Geidea HPP Checkout

function generateSignature($merchantPublicKey, $orderAmount, $orderCurrency, $orderMerchantReferenceId, $apiPassword, $timestamp)
{
    $amountStr = number_format($orderAmount, 2, '.', '');
    $data = "{$merchantPublicKey}{$amountStr}{$orderCurrency}{$orderMerchantReferenceId}{$timestamp}";
    $hash = hash_hmac('sha256', $data, $apiPassword, true);
    return base64_encode($hash);
}

static string GenerateSignature(Guid merchantPublicKey, decimal orderAmount, string orderCurrency, string? orderMerchantReferenceId, string apiPassword,string timeStamp)
{
    var amountStr = orderAmount.ToString("F2", CultureInfo.InvariantCulture);
    var data = $"{merchantPublicKey}{amountStr}{orderCurrency}{orderMerchantReferenceId}{timeStamp}";
		using var hmacSha256 = new HMACSHA256(Encoding.UTF8.GetBytes(apiPassword));
    var hash = hmacSha256.ComputeHash(Encoding.UTF8.GetBytes(data));
    return Convert.ToBase64String(hash);
 
}

curl --request POST \
     --url https://api.merchant.geidea.net/payment-intent/api/v2/direct/session \
     --header 'accept: application/json' \
     --header 'authorization: Basic YTA4N2Y0Y2EtOTg5MC00MDdiLTljMmYtNzYzMDgzNmNjMDIwOjI2ZDMxOTE3LTcxNWUtNDhhYy1iMDcyLWRhOTczODAxNmFmNQ==' \
     --header 'content-type: application/json' \
     --data '
{
  "amount": 100,
  "currency": "SAR",
  "timestamp": "3/18/2024 5:16:48 AM",
  "merchantReferenceId": "123",
  "signature": "30WUg04FbkvoV5VrEqMuBCqdMbGlFnB46j9GYVQeZEE=",
  "paymentOperation": "Pay",
  "appearance": {
    "showEmail": false,
    "showAddress": false,
    "showPhone": false,
    "receiptPage": true
  },
  "language": "en",
  "callbackUrl": "https://webhook.site/eb350004-1c84-48ef-8436-55c5a734cce4",
  "subscriptionId": "02ed462c-62fc-4692-41f0-08dc3cbb381c",
  "returnUrl": "https://www.geidea.net",
  "customer": {
    "email": "[email protected]",
    "phoneNumber": "+966511111111",
    "address": {
      "billing": {
        "country": "SAU",
        "city": "Riyadh",
        "street": "streetname",
        "postalCode": "12243"
      },
      "shipping": {
        "country": "SAU",
        "city": "Riyadh",
        "street": "streetname",
        "postalCode": "12243"
      }
    }
  },
  "cofAgreement": {
    "id": "test123",
    "type": "Unscheduled"
  },
  "paymentIntentId": "8f67f208-7a6d-4e5c-741e-08dc400e92f5",
  "cardOnFile": false
}
'

