Agent skill

newebpay-checkout

Implements NewebPay MPG checkout integration including AES256 encryption, form submission, and payment callback handling. Use when integrating payment gateway, creating checkout flows, or building 藍新金流 payment pages.

Stars 236
Forks 18

Install this agent skill to your Project

npx add-skill https://github.com/paid-tw/skills/tree/main/plugins/newebpay/skills/newebpay-checkout

SKILL.md

藍新金流 MPG 支付串接任務

你的任務是在用戶的專案中實作藍新金流 MPG 幕前支付功能。

串接 Checklist

完成以下步驟即可完成串接:

  • 環境確認 - 確認框架類型與支付方式需求
  • 環境變數 - 設定 NEWEBPAY_MERCHANT_ID、HASH_KEY、HASH_IV
  • 支付模組 - 建立加密解密與訂單建立功能
  • 支付表單 - 建立送出至藍新的 HTML 表單
  • 回調處理 - 建立 NotifyURL 與 ReturnURL 端點
  • 測試驗證 - 使用測試環境與測試卡號驗證

Step 1: 確認專案環境

詢問用戶:

  1. 框架類型:你使用什麼框架?

    • PHP (Laravel / CodeIgniter / 原生)
    • Node.js (Express / Fastify / NestJS)
    • Python (Django / Flask / FastAPI)
    • 其他
  2. 支付方式:需要支援哪些支付方式?(可複選)

    • 信用卡
    • LINE Pay
    • Apple Pay / Google Pay
    • ATM 轉帳
    • 超商代碼/條碼

用戶輸入: $ARGUMENTS

Step 2: 檢查環境變數

搜尋專案中的 .env 或設定檔,確認是否已設定:

  • NEWEBPAY_MERCHANT_ID
  • NEWEBPAY_HASH_KEY
  • NEWEBPAY_HASH_IV

若未設定,引導用戶設定環境變數。

Step 3: 建立支付模組

根據用戶框架建立支付模組檔案。

建立位置建議:

  • Laravel: app/Services/NewebPayService.php
  • Express: services/newebpay.js
  • Django: payments/services.py

核心功能:

  1. encrypt(data) - AES256 加密
  2. decrypt(data) - AES256 解密
  3. generateSha(tradeInfo) - SHA256 簽章
  4. createOrder(orderData) - 建立訂單並回傳表單資料
  5. handleNotify(payload) - 處理回調通知

Step 4: 建立支付表單頁面

根據框架建立支付表單,需包含:

html
<form method="post" action="https://ccore.newebpay.com/MPG/mpg_gateway">
    <input type="hidden" name="MerchantID" value="{商店代號}">
    <input type="hidden" name="TradeInfo" value="{加密資料}">
    <input type="hidden" name="TradeSha" value="{SHA256簽章}">
    <input type="hidden" name="Version" value="2.3">
    <button type="submit">前往付款</button>
</form>

Step 5: 建立回調處理

建立兩個端點:

  1. NotifyURL (背景通知): POST /payment/notify

    • 接收藍新背景通知
    • 解密 TradeInfo
    • 更新訂單狀態
    • 回應 "OK"
  2. ReturnURL (前台返回): GET/POST /payment/return

    • 用戶支付完成後導向
    • 顯示交易結果

Step 6: 測試驗證

引導用戶進行測試:

  1. 使用測試環境 https://ccore.newebpay.com
  2. 測試信用卡號: 4000-2211-1111-1111
  3. 驗證加密解密正確性
  4. 確認回調可正常接收

API 參考

端點

環境 URL
測試 https://ccore.newebpay.com/MPG/mpg_gateway
正式 https://core.newebpay.com/MPG/mpg_gateway

TradeInfo 必要參數

參數 類型 說明
MerchantID String(15) 商店代號
RespondType String JSON
TimeStamp Number Unix timestamp
Version String 2.3
MerchantOrderNo String(30) 訂單編號(不可重複)
Amt Number 金額
ItemDesc String(50) 商品描述
Email String(50) 付款人 Email
ReturnURL String 前台返回網址
NotifyURL String 背景通知網址

支付方式參數

參數 說明
CREDIT 1 信用卡
INST 3,6,12 分期期數
LINEPAY 1 LINE Pay
APPLEPAY 1 Apple Pay
GOOGLEPAY 1 Google Pay
VACC 1 ATM 轉帳
CVS 1 超商代碼
BARCODE 1 超商條碼

詳細參考文件

  • 程式碼範例 (PHP/Node.js)
  • 完整交易參數
  • 回應參數說明
  • 錯誤代碼
  • 常見情境
  • 疑難排解

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