Java Requires Chilkat v11.0.0+
Chilkat2 Java
Rabobank GET /v3/accounts
See more Rabobank Examples
Demonstrates a call to a Rabobank API. Specifically this makes a call to the "Accounts AIS sb" API to deliver all the consented payments accounts for a specific Rabobank customer.(This includes source code to for signing requests for PSD2 APIs)
Chilkat Java Downloads
import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.Cert;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Crypt2;
import com.chilkatsoft.chilkat2.DateTime;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.PrivateKey;
import com.chilkatsoft.chilkat2.Rsa;
import com.chilkatsoft.chilkat2.StringBuilder;
public class ChilkatExample {
public static void main(String[] args) {
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Http http = new Http();
// Implements the following CURL command:
// curl --request GET \
// --url https://api-sandbox.rabobank.nl/openapi/sandbox/payments/account-information/ais/v3/accounts \
// --header 'accept: application/json' \
// --header 'authorization: Bearer REPLACE_BEARER_TOKEN' \
// --header 'date: REPLACE_THIS_VALUE' \
// --header 'digest: REPLACE_THIS_VALUE' \
// --header 'psu-ip-address: OPTIONAL' \
// --header 'signature: REPLACE_THIS_VALUE' \
// --header 'tpp-signature-certificate: MIIDkDCCAnigA ... cwE6gUl0rMA==' \
// --header 'x-ibm-client-id: Client ID' \
// --header 'x-request-id: REPLACE_THIS_VALUE'
// Load the previously fetched OAuth2 access token.
JsonObject jsonToken = new JsonObject();
try {
jsonToken.loadFile("qa_data/tokens/rabobank.json");
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
// This adds the "authorization: Bearer REPLACE_BEARER_TOKEN" header.
http.setAuthToken(jsonToken.stringOf("access_token"));
// This is the TTP Signature certificate: The certificate used for signing the request.
StringBuilder sbTppCert = new StringBuilder();
sbTppCert.append("MIIDkDCCAnigAwIBAgIEWs3AJDANBgkqhkiG9w0BAQsFADCBiTELMAkGA1UEBhMC");
sbTppCert.append("TkwxEDAOBgNVBAgMB1V0cmVjaHQxEDAOBgNVBAcMB1V0cmVjaHQxETAPBgNVBAoM");
sbTppCert.append("CFJhYm9iYW5rMRwwGgYDVQQLDBNPbmxpbmUgVHJhbnNhY3Rpb25zMSUwIwYDVQQD");
sbTppCert.append("DBxQU0QyIEFQSSBQSSBTZXJ2aWNlcyBTYW5kYm94MB4XDTE4MDQxMTA3NTgyOFoX");
sbTppCert.append("DTIzMDQxMTA3NTgyOFowgYkxCzAJBgNVBAYTAk5MMRAwDgYDVQQIDAdVdHJlY2h0");
sbTppCert.append("MRAwDgYDVQQHDAdVdHJlY2h0MREwDwYDVQQKDAhSYWJvYmFuazEcMBoGA1UECwwT");
sbTppCert.append("T25saW5lIFRyYW5zYWN0aW9uczElMCMGA1UEAwwcUFNEMiBBUEkgUEkgU2Vydmlj");
sbTppCert.append("ZXMgU2FuZGJveDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANoAjqGW");
sbTppCert.append("UgCIm2F+0sBSEwLal+T3u+uldLikpxHCB8iL1GD7FrRjcA+MVsxhvHly7vRsHK+t");
sbTppCert.append("QyMSaeK782RHpY33qxPLc8LmoQLb2EuiQxXj9POYkYBQ74qkrZnvKVlR3WoyQWeD");
sbTppCert.append("OXnSY2wbNFfkP8ET4ElwyuIIEriwYhab0OIrnnrO8X82/SPZxHwEd3aQjQ6uhiw8");
