add note and warning message

examples/coreApi/coreApiCreditCardExample.js

@@ -1,7 +1,10 @@
 const midtransClient = require('./../../index.js');
 // const midtransClient = require('midtrans-client'); // use this if installed via NPM
 
+// This is just for very basic implementation reference, in production, you should validate the incoming requests and implement your backend more securely.
+
 // initialize core api client object
+// can find in Merchant Portal -> Settings -> Access keys
 let core = new midtransClient.CoreApi({
     isProduction : false,
     serverKey : 'YOUR_SERVER_KEY',
@@ -22,10 +25,13 @@ let core = new midtransClient.CoreApi({
 // core.apiConfig.serverKey = 'YOUR_SERVER_KEY';
 // core.apiConfig.clientKey = 'YOUR_CLIENT_KEY';
 
-// IMPORTANT NOTE: You should do credit card get token via frontend using `midtrans.min.js`, to avoid card data breach risks on your backend
-// ( refer to: https://api-docs.midtrans.com )
+// IMPORTANT NOTE: You should do credit card get token via frontend using `midtrans-new-3ds.min.js`, to avoid card data breach risks on your backend
+// ( refer to: https://docs.midtrans.com/en/core-api/credit-card?id=_1-getting-the-card-token )
+// For full example on Credit Card 3DS transaction refer to:
+// (/examples/expressApp) that implement Snap & Core Api
 
-// prepare Core API parameter ( refer to: https://api-docs.midtrans.com ) minimum parameter example:
+// prepare CORE API parameter to get credit card token
+// another sample of card number can refer to https://docs.midtrans.com/en/technical-reference/sandbox-test?id=card-payments
 let parameter = {
     'card_number': '5264 2210 3887 4659',
     'card_exp_month': '12',
@@ -35,6 +41,7 @@ let parameter = {
 };
 core.cardToken(parameter)
     .then((cardTokenResponse)=>{
+        // prepare CORE API parameter to charge credit card ( refer to: https://docs.midtrans.com/en/core-api/credit-card?id=_2-sending-transaction-data-to-charge-api )
         let cardToken = cardTokenResponse.token_id;
         let parameter = {
             "payment_type": "credit_card",

examples/coreApi/coreApiSimpleExample.js

@@ -1,14 +1,17 @@
 const midtransClient = require('./../../index.js');
 // const midtransClient = require('midtrans-client'); // use this if installed via NPM
 
+// This is just for very basic implementation reference, in production, you should validate the incoming requests and implement your backend more securely.
+
 // initialize core api client object
+// can find in Merchant Portal -> Settings -> Access keys
 let core = new midtransClient.CoreApi({
     isProduction : false,
     serverKey : 'YOUR_SERVER_KEY',
     clientKey : 'YOUR_CLIENT_KEY'
 });
 
-// prepare Core API parameter ( refer to: https://api-docs.midtrans.com ) minimum parameter example:
+// prepare CORE API parameter ( refer to: https://docs.midtrans.com/en/core-api/bank-transfer?id=sample-request-and-request-body ) charge bank_transfer parameter example
 let parameter = {
     "payment_type": "bank_transfer",
     "transaction_details": {

examples/expressApp/app.js

@@ -1,6 +1,13 @@
+// This is just for very basic implementation reference, in production, you should validate the incoming requests and implement your backend more securely.
+
 const express = require('express');
 const midtransClient = require('midtrans-client');
 
+// Set Your server key
+// can find in Merchant Portal -> Settings -> Access keys
+const SERVER_KEY = '';
+const CLIENT_KEY = '';
+
 // Express setup
 let app = express();
 app.set('views', 'views');
@@ -20,8 +27,8 @@ app.get('/simple_checkout', function (req, res) {
   // initialize snap client object
   let snap = new midtransClient.Snap({
     isProduction : false,
-    serverKey : 'SB-Mid-server-GwUP_WGbJPXsDzsNEBRs8IYA',
-    clientKey : 'SB-Mid-client-61XuGAwQ8Bj8LxSS'
+    serverKey : SERVER_KEY,
+    clientKey : CLIENT_KEY
   });
   let parameter = {
     "transaction_details": {
@@ -51,8 +58,8 @@ app.get('/simple_checkout', function (req, res) {
 // [0] Setup API client and config
 let core = new midtransClient.CoreApi({
   isProduction : false,
-  serverKey : 'SB-Mid-server-GwUP_WGbJPXsDzsNEBRs8IYA',
-  clientKey : 'SB-Mid-client-61XuGAwQ8Bj8LxSS'
+  serverKey : SERVER_KEY,
+  clientKey : CLIENT_KEY
 });
 
 // [1] Render HTML+JS web page to get card token_id and [3] 3DS authentication
@@ -194,10 +201,25 @@ app.get('/simple_core_api_checkout_permata', function (req, res) {
  */
 // homepage
 app.get('/', function (req, res) {
+  if (!SERVER_KEY || !CLIENT_KEY) {
+    // non-relevant function only used for demo/example purpose
+    res.send(printExampleWarningMessage());
+  }
   res.render('index');
 })
+
+function printExampleWarningMessage() {
+  // pathfile = os.path.abspath("web.py")
+  message = "<code><h4>Please set your server key and client key from sandbox</h4>In file: " + __filename
+  message += "<br><br># Set Your server key"
+  message += "<br># can find in Merchant Portal -> Settings -> Access keys"
+  message += "<br>SERVER_KEY = ''"
+  message += "<br>CLIENT_KEY = ''</code>"
+  return message
+}
+
 // credit card frontend demo
 app.get('/core_api_credit_card_frontend_sample', function (req, res) {
   res.render('core_api_credit_card_frontend_sample',{ clientKey: core.apiConfig.clientKey });
 })
-app.listen(3000, () => console.log(`ExpressApp listening on localhost port 3000!`))
+app.listen(3000, () => console.log(`ExpressApp listening on localhost port 3000!`))