payubiz_cb_flutter 0.0.1 
payubiz_cb_flutter: ^0.0.1 copied to clipboard
The PayU Custom Browser for Flutter provides a optimized solution for Flutter App to open bank pages, Otp Auto read and submit. The PayU Custom Browser allows you to integrate with the PayU PG with mi [...]
import 'package:flutter/material.dart';
import 'package:payubiz_cb_flutter/payubiz_cb_flutter.dart';
import 'package:payubiz_cb_flutter/PayUCBConstantKeys.dart';
import 'package:crypto/crypto.dart';
import 'dart:convert';
void main() {
runApp(const MaterialApp(home: MyApp()));
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> implements PayUCustomBrowserProtocol {
late PayUCustomBrowserFlutter payUCustomBrowserFlutterPlugin;
TextEditingController keyTextField = TextEditingController(text:"smsplus");
TextEditingController saltTextField = TextEditingController(text:"1b1b0");
TextEditingController userCredentialTextField = TextEditingController(text:"umang:arya");
TextEditingController accountNumberTextField = TextEditingController(text:"123456789");
TextEditingController accountIFSCTextField = TextEditingController(text:"IFSC1234");
TextEditingController bankCodeForNBTextField = TextEditingController(text:"ICIB");
TextEditingController bankCodeForNBTPVTextField = TextEditingController(text:"HDFNBTPV");
@override
void initState() {
super.initState();
payUCustomBrowserFlutterPlugin = PayUCustomBrowserFlutter(this);
PayUTestCredentials.merchantKey = keyTextField.text;
PayUTestCredentials.merchantSalt = saltTextField.text;
PayUTestCredentials.userCredential = userCredentialTextField.text;
PayUTestCredentials.accountNumber = accountNumberTextField.text;
PayUTestCredentials.accountIFSC = accountIFSCTextField.text;
PayUTestCredentials.bankCodeForNB = bankCodeForNBTextField.text;
PayUTestCredentials.bankCodeForNBTPV = bankCodeForNBTPVTextField.text;
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Custom Browser Plugin example app'),
),
body: Center(
child: SizedBox(
child: ListView(
children: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: accountNumberTextField,
decoration: const InputDecoration(
labelText: 'account number ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.accountNumber =
accountNumberTextField.text;
print("PayU flutterhash " +
PayUTestCredentials.merchantKey);
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: accountIFSCTextField,
decoration: const InputDecoration(
labelText: 'account IFSC ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.accountIFSC =
accountIFSCTextField.text;
print("PayU flutterhash " +
PayUTestCredentials.merchantKey);
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: userCredentialTextField,
decoration: const InputDecoration(
labelText: 'User Credential ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.userCredential =
userCredentialTextField.text;
print("PayU flutterhash " +
PayUTestCredentials.merchantKey);
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: keyTextField,
decoration: const InputDecoration(
labelText: 'Key ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.merchantKey =
keyTextField.text;
print("PayU flutterhash " +
PayUTestCredentials.merchantKey);
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: saltTextField,
decoration: const InputDecoration(
labelText: 'Salt ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.merchantSalt =
saltTextField.text;
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: bankCodeForNBTextField,
decoration: const InputDecoration(
labelText: 'bankCodeForNB ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.bankCodeForNB =
bankCodeForNBTextField.text;
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Flexible(
child: Container(
margin: const EdgeInsets.only(
top: 10.0, bottom: 10.0),
height: 50,
child: TextField(
controller: bankCodeForNBTPVTextField,
decoration: const InputDecoration(
labelText: 'bankCodeForNBTPV ',
contentPadding: EdgeInsets.all(8),
border: OutlineInputBorder(),
),
style: Theme.of(context).textTheme.bodyText1,
onChanged: (content) {
PayUTestCredentials.bankCodeForNBTPV =
bankCodeForNBTPVTextField.text;
},
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
child: const Text("Pay Via CC"),
onPressed: () {
payViaCC();
},
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
child: const Text("Pay Via NB"),
onPressed: () {
payViaNB();
},
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
child: const Text("Pay Via TPV NB"),
onPressed: () {
payViaTPVNB();
},
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
child: const Text("Pay via Wallet"),
onPressed: () {
