Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3,4,5...TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

C# Web API Examples

Primary Categories

ABN AMRO
AWS Secrets Manager
AWS Translate
Activix CRM
Adyen
Alibaba Cloud OSS
Amazon Cognito
Amazon DynamoDB
Amazon MWS
Amazon Pay
Amazon Rekognition
Amazon Voice ID
Aruba Fatturazione
Azure Maps
Azure Monitor
Azure OAuth2
Azure Storage Accounts
Backblaze S3
Bitfinex v2 REST
Bluzone
CallRail
CardConnect
Cerved
ClickBank
Clickatell
Cloudfare
Constant Contact
DocuSign
Duo Auth MFA
ETrade
Ecwid
Egypt ITIDA
Etsy
Facebook
Faire
Frame.io
GeoOp
GetHarvest
Global Payments
Google People
Google Search Console
Hungary NAV Invoicing
IBM Text to Speech
Ibanity
IntakeQ
Jira
Lightspeed
MYOB
Magento
Mailgun
MedTunnel

MercadoLibre
Microsoft Calendar
Microsoft Group
Microsoft Tasks and Plans
Microsoft Teams
Moody's
Okta OAuth/OIDC
OneLogin OIDC
OneNote
PRODA
PayPal
Paynow.pl
Peoplevox
Populi
QuickBooks
Rabobank
Refinitiv
Royal Mail OBA
SCiS Schools Catalogue
SII Chile
SMSAPI
SOAP finkok.com
SendGrid
Shippo
Shopify
Shopware
Shopware 6
SimpleTexting
Square
Stripe
SugarCRM
TicketBAI
Trello
Twilio
Twitter
UniPin
VoiceBase
Vonage
Walmart
Walmart v3
Wasabi
WhatsApp
WiX
WooCommerce
WordPress
Xero
Yahoo Mail
Yousign
Zoom
_Miscellaneous_
eBay
effectconnect
hacienda.go.cr

 

 

 

(C#) Get Access Token using a Pre-Created JSON Web Token

Demonstrates how to get an access token using a pre-created JSON Web Token (JWT).

For more information, see https://developer.abnamro.com/get-started#headingFive

Chilkat .NET Downloads

Chilkat .NET Assemblies

Chilkat for .NET Core

Chilkat for Mono

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

// We're going to duplicate this CURL statement:
// curl -X POST https://api-sandbox.abnamro.com/v1/oauth/token \
// -H "Content-Type: application/x-www-form-urlencoded" \
// -H "API-Key: xxxxxx" \
// -d 'client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer&grant_type=client_credentials&client_assertion=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ4eHh4eHgiLCJleHAiOiIxNDk5OTQ3NjY4IiwiaXNzIjoibWUiLCJhdWQiOiJodHRwczovL2F1dGgtc2FuZGJveC5hYm5hbXJvLmNvbS9vYXV0aC90b2tlbiJ9.jGwHKG_YjgKpR8NPpaLu6nJ97obeP2vcxg6fOWBKdJ0&scope=tikkie'

// Load our pre-creaed private key PEM file.
// Note: Please share your public key along with your app name and developer email id at api.support@nl.abnamro.com. 
// Token generation will not work unless public key is associated with your app.
Chilkat.PrivateKey privkey = new Chilkat.PrivateKey();

bool success = privkey.LoadPemFile("qa_data/pem/abnAmroPrivateKey.pem");
if (success == false) {
    Debug.WriteLine(privkey.LastErrorText);
    return;
}

// Create the JWT.
Chilkat.Jwt jwt = new Chilkat.Jwt();

// Create the header:
// {
//     "typ": "JWT",
//     "alg": "RS256"
// }
Chilkat.JsonObject jsonHeader = new Chilkat.JsonObject();
jsonHeader.UpdateString("typ","JWT");
jsonHeader.UpdateString("alg","RS256");

// Create the payload:
// {
//     "nbf": 1499947668,
//     "exp": 1499948668,
//     "iss": "me",
//     "sub": "anApiKey",
//     "aud": "https://auth-sandbox.abnamro.com/oauth/token"
// }
Chilkat.JsonObject jsonPayload = new Chilkat.JsonObject();

int curDateTime = jwt.GenNumericDate(0);

// Set the "not process before" timestamp to now.
success = jsonPayload.AddIntAt(-1,"nbf",curDateTime);

// Set the timestamp defining an expiration time (end time) for the token
// to be now + 1 hour (3600 seconds)
success = jsonPayload.AddIntAt(-1,"exp",curDateTime + 3600);

jsonPayload.UpdateString("iss","me");
jsonPayload.UpdateString("sub","anApiKey");
jsonPayload.UpdateString("aud","https://auth-sandbox.abnamro.com/oauth/token");

// Produce the smallest possible JWT:
jwt.AutoCompact = true;

string jwtStr = jwt.CreateJwtPk(jsonHeader.Emit(),jsonPayload.Emit(),privkey);
if (jwt.LastMethodSuccess != true) {
    Debug.WriteLine(jwt.LastErrorText);
    return;
}

Chilkat.Http http = new Chilkat.Http();

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.AddParam("client_assertion_type","urn:ietf:params:oauth:client-assertion-type:jwt-bearer");
req.AddParam("grant_type","client_credentials");
req.AddParam("client_assertion",jwtStr);
req.AddParam("scope","tikkie");

Chilkat.HttpResponse resp = http.PostUrlEncoded("https://api-sandbox.abnamro.com/v1/oauth/token",req);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

if (resp.StatusCode != 200) {
    Debug.WriteLine(resp.BodyStr);

    return;
}

// Get the JSON result:
// {
//     "access_token": "{your access token}",
//     "expires_in": "{duration of validity in seconds}",
//     "scope": "{scope(s) for which the access token is valid}",
//     "token_type": "{it is always Bearer}"
// }
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.Load(resp.BodyStr);
Debug.WriteLine("access_token: " + json.StringOf("access_token"));
Debug.WriteLine("token_type: " + json.StringOf("token_type"));
Debug.WriteLine("expires_in: " + json.StringOf("expires_in"));
Debug.WriteLine("scope: " + json.StringOf("scope"));


 

© 2000-2022 Chilkat Software, Inc. All Rights Reserved.