PHP ActiveX Requires Chilkat v11.0.0+

ABN AMRO Create Signed JSON Web Token

See more ABN AMRO Examples

Demonstrates how to create a signed JWT to be used for authenticating requests to the ABN AMRO REST API's. PHP ActiveX

<?php

$success = 0;

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

//  Create public/private key pair (RSA)
$rsa = new COM("Chilkat.Rsa");

//  Generate a 2048-bit key.
$privkey = new COM("Chilkat.PrivateKey");
$success = $rsa->GenKey(2048,$privkey);
if ($success == 0) {
    print $rsa->LastErrorText . "\n";
    exit;
}

//  Export the key to PEM files.
//  Write one PEM file for the private key, and one for the public key.
$success = $privkey->SavePemFile('qa_data/pem/abnAmroPrivateKey.pem');

$pubkey = new COM("Chilkat.PublicKey");
$privkey->ToPublicKey($pubkey);
$success = $pubkey->SavePemFile(1,'qa_data/pem/abnAmroPublicKey.pem');
//  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.

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

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

$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 = 1;

$jwtStr = $jwt->createJwtPk($jsonHeader->emit(),$jsonPayload->emit(),$privkey);
if ($jwt->LastMethodSuccess == 0) {
    print $jwt->LastErrorText . "\n";
    exit;
}

//  Here is the JWT:
print $jwtStr . "\n";

?>