payViaWallet();
},
),
],
),
]))),
),
);
}
showAlertDialog(BuildContext context, String title, String content) {
Widget okButton = TextButton(
child: const Text("OK"),
onPressed: () {
Navigator.pop(context);
},
);
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: Text(title),
content: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: Text(content),
),
actions: [okButton],
);
});
}
payViaCC() async {
var params = PayUParams.createCCParams();
var data = await payUCustomBrowserFlutterPlugin.openCB(params: params);
showAlertDialog(context, "CARDS", "$data");
}
payViaNB() async {
var params = PayUParams.createPayUPaymentParams(
PayUTestCredentials.bankCodeForNB, "NB");
params["user_credentials"] = PayUTestCredentials.userCredential;
var data = await payUCustomBrowserFlutterPlugin.openCB(params: params);
showAlertDialog(context, "Net Banking", "$data");
}
payViaTPVNB() async {
var params = PayUParams.createTPVPayUPaymentParams(
PayUTestCredentials.bankCodeForNBTPV, "NB");
var data = await payUCustomBrowserFlutterPlugin.openCB(params: params);
showAlertDialog(context, "Net Banking TPV", "$data");
}
payViaWallet() async {
var params = PayUParams.createPayUPaymentParams(
PayUTestCredentials.walletId, "CASH");
var data = await payUCustomBrowserFlutterPlugin.openCB(params: params);
print("payViaWallet response $data");
showAlertDialog(context, "payViaWallet", "$data");
}
@override
onPayUCBResponse(Map response) {
String eventType = response[PayUEventType.eventType];
switch(eventType) {
case PayUEventType.onPaymentSuccess: {
String eventResponse = parsePayUResponse(response);
showAlertDialog(context,PayUEventType.onPaymentSuccess,eventResponse);
}
break;
case PayUEventType.onPaymentFailure: {
String eventResponse = parsePayUResponse(response);
showAlertDialog(context,PayUEventType.onPaymentFailure,eventResponse);
}
break;
case PayUEventType.onBackButton: {
String eventResponse = parsePayUResponse(response);
showAlertDialog(context,PayUEventType.onBackButton,eventResponse);
}
break;
case PayUEventType.onPaymentTerminate:
{
String eventResponse = parsePayUResponse(response);
showAlertDialog(context,PayUEventType.onPaymentTerminate,eventResponse);
}
break;
default: {
showAlertDialog(context,PayUEventType.invalidEvent,"");
}
break;
}
}
String parsePayUResponse(Map response){
var eventResponse = response[PayUEventType.eventResponse];
return eventResponse != null ? eventResponse.toString() : "";
}
}
class PayUTestCredentials {
static String merchantKey = ""; //TODO: Add Merchant Key
static String merchantSalt = ""; //TODO: Keep salt in your backend.
static const sUrl = "https://cbjs.payu.in/sdk/success"; //TODO: Add Success URL.
static const fUrl = "https://cbjs.payu.in/sdk/failure"; //TODO: Add Failure URL.
static const udf1 = "udf1";
static const udf2 = "udf2";
static const udf3 = "udf3";
static const udf4 = "udf4";
static const udf5 = "udf5";
static const amount = "1";
static const productInfo = "Info";
static const firstName = "Abc";
static const email = "test@gmail.com";
static const phone = "9999999999";
static const _paymentUrl =
"https://secure.payu.in/_payment"; //'https://test.payu.in/_payment';
static String bankCodeForNB = '';
static String bankCodeForNBTPV = "";//"AXNBTPV";
static String accountNumber = "";
static String accountIFSC = "";
static String userCredential = "";
static const walletId = 'AMON';
static const ccnum = '00000000000000';
static const cvv = '000';
static const ccexpyr = '2023';
static const ccexpmon = '11';
static const ccname = 'PayuUser';
static var siParams = {
PayUSIParamsKeys.beneficiarydetail: {
PayUSIBeneDetailsKeys.beneficiaryAccountNumber:
PayUTestCredentials.accountNumber,
PayUSIBeneDetailsKeys.beneficiary_ifsc:
PayUTestCredentials.accountIFSC,
PayUSIBeneDetailsKeys.beneficiaryName: 'Name',
PayUSIBeneDetailsKeys.beneficiaryAccountType:
"0" // 1 for CURRENT ,0 for Saving
},
PayUPaymentParamKey.si_details: {
PayUSIParamsKeys.billingAmount: "1.00",
PayUSIParamsKeys.billingCurrency: "INR",
PayUSIParamsKeys.billingCycle:
"DAILY", // YEARLY | MONTHLY | WEEKLY | DAILY | ONCE | ADHOC
PayUSIParamsKeys.billingInterval: "1",
PayUSIParamsKeys.paymentEndDate: "2023-12-12", // YYYY-MM-DD
PayUSIParamsKeys.paymentStartDate: "2022-12-12" // YYYY-MM-DD
},
PayUSIParamsKeys.cc_card_type: "VISA",
PayUSIParamsKeys.cc_category: "CC", // DC | CC
PayUSIParamsKeys.is_free_trial: "0", // 1 | 0 (true | false)
PayUSIParamsKeys.si: "1"
};
}
//Pass these values from your app to SDK, this data is only for test purpose
class PayUParams {
//Don't use this method get the hash from your backend.
