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<?php
class Espay extends AbstractPaymentGateway
{
public $key;
protected $password;
protected $signaturekey;
protected $invoice;
protected $payment_method = 'ESPAY';
public $signature_js;
protected $signature_js_sandbox = "https://sandbox-kit.espay.id/public/signature/js";
protected $signature_js_production = "https://kit.espay.id/public/signature/js";
private $bypassValidation = false;
protected $rest_merchantinfo_url = "http://116.90.162.170:10809/rest/merchant/merchantinfo";
public function __construct()
{
// Your Credentials provided by Espay Team
$this->password = MasterSetting::get('ESPAY_PASSWORD');
$this->signaturekey = MasterSetting::get('ESPAY_SIGNATUREKEY');
$this->key = MasterSetting::get('ESPAY_KEY');
$this->signature_js = $this->signature_js_production;
$this->payment_currency = "IDR"; // or USD
}
public function sandbox()
{
// $this->bypassValidation = true;
$this->signature_js = $this->signature_js_sandbox;
return $this;
}
// public function setInvoice(Invoice $invoice)
// {
// $this->invoice = $invoice;
// }
public function paymentParam($args)
{
// if (!$this->invoice->id) {
// return ['error' => 'Invoice Not Found'];
// }
// vdump($this->invoice->id, $args['invoice_id']);
global $site_info;
return [
'paymentId' => $this->invoice->id ?: $args['invoice_id'],
'key' => $this->key,
'backUrl' => "{$site_info['url']}/espay/ConfirmOrder.php",
// 'display' => 'select', // select, tab, radio
'bankCode' => '008',
'bankProduct' => 'MANDIRIIB',
];
}
protected function generateCustomizedData($payment_method)
{
$data = [];
return $data;
}
public function getMerchantinfo()
{
$products_json = self::_excute($this->rest_merchantinfo_url, "key={$this->key}");
$products = json_decode($products_json);
return $products;
}
public function paymentVerify($data, &$messages = array())
{
// maybe move validate password, signature, invoice here
}
// the string will have to be converted to UPPERCASE before hashing is done.
protected function sign($arg)
{
return hash('sha256', strtoupper($arg));
}
protected function validatePassword($password)
{
// vdump("pw = {$this->password}", $password);
if ($this->bypassValidation) {
return true;
}
return ($password == $this->password);
}
protected function validateSignature($data, $signature)
{
// vdump("data = {$data}", $this->sign($data));
if ($this->bypassValidation) {
return true;
}
return ($signature == $this->sign($data));
}
protected function processInquiry($request)
{
$signatureFromEspay = (!empty($request['signature']) ? $request['signature'] : '');
$rq_datetime = (!empty($request['rq_datetime']) ? $request['rq_datetime'] : '');
$order_id = (!empty($request['order_id']) ? $request['order_id'] : '');
$passwordServer = (!empty($request['password']) ? $request['password'] : '');
$data = "##{$this->signaturekey}##{$rq_datetime}##{$order_id}##INQUIRY##";
if (!$this->validatePassword($passwordServer)) {
$response = '1;Merchant Failed to Identified;;;;;';
return $response;
}
if (!$this->validateSignature($data, $signatureFromEspay)) {
$response = '1;Invalid Signature Key;;;;;';
return $response;
}
$invoice = Invoice::find($order_id);
if (!$invoice->id) {
$response = '1;Order Id Does Not Exist;;;;;'; // if order id not exist show plain reponse
return $response;
}
// if order id truly exist get order detail from database
// and give the response, format: error_code;error_message;order_id;amount;ccy;description;trx_date
// convert amount to IDR
$amount = get_currency_price($invoice->amount, null, $this->payment_currency, 3);
// vdump($invoice);
if (count($invoice->invoiceItems) == 1) {
$payment_description = "[Buyer]: {$invoice->customer->fullname('en')}. <br/>[Seller]: {$invoice->invoiceItems->first()->invoiceable->orderItem->supplier->name_en}. <br/>[Order]: {$invoice->code}";
} else {
$payment_description = "Payment Order {$invoice->code} by {$invoice->customer->fullname('en')}";
}
// show response
// see TSD for more detail
// required to change tx time to indonesia timezone?