{
  "session": {
    "id": "ef3e527c-fe56-47e3-742a-08dc400e92f5",
    "amount": 100,
    "currency": "SAR",
    "callbackUrl": "https://webhook.site/eb350004-1c84-48ef-8436-55c5a734cce4",
    "returnUrl": "https://www.geidea.net",
    "expiryDate": "2024-03-18T14:27:55.7089662Z",
    "status": "Initiated",
    "merchantId": "e80ece7e-fb2a-4c0b-de94-08d8a29a107b",
    "merchantPublicKey": "a087f4ca-9890-407b-9c2f-7630836cc020",
    "language": "en",
    "merchantReferenceId": "123",
    "paymentIntentId": "8f67f208-7a6d-4e5c-741e-08dc400e92f5",
    "paymentOperation": "Pay",
    "cardOnFile": false,
    "cofAgreement": {
      "id": "test123",
      "type": "Unscheduled"
    },
    "initiatedBy": null,
    "tokenId": null,
    "customer": {
      "id": null,
      "referenceId": null,
      "create": false,
      "setDefaultMethod": false,
      "email": "[email protected]",
      "phoneNumber": "+966511111111",
      "address": {
        "billing": {
          "country": "SAU",
          "city": "Riyadh",
          "street": "streetname",
          "postalCode": "12243"
        },
        "shipping": {
          "country": "SAU",
          "city": "Riyadh",
          "street": "streetname",
          "postalCode": "12243"
        }
      }
    },
    "platform": {
      "name": null,
      "version": null,
      "pluginVersion": null,
      "partnerId": null
    },
    "paymentOptions": null,
    "recurrence": null,
    "order": null,
    "items": null,
    "appearance": {
      "merchant": {
        "name": null,
        "logoUrl": null
      },
      "showEmail": false,
      "showAddress": false,
      "showPhone": false,
      "receiptPage": true,
      "styles": {
        "headerColor": null,
        "hppProfile": null,
        "hideGeideaLogo": false
      },
      "uiMode": "modal"
    },
    "metadata": {
      "custom": null
    },
    "paymentMethod": {
      "cardNumber": null,
      "cardholderName": null,
      "cvv": null,
      "expiryDate": {
        "month": null,
        "year": null
      }
    },
    "subscription": null
  },
  "responseMessage": "Success",
  "detailedResponseMessage": "The operation was successful",
  "language": "EN",
  "responseCode": "000",
  "detailedResponseCode": "000"
}

<head>
  <!-- GeideaCheckout web script load section -->
  <script src="https://www.merchant.geidea.net/hpp/geideaCheckout.min.js"></script>
</head>

// initialize the payment object
const payment = new GeideaCheckout(onSuccess, onError, onCancel);

{
   "responseCode":"string",
   "responseMessage":"string",
   "detailResponseCode":"string",
   "detailResponseMessage":"string",
   "orderId":"GUID",
   "reference":"GUID"
}

// onSuccess function definition
let onSuccess = function(data) {
  alert("Success:" + "\n" +
  data.responseCode + "\n" +
  data.responseMessage + "\n" +
  data.detailResponseCode + "\n" +
  data.detailResponseMessage + "\n" +
  data.orderId + "\n" +
  data.reference);
}

// onError function definition
let onError = function(data) {
  alert("Error:" + "\n" +
  data.responseCode + "\n" +
  data.responseMessage + "\n" +
  data.detailResponseCode + "\n" +
  data.detailResponseMessage + "\n" +
  data.orderId + "\n" +
  data.reference);
}

//onCancel function definition
let onCancel = function(data) {
  alert("Cancel:" + "\n" +
  data.responseCode + "\n" +
  data.responseMessage + "\n" +
  data.detailResponseCode + "\n" +
  data.detailResponseMessage + "\n" +
  data.orderId + "\n" +
  data.reference);
}

// initialize the payment object
const payment = new GeideaCheckout(onSuccess, onError, onCancel);

// start the payment
payment.startPayment(sessionId);

<!DOCTYPE html>
<html>
<head>
	<title>Geidea Checkout Example</title>
	<script src="https://www.merchant.geidea.net/hpp/geideaCheckout.min.js"></script>
	<script>
		function createAndStartPayment() {
			// Create a new XMLHttpRequest object
			var xhr = new XMLHttpRequest();

			// Set up the request
			xhr.open('POST', 'create_session.php');
			xhr.setRequestHeader('Content-Type', 'application/json');

			// Set up a function to handle the response
			xhr.onload = function() {
				if (xhr.status === 200) {
					// Get the response text
					var response = xhr.responseText.trim();

					// Check if the response is empty or not
					if (response.length > 0) {
						// Start the payment with the session ID
						startPayment(response);
					} else {
						alert('Error: Empty response from server');
					}
				} else {
					alert('Error: ' + xhr.statusText);
				}
			};

			// Set up a function to handle network errors
			xhr.onerror = function() {
				alert('Error: Network Error');
			};

            // Send the request with the JSON string
            var data = {
                amount: 10.00,
                currency: "EGP",
                callbackUrl: "https://www.example.com/callback",
                merchantReferenceId: "ABC-123",
                language: "ar",
            };
            xhr.send(JSON.stringify(data));
		}

		function startPayment(sessionId) {
			// Initialize GeideaCheckout
			var payment = new GeideaCheckout(onSuccess, onError, onCancel);

