ok
Mini Shell
<?php
namespace App\Http\Controllers;
use App\CPU\CartManager;
use App\CPU\Helpers;
use App\CPU\OrderManager;
use App\Model\Order;
use Brian2694\Toastr\Facades\Toastr;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Config;
class PaytmController extends Controller
{
function encrypt_e($input, $ky)
{
$key = html_entity_decode($ky);
$iv = "@@@@&&&&####$$$$";
$data = openssl_encrypt($input, "AES-128-CBC", $key, 0, $iv);
return $data;
}
function decrypt_e($crypt, $ky)
{
$key = html_entity_decode($ky);
$iv = "@@@@&&&&####$$$$";
$data = openssl_decrypt($crypt, "AES-128-CBC", $key, 0, $iv);
return $data;
}
function generateSalt_e($length)
{
$random = "";
srand((double)microtime() * 1000000);
$data = "AbcDE123IJKLMN67QRSTUVWXYZ";
$data .= "aBCdefghijklmn123opq45rs67tuv89wxyz";
$data .= "0FGH45OP89";
for ($i = 0; $i < $length; $i++) {
$random .= substr($data, (rand() % (strlen($data))), 1);
}
return $random;
}
function checkString_e($value)
{
if ($value == 'null')
$value = '';
return $value;
}
function getChecksumFromArray($arrayList, $key, $sort = 1)
{
if ($sort != 0) {
ksort($arrayList);
}
$str = $this->getArray2Str($arrayList);
$salt = $this->generateSalt_e(4);
$finalString = $str . "|" . $salt;
$hash = hash("sha256", $finalString);
$hashString = $hash . $salt;
$checksum = $this->encrypt_e($hashString, $key);
return $checksum;
}
function getChecksumFromString($str, $key)
{
$salt = $this->generateSalt_e(4);
$finalString = $str . "|" . $salt;
$hash = hash("sha256", $finalString);
$hashString = $hash . $salt;
$checksum = $this->encrypt_e($hashString, $key);
return $checksum;
}
function verifychecksum_e($arrayList, $key, $checksumvalue)
{
$arrayList = $this->removeCheckSumParam($arrayList);
ksort($arrayList);
$str = $this->getArray2StrForVerify($arrayList);
$paytm_hash = $this->decrypt_e($checksumvalue, $key);
$salt = substr($paytm_hash, -4);
$finalString = $str . "|" . $salt;
$website_hash = hash("sha256", $finalString);
$website_hash .= $salt;
$validFlag = "FALSE";
if ($website_hash == $paytm_hash) {
$validFlag = "TRUE";
} else {
$validFlag = "FALSE";
}
return $validFlag;
}
function verifychecksum_eFromStr($str, $key, $checksumvalue)
{
$paytm_hash = $this->decrypt_e($checksumvalue, $key);
$salt = substr($paytm_hash, -4);
$finalString = $str . "|" . $salt;
$website_hash = hash("sha256", $finalString);
$website_hash .= $salt;
$validFlag = "FALSE";
if ($website_hash == $paytm_hash) {
$validFlag = "TRUE";
} else {
$validFlag = "FALSE";
}
return $validFlag;
}
function getArray2Str($arrayList)
{
$findme = 'REFUND';
$findmepipe = '|';
$paramStr = "";
$flag = 1;
foreach ($arrayList as $key => $value) {
$pos = strpos($value, $findme);
$pospipe = strpos($value, $findmepipe);
if ($pos !== false || $pospipe !== false) {
continue;
}
if ($flag) {
$paramStr .= $this->checkString_e($value);
$flag = 0;
} else {
$paramStr .= "|" . $this->checkString_e($value);
}
}
return $paramStr;
}
function getArray2StrForVerify($arrayList)
{
$paramStr = "";
$flag = 1;
foreach ($arrayList as $key => $value) {
if ($flag) {
$paramStr .= $this->checkString_e($value);
$flag = 0;
} else {
$paramStr .= "|" . $this->checkString_e($value);
}
}
return $paramStr;
}
function redirect2PG($paramList, $key)
{
$hashString = $this->getchecksumFromArray($paramList);
$checksum = $this->encrypt_e($hashString, $key);
}
function removeCheckSumParam($arrayList)
{
if (isset($arrayList["CHECKSUMHASH"])) {
unset($arrayList["CHECKSUMHASH"]);
}
return $arrayList;
}
function getTxnStatus($requestParamList)
{
return $this->callAPI("PAYTM_STATUS_QUERY_URL", $requestParamList);
}
function getTxnStatusNew($requestParamList)
{
return $this->callNewAPI("PAYTM_STATUS_QUERY_NEW_URL", $requestParamList);
}
function initiateTxnRefund($requestParamList)
{
$CHECKSUM = $this->getRefundChecksumFromArray($requestParamList, "PAYTM_MERCHANT_KEY", 0);
$requestParamList["CHECKSUM"] = $CHECKSUM;
return $this->callAPI("PAYTM_REFUND_URL", $requestParamList);
}
function callAPI($apiURL, $requestParamList)
{
$jsonResponse = "";
$responseParamList = array();
$JsonData = json_encode($requestParamList);
$postData = 'JsonData=' . urlencode($JsonData);
$ch = curl_init($apiURL);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
'Content-Length: ' . strlen($postData))
);
$jsonResponse = curl_exec($ch);
$responseParamList = json_decode($jsonResponse, true);
return $responseParamList;
}
function callNewAPI($apiURL, $requestParamList)
{
$jsonResponse = "";
$responseParamList = array();
$JsonData = json_encode($requestParamList);
