钥，必须是没有经过pkcs8转换的私钥
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$res = openssl_get_privatekey($priKey);
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//$res = openssl_pkey_get_private($priKey);
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//调用openssl内置签名方法，生成签名$sign
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openssl_sign($data, $sign, $res);
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//释放资源
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openssl_free_key($res);
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//base64编码
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$sign = base64_encode($sign);
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return $sign;
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}
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//验签
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public function rsa_verify($data, $sign)
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{
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// 读取公钥文件
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$pubKey = file_get_contents("./Application/Sdk/SecretKey/alipay/ali_public_key.pem");//私钥文件路径
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// 转换为openssl格式密钥
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$res = openssl_get_publickey($pubKey);
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// 调用openssl内置方法验签，返回bool值
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$result = ( bool )openssl_verify($data, base64_decode($sign), $res);
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// 释放资源
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openssl_free_key($res);
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return $result;
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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, $sign)
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{
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$param_filter = array();
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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 = $this->paraFilter($param);
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#对数组排序
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$param_filter = $this->argSort($param_filter);
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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 = $this->createLinkstring($param_filter);
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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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$isSgin = false;
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switch (strtoupper(trim($param['sign_type']))) {
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case "MD5" :
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$mysgin = MD5($prestr . $this->config['key']);
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$isSgin = $mysgin == $sign ? true : false;
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break;
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case "RSA" :
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$isSgin = $this->rsa_verify($prestr, $sign);
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break;
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default :
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$isSgin = false;
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}
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return $isSgin;
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}
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/**
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* 针对notify_url验证消息是否是支付宝发出的合法消息
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* @return 验证结果
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*/
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public function verifyNotify($notify)
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{
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//生成签名结果
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$isSign = $this->getSignVeryfy($notify, $notify["sign"]);
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//获取支付宝远程服务器ATN结果（验证是否是支付宝发来的消息）
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$responseTxt = 'true';
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if (!empty($notify["notify_id"])) {
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$responseTxt = $this->getResponse($notify["notify_id"]);
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}
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if (preg_match("/true$/i", $responseTxt) && $isSign) {
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$this->setInfo($notify);
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return true;
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} else {
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return false;
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}
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}
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protected function setInfo($notify)
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{
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$info = array();
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//支付状态
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$info['status'] = ($notify['trade_status'] == 'TRADE_FINISHED' || $notify['trade_status'] == 'TRADE_SUCCESS') ? true : false;
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$info['money'] = $notify['total_fee'];
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$info['trade_no'] = $notify['trade_no'];
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$info['out_trade_no'] = $notify['out_trade_no'];
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$this->info = $info;
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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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{
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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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