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ucheng/edd-ecpay.php

Created May 28, 2021 00:46
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EDD x ECPay Payment Gateway
Raw
edd-ecpay.php
<?php
// registers the gateway
function pw_edd_register_gateway($gateways) {
$gateways['ecpay_credit'] = array( 'admin_label' => '綠界-信用卡', 'checkout_label' => __('綠界-信用卡', 'your_textdomain'));
return $gateways;
}
add_filter('edd_payment_gateways', 'pw_edd_register_gateway');
// process the payment
add_action( 'edd_gateway_ecpay_credit', 'edd_process_ecpay_credit_purchase' );
function edd_process_ecpay_credit_purchase( $purchase_data ) {
if( ! wp_verify_nonce( $purchase_data['gateway_nonce'], 'edd-gateway' ) ) {
wp_die( __( 'Nonce verification has failed', 'easy-digital-downloads' ), __( 'Error', 'easy-digital-downloads' ), array( 'response' => 403 ) );
}
$purchase_summary = edd_get_purchase_summary($purchase_data);
/**********************************
* setup the payment details
**********************************/
$payment_data = array(
'price' => $purchase_data['price'],
'date' => $purchase_data['date'],
'user_email' => $purchase_data['user_email'],
'purchase_key' => $purchase_data['purchase_key'],
'currency' => $edd_options['currency'],
'downloads' => $purchase_data['downloads'],
'cart_details' => $purchase_data['cart_details'],
'user_info' => $purchase_data['user_info'],
'status' => 'pending',
'gateway' => 'ecpay_credit'
);
// record the pending payment
$payment_id = edd_insert_payment($payment_data);
if ( ! $payment_id ) {
// Record the error
edd_record_gateway_error( __( 'Payment Error', 'easy-digital-downloads' ), sprintf( __( 'Payment creation failed before sending buyer to ECPay. Payment data: %s', 'easy-digital-downloads' ), json_encode( $payment_data ) ), $payment_id );
// Problems? send back
edd_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['edd-gateway'] );
} else {
// if errors are present, send the user back to the purchase page so they can be corrected
$date = date( 'Y/m/d H:i:s', current_time( 'timestamp' ) );
$listener_url = trailingslashit( home_url() ).'?edd-listener=ecpay_credit';
//prepare data
$data = array(
'MerchantID' => '2000132',
'MerchantTradeNo' => $payment_id.rand(100, 999), //商店訂單編號，後三碼為流水號，訂單編號重複
'MerchantTradeDate' => $date,
'PaymentType' => 'aio',
'TotalAmount' => $payment_data['price'],
'TradeDesc' => 'your item desc',
'ItemName' => 'your item name',
'ReturnURL' => $listener_url,//背景通知的網址
'OrderResultURL' => edd_get_success_page_uri(),//付款成功後導向這個網址，類似 woo get_return_url()
'ChoosePayment' => 'Credit',
'EncryptType' => 1
);
$mac = GenerateCheckMacValue( $data );
$data['CheckMacValue'] = $mac;
$ServiceURL = 'https://payment-stage.ecpay.com.tw/Cashier/AioCheckOut/V5';
//生成表單，自動送出
$szHtml = '<!DOCTYPE html>';
$szHtml .= '<html>';
$szHtml .= '<head>';
$szHtml .= '<meta charset="utf-8">';
$szHtml .= '</head>';
$szHtml .= '<body>';
$szHtml .= "<form id=\"__ecpayForm\" method=\"post\" target=\"_self\" action=\"{$ServiceURL}\">";
foreach ($data as $keys => $value) {
$szHtml .= "<input type=\"hidden\" name=\"{$keys}\" value='{$value}' />";
}
$szHtml .= '</form>';
$szHtml .= '<script type="text/javascript">document.getElementById("__ecpayForm").submit();</script>';
$szHtml .= '</body>';
$szHtml .= '</html>';
echo $szHtml ;
}
}
/**
* 產生檢查碼
* 傳入 $arParameters 各參數
* 傳出 $sMacValue 檢查碼
*/
function GenerateCheckMacValue($arParameters)
{
$sMacValue = '' ;
if(isset($arParameters))
{
// 資料排序
// php 5.3以下不支援
// ksort($arParameters, SORT_NATURAL | SORT_FLAG_CASE);
uksort($arParameters, 'strcasecmp');
// 開始組合字串
$sMacValue = 'HashKey=5294y06JbISpM5x9' ;
foreach($arParameters as $key => $value)
{
$sMacValue .= '&' . $key . '=' . $value ;
}
$sMacValue .= '&HashIV=v77hoKGq4kWxNNIS' ;
// URL Encode編碼
$sMacValue = urlencode($sMacValue);
// 轉成小寫
$sMacValue = strtolower($sMacValue);
// 取代為與 dotNet 相符的字元
$sMacValue = str_replace('%2d', '-', $sMacValue);
$sMacValue = str_replace('%5f', '_', $sMacValue);
$sMacValue = str_replace('%2e', '.', $sMacValue);
$sMacValue = str_replace('%21', '!', $sMacValue);
$sMacValue = str_replace('%2a', '*', $sMacValue);
$sMacValue = str_replace('%28', '(', $sMacValue);
$sMacValue = str_replace('%29', ')', $sMacValue);
// MD5編碼
$sMacValue = hash('sha256', $sMacValue, false);
$sMacValue = strtoupper($sMacValue);
}
return $sMacValue ;
}
add_action( 'init', 'process_ecpay_credit' );
function process_ecpay_credit() {
if ( ! isset( $_GET['edd-listener'] ) || $_GET['edd-listener'] !== 'ecpay_credit' ) {
return;
}
$resp = $_REQUEST;
if (array_key_exists('RtnCode', $resp)) {
if ($resp['RtnCode'] == '1') {
$ecpay_payment_id = $resp['MerchantTradeNo'];
$payment_id = parse_ecpay_order_no_to_edd_payment_id($ecpay_payment_id);
edd_update_payment_status($payment_id, 'complete');
edd_get_purchase_session();
edd_empty_cart();
} else {
//handle the error
}
}
}
function parse_ecpay_order_no_to_edd_payment_id( $ecpay_order_no ) {
$real_edd_payment_id = substr($ecpay_order_no, 0, -3);
return $real_edd_payment_id;
}
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