			// Start the payment
			payment.startPayment(sessionId);
		}

		// Define the onSuccess function
		let onSuccess = function(data) {
			alert('Success:' + '\n' +
			data.responseCode + '\n' +
			data.responseMessage + '\n' +
			data.detailedResponseCode + '\n' +
			data.detailedResponseMessage + '\n' +
			data.orderId + '\n' +
			data.reference);
		};

        // Define the onError function
		let onError = function(data) {
			alert('Error:' + '\n' +
			data.responseCode + '\n' +
			data.responseMessage + '\n' +
			data.detailedResponseCode + '\n' +
			data.detailedResponseMessage + '\n' +
			data.orderId + '\n' +
			data.reference);
		};

		// Define the onCancel function
		let onCancel = function(data) {
			alert('Payment Cancelled:' + '\n' +
			data.responseCode + '\n' +
			data.responseMessage + '\n' +
			data.detailedResponseCode + '\n' +
			data.detailedResponseMessage + '\n' +
			data.orderId + '\n' +
			data.reference);
		};
	</script>
</head>
<body>
	<button onclick="createAndStartPayment()">Geidea Checkout</button>
</body>
</html>

<?php
// Replace with your actual merchant public key and API password
$merchantPublicKey = "Merchant Public Key";
$apiPassword = "API Password";

// Set the API endpoint URL
$url = "https://api.merchant.geidea.net/payment-intent/api/v2/direct/session";

// Retrieve the JSON string from the request body
$data = file_get_contents("php://input");

// Decode the JSON string into a PHP associative array
$data = json_decode($data, true);

// Access the values of the array
$orderAmount = $data["amount"];
$orderCurrency = $data["currency"];
$callbackUrl = $data["callbackUrl"];
$orderMerchantReferenceId = $data["merchantReferenceId"];
$language = $data["language"];
$date=new DateTime();
$timestamp = date_format($date,"Y/m/d H:i:s");

$signature = generateSignature($merchantPublicKey, $orderAmount, $orderCurrency, $orderMerchantReferenceId, $apiPassword, $timestamp);



// Set the request data
$data = array(
    'amount' => $orderAmount,
    'currency' => $orderCurrency,
    'merchantReferenceId' => $orderMerchantReferenceId,
    'timestamp' => $timestamp,
	'signature' => $signature
);

// Set the cURL options
$options = array(
    CURLOPT_URL => $url,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => json_encode($data),
    CURLOPT_HTTPHEADER => array(
        "Content-Type: application/json",
        "Authorization: Basic " . base64_encode("$merchantPublicKey:$apiPassword")
    ),
    CURLOPT_RETURNTRANSFER => true
);

// Initialize cURL
$ch = curl_init();

// Set cURL options
curl_setopt_array($ch, $options);

// Execute the cURL request
$response = curl_exec($ch);

// Check for errors
if (curl_errno($ch)) {
    $error_msg = curl_error($ch);
    curl_close($ch);
    die("cURL Error: $error_msg");
}

// Close the cURL session
curl_close($ch);

// Decode the JSON response
$response_data = json_decode($response, true);

// Check for errors in the response
if ($response_data["responseCode"] !== "000" || $response_data["detailedResponseCode"] !== "000") {
    die("Error: " . $response_data["detailedResponseMessage"]);
}

// Get the session ID from the response
$session_id = $response_data["session"]["id"];

// Output the session ID
echo $session_id;

function generateSignature($merchantPublicKey, $orderAmount, $orderCurrency, $orderMerchantReferenceId, $apiPassword, $timestamp)
{
    $amountStr = number_format($orderAmount, 2, '.', '');
    $data = "{$merchantPublicKey}{$amountStr}{$orderCurrency}{$orderMerchantReferenceId}{$timestamp}";
    $hash = hash_hmac('sha256', $data, $apiPassword, true);
    return base64_encode($hash);
}

?>