static Map createCCParams() {
var params = PayUParams.createPayUPaymentParams("CC", "CC");
params["user_credentials"] = PayUTestCredentials.userCredential;
var cbConfig = params["cb_config"];
cbConfig["post_data"] = cbConfig["post_data"] +
"&ccnum=" +
PayUTestCredentials.ccnum +
"&ccvv=" +
PayUTestCredentials.cvv +
"&ccexpyr=" +
PayUTestCredentials.ccexpyr +
"&ccexpmon=" +
PayUTestCredentials.ccexpmon +
"&ccname=" +
PayUTestCredentials.ccname;
params["cb_config"] = cbConfig;
//bool isHash = true;
// if (isHash){
// params["hashes"]["payment"] = HashService.getSIHash(PayUTestCredentials.siParams);
// }
// params[PayUPaymentParamKey.si_params] = PayUTestCredentials.siParams;
return params;
}
static Map createTPVPayUPaymentParams(String bankCode, String paymentMode) {
var txnId = DateTime.now().millisecondsSinceEpoch.toString(); //"1695658018703"
var paymentHash = HashService.getTPVPaymentHash(txnId);
var postData = getTPVPostData(txnId,paymentHash,paymentMode,bankCode) + "&beneficiarydetail=" + HashService.beneficiaryDetail();
var payUPaymentParams = createCommonPayUPaymentParams(txnId,paymentMode,postData);
payUPaymentParams[PayUPaymentParamKey.beneficiaryAccountNumber] =
PayUTestCredentials.accountNumber;
payUPaymentParams[PayUPaymentParamKey.ifscCode] = PayUTestCredentials.accountIFSC;
// payUPaymentParams[PayUPaymentParamKey.user_credentials] = PayUTestCredentials.userCredential;
return payUPaymentParams;
}
static Map createPayUPaymentParams(String bankCode, String paymentMode) {
var txnId = DateTime.now().millisecondsSinceEpoch.toString();
var paymentHash = HashService.getPaymentHash(txnId);
var postData = getPostData(txnId,paymentHash,paymentMode,bankCode);
var payUPaymentParams = createCommonPayUPaymentParams(txnId,paymentMode,postData);
return payUPaymentParams;
}
static Map createCommonPayUPaymentParams(String txnId,String paymentMode,String postData) {
var payUPaymentParams = {
PayUPaymentParamKey.key: PayUTestCredentials.merchantKey,
PayUPaymentParamKey.transaction_id: txnId,
PayUPaymentParamKey.amount: PayUTestCredentials.amount,
PayUPaymentParamKey.surl: PayUTestCredentials.sUrl,
PayUPaymentParamKey.furl: PayUTestCredentials.fUrl,
PayUPaymentParamKey.product_info: PayUTestCredentials.productInfo,
PayUPaymentParamKey.cb_config: {
PayUPaymentParamKey.first_name: PayUTestCredentials.firstName,
PayUPaymentParamKey.email: PayUTestCredentials.email,
PayUPaymentParamKey.phone: PayUTestCredentials.phone,
PayUCBCOnfigKeys.url: PayUTestCredentials._paymentUrl,
PayUCBCOnfigKeys.payment_type: paymentMode,
PayUCBCOnfigKeys.auto_approve: true,
PayUCBCOnfigKeys.auto_select_otp: "1",
// PayUCBCOnfigKeys.html_data:getHTMLData(),
PayUCBCOnfigKeys.merchant_response_timeout: 7,
PayUCBCOnfigKeys.post_data : postData,
}
};
print("PayU SDK $payUPaymentParams");
return payUPaymentParams;
}
static String getHTMLData(){
return "<html><body><form name=\"payment_post\" id=\"payment_post\" action=\"https://acssimuat.payubiz.in/pg/axis/axishome\" method=\"post\"><input type=\"hidden\" name=\"vpc_AccessCode\" value=\"9B23BD57\"><input type=\"hidden\" name=\"vpc_Amount\" value=\"100\"><input type=\"hidden\" name=\"vpc_CardExp\" value=\"3412\"><input type=\"hidden\" name=\"vpc_CardNum\" value=\"4111111111111111\"><input type=\"hidden\" name=\"vpc_CardSecurityCode\" value=\"123\"><input type=\"hidden\" name=\"vpc_Command\" value=\"pay\"><input type=\"hidden\" name=\"vpc_Currency\" value=\"INR\"><input type=\"hidden\" name=\"vpc_Gateway\" value=\"ssl\"><input type=\"hidden\" name=\"vpc_MerchTxnRef\" value=\"403993715527771141\"><input type=\"hidden\" name=\"vpc_Merchant\" value=\"IBIBOWEB\"><input type=\"hidden\" name=\"vpc_OrderInfo\" value=\"Nokia\"><input