$postData = 'JsonData=' . urlencode($JsonData);
$ch = curl_init($apiURL);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
'Content-Length: ' . strlen($postData))
);
$jsonResponse = curl_exec($ch);
$responseParamList = json_decode($jsonResponse, true);
return $responseParamList;
}
function getRefundChecksumFromArray($arrayList, $key, $sort = 1)
{
if ($sort != 0) {
ksort($arrayList);
}
$str = $this->getRefundArray2Str($arrayList);
$salt = $this->generateSalt_e(4);
$finalString = $str . "|" . $salt;
$hash = hash("sha256", $finalString);
$hashString = $hash . $salt;
$checksum = $this->encrypt_e($hashString, $key);
return $checksum;
}
function getRefundArray2Str($arrayList)
{
$findmepipe = '|';
$paramStr = "";
$flag = 1;
foreach ($arrayList as $key => $value) {
$pospipe = strpos($value, $findmepipe);
if ($pospipe !== false) {
continue;
}
if ($flag) {
$paramStr .= $this->checkString_e($value);
$flag = 0;
} else {
$paramStr .= "|" . $this->checkString_e($value);
}
}
return $paramStr;
}
function callRefundAPI($refundApiURL, $requestParamList)
{
$jsonResponse = "";
$responseParamList = array();
$JsonData = json_encode($requestParamList);
$postData = 'JsonData=' . urlencode($JsonData);
$ch = curl_init($refundApiURL);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_URL, $refundApiURL);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$headers = array();
$headers[] = 'Content-Type: application/json';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$jsonResponse = curl_exec($ch);
$responseParamList = json_decode($jsonResponse, true);
return $responseParamList;
}
//payment functions
public function payment(Request $request)
{
$order_id = Order::orderBy('id', 'DESC')->first()->id ?? 100001;
$discount = session()->has('coupon_discount') ? session('coupon_discount') : 0;
$value = CartManager::cart_grand_total() - $discount;
$user = Helpers::get_customer();
$paramList = array();
$ORDER_ID = $order_id;
$CUST_ID = $user['id'];
$INDUSTRY_TYPE_ID = $request["INDUSTRY_TYPE_ID"];
$CHANNEL_ID = $request["CHANNEL_ID"];
$TXN_AMOUNT = round($value, 2);
// Create an array having all required parameters for creating checksum.
$paramList["MID"] = Config::get('config_paytm.PAYTM_MERCHANT_MID');
$paramList["ORDER_ID"] = $ORDER_ID;
$paramList["CUST_ID"] = $CUST_ID;
$paramList["INDUSTRY_TYPE_ID"] = $INDUSTRY_TYPE_ID;
$paramList["CHANNEL_ID"] = $CHANNEL_ID;
$paramList["TXN_AMOUNT"] = $TXN_AMOUNT;
$paramList["WEBSITE"] = Config::get('config_paytm.PAYTM_MERCHANT_WEBSITE');
$paramList["CALLBACK_URL"] = route('paytm-response');
$paramList["MSISDN"] = $user['phone']; //Mobile number of customer
$paramList["EMAIL"] = $user['email']; //Email ID of customer
$paramList["VERIFIED_BY"] = "EMAIL"; //
$paramList["IS_USER_VERIFIED"] = "YES"; //
//Here checksum string will return by getChecksumFromArray() function.
$checkSum = $this->getChecksumFromArray($paramList, Config::get('config_paytm.PAYTM_MERCHANT_KEY'));
return view('paytm-payment-view', compact('checkSum', 'paramList'));
}
public function callback(Request $request)
{
$paramList = $_POST;
$paytmChecksum = isset($_POST["CHECKSUMHASH"]) ? $_POST["CHECKSUMHASH"] : ""; //Sent by Paytm pg
//Verify all parameters received from Paytm pg to your application. Like MID received from paytm pg is same as your application’s MID, TXN_AMOUNT and ORDER_ID are same as what was sent by you to Paytm PG for initiating transaction etc.
$isValidChecksum = $this->verifychecksum_e($paramList, Config::get('config_paytm.PAYTM_MERCHANT_KEY'), $paytmChecksum); //will return TRUE or FALSE string.
if ($isValidChecksum == "TRUE") {
if ($request["STATUS"] == "TXN_SUCCESS") {
$unique_id = OrderManager::gen_unique_id();
$order_ids = [];
foreach (CartManager::get_cart_group_ids() as $group_id) {
$data = [
'payment_method' => 'paytm',
'order_status' => 'confirmed',
'payment_status' => 'paid',
'transaction_ref' => 'trx_' . $unique_id,
'order_group_id' => $unique_id,
'cart_group_id' => $group_id
];
$order_id = OrderManager::generate_order($data);
array_push($order_ids, $order_id);
}
if (session()->has('payment_mode') && session('payment_mode') == 'app') {
CartManager::cart_clean();
return redirect()->route('payment-success');
} else {
CartManager::cart_clean();
return view('web-views.checkout-complete');
}
}
}
if (session()->has('payment_mode') && session('payment_mode') == 'app') {
return redirect()->route('payment-fail');
}
Toastr::error('Payment process failed!');
return back();
}
}
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