让Discuz 7.2支持支付宝双功能接口的解决方法

<?php

/*
    [Discuz!] (C)2001-2009 Comsenz Inc.
    This is NOT a freeware, use is subject to license terms

    $Id: alipay.api.php 18853 2009-07-29 03:21:09Z monkey $
*/

if(!defined('IN_DISCUZ')) {
    exit('Access Denied');
}

require DISCUZ_ROOT.'./forumdata/cache/cache_alipaycontract.php';
define('STATUS_SELLER_SEND', 4);
define('STATUS_WAIT_BUYER', 5);
define('STATUS_TRADE_SUCCESS', 7);
define('STATUS_REFUND_CLOSE', 17);

function credit_payurl($price, &$orderid) {
    global $bbname, $discuz_userss, $language, $boardurl, $extcredits, $creditstrans, $onlineip, $ec_ratio, $ec_account, $timestamp, $authkey, $charset, $_DCACHE;

    $orderid = gmdate('YmdHis', $timestamp + $_DCACHE['settings']['timeoffset'] * 3600).random(18);

    $args = array(
        'subject'       => $bbname.' - '.$discuz_userss.' - '.$language['credit_payment'],
        'body'          => $language['credit_forum_payment'].' '.$extcredits[$creditstrans]['title'].' '.intval($price * $ec_ratio).' '.$extcredits[$creditstrans]['unit'].' ('.$onlineip.')',
        'service'       => 'trade_create_by_buyer',
        'partner'       => DISCUZ_PARTNER,
        'notify_url'        => $boardurl.'api/trade/credit.notify.php',
        'return_url'        => $boardurl.'api/trade/credit.notify.php',
        'show_url'      => $boardurl,
        '_input_charset'    => $charset,
        'out_trade_no'      => $orderid,
        'price'         => $price,
        'quantity'      => 1,
        'seller_email'      => $ec_account,
    );
    if(DISCUZ_DIRECTPAY) {
        $args['service'] = 'create_direct_pay_by_user';
        $args['payment_type'] = '1';
    } else {
        $args['logistics_type'] = 'EXPRESS';
        $args['logistics_fee'] = 0;
        $args['logistics_payment'] = 'SELLER_PAY';
        $args['payment_type'] = 1;
    }
    return trade_returnurl($args);
}

function trade_payurl($pay, $trade, $tradelog) {
    global $boardurl, $authkey, $charset;

    $args = array(
        'service'       => 'trade_create_by_buyer',
        'partner'       => DISCUZ_PARTNER,
        'notify_url'        => $boardurl.'api/trade/trade.notify.php',
        'return_url'        => $boardurl.'api/trade/trade.notify.php',
        'show_url'      => $tradelog['tid'] ? $boardurl.'viewthread.php?do=tradeinfo&tid='.$tradelog['tid'].'&pid='.$tradelog['pid'] : '',
        '_input_charset'    => $charset,
        'subject'       => $trade['subject'],
        'body'          => $trade['subject'],
        'out_trade_no'      => $tradelog['orderid'],
        'price'         => $tradelog['baseprice'],
        'quantity'      => $tradelog['number'],
        'logistics_type'    => $pay['logistics_type'],
        'logistics_fee'     => $tradelog['transportfee'],
        'logistics_payment'     => $pay['transport'],
        'payment_type'      => $trade['itemtype'],
        'seller_email'      => $trade['account'],
    );

    if($pay['logistics_type'] == 'VIRTUAL') {
        if(DISCUZ_DIRECTPAY) {
            $args['service'] = 'create_direct_pay_by_user';
            $args['payment_type'] = '1';
            unset($args['logistics_type'], $args['logistics_fee'], $args['logistics_payment']);
        } else {
            $args['logistics_type'] = 'EXPRESS';
            $args['logistics_payment'] = 'SELLER_PAY';
        }
    }
    return trade_returnurl($args);
}

function trade_returnurl($args) {
    ksort($args);
    $urlstr = $sign = '';
    foreach($args as $key => $val) {
        if($val !== '') {
            $sign .= '&'.$key.'='.$val;
        }
        $urlstr .= $key.'='.rawurlencode($val).'&';
    }
    $sign = substr($sign, 1);
    $sign = md5($sign.DISCUZ_SECURITYCODE);
    return 'https://www.alipay.com/cooperate/gateway.do?'.$urlstr.'sign='.$sign.'&sign_type=MD5';
}

function trade_notifycheck($type) {
    if(!empty($_POST)) {
        $notify = $_POST;
        $location = FALSE;
    } elseif(!empty($_GET)) {
        $notify = $_GET;
        $location = TRUE;
    } else {
        exit('Access Denied');
    }

    if(dfopen("http://notify.alipay.com/trade/notify_query.do?partner=".DISCUZ_PARTNER."&notify_id=".$notify['notify_id'], 60) !== 'true') {
        exit('Access Denied');
    }

    if($type == 'trade') {
        $urlstr = '';
        foreach($notify as $key => $val) {
            MAGIC_QUOTES_GPC && $val = stripslashes($val);
            $urlstr .= $key.'='.rawurlencode(stripslashes($val)).'&';
        }
    } else {
        ksort($notify);
        $sign = '';
        foreach($notify as $key => $val) {
            if($key != 'sign' and $key != 'sign_type') $sign .= "&$key=$val";
        }

        if($notify['sign'] != md5(substr($sign,1).DISCUZ_SECURITYCODE)) {
            exit('Access Denied');
        }
    }

