<?php

defined('IN_PHPCMS') or exit('No permission resources.');

if (isset($set_modules) && $set_modules == TRUE)

{

    $i = isset($modules) ? count($modules) : 0;



    $modules[$i]['code']    = basename(__FILE__, '.class.php');

    $modules[$i]['name']    = L('alipay', '', 'pay');   

    $modules[$i]['desc']    = L('alipay_tip', '', 'pay');

    $modules[$i]['is_cod']  = '0';

    $modules[$i]['is_online']  = '1';

    $modules[$i]['author']  = 'PHPCMS开发团队';

    $modules[$i]['website'] = 'http://www.alipay.com';

    $modules[$i]['version'] = '1.0.0';

    $modules[$i]['config']  = array(

     	array('name' => 'alipay_account','type' => 'text','value' => ''),

        array('name' => 'alipay_key','type' => 'text','value' => ''),

        array('name' => 'alipay_partner','type' => 'text','value' => ''),

        array('name' => 'service_type','type' => 'select','value' => '0'),

    );



    return;

}

pc_base::load_app_class('pay_abstract','','0');



class Alipay extends paymentabstract{

	

	public function __construct($config = array()) {	

		if (!empty($config)) $this->set_config($config);

		

	    if ($this->config['service_type']==1) $this->config['service'] = 'trade_create_by_buyer';

		elseif($this->config['service_type']==2) $this->config['service'] = 'create_direct_pay_by_user';

        else $this->config['service'] = 'create_partner_trade_by_buyer';	

        

		$this->config['gateway_url'] = 'https://www.alipay.com/cooperate/gateway.do?_input_charset='.CHARSET;

		$this->config['gateway_method'] = 'POST';

		$this->config['notify_url'] = return_url('alipay',1);

		$this->config['return_url'] = return_url('alipay');

		pc_base::load_app_func('alipay');

	}



	public function getpreparedata() {		

		$prepare_data['service'] = $this->config['service'];

		$prepare_data['payment_type'] = '1';

		$prepare_data['seller_email'] = $this->config['alipay_account'];

		$prepare_data['partner'] = $this->config['alipay_partner'];

		$prepare_data['_input_charset'] = CHARSET;		

		$prepare_data['notify_url'] = $this->config['notify_url'];

		$prepare_data['return_url'] = $this->config['return_url'];

		

		// 商品信息

		$prepare_data['subject'] = $this->product_info['name'];

		$prepare_data['price'] = $this->product_info['price'];

		if (array_key_exists('url', $this->product_info)) $prepare_data['show_url'] = $this->product_info['url'];

		$prepare_data['body'] = $this->product_info['body'];

		

		//订单信息

		$prepare_data['out_trade_no'] = $this->order_info['id'];

		$prepare_data['quantity'] = $this->order_info['quantity'];



		// 物流信息

		if($this->config['service'] == 'create_partner_trade_by_buyer' || $this->config['service'] == 'trade_create_by_buyer') {

			$prepare_data['logistics_type'] = 'EXPRESS';

			$prepare_data['logistics_fee'] = '0.00';

			$prepare_data['logistics_payment'] = 'SELLER_PAY';

		}

		//买家信息

		$prepare_data['buyer_email'] = $this->order_info['buyer_email'];

		

		$prepare_data = arg_sort($prepare_data);

		// 数字签名

		$prepare_data['sign'] = build_mysign($prepare_data,$this->config['alipay_key'],'MD5');

		return $prepare_data;

	}

	

	/**

	 * GET接收数据

	 * 状态码说明  （0 交易完成 1 交易失败 2 交易超时 3 交易处理中 4 交易未支付5交易取消6交易发生错误）

	 */

    public function receive() {

    	$receive_sign = $_GET['sign'];

    	$receive_data = $this->filterParameter($_GET);

    	$receive_data = arg_sort($receive_data);

    	if ($receive_data) {

			$verify_result = $this->get_verify('http://notify.alipay.com/trade/notify_query.do?partner=' . $this->config['alipay_partner'] . '&notify_id=' . $receive_data['notify_id']);

			if (preg_match('/true$/i', $verify_result))

			{

				$sign = '';

				$sign = build_mysign($receive_data,$this->config['alipay_key'],'MD5');				

				if ($sign != $receive_sign)