type=\"hidden\" name=\"vpc_ReturnURL\" value=\"https://test.payu.in/89ef813898df19dfef97178eb9d4300edf9e891581fb12cda66f7c9c126070ca/_axis_response.php\"><input type=\"hidden\" name=\"vpc_Version\" value=\"1\"><input type=\"hidden\" name=\"vpc_card\" value=\"Visa\"><input type=\"hidden\" name=\"vpc_SecureHash\" value=\"12F1D571CB679EAB269AF7BC1D565A9DC833F370B60CE36D868FC7856132F039\"><input type=\"hidden\" name=\"vpc_SecureHashType\" value=\"SHA256\"><input type=\"hidden\" name=\"Title\" value=\"MIGS 2.5 Party Transaction\"></form><script type=\'text/javascript\'>\n window.onload=function(){\n document.forms[\'payment_post\'].submit();\n }\n </script></body></html>";
}
static String getTPVPostData(String txnId, String paymentHash, String paymentMode, String bankCode){
var postData = "${getPostData(txnId,paymentHash,paymentMode,bankCode)}&api_version=6";
return postData;
}
static String getPostData(String txnId, String paymentHash, String paymentMode, String bankCode){
var postData = "device_type=1&key=${Uri.encodeFull(PayUTestCredentials.merchantKey)}&txnid=${Uri.encodeFull(txnId)}&amount=${Uri.encodeFull(PayUTestCredentials.amount)}&productinfo=${Uri.encodeFull(PayUTestCredentials.productInfo)}&firstname=${Uri.encodeFull(PayUTestCredentials.firstName)}&email=${Uri.encodeFull(PayUTestCredentials.email)}&surl=${Uri.encodeFull(PayUTestCredentials.sUrl)}&furl=${Uri.encodeFull(PayUTestCredentials.fUrl)}&hash=${Uri.encodeFull(paymentHash)}&udf1=udf1&udf2=udf2&udf3=udf3&udf4=udf4&udf5=udf5&phone=${Uri.encodeFull(PayUTestCredentials.phone)}&pg=${Uri.encodeFull(paymentMode)}&bankcode=${Uri.encodeFull(bankCode)}";
return postData;
}
}
class HashService{
static String getPaymentHash(String txnId) {
var paymentHash = HashService.calculateHash(
'${HashService.paymentHashString(txnId)}|${PayUTestCredentials.merchantSalt}');
return paymentHash;
}
static String getTPVPaymentHash(String txnId) {
var paymentHash = HashService.calculateHash(
'${paymentHashString(txnId)}|${beneficiaryDetail()}|${PayUTestCredentials.merchantSalt}');
return paymentHash;
}
static String getSIHash(Map siParams) {
var txnId = DateTime.now().millisecondsSinceEpoch.toString();
String hashString = '${HashService.paymentHashString(txnId)}|${PayUTestCredentials.merchantSalt}';
// String hashString = '${HashService.paymentHashString(txnId)}|${JSON.stringify(si_details)}|${PayUTestCredentials.merchantSalt}'
var paymentHash = HashService.calculateHash(hashString);
return paymentHash;
}
static String beneficiaryDetail() {
var ifscStr = ",\"ifscCode\":\"${PayUTestCredentials.accountIFSC}\"";
var beneficiaryDetail = "{\"beneficiaryAccountNumber\":\"${PayUTestCredentials.accountNumber}\"$ifscStr}";
return beneficiaryDetail;
}
static String paymentHashString(String txnId){
var hashString = '${PayUTestCredentials.merchantKey}|$txnId|${PayUTestCredentials.amount}|${PayUTestCredentials.productInfo}|${PayUTestCredentials.firstName}|${PayUTestCredentials.email}|${PayUTestCredentials.udf1}|${PayUTestCredentials.udf2}|${PayUTestCredentials.udf3}|${PayUTestCredentials.udf4}|${PayUTestCredentials.udf5}|||||';
return hashString;
}
static String calculateHash(String hashString) {
print("flutter hash Stirng $hashString");
var bytes = utf8.encode(hashString); // data being hashed
var hash = sha512.convert(bytes);
print("flutter hashData $hash");
return hash.toString();
}
}Metadata
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Metadata
The PayU Custom Browser for Flutter provides a optimized solution for Flutter App to open bank pages, Otp Auto read and submit. The PayU Custom Browser allows you to integrate with the PayU PG with minimal integration effort to accept faster payments. This will support both iOS and Android.
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, plugin_platform_interface