    if($type == 'credit' && (!DISCUZ_DIRECTPAY && $notify['notify_type'] == 'trade_status_sync' && $notify['trade_status'] == 'WAIT_SELLER_SEND_GOODS' || DISCUZ_DIRECTPAY && $notify['trade_status'] == 'TRADE_FINISHED')
        || $type == 'trade' && $notify['notify_type'] == 'trade_status_sync') {
        return array(
            'validator' => TRUE,
            'status'    => trade_getstatus(!empty($notify['refund_status']) ? $notify['refund_status'] : $notify['trade_status'], 1),
            'order_no'  => $notify['out_trade_no'],
            'price'     => !DISCUZ_DIRECTPAY ? $notify['price'] : $notify['total_fee'],
            'trade_no'  => $notify['trade_no'],
            'notify'    => 'success',
            'location'  => $location
            );
    } else {
        return array(
            'validator' => FALSE,
            'notify'    => 'fail',
            'location'  => $location
            );
    }
}

function trade_getorderurl($orderid) {
    return 'https://www.alipay.com/trade/query_trade_detail.htm?trade_no='.$orderid;
}

function trade_typestatus($method, $status = -1) {
    switch($method) {
        case 'buytrades'    : $methodvalue = array(1, 5, 11, 12);break;
        case 'selltrades'   : $methodvalue = array(2, 4, 10, 13);break;
        case 'successtrades'    : $methodvalue = array(7);break;
        case 'tradingtrades'    : $methodvalue = array(1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16);break;
        case 'closedtrades' : $methodvalue = array(8, 17);break;
        case 'refundsuccess'    : $methodvalue = array(17);break;
        case 'refundtrades' : $methodvalue = array(14, 15, 16, 17, 18);break;
        case 'unstarttrades'    : $methodvalue = array(0);break;
        case 'eccredittrades'   : $methodvalue = array(7, 17);break;
    }
    return $status != -1 ? in_array($status, $methodvalue) : implode('\',\'', $methodvalue);
}

function trade_getstatus($key, $method = 2) {
    global $language;
    $status[1] = array(
        'WAIT_BUYER_PAY' => 1,
        'WAIT_SELLER_CONFIRM_TRADE' => 2,
        'WAIT_SYS_CONFIRM_PAY' => 3,
        'WAIT_SELLER_SEND_GOODS' => 4,
        'WAIT_BUYER_CONFIRM_GOODS' => 5,
        'WAIT_SYS_PAY_SELLER' => 6,
        'TRADE_FINISHED' => 7,
        'TRADE_CLOSED' => 8,
        'WAIT_SELLER_AGREE' => 10,
        'SELLER_REFUSE_BUYER' => 11,
        'WAIT_BUYER_RETURN_GOODS' => 12,
        'WAIT_SELLER_CONFIRM_GOODS' => 13,
        'WAIT_ALIPAY_REFUND' => 14,
        'ALIPAY_CHECK' => 15,
        'OVERED_REFUND' => 16,
        'REFUND_SUCCESS' => 17,
        'REFUND_CLOSED' => 18
    );
    $status[2] = array(
        0  => $language['trade_unstart'],
        1  => $language['trade_waitbuyerpay'],
        2  => $language['trade_waitsellerconfirm'],
        3  => $language['trade_sysconfirmpay'],
        4  => $language['trade_waitsellersend'],
        5  => $language['trade_waitbuyerconfirm'],
        6  => $language['trade_syspayseller'],
        7  => $language['trade_finished'],
        8  => $language['trade_closed'],
        10 => $language['trade_waitselleragree'],
        11 => $language['trade_sellerrefusebuyer'],
        12 => $language['trade_waitbuyerreturn'],
        13 => $language['trade_waitsellerconfirmgoods'],
        14 => $language['trade_waitalipayrefund'],
        15 => $language['trade_alipaycheck'],
        16 => $language['trade_overedrefund'],
        17 => $language['trade_refundsuccess'],
        18 => $language['trade_refundclosed']
    );
    return $method == -1 ? $status[2] : $status[$method][$key];
}

function trade_setprice($data, &$price, &$pay, &$transportfee) {
    if($data['transport'] == 1) {
        $pay['transport'] = 'SELLER_PAY';
    } elseif($data['transport'] == 2) {
        $pay['transport'] = 'BUYER_PAY';
    } elseif($data['transport'] == 3) {
        $pay['logistics_type'] = 'VIRTUAL';
    } else {
        $pay['transport'] = 'BUYER_PAY_AFTER_RECEIVE';
    }

    if($data['transport'] != 3) {
        if($data['fee'] == 1) {
            $pay['logistics_type'] = 'POST';
            $pay['logistics_fee'] = $data['trade']['ordinaryfee'];
            if($data['transport'] == 2) {
                $price = $price + $data['trade']['ordinaryfee'];
                $transportfee = $data['trade']['ordinaryfee'];
            }
        } elseif($data['fee'] == 2) {
            $pay['logistics_type'] = 'EMS';
            $pay['logistics_fee'] = $data['trade']['emsfee'];
            if($data['transport'] == 2) {
                $price = $price + $data['trade']['emsfee'];
                $transportfee = $data['trade']['emsfee'];
            }
        } else {
            $pay['logistics_type'] = 'EXPRESS';
            $pay['logistics_fee'] = $data['trade']['expressfee'];
            if($data['transport'] == 2) {
                $price = $price + $data['trade']['expressfee'];
                $transportfee = $data['trade']['expressfee'];
            }
        }
    }
}

?>