(PHP ActiveX) ABN AMRO OAuth2 Client Credentials Authentication

Demonstrates how to obtain an access token for an ABN AMRO online API using OAuth2 with the Client Credentials flow.

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://developer.abnamro.com/api/payment-initiation-v1/payment-initiation-tutorial

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

$success = 0;

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

// This example sends the following CURL request:

// 	curl -X POST -k https://auth-sandbox.connect.abnamro.com:8443/as/token.oauth2 \
// 	-v \
// 	--cert TPPCertificate.crt \
// 	--key TPPprivateKey.key \
// 	-H 'Cache-Control: no-cache' \
// 	-H 'Content-Type: application/x-www-form-urlencoded' \
// 	-d 'grant_type=client_credentials&client_id=TPP_test&scope=psd2:payment:sepa:write psd2:payment:sepa:read'

$cert = new COM("Chilkat.Cert");
$success = $cert->LoadFromFile('qa_data/certs/TPPCertificate.cer');
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

$bdKey = new COM("Chilkat.BinData");
$success = $bdKey->LoadFile('qa_data/certs/TPPprivateKey.key');

$privKey = new COM("Chilkat.PrivateKey");
$success = $privKey->LoadAnyFormat($bdKey,'passwordIfNeeded');
if ($success == 0) {
    print $privKey->LastErrorText . "\n";
    exit;
}

$success = $cert->SetPrivateKey($privKey);
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

$http = new COM("Chilkat.Http");

$success = $http->SetSslClientCert($cert);
if ($success == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

$req = new COM("Chilkat.HttpRequest");
$req->AddParam('grant_type','client_credentials');
$req->AddParam('client_id','TPP_test');
$req->AddParam('scope','psd2:payment:sepa:write psd2:payment:sepa:read');

$req->HttpVerb = 'POST';
$req->ContentType = 'application/x-www-form-urlencoded';

$resp = new COM("Chilkat.HttpResponse");
$success = $http->HttpReq('https://auth-sandbox.connect.abnamro.com:8443/as/token.oauth2',$req,$resp);
if ($success == 0) {
    print $http->LastErrorText . "\n";
    exit;
}

if ($resp->StatusCode != 200) {
    print $resp->BodyStr . "\n";
    exit;
}

// Get the JSON result:
// {"access_token":"TIhycwl8rfrZPkXGw15mwldASAAK","token_type":"Bearer","expires_in":7200}
$json = new COM("Chilkat.JsonObject");
$json->Load($resp->BodyStr);
print 'access_token: ' . $json->stringOf('access_token') . "\n";
print 'token_type: ' . $json->stringOf('token_type') . "\n";
print 'expires_in: ' . $json->stringOf('expires_in') . "\n";

?>