sbTppCert.append("paDspJbS5WjEfuwY16KVVUYlhbtAwGjvc6aK0NBm+LH9fMLpAE6gfGZNy0gzMDor");
sbTppCert.append("VNbkQK1IoAGD8p9ZHdB0F3FwkILEjUiQW6nK+/fKDNJ0TBbpgZUpY8bR460qzxKd");
sbTppCert.append("eZ1yPDqX2Cjh6fkCAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAYL4iD6noMJAt63kD");
sbTppCert.append("ED4RB2mII/lssvHhcxuDpOm3Ims9urubFWEpvV5TgIBAxy9PBinOdjhO1kGJJnYi");
sbTppCert.append("7F1jv1qnZwTV1JhYbvxv3+vk0jaiu7Ew7G3ASlzruXyMhN6t6jk9MpaWGl5Uw1T+");
sbTppCert.append("gNRUcWQRR44g3ahQRIS/UHkaV+vcpOa8j186/1X0ULHfbcVQk4LMmJeXqNs8sBAU");
sbTppCert.append("dKU/c6ssvj8jfJ4SfrurcBhY5UBTOdQOXTPY85aU3iFloerx7Oi9EHewxInOrU5X");
sbTppCert.append("zqqTz2AQPXezexVeAQxP27lzqCmYC7CFiam6QBr06VebkmnPLfs76n8CDc1cwE6g");
sbTppCert.append("Ul0rMA==");
http.setRequestHeader("tpp-signature-certificate", sbTppCert.getAsString());
// ----------------------------------------------------------------
// We're not going to add the psu-ip-address header in this example.
// ----------------------------------------------------------------
// X-Request-ID header...
// Generate a UUID v4.
Crypt2 crypt = new Crypt2();
String xRequestId = crypt.generateUuid();
http.setRequestHeader("x-request-id", xRequestId);
// ----------------------------------------------------------------
// Date header...
DateTime dt = new DateTime();
dt.setFromCurrentSystemTime();
String dateHdrVal = dt.getAsRfc822(false);
// The desire date/time format is the "RFC822" format.
http.setRequestHeader("Date", dateHdrVal);
// ----------------------------------------------------------------
// Digest header...
crypt.setHashAlgorithm("SHA256");
crypt.setEncodingMode("base64");
// A GET request has no HTTP request body. Therefore the payload is the empty string.
String payload = "";
String payloadDigest = crypt.hashStringENC(payload);
StringBuilder sbDigestHdrVal = new StringBuilder();
sbDigestHdrVal.append("SHA-256=");
sbDigestHdrVal.append(payloadDigest);
http.setRequestHeader("digest", sbDigestHdrVal.getAsString());
// ----------------------------------------------------------------
// The HTTP request needs to be signed for PSD2 API's...
// Create the signing string (to use in signing the HTTP request).
// See https://developer.rabobank.nl/signing-requests-psd2-apis
//
// For "account information" HTTP requests, we must use the following headers in the signing string.
// date
// digest
// x-request-id
StringBuilder sbStringToSign = new StringBuilder();
sbStringToSign.append("date: ");
sbStringToSign.appendLine(dateHdrVal, false);
sbStringToSign.append("digest: ");
sbStringToSign.appendLine(sbDigestHdrVal.getAsString(), false);
sbStringToSign.append("x-request-id: ");
sbStringToSign.append(xRequestId);
// ----------------------------------------------------------------
// Sign with our private key...