$response = '0;Success;' . $order_id . ';' . $amount . ';' . $this->payment_currency . ';' . str_replace(';', '.', $payment_description) . ';' . date('Y/m/d H:i:s') . '';
return $response;
}
protected function processPaymentReport($request)
{
$signatureFromEspay = (!empty($request['signature']) ? $request['signature'] : '');
$rq_datetime = (!empty($request['rq_datetime']) ? $request['rq_datetime'] : '');
$member_id = (!empty($request['member_id']) ? $request['member_id'] : '');
$order_id = (!empty($request['order_id']) ? $request['order_id'] : '');
$passwordServer = (!empty($request['password']) ? $request['password'] : '');
$debit_from = (!empty($request['debit_from']) ? $request['debit_from'] : '');
$credit_to = (!empty($request['credit_to']) ? $request['credit_to'] : '');
$product = (!empty($request['product_code']) ? $request['product_code'] : '');
$paidAmount = (!empty($request['amount']) ? $request['amount'] : '');
$paymentfee = (!empty($request['payment_fee']) ? $request['payment_fee'] : 0);
$payment_ref = (!empty($request['payment_ref']) ? $request['payment_ref'] : '');
$data = "##{$this->signaturekey}##{$rq_datetime}##{$order_id}##PAYMENTREPORT##";
// exit("data = {$data}");
if (!$this->validatePassword($passwordServer)) {
$response = '1;Merchant Failed to Identified;;;;;';
return $response;
}
if (!$this->validateSignature($data, $signatureFromEspay)) {
$response = '1;Invalid Signature Key;;;;;';
return $response;
}
$invoice = Invoice::find($order_id);
if (!$invoice->id) {
$response = '1;Order Id Does Not Exist;;;;;'; // if order id not exist show plain reponse
return $response;
}
// vdump($invoice);
$paymentRecord = PaymentRecord::create([
'payment_type' => 'ESPAY',
'payment_method' => $this->payment_method,
'code' => $payment_ref,
'session_id' => session_id(),
'order_id' => $invoice->order_id,
'invoice_id' => $invoice->id,
'payable_type' => 'Invoice',
'payable_id' => $invoice->id,
'currency_code' => $request['ccy'],
'currency_rate' => get_currency_rate(0, $request['ccy'])['rate'] ?: 1,
'amount' => $paidAmount,
'status' => 'PAID',
'nvpstr' => json_encode($request),
'nvpstr2' => $request['message'],
'paystatus' => 1,
]);
// Flag your transaction to be success here
// same as paymentVerify()
// update order, invoice and payment status
try {
$postData = [
'currency_code' => $this->payment_currency,
'currency_rate' => get_currency_rate(false, $this->payment_currency)['rate'],
];
$invoiceConfirmResponse = $invoice->confirm($postData);
$response = '0,Success,' . $paymentRecord->id . ',' . $order_id . ',' . date('Y-m-d H:i:s') . '';
} catch (OrderNumberException $e) {
vdump('error: ' . $e->getMessage());
$response = '1;Unable to complete the order ' . $e->getMessage() . ';;;;;'; //
} catch (InvoiceAlreadyCompletedException $e){
http_response_code(406); // not acceptable
$response = '1;Unable to complete the order ' . $e->getMessage() . ';;;;;'; //
}
// dq(1,1);
// if done, show the response, format: success_flag,error message,reconcile_id, order_id,reconcile_datetime
return $response;
}
// http://localhost/b2b2c/html/espay/api.php?action=INQUIRY
// http://localhost/b2b2c/html/espay/api.php?action=PAYMENTREPORT
public function processNotification($request)
{
$apiLog = ApiLog::create([
'type' => get_class($this),
'endpoint' => "{$_SERVER['REQUEST_URI']}",
'request' => $request,
// 'response' => $response,
// 'status' => substr($response, 0, 1),
'desc_en' => json_encode($_SERVER, JSON_PRETTY_PRINT),
]);
switch ($request['action']) {
case 'INQUIRY':
$response = $this->processInquiry($request);
break;
case 'PAYMENTREPORT':
$response = $this->processPaymentReport($request);
break;
default:
$response = "1,Unexpected API: {$request['action']}";
// exit("Unexpected API: {$request['action']}");
break;
}
$apiLog->fill([
'response' => $response,
'status' => substr($response, 0, 1),
])->save();
return $response;
}
protected static function _excute($endpoint, $param)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $endpoint);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
curl_setopt($ch, CURLOPT_HEADER, false);
//curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
//curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
//NOTE: skip SSL certificate verification (this allows sending request to hosts with self signed certificates, but reduces security)
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
//enable ssl version 3
//this is added because mandiri ecash case that ssl version that have been not supported before
curl_setopt($ch, CURLOPT_SSLVERSION, 1);
curl_setopt($ch, CURLOPT_VERBOSE, true);
//save to temporary file (php built in stream), cannot save to php://memory
// $verbose = fopen('php://temp', 'rw+');
// curl_setopt($ch, CURLOPT_STDERR, $verbose);
// curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); //use http 1.1
$output = curl_exec($ch);
curl_close($ch);
// $output = self::_xml_pre_process($output);
ApiLog::create([
'type' => get_class($this),
'endpoint' => $endpoint,
'request' => $param,
'response' => $output,
// 'status' => $output_obj->status ?: $output_obj->pstatus,
]);
return $output;
}
// public static function resolve_pstatus($v_pstatus, $translation_fn=false){
// switch ($v_pstatus) {
// case '':
// case '0':
// $description = "Not paid";
// break;
// case '1':
// case '20':
// $description = "Paid";
// break;
// case '2':
// $description = "Not confirmed Payment";
// break;
// case '3':
// case '30':
// $description = "Rejected Payment";
// break;
// case '4':
// $description = "Refund in progress";
// break;
// case '5':
// $description = "Refund is completed";
// break;
// case '6':
// $description = "Fail to refund";
// break;
// case '7':
// $description = "Card holder rejected";
// break;
// case '8':
// $description = "Abnormal refund";
// break;
// default:
// $description = "Invalid";
// break;
// }
// return is_callable($translation_fn) ? call_user_func($translation_fn, $description) : $description;
// }
}
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