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Visual FoxPro

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).

Chilkat Visual FoxPro Downloads

Visual FoxPro
LOCAL loJson
LOCAL lcJsonBody
LOCAL loCrypt
LOCAL lcHmacHexStr
LOCAL loSbHmacHex

* 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.

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

* Emit the JSON in compact format..
loJson.EmitCompact = 1
* Get the JSON that will be HMAC'd and will also be the contents of the HTTP request body.
lcJsonBody = loJson.Emit()

loCrypt = CreateObject('Chilkat.Crypt2')
loCrypt.EncodingMode = "hex"
loCrypt.HashAlgorithm = "sha256"
loCrypt.MacAlgorithm = "hmac"

loCrypt.SetMacKeyString("55fe0f4d4023bbdfbc124cabd88bf9bb")

lcHmacHexStr = loCrypt.MacStringENC(lcJsonBody)
IF (loCrypt.LastMethodSuccess <> 1) THEN
    ? loCrypt.LastErrorText
    RELEASE loJson
    RELEASE loCrypt
    CANCEL
ENDIF

* We need a lowercase hmacHexStr...
loSbHmacHex = CreateObject('Chilkat.StringBuilder')
loSbHmacHex.Append(lcHmacHexStr)
loSbHmacHex.ToLowercase()

lcHmacHexStr = loSbHmacHex.GetAsString()

? "The value of the X_RISKIFIED_HMAC_SHA256 should be: " + lcHmacHexStr

* 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
*     }
*  }
* }

RELEASE loJson
RELEASE loCrypt
RELEASE loSbHmacHex