StringBuilder sbPrivKey = new StringBuilder();
sbPrivKey.append("MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDaAI6hllIAiJth");
sbPrivKey.append("ftLAUhMC2pfk97vrpXS4pKcRwgfIi9Rg+xa0Y3APjFbMYbx5cu70bByvrUMjEmni");
sbPrivKey.append("u/NkR6WN96sTy3PC5qEC29hLokMV4/TzmJGAUO+KpK2Z7ylZUd1qMkFngzl50mNs");
sbPrivKey.append("GzRX5D/BE+BJcMriCBK4sGIWm9DiK556zvF/Nv0j2cR8BHd2kI0OroYsPKWg7KSW");
sbPrivKey.append("0uVoxH7sGNeilVVGJYW7QMBo73OmitDQZvix/XzC6QBOoHxmTctIMzA6K1TW5ECt");
sbPrivKey.append("SKABg/KfWR3QdBdxcJCCxI1IkFupyvv3ygzSdEwW6YGVKWPG0eOtKs8SnXmdcjw6");
sbPrivKey.append("l9go4en5AgMBAAECggEAB8nsTqalwGIhFw8mbXuhNUFlGuek/arYLD6pv28swwQH");
sbPrivKey.append("7v0ZlxFUcCHF+iBl0PsDwZTZQ4ePtgGS6ehoLkWHCzb1lEv5E1YVG5qKNE2UUwRl");
sbPrivKey.append("fIyPakO6AzyV/UF3uzq7C+/GuXGNTKZxKewg5yD/DCFvKoCOpxu9u36FyqP/hw0S");
sbPrivKey.append("ADVlmp35/zoPDPZzu1j4FiCo0pJ9LwJcHxeJHopNAKDw9k6I4z/grskdgupsGzK2");
sbPrivKey.append("BiGiQ/+wmmO68/6Xa6KWfpr1PQ6ODJHgzZsdGCVi6Ebaqlj6BbsYWxP6h3lrsGt+");
sbPrivKey.append("LmHBaN2jCD6cDp+lihqFgnm8hfdv0lmbPilp71EDfwKBgQD6U8PBzZtN8yXm5WuS");
sbPrivKey.append("NL+/8q5GjNmeTJBSo1gM6Y8vOT4QAE147LbVuVBDwyHPoSrNejePae6Q14PswjBy");
sbPrivKey.append("T7B8DZ0OeQyGa3trrFg/ib7Vv4ZMvJqX9+WzBrzZsxTg7oCKHzmCR4vIRItKHH3z");
sbPrivKey.append("Wnnhqlo8ic2AZ2O43cdJosbO1wKBgQDe8UODOLu0vnHohOKeUqF3w/ZOB2+83/js");
sbPrivKey.append("YyUbSkzsGvHIwTjObuMUFTQvdMZ6IkIyJdfnDZIbvlBSD8tzL5iKFTNCK2nL1i4G");
sbPrivKey.append("iFr0CYLaHAlhJ5GEbTrTMDoJeBPerZq83HPrSa/Wb0xO18QTWsoVQPFfPFbbcQyI");
sbPrivKey.append("9ryJ2iIDrwKBgQC6kuAefG46ZPVk6K2KZUJdgDUgZC52a75NuW0RAqszmUiGiJM1");
sbPrivKey.append("g8ip9tq6BqAWrprGV0c93shusBKlzf5p1LdHXqYmeVY6gbWVhPipMrNHgN5KJ3BZ");
sbPrivKey.append("v+w1yNnMsErpcxne2HL2hPjMJTpj3GSLkm2xIlTrNhIyl9ydlr7IRUhENQKBgQCv");
sbPrivKey.append("i6HxbXa/90WSJTCcIcxqla8X+dsOCf3jhJ3vQy4Wq5C+1wZ35fCAG8Ifq/+so9Uj");
sbPrivKey.append("z5CVqqXlmpF8TFuSs2OVNuRJsg14J4nOMwgLKIIUZAcurQ10DN5I9Kx+UEK1EFXL");
sbPrivKey.append("aHsORdNjMfgQDO2jn9WHrr9gkg6CdB2+qyoCEfS+mQKBgBW08lcy9V5RzRWb/v/j");
sbPrivKey.append("xsc7ovmgAhCJhDeV7dPbx4HbFeoQJlbA8g1thdcFlcatSGyNDbvNE1GPSd4NhkpR");
sbPrivKey.append("Y6Hfv53kdEzjVkEtU8lUdL7HNVJqX7bU7oZlfbYcwxWQ1Gg8C1oLIAyEt71slQtd");
sbPrivKey.append("RiNYBRZTQe2F0wxbXnuUqLAw");
PrivateKey privKey = new PrivateKey();
try {
privKey.loadPem(sbPrivKey.getAsString());
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
Rsa rsa = new Rsa();
try {
rsa.usePrivateKey(privKey);
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
rsa.setEncodingMode("base64");
String b64Signature = rsa.signStringENC(sbStringToSign.getAsString(), "SHA256");
// ----------------------------------------------------------------
// Add the "signature" header.
//
// The signature header will look like this:
// signature: keyId="1523433508",algorithm="rsa-sha512",headers="date digest x-request-id",signature="y5o7gKxmfA6AT6...blE1A9Q=="
//
// The keyId is the serial number of the certificate as defined in 'TPP-Signing-Certificate' header, the format should be Integer not hex.