				{

					error_log(date('m-d H:i:s',SYS_TIME).'| GET: signature is bad |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');					

					showmessage(L('illegal_sign'));

					return false;

				}

				else

				{

					$return_data['order_id'] = $receive_data['out_trade_no'];

					$return_data['order_total'] = $receive_data['total_fee'];

					$return_data['price'] = $receive_data['price'];

					switch ($receive_data['trade_status'])

					{

						case 'WAIT_BUYER_PAY': $return_data['order_status'] = 3; break;

						case 'WAIT_SELLER_SEND_GOODS': $return_data['order_status'] = 3; break;

						case 'WAIT_BUYER_CONFIRM_GOODS': $return_data['order_status'] = 3; break;

						case 'TRADE_CLOSED': $return_data['order_status'] = 5; break;						

						case 'TRADE_FINISHED': $return_data['order_status'] = 0; break;

						case 'TRADE_SUCCESS': $return_data['order_status'] = 0; break;

						default:

							 $return_data['order_status'] = 5;						

					}			

					return $return_data;

				}



			}

			else

			{

				error_log(date('m-d H:i:s',SYS_TIME).'| GET: illegality notice : flase |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');

				showmessage(L('illegal_notice'));

				return false;

			}

		} else {

			

			error_log(date('m-d H:i:s',SYS_TIME).'| GET: no return |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');

			showmessage(L('illegal_return'));

			return false;

		}   	

    }	



    /**

	 * POST接收数据

	 * 状态码说明  （0 交易完成 1 交易失败 2 交易超时 3 交易处理中 4 交易未支付 5交易取消6交易发生错误）

	 */

    public function notify() {

    	$receive_sign = $_POST['sign'];

    	$receive_data = $this->filterParameter($_POST);

    	$receive_data = arg_sort($receive_data);

    	if ($receive_data) {

			$verify_result = $this->get_verify('http://notify.alipay.com/trade/notify_query.do?service=notify_verify&partner=' . $this->config['alipay_partner'] . '&notify_id=' . $receive_data['notify_id']);

			if (preg_match('/true$/i', $verify_result))

			{

				$sign = '';

				$sign = build_mysign($receive_data,$this->config['alipay_key'],'MD5');				

				if ($sign != $receive_sign)

				{

					error_log(date('m-d H:i:s',SYS_TIME).'| POST: signature is bad |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');					

					return false;

				}

				else

				{

					$return_data['order_id'] = $receive_data['out_trade_no'];

					$return_data['order_total'] = $receive_data['total_fee'];

					$return_data['price'] = $receive_data['price'];

					switch ($receive_data['trade_status']) {

						case 'WAIT_BUYER_PAY': $return_data['order_status'] = 3; break;

						case 'WAIT_SELLER_SEND_GOODS': $return_data['order_status'] = 3; break;

						case 'WAIT_BUYER_CONFIRM_GOODS': $return_data['order_status'] = 3; break;

						case 'TRADE_CLOSED': $return_data['order_status'] = 5; break;						

						case 'TRADE_FINISHED': $return_data['order_status'] = 0; break;

						case 'TRADE_SUCCESS': $return_data['order_status'] = 0; break;

						default:

							 $return_data['order_status'] = 5;

					}

					return $return_data;

				}



			}

			else

			{

				error_log(date('m-d H:i:s',SYS_TIME).'|  POST: illegality notice : flase |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');

				return false;

			}

		} else {

			

			error_log(date('m-d H:i:s',SYS_TIME).'|  POST: no post return |'."\r\n", 3, CACHE_PATH.'pay_error_log.php');

			return false;

		}   	

    }

    	

    /**

     * 相应服务器应答状态

     * @param $result

     */

    public function response($result) {

    	if (FALSE == $result) echo 'fail';

		else echo 'success';

    }

    

    /**

     * 返回字符过滤

     * @param $parameter

     */

	private function filterParameter($parameter)

	{

		$para = array();

		foreach ($parameter as $key => $value)

		{

			if ('sign' == $key || 'sign_type' == $key || '' == $value || 'm' == $key  || 'a' == $key  || 'c' == $key   || 'code' == $key ) continue;

			else $para[$key] = $value;

		}

		return $para;

	}

}

?>