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Dart

Calculate a X_RISKIFIED_HMAC_SHA256 for riskified.com API Calls

See more REST Misc Examples

Demonstrates how to calculate the value for the X_RISKIFIED_HMAC_SHA256 header for riskified.com HTTP requests (REST API calls).

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Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // Create the JSON that is to be the body of the HTTP request.
  // The JSON created by this code is shown at the bottom of this example.
  // 
  // The JSON Code Generator at http://tools.chilkat.io/ can be used
  // to generate the following code from sample JSON.

  final json = CkJsonObject();
  json.updateNull('order.cancel_reason');
  json.updateNull('order.cancelled_at');
  json.updateString('order.cart_token', '68778783ad298f1c80c3bafcddeea02f');
  json.updateNull('order.closed_at');
  json.updateString('order.created_at', '2008-01-10T11:00:00-05:00');
  json.updateString('order.currency', 'USD');
  json.updateString('order.email', 'bob.norman@hostmail.com');
  json.updateString('order.gateway', 'authorize_net');
  json.updateNumber('order.id', '450789469');
  json.updateString('order.total_discounts', '0.00');
  json.updateString('order.total_price', '409.94');
  json.updateString('order.updated_at', '2008-01-10T11:00:00-05:00');
  json.updateString('order.note', 'some note made by the shop’s stuff member');
  json.updateNull('order.browser_ip');
  json.updateString('order.discount_codes[0].amount', '10.00');
  json.updateString('order.discount_codes[0].code', 'TENOFF');
  json.updateString('order.line_items[0].title', 'IPod Nano - 8gb - green');
  json.updateNumber('order.line_items[0].price', '199.00');
  json.updateNumber('order.line_items[0].product_id', '632910392');
  json.updateNumber('order.line_items[0].quantity', '1');
  json.updateString('order.line_items[0].sku', 'IPOD2008GREEN');
  json.updateString('order.shipping_lines[0].code', 'Free Shipping');
  json.updateString('order.shipping_lines[0].price', '0.00');
  json.updateString('order.shipping_lines[0].title', 'Free Shipping');
  json.updateNull('order.payment_details.avs_result_code');
  json.updateNull('order.payment_details.credit_card_bin');
  json.updateString('order.payment_details.credit_card_company', 'Visa');
  json.updateString('order.payment_details.credit_card_number', 'XXXX-XXXX-XXXX-4242');
  json.updateNull('order.payment_details.cvv_result_code');
  json.updateString('order.payment_details.authorization_id', 'RK346IK124');
  json.updateString('order.billing_address.address1', 'Chestnut Street 92');
  json.updateString('order.billing_address.address2', '');
  json.updateString('order.billing_address.city', 'Louisville');
  json.updateNull('order.billing_address.company');
  json.updateString('order.billing_address.country', 'United States');
  json.updateString('order.billing_address.country_code', 'US');
  json.updateString('order.billing_address.first_name', 'Bob');
  json.updateString('order.billing_address.last_name', 'Norman');
  json.updateString('order.billing_address.name', 'Bob Norman');
  json.updateString('order.billing_address.phone', '555-625-1199');
  json.updateString('order.billing_address.province', 'Kentucky');
  json.updateString('order.billing_address.province_code', 'KY');
  json.updateString('order.billing_address.zip', '40202');
  json.updateString('order.shipping_address.address1', 'Chestnut Street 92');
  json.updateString('order.shipping_address.address2', '');
  json.updateString('order.shipping_address.city', 'Louisville');
  json.updateNull('order.shipping_address.company');
  json.updateString('order.shipping_address.country', 'United States');
  json.updateString('order.shipping_address.country_code', 'US');
  json.updateString('order.shipping_address.first_name', 'Bob');
  json.updateString('order.shipping_address.last_name', 'Norman');
  json.updateString('order.shipping_address.name', 'Bob Norman');
  json.updateString('order.shipping_address.phone', '555-625-1199');
  json.updateString('order.shipping_address.province', 'Kentucky');
  json.updateString('order.shipping_address.province_code', 'KY');
  json.updateString('order.shipping_address.zip', '40202');
  json.updateString('order.customer.created_at', '2013-04-23T13:36:50-04:00');
  json.updateString('order.customer.email', 'bob.norman@hostmail.com');
  json.updateString('order.customer.first_name', 'Bob');
  json.updateNumber('order.customer.id', '207119551');
  json.updateString('order.customer.last_name', 'Norman');
  json.updateNull('order.customer.note');
  json.updateNumber('order.customer.orders_count', '0');
  json.updateBool('order.customer.verified_email', true);