Cert cert = new Cert();
try {
cert.setFromEncoded(sbTppCert.getAsString());
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
StringBuilder sbSigHdrVal = new StringBuilder();
sbSigHdrVal.append("keyId=\"");
sbSigHdrVal.append(cert.getSerialDecimal());
sbSigHdrVal.append("\",");
sbSigHdrVal.append("algorithm=\"rsa-sha256\",");
sbSigHdrVal.append("headers=\"date digest x-request-id\",");
sbSigHdrVal.append("signature=\"");
sbSigHdrVal.append(b64Signature);
sbSigHdrVal.append("\"");
http.setRequestHeader("signature", sbSigHdrVal.getAsString());
// ----------------------------------------------------------------
// Add remaining headers...
http.setRequestHeader("x-ibm-client-id", "YOUR_APP_CLIENT_ID");
http.setRequestHeader("accept", "application/json");
// ----------------------------------------------------------------
// Add our certificate and key for mutual TLS
// (provide a registered X509 client certificate during TLS handhake)
Cert tlsCert = new Cert();
try {
tlsCert.loadFromFile("qa_data/certs_and_keys/ING/example_client_tls.cer");
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
BinData bdPrivKey = new BinData();
try {
bdPrivKey.loadFile("qa_data/certs_and_keys/ING/example_client_tls.key");
} catch (ChilkatException e) {
System.out.println("Failed to load example_client_tls.key");
return;
}
// The OAuth 2.0 client_id for these certificates is e77d776b-90af-4684-bebc-521e5b2614dd.
// Please note down this client_id since you will need it in the next steps to call the API.
PrivateKey tlsPrivKey = new PrivateKey();
try {
tlsPrivKey.loadAnyFormat(bdPrivKey, "");
// Associate the private key with the certificate.
tlsCert.setPrivateKey(tlsPrivKey);
http.setSslClientCert(tlsCert);
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
return;
}
// ----------------------------------------------------------------
// Finally, send the request...
StringBuilder sbResponseBody = new StringBuilder();
try {
http.quickGetSb("https://api-sandbox.rabobank.nl/openapi/sandbox/payments/account-information/ais/v3/accounts", sbResponseBody);
} catch (ChilkatException e) {
System.out.println(e.getLastErrorText());
System.out.println(sbResponseBody.getAsString());
return;
}
JsonObject jResp = new JsonObject();
jResp.loadSb(sbResponseBody);
jResp.setEmitCompact(false);
System.out.println("Response Body:");
System.out.println(jResp.emit());
int respStatusCode = http.getLastStatus();
System.out.println("Response Status Code = " + respStatusCode);
if (respStatusCode >= 400) {
System.out.println("Response Header:");
System.out.println(http.getLastHeader());
System.out.println("Failed.");
return;
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "accounts": [
// {
// "_links": {
// "account": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY",
// "balances": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY/balances",
// "transactions": "/v3/accounts/dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY/transactions"
// },
// "currency": "EUR",
// "iban": "NL05RABO0812836782",
// "name": "Rosie Roy",
// "resourceId": "dW9od2VIVUhGVypIZHVpaGRhdWR3OGRoY",
// "status": "enabled"
// }
// ]
// }
// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
String v_linksAccount = "";
String v_linksBalances = "";
String v_linksTransactions = "";
String currency = "";
String iban = "";
String name = "";
String resourceId = "";
String status = "";
int i = 0;
int count_i = jResp.sizeOfArray("accounts");
while (i < count_i) {
jResp.setI(i);
v_linksAccount = jResp.stringOf("accounts[i]._links.account");
v_linksBalances = jResp.stringOf("accounts[i]._links.balances");
v_linksTransactions = jResp.stringOf("accounts[i]._links.transactions");
currency = jResp.stringOf("accounts[i].currency");
iban = jResp.stringOf("accounts[i].iban");
name = jResp.stringOf("accounts[i].name");
resourceId = jResp.stringOf("accounts[i].resourceId");
status = jResp.stringOf("accounts[i].status");
i = i + 1;
}
}
}