Bkash Payment Gateway for PHP/Laravel Framework

Features

This is a php/laravel wrapper package for Bkash

Requirements

• PHP >=7.4
• Laravel >= 6

Installation

composer require karim007/laravel-bkash

vendor publish (config)

php artisan vendor:publish --provider="Karim007\LaravelBkash\BkashServiceProvider"

After publish config file setup your credential. you can see this in your config directory bkash.php file

"sandbox"         => env("BKASH_SANDBOX", true),
"bkash_app_key"     => env("BKASH_APP_KEY", "5nej5keguopj928ekcj3dne8p"),
"bkash_app_secret" => env("BKASH_APP_SECRET", "1honf6u1c56mqcivtc9ffl960slp4v2756jle5925nbooa46ch62"),
"bkash_username"      => env("BKASH_USERNAME", "testdemo"),
"bkash_password"     => env("BKASH_PASSWORD", "test%#de23@msdao"),
"callbackURL"     => env("BKASH_CALLBACK_URL", "http://127.0.0.1:8000"),
'timezone'        => 'Asia/Dhaka', 

Set .env configuration

BKASH_SANDBOX=true  #for production use false
BKASH_APP_KEY=""
BKASH_APP_SECRET=""
BKASH_USERNAME=""
BKASH_PASSWORD=""
BKASH_CALLBACK_URL=""

Usage

1. create a controller

php artisan make:controller BkashPaymentController

2. you can override the routes (routes must be in authenticate bkash prefer it)

Route::group(['middleware' => ['auth']], function () {

    // Payment Routes for bKash
    Route::get('/bkash/payment', [BkashPaymentController::class,'index']);
    Route::post('/bkash/get-token', [BkashPaymentController::class,'getToken'])->name('bkash-get-token');
    Route::post('/bkash/create-payment', [BkashPaymentController::class,'createPayment'])->name('bkash-create-payment');
    Route::post('/bkash/execute-payment', [BkashPaymentController::class,'executePayment'])->name('bkash-execute-payment');
    Route::get('/bkash/query-payment', [BkashPaymentController::class,'queryPayment'])->name('bkash-query-payment');
    Route::post('/bkash/success', [BkashPaymentController::class,'bkashSuccess'])->name('bkash-success');

    // Refund Routes for bKash
    Route::get('/bkash/refund', [BkashPaymentController::class,'refundPage'])->name('bkash-refund');
    Route::post('/bkash/refund', [BkashPaymentController::class,'refund'])->name('bkash-refund');

});

3. you can also override the methods

must be included in your controller

use Karim007\LaravelBkash\Facade\BkashPayment;
use Karim007\LaravelBkash\Facade\BkashRefund;

4. payment page

public function index()
{
    return view('bkash::bkash-payment');
}

4. grand token get

public function getToken()
{
    session()->put('invoice_amount',100);
    return BkashPayment::getToken();
}

4. create payment

public function createPayment(Request $request)
{
    $request['intent'] = 'sale';
    $request['currency'] = 'BDT';
    $request['amount'] = session()->get('invoice_amount') ??100;
    $request['merchantInvoiceNumber'] = rand();
    $request['callbackURL'] = config("bkash.callbackURL");;

    $request_data_json = json_encode($request->all());

    return BkashPayment::cPayment($request_data_json);
}

5. execute payment

public function executePayment(Request $request)
{
    $paymentID = $request->paymentID;
    return BkashPayment::executePayment($paymentID);
}

6. query payment

public function queryPayment(Request $request)
{
    $paymentID = $request->payment_info['payment_id'];
    return BkashPayment::queryPayment($paymentID);
}

7. success

public function bkashSuccess(Request $request)
{
    $pay_success = $request->payment_info['transactionStatus'];
    return BkashPayment::bkashSuccess($pay_success);
}

8. refundPage

public function refundPage()
{
    return BkashRefund::index();
}

9. refund

public function refund(Request $request)
{
    $this->validate($request, [
        'payment_id' => 'required',
        'amount' => 'required',
        'trx_id' => 'required',
        'sku' => 'required|max:255',
        'reason' => 'required|max:255'
    ]);

    $post_fields = [
        'paymentID' => $request->payment_id,
        'amount' => $request->amount,
        'trxID' => $request->trx_id,
        'sku' => $request->sku,
        'reason' => $request->reason,
    ];
    return BkashRefund::refund($post_fields);
}

Required APIs

0. Developer Portal (detail Product, workflow, API information): https://developer.bka.sh/docs/checkout-process-overview
1. Grant Token : https://developer.bka.sh/v1.2.0-beta/reference#gettokenusingpost
2. Create Payment : https://developer.bka.sh/v1.2.0-beta/reference#createpaymentusingpost
3. Execute Payment : https://developer.bka.sh/v1.2.0-beta/reference#executepaymentusingpost
4. Query Payment : https://developer.bka.sh/v1.2.0-beta/reference#querypaymentusingget
5. Search Transaction Details : https://developer.bka.sh/v1.2.0-beta/reference#searchtransactionusingget

Checkout Demo

1. Go to https://merchantdemo.sandbox.bka.sh/frontend/checkout/version/1.2.0-beta
2. Wallet Number: 01770618575
3. OTP: 123456
4. Pin: 12121

Contributions to the Bkash Payment Gateway package are welcome. Please note the following guidelines before submitting your pull request.

• Follow PSR-4 coding standards.
• Read Nagad API documentations first. Please contact with Nagad for their api documentation and sandbox access.

License

This repository is licensed under the MIT License.

Copyright 2022 md abdul karim. We are not affiliated with Nagad and don't give any guarantee.