141 lines
4.5 KiB
PHP
141 lines
4.5 KiB
PHP
<?php
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namespace com\pay\driver;
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class Alipay extends \com\pay\Pay {
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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 $config = array(
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'email' => '',
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'key' => '',
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'partner' => '',
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);
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public function check() {
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if (!$this->config['email'] || !$this->config['key'] || !$this->config['partner']) {
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E("支付宝账号未开通！");
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}
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return true;
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}
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public function pay(\com\pay\Input $input) {
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$param = array(
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'service' => '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_email' => $this->config['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' => $input->getOrderNo(),
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'subject' => $input->getTitle(),
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'body' => $input->getBody(),
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'total_fee' => $input->getFee()
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);
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ksort($param);
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reset($param);
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$arg = '';
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foreach ($param as $key => $value) {
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if ($value) {
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$arg .= "$key=$value&";
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}
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}
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//echo substr($arg, 0, -1) . $this->config['key'];exit();
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$param['sign'] = md5(substr($arg, 0, -1) . $this->config['key']);
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$param['sign_type'] = 'MD5';
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$sHtml = $this->_buildForm($param, $this->gateway,true, 'get');
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return $sHtml;
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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, $sign) {
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//除去待签名参数数组中的空值和签名参数
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$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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ksort($param_filter);
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reset($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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$prestr = "";
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while (list ($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 == $sign) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* 针对notify_url验证消息是否是支付宝发出的合法消息
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* @return 验证结果
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*/
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public function verifyNotify($notify) {
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//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 $this->info;
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} else {
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return false;
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}
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}
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protected function setInfo($notify) {
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$info = array();
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//支付状态
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$info['status'] = ($notify['trade_status'] == 'TRADE_FINISHED' || $notify['trade_status'] == 'TRADE_SUCCESS') ? true : false;
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$info['total_fee'] = $notify['total_fee'];
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$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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$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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