<?php



/**

 * 手机支付宝异步响应操作 by Bragg

 */



define('IN_ECTOUCH', true);



require(dirname(__FILE__) . '/../include/init.php');

require(ROOT_PATH . 'include/lib_payment.php');

require(ROOT_PATH . 'include/lib_order.php');



/* 支付方式代码 */

$pay_code = 'alipay_wap';

/* 支付信息 */

$payment  = get_payment($pay_code);



if(!empty($_POST)){

	//支付宝系统通知待签名数据构造规则比较特殊，为固定顺序。

	$parameter['service'] = $_POST['service'];

	$parameter['v'] = $_POST['v'];

	$parameter['sec_id'] = $_POST['sec_id'];

	$parameter['notify_data'] = $_POST['notify_data'];

	//生成签名字符串

	$sign = '';

	foreach ($parameter AS $key=>$val) {

		$sign .= "$key=$val&";

	}

	$sign = substr($sign, 0, -1) . $payment['alipay_key'];

	//验证签名

	if (md5($sign) != $_POST['sign']) {

		exit("fail");

	}

	//解析notify_data

	$notify_data = (array)simplexml_load_string($parameter['notify_data']);

	//商户订单号

	$out_trade_no = $notify_data['out_trade_no'];

	//支付宝交易号

	$trade_no = $notify_data['trade_no'];

	//交易状态

	$trade_status = $notify_data['trade_status'];

	//获取log_id

	$out_trade_no = explode('_', $out_trade_no);

	$order_sn = $out_trade_no[1];//订单号log_id

	if($trade_status == 'TRADE_FINISHED' || $trade_status == 'TRADE_SUCCESS') {

		/* 改变订单状态 */

		order_paid($order_sn, 2);

		echo "success";

	} else {

		echo "fail";

	}

}else{

	echo "fail";

}

//打印日志

function logResult($word='') {

	$fp = fopen("log.txt","a");

	flock($fp, LOCK_EX) ;

	fwrite($fp,"执行日期：".strftime("%Y%m%d%H%M%S",time())."\n".$word."\n");

	flock($fp, LOCK_UN);

	fclose($fp);

}

?>