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);
 
}

    {
        "amount": "0.5",
        "currency": "SAR",
        "timestamp": "{{timestamp}}",
        "merchantReferenceId": "21036410062-3704648-12-2",
        "signature": "{{signature}}",
        "paymentOperation": "Pay",
        "language": "en",
        "callbackUrl": "https://webhook.site/c32729f0-39f0-4cf8-a8c2-e932a146b685",
        "returnUrl": "https://www.geidea.net",
        "customer": {
        "email": "[email protected]",
        "phoneNumber": "+966500617554",
        "phonecountrycode": "+966",
        "firstName": "khalil",
        "lastName": "Maasi",
        "address": {
            "billing": {
                "country": "SAU",
                "city": "test",
                "street": "test",
                "postalCode": "test"
            },
            "shipping": {
                "country": "SAU",
                "city": "test",
                "street": "test",
                "postalCode": "test"
            }
        }
    },
    "order": {
        "items": [
            {
                "merchantItemId": "SM",
                "name": "Smartwatch",
                "description": "tracking",
                "categories": "electronic",
                "count": 1,
                "price": 5270,
                "sku": "SM09"
            }
        ]
    }
}

{
    "session": {
        "id": "0b02b503-fbf8-49dd-cdec-08dcdb056790",
        "amount": 0.5,
        "currency": "SAR",
        "callbackUrl": "https://webhook.site/c32729f0-39f0-4cf8-a8c2-e932a146b685",
        "returnUrl": "https://www.geidea.net",
        "expiryDate": "2024-09-24T15:31:34.3256851Z",
        "status": "Initiated",
        "merchantId": "e80ece7e-fb2a-4c0b-de94-08d8a29a107b",
        "merchantPublicKey": "22dc6fc6-78ee-4767-9b7e-ed99ba23fa60",
        "language": "en",
        "merchantReferenceId": "21036410062-3704648-12-2",
        "paymentIntentId": null,
        "paymentOperation": "Pay",
        "cardOnFile": false,
        "cofAgreement": {
            "id": null,
            "type": null
        },
        "initiatedBy": null,
        "tokenId": null,
        "customer": {
            "id": null,
            "referenceId": null,
            "create": false,
            "setDefaultMethod": false,
            "email": "[email protected]",
            "phoneNumber": "+966500617554",
            "firstName": "khalil",
            "lastName": "Maasi",
            "address": {
                "billing": {
                    "country": "SAU",
                    "city": "test",
                    "street": "test",
                    "postalCode": "test"
                },
                "shipping": {
                    "country": "SAU",
                    "city": "test",
                    "street": "test",
                    "postalCode": "test"
                }
            }
        },
        "platform": {
            "name": null,
            "version": null,
            "pluginVersion": null,
            "partnerId": null
        },
        "paymentOptions": null,
        "recurrence": null,
        "order": {
            "integrationType": null,
            "description": null,
            "summary": {
                "subTotal": null,
                "shipping": null,
                "vat": null
            },
            "statementDescriptor": {
                "name": null,
                "phone": null
            },
            "items": [
                {
                    "merchantItemId": "SM",
                    "name": "Smartwatch",
                    "description": "tracking",
                    "categories": "electronic",
                    "count": 1,
                    "price": 5270,
                    "sku": "SM09"
                }
            ]
        },
        "items": [
            {
                "merchantItemId": "SM",
                "name": "Smartwatch",
                "description": "tracking",
                "categories": "electronic",
                "count": 1,
                "price": 5270,
                "sku": "SM09"
            }
        ],
        "appearance": null,
        "metadata": {
            "custom": null
        },
        "paymentMethod": {
            "cardNumber": null,
            "cardholderName": null,
            "cvv": null,
            "expiryDate": {
                "month": null,
                "year": null
            }
        },
        "subscription": null,
        "acceptTabbyPaymentMethod": true
    },
    "responseMessage": "Success",
    "detailedResponseMessage": "The operation was successful",
    "language": "EN",
    "responseCode": "000",
    "detailedResponseCode": "000",
    "signature": "QMPKpuXfPjSB0mPNR7M966sV7p6Bq2Hjn01Y9xP/ctA="
}

<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>
  	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<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);
}

?>