  // Emit the JSON in compact format..
  json.emitCompact = true;
  // Get the JSON that will be HMAC'd and will also be the contents of the HTTP request body.
  final jsonBody = json.emit();

  final crypt = CkCrypt2();
  crypt.encodingMode = 'hex';
  crypt.hashAlgorithm = 'sha256';
  crypt.macAlgorithm = 'hmac';

  crypt.setMacKeyString('55fe0f4d4023bbdfbc124cabd88bf9bb');

  String hmacHexStr;
  try {
    hmacHexStr = crypt.macStringENC(jsonBody);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // We need a lowercase hmacHexStr...
  final sbHmacHex = CkStringBuilder();
  sbHmacHex.append(hmacHexStr);
  sbHmacHex.toLowercase();

  hmacHexStr = sbHmacHex.getAsString();

  print('The value of the X_RISKIFIED_HMAC_SHA256 should be: $hmacHexStr');

  // This example is only to show the HMAC SHA256 calculation.
  // See examples of sending REST requests to riskified.com at http://rest-examples.chilkat.io/riskified/default.cshtml

  // ----------------------------------------------
  // This is the JSON created by the above code..

  // {
  //   "order": {
  //     "cancel_reason": null,
  //     "cancelled_at": null,
  //     "cart_token": "68778783ad298f1c80c3bafcddeea02f",
  //     "closed_at": null,
  //     "created_at": "2008-01-10T11:00:00-05:00",
  //     "currency": "USD",
  //     "email": "bob.norman@hostmail.com",
  //     "gateway": "authorize_net",
  //     "id": 450789469,
  //     "total_discounts": "0.00",
  //     "total_price": "409.94",
  //     "updated_at": "2008-01-10T11:00:00-05:00",
  //     "note": "some note made by the shop’s stuff member",
  //     "browser_ip": null,
  //     "discount_codes": [
  //         {
  //             "amount": "10.00",
  //             "code": "TENOFF"
  //         }
  //     ],
  //     "line_items": [
  //         {
  //             "title": "IPod Nano - 8gb - green",
  //             "price": 199.00,
  //             "product_id": 632910392,
  //             "quantity": 1,
  //             "sku": "IPOD2008GREEN"
  //         }
  //     ],
  //     "shipping_lines": [
  //         {
  //             "code": "Free Shipping",
  //             "price": "0.00",
  //             "title": "Free Shipping"
  //         }
  //     ],
  //     "payment_details": {
  //         "avs_result_code": null,
  //         "credit_card_bin": null,
  //         "credit_card_company": "Visa",
  //         "credit_card_number": "XXXX-XXXX-XXXX-4242",
  //         "cvv_result_code": null,
  //         "authorization_id": "RK346IK124"
  //     },
  //     "billing_address": {
  //         "address1": "Chestnut Street 92",
  //         "address2": "",
  //         "city": "Louisville",
  //         "company": null,
  //         "country": "United States",
  //         "country_code": "US",
  //         "first_name": "Bob",
  //         "last_name": "Norman",
  //         "name": "Bob Norman",
  //         "phone": "555-625-1199",
  //         "province": "Kentucky",
  //         "province_code": "KY",
  //         "zip": "40202"
  //     },
  //     "shipping_address": {
  //         "address1": "Chestnut Street 92",
  //         "address2": "",
  //         "city": "Louisville",
  //         "company": null,
  //         "country": "United States",
  //         "country_code": "US",
  //         "first_name": "Bob",
  //         "last_name": "Norman",
  //         "name": "Bob Norman",
  //         "phone": "555-625-1199",
  //         "province": "Kentucky",
  //         "province_code": "KY",
  //         "zip": "40202"
  //     },
  //     "customer": {
  //         "created_at": "2013-04-23T13:36:50-04:00",
  //         "email": "bob.norman@hostmail.com",
  //         "first_name": "Bob",
  //         "id": 207119551,
  //         "last_name": "Norman",
  //         "note": null,
  //         "orders_count": 0,
  //         "verified_email": true
  //     }
  //  }
  // }
}